AS3300 — British Telecom GIIB British Telecom GIIB
AS Name: BT
Organization: ORG-CNS3-RIPE
Registry: RIPE
Imports from (249)
AS1299AS1299:AS-TWELVE99AS2914AS2914:AS-GLOBALAS3491AS-CAISAS4637AS4657AS-STARHUBINTERNETAS6461AS-MFNXAS6762AS-SEABONEAS11271AS30844AS-LIQUIDAS42AS-PCHAS714AS-APPLEAS1239AS1239:AS-CUSTOMERSAS1403AS1403:AS-CUSTOMERSAS1828AS-UNITASAS1916AS2497AS-IIJAS2518AS2527AS-SO-NETAS2635AS-AUTOMATTICAS2687AS2906AS-NFLXAS2907AS3303AS-SWCMGLOBALAS3741AS-ISAS3856AS4230AS4635AS4648AS-NETGATEAS4651AS4766AS-KORNET
... and 199 more
... and 199 more
Exports to (151)
AS1299AS-BT-GLOBALAS2914AS3491AS4637AS4657AS6461AS6762AS11271AS30844AS42AS714AS1239AS1403AS1828AS1916AS2497AS2518AS2527AS2635AS2687AS2906AS2907AS3303AS3741AS3856AS4230AS4635AS4648AS4651AS4766AS4780AS4788AS4826AS5645AS5769AS6507AS6774AS6830AS6939AS7029AS7713AS7843AS8075AS8220AS8674AS8966AS9009AS9269AS9299
... and 101 more
... and 101 more
aut-num: AS3300
as-name: BT
org: ORG-CNS3-RIPE
remarks: ---------------------------------------------
remarks: Upstreams:
remarks: ---------------------------------------------
import: from AS1299 action pref=20; accept AS1299:AS-TWELVE99
import: from AS1299 action pref=100; accept ANY
export: to AS1299 announce AS-BT-GLOBAL
import: from AS2914 action pref=20; accept AS2914:AS-GLOBAL
import: from AS2914 action pref=100; accept ANY
export: to AS2914 announce AS-BT-GLOBAL
import: from AS3491 action pref=20; accept AS-CAIS
import: from AS3491 action pref=100; accept ANY
export: to AS3491 announce AS-BT-GLOBAL
import: from AS4637 action pref=20; accept AS4637
import: from AS4637 action pref=100; accept ANY
export: to AS4637 announce AS-BT-GLOBAL
import: from AS4657 action pref=20; accept AS-STARHUBINTERNET
import: from AS4657 action pref=100; accept ANY
export: to AS4657 announce AS-BT-GLOBAL
import: from AS6461 action pref=20; accept AS-MFNX
import: from AS6461 action pref=100; accept ANY
export: to AS6461 announce AS-BT-GLOBAL
import: from AS6762 action pref=20; accept AS-SEABONE
import: from AS6762 action pref=100; accept ANY
export: to AS6762 announce AS-BT-GLOBAL
import: from AS11271 action pref=20; accept AS11271
import: from AS11271 action pref=100; accept ANY
export: to AS11271 announce AS-BT-GLOBAL
import: from AS30844 action pref=20; accept AS-LIQUID
import: from AS30844 action pref=100; accept ANY
export: to AS30844 announce AS-BT-GLOBAL
remarks: ---------------------------------------------
remarks: Peers:
remarks: ---------------------------------------------
import: from AS42 action pref=20; accept AS-PCH
export: to AS42 announce AS-BT-GLOBAL
import: from AS714 action pref=20; accept AS-APPLE
export: to AS714 announce AS-BT-GLOBAL
import: from AS1239 action pref=20; accept AS1239:AS-CUSTOMERS
export: to AS1239 announce AS-BT-GLOBAL
import: from AS1403 action pref=20; accept AS1403:AS-CUSTOMERS
export: to AS1403 announce AS-BT-GLOBAL
