AS21100 — ITL Company AS21100
AS Name: ITLDC-EU
Organization: ORG-GFL2-RIPE
Registry: RIPE
Imports from (18)
Exports to (20)
⚠️ CIRCL BGP Security Rank: 0.0475% (position 5967)
aut-num: AS21100
as-name: ITLDC-EU
org: ORG-GFL2-RIPE
remarks: -------------- IPv4 --------------
import: from AS50673 action pref=80; accept ANY
import: from AS174 action pref=90; accept ANY
import: from AS24785 action pref=80; accept ANY
import: from AS20562 action pref=80; accept ANY
import: from AS41441 action pref=95; accept ANY
import: from AS34307 action pref=95; accept ANY
import: from AS12637 action pref=80; accept ANY
import: from AS24961 action pref=80; accept ANY
import: from AS29067 action pref=100; accept { 195.47.253.0/24, 185.159.140.0/24 }
import: from AS15800 action pref=100; accept AS15800
import: from AS8254 action pref=100; accept AS8254
import: from AS209832 action pref=100; accept { 109.196.128.0/23 }
import: from AS200313 action pref=100; accept { 45.88.3.0/24, 45.133.200.0/24, 45.133.201.0/24, 45.133.203.0/24, 195.242.110.0/23, 195.242.118.0/23 }
import: from AS199058 action pref=100; accept AS199058
import: from AS34700 action pref=100; accept { 31.202.15.0/24 }
import: from AS29012 action pref=100; accept AS-SCANA
import: from AS202656 action pref=100; accept { 193.203.50.0/24, 193.203.51.0/24 }
export: to AS50673 announce AS-ITLNL
export: to AS174 announce AS-ITLNL
export: to AS24785 announce AS-ITLNL
export: to AS20562 announce AS-ITLNL
export: to AS41441 announce AS-ITLNL
export: to AS34307 announce AS-ITLNL
export: to AS12637 announce { 82.118.16.0/24, 217.12.219.0/24, 185.62.0.0/24 } AS199058
export: to AS24961 announce AS21100:AS-EU9-DUS
export: to AS59796 announce AS-ITLNL
export: to AS29067 announce { 0.0.0.0/0 }
export: to AS15800 announce { 0.0.0.0/0 }
export: to AS8254 announce { 0.0.0.0/0 }
export: to AS209832 announce { 0.0.0.0/0 }
export: to AS200313 announce { 0.0.0.0/0 }
export: to AS199058 announce { 0.0.0.0/0 }
export: to AS34700 announce { 0.0.0.0/0 }
export: to AS29012 announce { 0.0.0.0/0 }
export: to AS202656 announce { 0.0.0.0/0 }
remarks: -------------- IPv6 --------------
mp-import: afi ipv6.unicast from AS50673 accept ANY
mp-import: afi ipv6.unicast from AS174 accept ANY
mp-import: afi ipv6.unicast from AS24785 accept ANY
mp-import: afi ipv6.unicast from AS20562 accept ANY
mp-import: afi ipv6.unicast from AS34307 accept ANY
mp-import: afi ipv6.unicast from AS12637 accept ANY
