AS203937 — CYFROTEL SPOLKA JAWNA MARIUSZ ULIDOWSKI MAREK BZDZIUCH CYFROTEL

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// CYFROTEL SPOLKA JAWNA MARIUSZ ULIDOWSKI MAREK BZDZIUCH // CYFROTEL

AS Name: Cyfrotel

Organization: ORG-CSJM2-RIPE

Registry: RIPE

Imports from (4)
Exports to (5)

⚠️ CIRCL BGP Security Rank: 2.9898% (position 273)

aut-num: AS203937
as-name: Cyfrotel
org: ORG-CSJM2-RIPE
import: from AS50607 accept ANY
export: to AS50607 announce as-cyfrotel
import: from AS62047 accept ANY
export: to AS62047 announce as-cyfrotel
import: from AS201054 accept ANY
export: to AS201054 announce as-cyfrotel
import: from AS197294 accept ANY
export: to AS197294 announce ANY
admin-c: DUMY-RIPE
tech-c: DUMY-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: pl-cyfrotel-1-mnt
created: 2015-10-01T08:31:39Z
last-modified: 2025-03-21T13:18:00Z
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 AS203937 as a member:


AS-CYFROTEL(2 members)
AS-DERKOM(3 members)
AS-CEPIX(5 members)
AS29535:AS-MIX2(455 members)
AS-EPIX-TRANSIT(467 members)
AS-EP-POLMIX(535 members)
AS-TPIX(749 members)
AS29535:AS-TPIX(783 members)
AS-TRANSROUTE-SPEC(19556 members)
AS-HURRICANE(23268 members)

Expanded Membership

All macros containing AS203937 (directly or via nested macros): 421

Show 100 macros
AS-CYFROTEL(2 ASNs)
AS-DERKOM(3 ASNs)
AS-CEPIX(4 ASNs)
AS-PL-NETRONIK(18 ASNs)
AS-PL-NETRONIK-LOCAL(18 ASNs)
AS-TPNETS(22 ASNs)
AS-HTI2LEVEL3(168 ASNs)
AS-HTI-CUSTOMERS(174 ASNs)
AS-HTI2RETN(174 ASNs)
AS9112:AS-POZMAN-1014(274 ASNs)
AS-POZMAN(279 ASNs)
AS-PL-FUZ(410 ASNs)
AS-VIRTUAOPERATOR(410 ASNs)
AS29535:AS-MIX2(660 ASNs)
AS29535:AS-TRANSIT(660 ASNs)
AS-VECTRA(699 ASNs)
AS-NETIA(819 ASNs)
AS-NETIAX(819 ASNs)
AS8907:AS-TPNET(820 ASNs)
AS-TDC-CUST(844 ASNs)
AS-NETIA-MSK-IX(877 ASNs)
AS-WRIX(1,005 ASNs)
AS-5526TR(1,006 ASNs)
AS-KORBANK(1,006 ASNs)
AS-EXATEL-PL(1,180 ASNs)
AS-GIX(1,591 ASNs)
AS-EPIX-TRANSIT(2,404 ASNs)
AS13293:AS-SLASK-COM(2,440 ASNs)
AS15744:AS-SASK-COM(2,440 ASNs)
AS15744:AS-SLASK-COM-PCWS(2,440 ASNs)
AS15744:AS-SLASK-COM-AMSIX(2,441 ASNs)
AS196844:AS-SLASK-COM(2,441 ASNs)
AS-SASK-PEERINGS(2,443 ASNs)
AS-EXATEL-INT(2,675 ASNs)
AS13293:AS-PCWS(2,676 ASNs)
AS196844:AS-AMSIX(2,822 ASNs)
AS5617:AS-WORLD-TRANSIT(2,883 ASNs)
AS50263:AS-1-IX-EU-CUST(3,422 ASNs)
AS9141:AS-P4NET(3,684 ASNs)
AS5617:AS-PL-TRANSIT(4,112 ASNs)
AS29535:AS-OP-TRANSIT(5,317 ASNs)
AS-TPNET(5,318 ASNs)
AS-TP(5,330 ASNs)
AS-EP-POLMIX(5,449 ASNs)
AS24748:AS-IX(8,694 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-TRANSROUTE-SPEC(19,556 ASNs)
AS-HURRICANE(23,268 ASNs)
AS-NFON-LINX-PEERS-V4(23,268 ASNs)
AS-NFON-LINX-PEERS-V6(23,268 ASNs)
AS56507:AS-IXPMK(23,393 ASNs)
AS-TRANSROUTE(23,421 ASNs)
AS-DECIX-RIC(23,570 ASNs)
AS393752:AS-DECIX-RIC(23,570 ASNs)
AS31561:AS-MEMBERS-PAR(23,675 ASNs)
AS-SEECIX(23,696 ASNs)
AS56858:AS-SEECIX(23,696 ASNs)
AS-PITER-IX-ROV(23,906 ASNs)
AS-LAMBDA(24,056 ASNs)
AS-PITER-IX-RIGA(24,405 ASNs)
AS30781:AS-JAGUAR-PEERING-TIX(24,490 ASNs)
AS215405:AS-CONNECTED(24,530 ASNs)
AS-OHIOIX-CMH(24,548 ASNs)
AS-OHIOIX(24,587 ASNs)
AS57369:AS-ONIX(24,726 ASNs)
AS-LTTUKPEERS(24,991 ASNs)
AS-LTT(24,993 ASNs)
AS-LIXP(25,221 ASNs)
AS-SMILE(26,794 ASNs)
AS-BALT-IX(27,227 ASNs)
AS30781:AS-JAGUAR-PEERING-CIXP(27,405 ASNs)
AS-PITER-IX-FRA(27,939 ASNs)
AS4470:AS-TORIX-PEERS(27,996 ASNs)
AS4470:AS-PEERS(28,002 ASNs)
AS-LITIX(28,046 ASNs)
AS-SET-STHIX-RS(28,136 ASNs)
AS7606:AS-VIC-IX(29,635 ASNs)
AS-FIXO(29,811 ASNs)
AS209861:AS-PEERS(29,811 ASNs)
AS55176:AS-MEMBERS(29,827 ASNs)
AS-IXPLAY(30,348 ASNs)
AS-STARTNIX-EU(30,348 ASNs)
AS30781:AS-JAGUAR-PEERING-SWISS-IX(31,389 ASNs)
AS-KCIX-MEMBERS(32,832 ASNs)
AS-DECIX-BCN(33,636 ASNs)
AS57802:AS-DECIX-BCN(33,636 ASNs)
AS-DECIX-ASE(34,557 ASNs)
AS38137:AS-DECIX-ASE(34,557 ASNs)
AS-DECIX-LIS(34,749 ASNs)
AS43729:AS-DECIX-LIS(34,749 ASNs)
AS-SOVAM(34,887 ASNs)
AS-CWCCUSTOMERS(34,940 ASNs)
AS-MERCURY(34,969 ASNs)
AS-UUNETEUDE(34,985 ASNs)
AS702:AS-DE-CUSTOMER(34,985 ASNs)
AS-TELARM(35,456 ASNs)
AS-ARMENTEL(35,460 ASNs)
... and 321 more