import: from AS1828 action pref=20; accept AS-UNITAS
export: to AS1828 announce AS-BT-GLOBAL
import: from AS1916 action pref=20; accept AS1916
export: to AS1916 announce AS-BT-GLOBAL
import: from AS2497 action pref=20; accept AS-IIJ
export: to AS2497 announce AS-BT-GLOBAL
import: from AS2518 action pref=20; accept AS2518
export: to AS2518 announce AS-BT-GLOBAL
import: from AS2527 action pref=20; accept AS-SO-NET
export: to AS2527 announce AS-BT-GLOBAL
import: from AS2635 action pref=20; accept AS-AUTOMATTIC
export: to AS2635 announce AS-BT-GLOBAL
import: from AS2687 action pref=20; accept AS2687
export: to AS2687 announce AS-BT-GLOBAL
import: from AS2906 action pref=20; accept as-nflx
export: to AS2906 announce AS-BT-GLOBAL
import: from AS2907 action pref=20; accept AS2907
export: to AS2907 announce AS-BT-GLOBAL
import: from AS3303 action pref=20; accept AS-SWCMGLOBAL
export: to AS3303 announce AS-BT-GLOBAL
import: from AS3491 action pref=20; accept as-cais
export: to AS3491 announce AS-BT-GLOBAL
import: from AS3741 action pref=20; accept AS-IS
export: to AS3741 announce AS-BT-GLOBAL
import: from AS3856 action pref=20; accept AS-PCH
export: to AS3856 announce AS-BT-GLOBAL
import: from AS4230 action pref=20; accept AS4230
export: to AS4230 announce AS-BT-GLOBAL
import: from AS4635 action pref=20; accept AS4635
export: to AS4635 announce AS-BT-GLOBAL
import: from AS4648 action pref=20; accept AS-NETGATE
export: to AS4648 announce AS-BT-GLOBAL
import: from AS4651 action pref=20; accept AS4651
export: to AS4651 announce AS-BT-GLOBAL
import: from AS4766 action pref=20; accept AS-KORNET
export: to AS4766 announce AS-BT-GLOBAL
import: from AS4780 action pref=20; accept AS-SEEDNET
export: to AS4780 announce AS-BT-GLOBAL
import: from AS4788 action pref=20; accept AS-4788
export: to AS4788 announce AS-BT-GLOBAL
import: from AS4826 action pref=20; accept AS4826
export: to AS4826 announce AS-BT-GLOBAL
import: from AS5645 action pref=20; accept AS-TEKSAVVY
export: to AS5645 announce AS-BT-GLOBAL
import: from AS5769 action pref=20; accept AS-VTL
export: to AS5769 announce AS-BT-GLOBAL
import: from AS6507 action pref=20; accept AS-RIOT
export: to AS6507 announce AS-BT-GLOBAL
import: from AS6774 action pref=20; accept AS-BELBONE
export: to AS6774 announce AS-BT-GLOBAL
import: from AS6830 action pref=20; accept AS-AORTA
export: to AS6830 announce AS-BT-GLOBAL
import: from AS6939 action pref=20; accept AS-HURRICANE
export: to AS6939 announce AS-BT-GLOBAL
import: from AS7029 action pref=20; accept AS-WINDSTREAM
export: to AS7029 announce AS-BT-GLOBAL
import: from AS7713 action pref=20; accept AS7713:AS-TELKOM-TRANSIT
export: to AS7713 announce AS-BT-GLOBAL
import: from AS7843 action pref=20; accept AS-ROADRUNNER
export: to AS7843 announce AS-BT-GLOBAL
import: from AS8075 action pref=20; accept AS-MICROSOFT
export: to AS8075 announce AS-BT-GLOBAL