mp-import: afi ipv6.unicast from AS24961 accept ANY
mp-import: afi ipv6.unicast from AS29067 accept { 2001:67c:258::/48 }
mp-import: afi ipv6.unicast from AS15800 accept AS15800
mp-import: afi ipv6.unicast from AS202656 accept { 2a13:f580:7::/48 }
mp-export: afi ipv6.unicast to AS50673 announce AS-ITLNL
mp-export: afi ipv6.unicast to AS174 announce AS-ITLNL
mp-export: afi ipv6.unicast to AS24785 announce AS-ITLNL
mp-export: afi ipv6.unicast to AS20562 announce AS-ITLNL
mp-export: afi ipv6.unicast to AS34307 announce AS-ITLNL
mp-export: afi ipv6.unicast to AS12637 announce { 2a02:27ae::/32, 2a06:fcc0:3::/48 }
mp-export: afi ipv6.unicast to AS24961 announce { 2a02:27af::/32 }
mp-export: afi ipv6.unicast to AS29067 announce { 0::0/0 }
mp-export: afi ipv6.unicast to AS15800 announce { 0::0/0 }
mp-export: afi ipv6.unicast to AS202656 announce { 0::0/0 }
admin-c: DUMY-RIPE
tech-c: DUMY-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: GRFL-MNT
created: 2002-06-21T13:43:58Z
last-modified: 2026-02-16T13:50:42Z
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 AS21100 as a member:
AS21100:AS-EU9-DUS(2 members)
AS-ITLNL(11 members)
AS-KIX(33 members)
AS-UDOS(1177 members)
AS-BTN-CUSTOMERS(1495 members)
AS-RETN-ACTUAL-V4(12045 members)
Expanded Membership
All macros containing AS21100 (directly or via nested macros): 428
Show 100 macros
AS21100:AS-EU9-DUS(2 ASNs)
AS-ITLNL(12 ASNs)
AS-KIX(108 ASNs)
AS-JOINTTRANSIT-IPV6(1,216 ASNs)
AS-JOINTTRANSIT(1,449 ASNs)
AS-BTN(1,495 ASNs)
AS-BTN-CUSTOMERS(1,495 ASNs)
AS-UDOS(1,556 ASNs)
AS-MYLOC(1,656 ASNs)
AS-MARIO(1,659 ASNs)
AS-SERVERIUS(2,367 ASNs)
AS-MELBICOM(3,008 ASNs)
AS-CDNET(3,017 ASNs)
AS-MELBICOM-V6(3,054 ASNs)
AS-MMTS(3,771 ASNs)
AS6830:AS-AORTANL(4,359 ASNs)
AS-CIREX(4,394 ASNs)
AS-MF-IX(4,675 ASNs)
AS-KPN(4,751 ASNs)
AS-KPNV6(4,751 ASNs)
AS-KQ(4,751 ASNs)
AS58453:AS-EUROPEASCUST(4,790 ASNs)
AS-MAINONE(4,898 ASNs)
AS-LIMELIGHT-CUST(4,913 ASNs)
AS-LIMELIGHT(4,922 ASNs)
AS-LLNW(4,943 ASNs)
AS-OPENPEERING(5,106 ASNs)
AS-OPENPEERING-EU(5,106 ASNs)
AS-RCN-CE-PEERS(5,340 ASNs)
AS-CLOUD-IX-LOCAL(5,375 ASNs)
AS-EP-POLMIX(5,449 ASNs)
AS-SERVICEPIPE(5,724 ASNs)
AS-COMCOR-EU(5,963 ASNs)
AS-AKADO(5,977 ASNs)
AS-COMCOR(5,977 ASNs)
AS-OPENPEERINGMEMBERS(6,072 ASNs)
AS-LIQUID(6,233 ASNs)
AS-MSK(6,649 ASNs)
AS-AS209(10,244 ASNs)
AS-QWEST(10,244 ASNs)
AS-EDGEUNO-TR(10,995 ASNs)
AS-KDDTRANSIT(11,930 ASNs)
AS-AORTA(11,961 ASNs)
