AS203937 — CYFROTEL SPOLKA JAWNA MARIUSZ ULIDOWSKI MAREK BZDZIUCH CYFROTEL
AS Name: Cyfrotel
Organization: ORG-CSJM2-RIPE
Registry: RIPE
Exports to (5)
⚠️ CIRCL BGP Security Rank: 3.5186% (position 263)
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
AS203937 IPv4 Address Subnets (8)
| 185.119.120.0/22 | 🇵🇱 PL | Cyfrotel | |
| 185.131.240.0/23 | 🇵🇱 PL | MK-NET | Cyfrotel |
| 194.42.118.0/23 | 🇵🇱 PL | CYFROTEL | Cyfrotel |
| 185.125.4.0/24 | 🇵🇱 PL | ZFIX via Cyfrotel | Cyfrotel |
| 185.131.242.0/24 | 🇵🇱 PL | CYFROTEL | Cyfrotel |
| 185.131.243.0/24 | 🇵🇱 PL | NET MAR MAREK BZDZIUCH | Cyfrotel |
| 185.216.172.0/24 | 🇵🇱 PL | Cyfrotel | |
| 185.253.233.0/24 | 🇵🇱 PL | CYFROTEL | Cyfrotel |
AS203937 IPv6 Address Subnets (1)
| 2a06:dec0::/32 | 🇵🇱 PL | Cyfrotel |