import: from AS8220 action pref=20; accept AS-COLT
export: to AS8220 announce AS-BT-GLOBAL
import: from AS8674 action pref=20; accept AS-NETNOD
export: to AS8674 announce AS-BT-GLOBAL
import: from AS8966 action pref=20; accept AS-EMIX
export: to AS8966 announce AS-BT-GLOBAL
import: from AS9009 action pref=20; accept AS-GBXS
export: to AS9009 announce AS-BT-GLOBAL
import: from AS9269 action pref=20; accept AS9269
export: to AS9269 announce AS-BT-GLOBAL
import: from AS9299 action pref=20; accept AS-PLDT
export: to AS9299 announce AS-BT-GLOBAL
import: from AS9304 action pref=20; accept AS9304
export: to AS9304 announce AS-BT-GLOBAL
import: from AS9318 action pref=20; accept AS-SKBROADBAND
export: to AS9318 announce AS-BT-GLOBAL
import: from AS9500 action pref=20; accept AS-VODAFONENZ
export: to AS9500 announce AS-BT-GLOBAL
import: from AS9505 action pref=20; accept AS9505
export: to AS9505 announce AS-BT-GLOBAL
import: from AS9498 action pref=20; accept AS9498:AS-BHARTI-IN
export: to AS9498 announce AS-BT-GLOBAL
import: from AS9595 action pref=20; accept AS-XEPHION
export: to AS9595 announce AS-BT-GLOBAL
import: from AS9534 action pref=20; accept AS9534:AS-Customers
export: to AS9534 announce AS-BT-GLOBAL
import: from AS9930 action pref=20; accept AS-SET-9930
export: to AS9930 announce AS-BT-GLOBAL
import: from AS9790 action pref=20; accept AS9790
export: to AS9790 announce AS-BT-GLOBAL
import: from AS9902 action pref=20; accept AS9902
export: to AS9902 announce AS-BT-GLOBAL
import: from AS10310 action pref=20; accept AS-YAHOO
export: to AS10310 announce AS-BT-GLOBAL
import: from AS11845 action pref=20; accept AS11845
export: to AS11845 announce AS-BT-GLOBAL
import: from AS13150 action pref=20; accept AS-CATONETWORKS-ASNS
export: to AS13150 announce AS-BT-GLOBAL
import: from AS13335 action pref=20; accept AS-CLOUDFLARE
export: to AS13335 announce AS-BT-GLOBAL
import: from AS13414 action pref=20; accept AS-TWITTER
export: to AS13414 announce AS-BT-GLOBAL
import: from AS13445 action pref=20; accept AS-WEBEX
export: to AS13445 announce AS-BT-GLOBAL
import: from AS13489 action pref=20; accept AS-UNE
export: to AS13489 announce AS-BT-GLOBAL
import: from AS14061 action pref=20; accept AS14061
export: to AS14061 announce AS-BT-GLOBAL
import: from AS14340 action pref=20; accept AS14340
export: to AS14340 announce AS-BT-GLOBAL
import: from AS14840 action pref=20; accept AS14840:AS-CUSTOMERS
export: to AS14840 announce AS-BT-GLOBAL
import: from AS14907 action pref=20; accept AS-WIKIMEDIA
export: to AS14907 announce AS-BT-GLOBAL
import: from AS15169 action pref=20; accept AS-GOOGLE
export: to AS15169 announce AS-BT-GLOBAL
import: from AS15695 action pref=20; accept AS-EXPEREO
export: to AS15695 announce AS-BT-GLOBAL
import: from AS16276 action pref=20; accept AS-OVH
export: to AS16276 announce AS-BT-GLOBAL
import: from AS16509 action pref=20; accept AS-AMAZON
