AS21254
AS Name: CTM-ASN
Organization: ORG-CTMI1-RIPE
Registry: RIPE
aut-num: AS21254
as-name: CTM-ASN
org: ORG-CTMI1-RIPE
import: from AS702 accept ANY
import: from AS3257 accept ANY
import: from AS8928 accept ANY
import: from AS8220 accept ANY
import: from AS5466 accept ANY
export: to AS702 announce AS21254
export: to AS3257 announce AS21254
export: to AS8928 announce AS21254
export: to AS8220 announce AS21254
export: to AS5466 announce AS21254
admin-c: DUMY-RIPE
tech-c: DUMY-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: CTM-MNT
created: 2007-05-25T14:46:55Z
last-modified: 2025-07-14T14:55:28Z
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: ****************************
Upstream AS Paths
14 unique paths, avg length 2.0
AS Looking Glass
Upstream paths (matching graph above)
Prefixes
6 prefixes originated by AS21254
Hostnames in AS21254
Direct Membership
Macros that directly list AS21254 as a member:
AS-EIRCOM(44 members)
AS-COLTCH(150 members)
AS8220:AS-COLTCH(155 members)
AS-INTEROUTE(675 members)
AS-GTTCUST(3453 members)
AS-LEVEL3-ORIGINS-EU(7728 members)
Expanded Membership
All macros containing AS21254 (directly or via nested macros): 215
Show 100 macros
AS-EIRCOM(44 ASNs)
AS-COLTCH(523 ASNs)
AS8220:AS-COLTCH(527 ASNs)
AS-COLTEU(3,133 ASNs)
AS8220:AS-COLTEU(3,155 ASNs)
AS-COLT(3,372 ASNs)
AS-IBSCUST(3,862 ASNs)
AS8220:AS-COLT(3,925 ASNs)
AS-SEABONECUSTIT(4,379 ASNs)
AS-CLARANETFR-PEERINGS(4,820 ASNs)
AS41073:AS-IPV4-INEX-PEERS(5,208 ASNs)
AS-LEVELTHREEEU(7,728 ASNs)
AS-LEVEL3-ORIGINS-EU(7,728 ASNs)
AS41073:AS-INEX-PEERS(14,843 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-CIXP(24,509 ASNs)
AS30781:AS-JAGUAR-PEERING-CIXP(27,405 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-SWISS-IX(28,564 ASNs)
AS30781:AS-JAGUAR-PEERING-SWISS-IX(31,389 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-EQUINIX-PA(34,681 ASNs)
AS30781:AS-JAGUAR-PEERING-EQUINIX-PA(37,230 ASNs)
AS-INTEROUTE(43,471 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-FRANCE-IX-MARSEILLE(44,422 ASNs)
AS30781:AS-JAGUAR-PEERING-FRANCE-IX-MARSEILLE(46,036 ASNs)
AS-TOPIX-RS(57,252 ASNs)
AS-SET-INEX-RS(60,298 ASNs)
AS-BCIX-RS(61,123 ASNs)
AS16374:AS-BCIX-RS(61,123 ASNs)
AS-SET-INEX-CONNECTED(67,097 ASNs)
AS-UAEIX(67,297 ASNs)
AS61374:AS-UAEIX(67,297 ASNs)
AS2914:AS-ASIA-V6(68,905 ASNs)
AS-SEABONECUSTEU(69,169 ASNs)
AS-NETIX-INT(69,913 ASNs)
AS43380:AS-DTEL-IX(69,913 ASNs)
AS-KIVIX(69,914 ASNs)
AS52055:AS-NETIX-GR(69,958 ASNs)
AS-SIX(70,009 ASNs)
AS-UBNIX(70,042 ASNs)
AS-GLOBAL-IX(70,222 ASNs)
AS-EPIX-LOCAL(70,298 ASNs)
AS-EPIX(70,299 ASNs)
AS-C4LPEERS(70,320 ASNs)
AS56584:AS-SET-INTERIX-RS(70,331 ASNs)
AS17645:AS-NTTS(70,764 ASNs)
AS2914:AS-ASIA(70,764 ASNs)
AS17645:AS-NTTS-IP(70,764 ASNs)
AS-NETIX-NET(71,038 ASNs)
AS-UAIX(71,146 ASNs)
AS-TSUA-PARITY(71,146 ASNs)
AS-IU-CL(71,146 ASNs)
AS-UDC2UTEL(71,146 ASNs)
AS25229:AS-PARITY(71,150 ASNs)
AS-KIKE(71,185 ASNs)
AS21011:AS-UA(71,230 ASNs)
AS21011:AS-PEERS-UA(71,230 ASNs)
AS56584:AS-INTERIX(71,301 ASNs)
AS-SEABONE(71,409 ASNs)
AS3320:AS-DTAG-V6(71,426 ASNs)
AS-ROMANIA(71,783 ASNs)
AS-UAEIX-V6(71,954 ASNs)
AS61374:AS-UAEIX-V6(71,954 ASNs)
AS-INTERLANRO(72,156 ASNs)
AS43289:AS-PEERS(72,157 ASNs)
AS-PEERINGCZ-RS(72,214 ASNs)
AS-DECIX-PMO-V6(72,294 ASNs)
AS25083:AS-DECIX-PMO-V6(72,294 ASNs)
AS-DECIX-PMO(72,297 ASNs)
AS25083:AS-DECIX-PMO(72,297 ASNs)
AS29535:AS-TPIX(72,365 ASNs)
AS-DTAG(72,392 ASNs)
AS3320:AS-DTAG(72,392 ASNs)
AS-DECIX-DUS(73,592 ASNs)
AS56890:AS-DECIX-DUS(73,592 ASNs)
AS-EBONE(73,672 ASNs)
AS-ST1-UPSTREAMS(73,733 ASNs)
AS-DECIX-HAM(73,753 ASNs)
AS-WORKIX(73,753 ASNs)
AS43252:AS-DECIX-HAM(73,753 ASNs)
AS-DECIX-MRS(73,755 ASNs)
AS20717:AS-DECIX-MRS(73,755 ASNs)
AS-DECIX-IST-V6(73,807 ASNs)
AS20715:AS-DECIX-IST-V6(73,807 ASNs)
AS-DECIX-IST(73,942 ASNs)
AS20715:AS-DECIX-IST(73,942 ASNs)
AS-PLIX(74,048 ASNs)
AS-PL-IX(74,048 ASNs)
AS-SWISSIX-RS(75,248 ASNs)
AS42476:AS-SWISSIX(75,248 ASNs)
AS-MIRONET-SWISSIX-PEERS(75,488 ASNs)
AS-SIX6(76,016 ASNs)
AS-LOCIX(76,072 ASNs)
AS-BRYCE-PEERS-AMS(76,072 ASNs)
AS213234:AS-HBC-PEERINGS(76,073 ASNs)
AS-BRYCE-PEERS(76,078 ASNs)
AS-UBNIX-V6(76,129 ASNs)
AS-MIROHOST-V6-A(76,129 ASNs)
AS-MSKROUTESERVER(76,136 ASNs)
AS43921:AS-VRMSKIX(76,136 ASNs)
AS-PITER-IX-HEL(76,138 ASNs)
AS-COSMOSF(76,140 ASNs)
... and 115 more