AS6830:AS-AORTA(11,961 ASNs)
AS-RETN-ACTUAL-V4(12,045 ASNs)
AS-SET-SEACOM(12,587 ASNs)
AS-IHOME(12,653 ASNs)
AS-MTU-V6(13,582 ASNs)
AS213973:AS-BCIX(13,844 ASNs)
AS213973:AS-PARTNERS(13,844 ASNs)
AS57328:AS-DDIX(13,844 ASNs)
AS59552:AS-SON-IX-RS(13,844 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)
AS41073:AS-INEX-PEERS(14,843 ASNs)
AS-SAIX(15,195 ASNs)
AS-VOXILITY-SET(15,206 ASNs)
AS-RED-IX-PEERS(15,552 ASNs)
AS-RDSNET(16,878 ASNs)
AS-RDSTRANSIT(16,878 ASNs)
AS-KRD-RS(17,283 ASNs)
AS-MAGYARTELEKOM(17,357 ASNs)
AS-MATAV(17,357 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-SPBROUTESERVER(17,816 ASNs)
AS-CN2(17,842 ASNs)
AS58453:AS-CMI-ALL(18,020 ASNs)
AS-CMI-ALL(18,021 ASNs)
AS-WIOCC(18,067 ASNs)
AS-1031-PEER1(18,971 ASNs)
AS-LINKBRASIL-271253(19,032 ASNs)
AS271253:AS-CUSTOMERS(19,032 ASNs)
AS-ST1-PEERINGS(19,133 ASNs)
AS-COMCAST-IBONE(19,609 ASNs)
AS-OCCAID6(19,611 ASNs)
AS-OCCAID6-CUSTOMERS(19,611 ASNs)
AS-NOTSURFNET-PEERS(19,650 ASNs)
AS-EDGEUNO(19,687 ASNs)
AS-MZIMA-CUSTOMERS(19,702 ASNs)
AS-MZIMA(19,703 ASNs)
AS-PXGLOBAL(19,703 ASNs)
AS-ARBINET-LAX-BUYERS(19,875 ASNs)
AS-AS53013(20,143 ASNs)
AS-XO(23,361 ASNs)
AS-TRANSROUTE(23,421 ASNs)
... and 328 more
Upstream AS Paths
90 unique paths, avg length 2.1
AS Looking Glass
Upstream paths (matching graph above)
All 90 Upstream Paths
Complete list of all observed paths
AS21100 IPv4 Address Subnets (30)
| 195.123.216.0/21 | 🇺🇸 US | ITLDC Netherlands network | ITLDC-EU |
| 185.14.28.0/22 | 🇺🇸 US | GREENFLOID-NL | ITLDC-EU |
| 185.174.172.0/22 | 🇺🇸 US | HyperHost-NL | ITLDC-EU |
| 185.198.164.0/22 | 🇺🇸 US | FRIENDHOSTING-NL | ITLDC-EU |
| 185.237.206.0/23 | 🇺🇸 US | ITLDC-EU | |
| 195.245.112.0/23 | 🇺🇸 US | FRIENDHOSTING-NL | ITLDC-EU |
| 217.12.200.0/23 | 🇺🇸 US | GREENFLOID-NL | ITLDC-EU |
| 217.12.208.0/23 | 🇺🇸 US | GREENFLOID-NL | ITLDC-EU |
| 5.34.180.0/23 | 🇺🇸 US | VDS/VPS route for SERVERIUS NL | ITLDC-EU |
| 185.62.0.0/24 | 🇺🇸 US | ITLDC-EU |
AS21100 IPv6 Address Subnets (9)
| 2001:67c:2f5c::/48 | 🇺🇸 US | FRIENDHOSTING-NL | ITLDC-EU |
| 2a02:27a9::/32 | 🇺🇸 US | GREENFLOID-NL | ITLDC-EU |
| 2a02:27ab::/32 | 🇺🇸 US | ITL-NL | ITLDC-EU |
| 2a02:27ae::/32 | 🇺🇸 US | ITLDC-EU | |
| 2a02:27af::/32 | 🇺🇸 US | ITLDC-EU | |
| 2a06:c6c0::/48 | 🇺🇸 US | HyperHost-NL | ITLDC-EU |
| 2a06:fcc0:3::/48 | 🇺🇸 US | ITLDC-EU | |
| 2a0d:5a80::/29 | 🇺🇸 US | Tier.net | TIER-NET |
| 2a0e:40c0:2::/48 | 🇺🇸 US | ISPLEVEL NL (abuse@isplevel.com) | ITLDC-EU |