export: to AS16509 announce AS-BT-GLOBAL
import: from AS16735 action pref=20; accept AS-CTBC
export: to AS16735 announce AS-BT-GLOBAL
import: from AS17451 action pref=20; accept AS17451
export: to AS17451 announce AS-BT-GLOBAL
import: from AS17511 action pref=20; accept AS-EO
export: to AS17511 announce AS-BT-GLOBAL
import: from AS17732 action pref=20; accept AS-BULLETPROOF
export: to AS17732 announce AS-BT-GLOBAL
import: from AS18106 action pref=20; accept AS18106:AS-TRANSIT
export: to AS18106 announce AS-BT-GLOBAL
import: from AS18126 action pref=20; accept AS-CTCX
export: to AS18126 announce AS-BT-GLOBAL
import: from AS18200 action pref=20; accept AS18200
export: to AS18200 announce AS-BT-GLOBAL
import: from AS19151 action pref=20; accept AS-BBOI
export: to AS19151 announce AS-BT-GLOBAL
import: from AS19679 action pref=20; accept AS-DROPBOX
export: to AS19679 announce AS-BT-GLOBAL
import: from AS19711 action pref=20; accept AS19711
export: to AS19711 announce AS-BT-GLOBAL
import: from AS20115 action pref=20; accept AS-20115
export: to AS20115 announce AS-BT-GLOBAL
import: from AS20473 action pref=20; accept AS-CHOOPA
export: to AS20473 announce AS-BT-GLOBAL
import: from AS20940 action pref=20; accept AS-AKAMAI
export: to AS20940 announce AS-BT-GLOBAL
import: from AS21859 action pref=20; accept AS21859
export: to AS21859 announce AS-BT-GLOBAL
import: from AS22616 action pref=20; accept AS22616
export: to AS22616 announce AS-BT-GLOBAL
import: from AS22652 action pref=20; accept AS22652:AS-CUSTOMERS
export: to AS22652 announce AS-BT-GLOBAL
import: from AS23764 action pref=20; accept AS23764
export: to AS23764 announce AS-BT-GLOBAL
import: from AS23815 action pref=20; accept AS23815
export: to AS23815 announce AS-BT-GLOBAL
import: from AS26744 action pref=20; accept AS-PRTC-TRANSIT
export: to AS26744 announce AS-BT-GLOBAL
import: from AS30081 action pref=20; accept AS-CACHENETWORKS
export: to AS30081 announce AS-BT-GLOBAL
import: from AS32098 action pref=20; accept AS32098
export: to AS32098 announce AS-BT-GLOBAL
import: from AS32590 action pref=20; accept AS-VALVE
export: to AS32590 announce AS-BT-GLOBAL
import: from AS32787 action pref=20; accept AS-PROLE
export: to AS32878 announce AS-BT-GLOBAL
import: from AS32934 action pref=20; accept AS-FACEBOOK
export: to AS32934 announce AS-BT-GLOBAL
import: from AS33353 action pref=20; accept AS-GAIKAI
export: to AS33353 announce AS-BT-GLOBAL
import: from AS33724 action pref=20; accept AS33724
export: to AS33724 announce AS-BT-GLOBAL
import: from AS33891 action pref=20; accept AS-CORE-BACKBONE
export: to AS33891 announce AS-BT-GLOBAL
import: from AS34309 action pref=20; accept AS-LINK11
export: to AS34309 announce AS-BT-GLOBAL
import: from AS35280 action pref=20; accept AS-F5
export: to AS35280 announce AS-BT-GLOBAL
import: from AS36236 action pref=20; accept AS-NETACTUATE