Upstream AS Paths

24 unique paths, avg length 2.8

AS203937AS50607AS29535AS5617AS201054AS24482AS201053AS5405AS25091AS5511AS1299AS3303AS137409AS20473AS6939AS9002AS63927AS49544AS52320AS262355AS13058AS39122AS2497AS56662AS150000AS140627AS2516AS4826AS266213AS203937 Upstream Paths20 paths shown

AS Looking Glass

Upstream paths (matching graph above)

AS2497AS1299AS5617AS203937
AS3303AS5617AS203937
AS9002AS5511AS5617AS203937
AS24482AS203937
AS39122AS5405AS29535AS203937
AS150000AS6939AS29535AS203937
AS25091AS29535AS203937
AS52320AS29535AS203937
AS49544AS203937
AS2516AS6939AS201053AS50607AS203937
AS140627AS6939AS201053AS50607AS203937
AS150000AS6939AS201053AS50607AS203937
AS4826AS9002AS201053AS50607AS203937
AS13058AS201053AS50607AS203937
AS49544AS201053AS50607AS203937
AS52320AS201053AS50607AS203937
AS63927AS201053AS50607AS203937
AS266213AS262355AS201053AS50607AS203937
AS56662AS20473AS201054AS203937
AS63927AS137409AS201054AS203937
All 24 Upstream Paths

Complete list of all observed paths

AS2497AS1299AS5617AS203937
AS3303AS5617AS203937
AS9002AS5511AS5617AS203937
AS24482AS203937
AS39122AS5405AS29535AS203937
AS6939AS29535AS203937
AS150000AS6939AS29535AS203937
AS25091AS29535AS203937
AS52320AS29535AS203937
AS49544AS203937
AS6939AS201053AS50607AS203937
AS2516AS6939AS201053AS50607AS203937
AS140627AS6939AS201053AS50607AS203937
AS150000AS6939AS201053AS50607AS203937
AS9002AS201053AS50607AS203937
AS4826AS9002AS201053AS50607AS203937
AS13058AS201053AS50607AS203937
AS49544AS201053AS50607AS203937
AS52320AS201053AS50607AS203937
AS63927AS201053AS50607AS203937
AS266213AS262355AS201053AS50607AS203937
AS56662AS20473AS201054AS203937
AS137409AS201054AS203937
AS63927AS137409AS201054AS203937

AS203937 IPv4 Address Subnets (8)

185.119.120.0/22🇵🇱 PLCyfrotel
185.131.240.0/23🇵🇱 PLMK-NETCyfrotel
194.42.118.0/23🇵🇱 PLCYFROTELCyfrotel
185.125.4.0/24🇵🇱 PLZFIX via CyfrotelCyfrotel
185.131.242.0/24🇵🇱 PLCYFROTELCyfrotel
185.131.243.0/24🇵🇱 PLNET MAR MAREK BZDZIUCHCyfrotel
185.216.172.0/24🇵🇱 PLCyfrotel
185.253.233.0/24🇵🇱 PLCYFROTELCyfrotel

AS203937 IPv6 Address Subnets (1)

2a06:dec0::/32🇵🇱 PLCyfrotel

Hostnames in AS203937