export: to AS36236 announce AS-BT-GLOBAL
import: from AS36351 action pref=20; accept AS-SOFTLAYER
export: to AS36351 announce AS-BT-GLOBAL
import: from AS36868 action pref=20; accept AS36868
export: to AS36868 announce AS-BT-GLOBAL
import: from AS37100 action pref=20; accept AS-SET-SEACOM
export: to AS37100 announce AS-BT-GLOBAL
import: from AS37186 action pref=20; accept AS37186
export: to AS37186 announce AS-BT-GLOBAL
import: from AS37468 action pref=20; accept AS-ANGOLACABLES
export: to AS37468 announce AS-BT-GLOBAL
import: from AS37650 action pref=20; accept AS37650
export: to AS37650 announce AS-BT-GLOBAL
import: from AS37697 action pref=20; accept AS37697
export: to AS37697 announce AS-BT-GLOBAL
import: from AS38182 action pref=20; accept AS38182
export: to AS38182 announce AS-BT-GLOBAL
import: from AS38195 action pref=20; accept AS-SUPERLOOP
export: to AS38195 announce AS-BT-GLOBAL
import: from AS38496 action pref=20; accept AS38496
export: to AS38496 announce AS-BT-GLOBAL
import: from AS38622 action pref=20; accept AS-LLNW
export: to AS38622 announce AS-BT-GLOBAL
import: from AS38895 action pref=20; accept AS38895
export: to AS38895 announce AS-BT-GLOBAL
import: from AS43996 action pref=20; accept AS-BOOKING
export: to AS43996 announce AS-BT-GLOBAL
import: from AS45102 action pref=20; accept AS-ALIBABA-CN-NET
export: to AS45102 announce AS-BT-GLOBAL
import: from AS45352 action pref=20; accept AS45352
export: to AS45352 announce AS-BT-GLOBAL
import: from AS45796 action pref=20; accept AS45796
export: to AS45796 announce AS-BT-GLOBAL
import: from AS45489 action pref=20; accept AS-SLT-GLOBAL
export: to AS45489 announce AS-BT-GLOBAL
import: from AS45899 action pref=20; accept AS-45899CUST
export: to AS45899 announce AS-BT-GLOBAL
import: from AS46489 action pref=20; accept AS-TWITCH
export: to AS46489 announce AS-BT-GLOBAL
import: from AS49544 action pref=20; accept AS-INTERACTIVE3D
export: to AS49544 announce AS-BT-EU
import: from AS52320 action pref=20; accept AS-GNT
export: to AS52320 announce AS-BT-GLOBAL
import: from AS53766 action pref=20; accept AS-VMWARE-SASE
export: to AS53766 announce AS-BT-GLOBAL
import: from AS53813 action pref=20; accept AS53813
export: to AS53813 announce AS-BT-GLOBAL
import: from AS54994 action pref=20; accept AS54994
export: to AS54994 announce AS-BT-GLOBAL
import: from AS55256 action pref=20; accept AS-NETSKOPE
export: to AS55256 announce AS-BT-GLOBAL
import: from AS55720 action pref=20; accept AS55720
export: to AS55720 announce AS-BT-GLOBAL
import: from AS57695 action pref=20; accept AS-MISAKA
export: to AS57695 announce AS-BT-GLOBAL
import: from AS58453 action pref=20; accept AS-CMI-ALL
export: to AS58453 announce AS-BT-GLOBAL
import: from AS58511 action pref=20; accept AS58511
export: to AS58511 announce AS-BT-GLOBAL
import: from AS58715 action pref=20; accept AS58715
export: to AS58715 announce AS-BT-GLOBAL
import: from AS58879 action pref=20; accept AS58879
export: to AS58879 announce AS-BT-GLOBAL
import: from AS62044 action pref=20; accept AS62044
export: to AS62044 announce AS-BT-GLOBAL
import: from AS63949 action pref=20; accept AS-LINODE
export: to AS63949 announce AS-BT-GLOBAL
import: from AS63956 action pref=20; accept AS-COLO-AU
export: to AS63956 announce AS-BT-GLOBAL
import: from AS64096 action pref=20; accept AS-BIH
export: to AS64096 announce AS-BT-GLOBAL
import: from AS151326 action pref=20; accept AS151326:AS-CUSTOMERS
export: to AS151326 announce AS-BT-GLOBAL
import: from AS132203 action pref=20; accept AS132203
export: to AS132203 announce AS-BT-GLOBAL
import: from AS132876 action pref=20; accept AS-132876
export: to AS132876 announce AS-BT-GLOBAL
import: from AS136168 action pref=20; accept AS136168:AS-CAMPANA-MM
export: to AS136168 announce AS-BT-GLOBAL
import: from AS199524 action pref=20; accept AS-GCORE
export: to AS199524 announce AS-BT-GLOBAL
import: from AS262206 action pref=20; accept AS262206
export: to AS262206 announce AS-BT-GLOBAL
import: from AS327824 action pref=20; accept AS327824
export: to AS327824 announce AS-BT-GLOBAL
import: from AS327962 action pref=20; accept AS327962
export: to AS327962 announce AS-BT-GLOBAL
import: from AS328320 action pref=20; accept AS328320
export: to AS328320 announce AS-BT-GLOBAL
import: from AS396986 action pref=20; accept AS-BYTEDANCE
export: to AS396986 announce AS-BT-GLOBAL
remarks:
remarks: ALL peering requests see
remarks: www.bt.net/cgi-bin/peering-request
remarks:
remarks: for technical issues, pls contact: peering@bt.com
remarks:
remarks: for abuse, pls contact abuse@eu.bt.net
remarks:
remarks: 24/7 NOC email / network@bt.com
remarks: 24/7 NOC phone / +44 203 7882214 opt 1
remarks:
remarks: This object describes non-customer peerings
remarks: Customer peerings are described in the macro AS-BT-XX
remarks:
remarks: ( replace XX with the country code
remarks: JP, AU, HK, SG, JP, ZA, US, CALA )
remarks:
remarks: The following BGP communities are available to customers
remarks: to AS prepend their prefixes towards the following networks
remarks:
remarks: Network One Prepend Two Prepends
remarks: ------------ ----------- ------------
remarks: Telstra 3300:4113 3300:4114
remarks: NTT 3300:4117 3300:4118
remarks: Telia 3300:4119 3300:4120
remarks: Starhub 3300:4123 3300:4124
remarks: TATA 3300:4125 3300:4126
remarks: Lumen 3300:4127 3300:4128
remarks: PCCW 3300:4131 3300:4132
remarks: Zayo 3300:4133 3300:4134
remarks: LiquidTelecom 3300:4135 3300:4136
remarks:
status: ASSIGNED
admin-c: DUMY-RIPE
tech-c: DUMY-RIPE
mnt-by: RIPE-NCC-END-MNT
mnt-by: CIP-MNT
created: 2002-09-19T07:20:43Z
last-modified: 2025-10-16T05:25:38Z
source: RIPE
remarks: ****************************
remarks: * THIS OBJECT IS MODIFIED
remarks: * Please note that all data that is generally regarded as personal
remarks: * data has been removed from this object.
remarks: * To view the original object, please query the RIPE Database at:
remarks: * http://www.ripe.net/whois
remarks: ****************************
Direct Membership
Macros that directly list AS3300 as a member:
AS-BT-ZA(2 members)
AS-BT-CALA(2 members)
AS-BT-AP(5 members)
AS-BT-JP(5 members)
AS-BT-AU(6 members)
AS-BT-HK(11 members)
AS-BT-SG(17 members)
AS-BT-US(19 members)
AS-CTBC-CUSTOMERS165(25 members)
AS3491:AS-CUSTOMERS-AF(33 members)
AS-VSNL(133 members)
AS-8151(198 members)
AS-TMNET-PEERS(271 members)
AS1221:AS-TI-4637-AU-NZ(274 members)
AS-SH-CUST(302 members)
AS-HKIX(348 members)
AS-MEGATELECOM-CUSTOMERS(435 members)
AS-28513(526 members)
AS3303:AS-SWCMPEERS(783 members)
AS-UDOS(1177 members)
AS-RELIANCE(1431 members)
AS-VSNL-IN(1809 members)
AS-AS209-CUST(1818 members)
AS-RETN-ACTUAL-V6(3802 members)
AS3491:AS-CUSTOMERS-AP(3895 members)
AS-E1-AUTOMATION-CUSTOMER(4656 members)
AS-EMBRATELNET(6101 members)
AS-LEVEL3-ORIGINS-EU(7728 members)
AS-REACH-CUSTOMERS(8210 members)
AS-TELSTRA-INTL-CUSTOMERS(11248 members)
AS-HURRICANEV6(20402 members)
Expanded Membership
All macros containing AS3300 (directly or via nested macros): 482
Show 100 macros
AS-BT-CALA(2 ASNs)
AS-BT-ZA(2 ASNs)
AS-BT-JP(5 ASNs)
AS-BT-US(19 ASNs)
AS-CTBC-CUSTOMERS165(25 ASNs)
AS-BT-AU(66 ASNs)
AS-BT-HK(71 ASNs)
AS-BT-SG(77 ASNs)
AS-BT-AP(85 ASNs)
AS-AUCS(98 ASNs)
AS-BT-GLOBAL(98 ASNs)
AS-INFONET(98 ASNs)
AS-VSNL(133 ASNs)
AS-8151(198 ASNs)
AS-TMNET-PEERS(271 ASNs)
AS1221:AS-TI-4637-AU-NZ(274 ASNs)
AS3491:AS-CUSTOMERS-AF(274 ASNs)
AS-28513(526 ASNs)
AS-BT-EU(755 ASNs)
AS-CONCERT(755 ASNs)
AS-CONCERTEU(755 ASNs)
AS5400:AS-BTGF(755 ASNs)
AS3303:AS-SWCMPEERS(783 ASNs)
AS-UDOS(1,556 ASNs)
AS-AS209-CUST(1,818 ASNs)
AS-QWEST-CUST(1,818 ASNs)
AS1221:AS-CUSTOMERS(3,327 ASNs)
AS1221:AS-TELSTRA(3,328 ASNs)
AS-RETN-ACTUAL-V6(3,802 ASNs)
AS-E1-AUTOMATION-CUSTOMER(4,656 ASNs)
AS-LIMELIGHT-CUST(4,913 ASNs)
AS-RELIANCE(4,914 ASNs)
AS-LIMELIGHT(4,922 ASNs)
AS-LLNW(4,943 ASNs)
AS-MEGATELECOM-CUSTOMERS(5,157 ASNs)
AS-MEGA(5,160 ASNs)
AS-MEGATELECOM(5,166 ASNs)
AS-INTERTAX(5,306 ASNs)
AS-RCN-CE-PEERS(5,340 ASNs)
AS-OPENX(5,734 ASNs)
AS-NOVVACORE(5,795 ASNs)
AS-NOVVACORE-CUSTOMERS(5,795 ASNs)
AS-G8(6,078 ASNs)
AS-EMBRATELNET(6,101 ASNs)
AS-LIQUID(6,233 ASNs)
AS-MILECOM(6,301 ASNs)
AS20730:AS-DVO-IX(6,301 ASNs)
AS-FLYS(6,441 ASNs)
AS-TIVIT(6,449 ASNs)
AS-ZSTTK-SET(6,735 ASNs)
AS-SH-CUST(7,354 ASNs)
AS-STARHUBINTERNET(7,359 ASNs)
AS-MILECOM-RS(7,417 ASNs)
AS-RBIX(7,603 ASNs)
AS-LEVEL3-ORIGINS-EU(7,728 ASNs)
AS-LEVELTHREEEU(7,728 ASNs)
AS-REACH-CUSTOMERS(8,210 ASNs)
AS272713:AS-CDNSTAR-CUSTOMERS(8,304 ASNs)
AS272713:AS-CDNSTAR(8,471 ASNs)
AS-HUGENET(9,689 ASNs)
AS-HUGENET-CUSTOMERS(9,689 ASNs)
AS-AS209(10,244 ASNs)
AS-QWEST(10,244 ASNs)
AS-SEABORN-G2(10,828 ASNs)
AS-EDGEUNO-TR(10,995 ASNs)
AS-CTBC(11,413 ASNs)
AS-SEABONECUSTLA(11,515 ASNs)
AS-KDDTRANSIT(11,930 ASNs)
AS-FIORD(12,063 ASNs)
AS-FIORD-V6(12,063 ASNs)
AS-TELSTRA-INTL-CUSTOMERS(12,472 ASNs)
AS-SET-SEACOM(12,587 ASNs)
AS-IHOME(12,653 ASNs)
AS-MTU-V6(13,582 ASNs)
AS-EUNET(13,944 ASNs)
AS2914:AS-SA-V6(14,359 ASNs)
AS2914:AS-SA(14,363 ASNs)
AS-ERTH(14,365 ASNs)
AS-SMRROUTESERVER(14,365 ASNs)
AS-OMTT-SET(14,375 ASNs)
AS-ULNIX(14,449 ASNs)
AS-KRS-IX-PEERS(14,475 ASNs)
AS-W-IX(14,497 ASNs)
AS-VLVROUTESERVER(14,501 ASNs)
AS-PITER-IX-TLL(14,528 ASNs)
AS57304:AS-RETN6-RU(14,630 ASNs)
AS57304:AS-RETN-RU(14,717 ASNs)
AS-SIBIR-IX(14,827 ASNs)
AS-SAIX(15,195 ASNs)
AS-RED-IX-PEERS(15,552 ASNs)
AS-SEABORN-CUSTOMER(16,137 ASNs)
AS-SEABORN-CORE(16,222 ASNs)
AS-KRD-RS(17,283 ASNs)
AS-CLOUD-IX-M(17,536 ASNs)
AS-CLOUD-IX(17,641 ASNs)
AS-CITYTELECOM(17,663 ASNs)
AS-HOSTER(17,663 ASNs)
AS-SEABORN(17,733 ASNs)
AS-SPBROUTESERVER(17,816 ASNs)
AS-CN2(17,842 ASNs)
... and 382 more
Upstream AS Paths
110 unique paths, avg length 1.9
AS Looking Glass
Upstream paths (matching graph above)
All 110 Upstream Paths
Complete list of all observed paths
AS1299 → AS3300
AS2497 → AS3300
AS2518 → AS3300
AS2914 → AS3300
AS3491 → AS3300
AS4826 → AS3300
AS6057 → AS3300
AS6762 → AS3300
AS6939 → AS3300
AS7713 → AS3300
AS8220 → AS3300
AS9002 → AS3300
AS18106 → AS3300
AS19151 → AS3300
AS30844 → AS3300
AS32590 → AS3300
AS36236 → AS3300
AS37100 → AS3300
AS40934 → AS3300
AS45352 → AS3300
AS49544 → AS3300
AS52320 → AS3300
AS56665 → AS3300
AS58511 → AS3300
AS61573 → AS3300
AS63956 → AS3300
AS151326 → AS3300
AS199524 → AS3300
AS267613 → AS3300
AS3300 IPv4 Address Subnets (115)
| 205.248.0.0/16 | 🇬🇧 GB | BT | BT |
| 206.182.0.0/16 | 🇬🇧 GB | BT-GIIB | BT |
| 207.117.0.0/16 | 🇬🇧 GB | BT-IP-ICG/GIIB | BT |
| 207.209.0.0/16 | 🇬🇧 GB | BT | BT |
| 209.28.0.0/16 | 🇬🇧 GB | BT-GIIB | BT |
| 204.231.0.0/17 | 🇬🇧 GB | BT | BT |
| 192.237.64.0/18 | 🇬🇧 GB | BT | BT |
| 198.207.64.0/18 | 🇬🇧 GB | BT | BT |
| 199.6.64.0/18 | 🇬🇧 GB | BT | BT |
| 204.140.64.0/18 | 🇬🇧 GB | BT | BT |
AS3300 IPv6 Address Subnets (29)
| 2402:fb00::/32 | 🇬🇧 GB | Infonet Services Corporation 2160 East Grand Avenu… | BT |
| 2402:fb00::/36 | 🇬🇧 GB | Infonet Services Corporation 2160 East Grand Avenu… | BT |
| 2402:fb00:1000::/36 | 🇬🇧 GB | Infonet Services Corporation 2160 East Grand Avenu… | BT |
| 2402:fb00:1f00::/40 | 🇬🇧 GB | Infonet Services Corporation 2160 East Grand Avenu… | BT |
| 2402:fb00:2000::/36 | 🇬🇧 GB | Infonet Services Corporation 2160 East Grand Avenu… | BT |
| 2402:fb00:2f00::/40 | 🇬🇧 GB | Infonet Services Corporation 2160 East Grand Avenu… | BT |
| 2402:fb00:3000::/36 | 🇬🇧 GB | Infonet Services Corporation 2160 East Grand Avenu… | BT |
| 2402:fb00:3f00::/40 | 🇬🇧 GB | Infonet Services Corporation 2160 East Grand Avenu… | BT |
| 2402:fb00:f00::/40 | 🇬🇧 GB | Infonet Services Corporation 2160 East Grand Avenu… | BT |
| 2606:f100::/32 | 🇬🇧 GB | BT Global Network | BT |