AS174 — Cogent Communications, Inc.
AS Name: COGENT
Description: Cogent/PSI Cogent/PSI
Registry: RIPE-NONAUTH
Imports from (7833)
Exports to (7834)
⚠️ CIRCL BGP Security Rank: 0.0060% (position 9507)
aut-num: AS174
as-name: COGENT
descr: Cogent/PSI
import: from AS-ANY accept ANY
export: to AS-ANY announce AS174:AS-COGENT
admin-c: IPALL-ARIN
tech-c: IPALL-ARIN
mnt-by: MAINT-AS174
changed: arthur@psi.com 19950606
changed: neteng@cogentco.com 20040108 #20:53:24(UTC)
changed: neteng@cogentco.com 20040512 #14:37:35(UTC)
source: RADB
last-modified: 2023-11-13T15:39:35Z
Direct Membership
Macros that directly list AS174 as a member:
AS399503:AS-ALL(1 members)
AS265197:AS-NEVOLI-CUSTOMERS(1 members)
AS-AWEB-LLC(2 members)
AS11722:AS-TRANSIT(2 members)
AS26271:AS-TRANSIT(2 members)
AS47110:AS-TRANSITS(2 members)
AS214331:AS-TVS(2 members)
AS270340:AS-NETCOM-UPSTREAMS(2 members)
AS22168:AS-PEERS(2 members)
AS5050:AS-I1-PROVIDERS(2 members)
AS41073:AS-TRANSIT(2 members)
AS206525:AS-TRANSITS(2 members)
AS4877:AS-TRANSIT(2 members)
AS263271:AS-UPSTREAMS(2 members)
AS197056:AS-TRANSIT-V4(2 members)
AS273686:AS-CUSTOMERS(2 members)
AS-20986(3 members)
AS-SMCC-203015(3 members)
AS-VINOC-MX(3 members)
AS-6561-AS-PEERS(3 members)
AS-46935(3 members)
AS-RADIOWIRE-PEERS(3 members)
AS-METRO-UPSTREAM(3 members)
AS-DOTMANAGED(3 members)
AS-PSINET-US(3 members)
AS-PACKETUP(3 members)
AS174:AS-PSI(3 members)
AS8821:AS-TRANSIT(3 members)
AS15576:AS-TRANSIT(3 members)
AS20161:AS-PEERS(3 members)
AS26269:AS-PEERS(3 members)
AS28642:AS-TRANSIT(3 members)
AS29003:AS-UPSTREAMPROVIDERS(3 members)
AS398710:AS-PEERS(3 members)
AS7849:AS-UPSTREAM(3 members)
AS40933:AS-PEERS(3 members)
AS46188:AS-PEERS(3 members)
AS398576:AS-PEERS(3 members)
AS400810:AS-UPSTREAMS(3 members)
AS9186:AS-UPSTREAMPROVIDERS(3 members)
AS22894:AS-TRANSIT-NICMX(3 members)
AS36925:AS-PROVIDERS(3 members)
AS40092:AS-TRANSIT(3 members)
AS51985:AS-TRANSITS(3 members)
AS202087:AS-UPSTREAM(3 members)
AS269299:AS-TRANSIT(3 members)
AS61620:AS-UPSTREAMS(3 members)
AS-SIP-UPSTREAMS(4 members)
AS-OPTIMITY(4 members)
AS-NOVA86-UPSTREAMS(4 members)
... and 149 more
Expanded Membership
All macros containing AS174 (directly or via nested macros): 842
Show 100 macros
AS265197:AS-NEVOLI-CUSTOMERS(1 ASNs)
AS399503:AS-ALL(1 ASNs)
AS-AWEB-LLC(2 ASNs)
AS11722:AS-TRANSIT(2 ASNs)
AS174:AS-PSI(2 ASNs)
AS197056:AS-TRANSIT-V4(2 ASNs)
AS206525:AS-TRANSITS(2 ASNs)
AS214331:AS-TVS(2 ASNs)
AS22168:AS-PEERS(2 ASNs)
AS26271:AS-TRANSIT(2 ASNs)
AS263271:AS-UPSTREAMS(2 ASNs)
AS265197:AS-NEVOLI(2 ASNs)
AS270340:AS-NETCOM-UPSTREAMS(2 ASNs)
AS273686:AS-CUSTOMERS(2 ASNs)
AS41073:AS-TRANSIT(2 ASNs)
AS47110:AS-TRANSITS(2 ASNs)
AS4877:AS-TRANSIT(2 ASNs)
AS5050:AS-I1-PROVIDERS(2 ASNs)
AS-20986(3 ASNs)
AS-46935(3 ASNs)
AS-6561-AS-PEERS(3 ASNs)
AS-DOTMANAGED(3 ASNs)
AS-METRO-UPSTREAM(3 ASNs)
AS-PACKETUP(3 ASNs)
AS-RADIOWIRE-PEERS(3 ASNs)
AS-SMCC-203015(3 ASNs)
AS-VINOC-MX(3 ASNs)
AS15576:AS-TRANSIT(3 ASNs)
AS20161:AS-PEERS(3 ASNs)
AS202087:AS-UPSTREAM(3 ASNs)
AS22894:AS-TRANSIT-NICMX(3 ASNs)
AS26269:AS-PEERS(3 ASNs)
AS269299:AS-TRANSIT(3 ASNs)
AS28642:AS-TRANSIT(3 ASNs)
AS29003:AS-UPSTREAMPROVIDERS(3 ASNs)
AS36925:AS-PROVIDERS(3 ASNs)
AS398576:AS-PEERS(3 ASNs)
AS398710:AS-PEERS(3 ASNs)
AS400810:AS-UPSTREAMS(3 ASNs)
AS40092:AS-TRANSIT(3 ASNs)
AS40933:AS-PEERS(3 ASNs)
AS46188:AS-PEERS(3 ASNs)
AS51985:AS-TRANSITS(3 ASNs)
AS61620:AS-UPSTREAMS(3 ASNs)
AS7849:AS-UPSTREAM(3 ASNs)
AS8821:AS-TRANSIT(3 ASNs)
AS9186:AS-UPSTREAMPROVIDERS(3 ASNs)
AS-AISDPROVIDERS(4 ASNs)
AS-CTB-WFNET(4 ASNs)
AS-KKCO-TRANSIT(4 ASNs)
AS-NOVA86-UPSTREAMS(4 ASNs)
AS-OPTIMITY(4 ASNs)
AS-SIP-UPSTREAMS(4 ASNs)
AS-VC3-BOI-CARRIERS(4 ASNs)
AS13826:AS-PEERS(4 ASNs)
AS15547:AS-UPSTREAMS(4 ASNs)
AS17893:AS-TRANSIT-PROVIDERS(4 ASNs)
AS208885:AS-SERVISPOSTAI(4 ASNs)
AS214240:AS-UPSTREAMS(4 ASNs)
AS26523:AS-TRANSIT(4 ASNs)
AS273366:AS-UPSTREAMS(4 ASNs)
AS28171:AS-UPSTREAMS(4 ASNs)
AS32413:AS-TRANSIT(4 ASNs)
AS33164:AS-TRANSIT(4 ASNs)
AS33986:AS-UPSTREAMS(4 ASNs)
AS397709:AS-PEERS(4 ASNs)
AS48518:AS-TRANSITS(4 ASNs)
AS5738:AS-TRANSIT(4 ASNs)
AS61704:AS-UPSTREAMS(4 ASNs)
AS8251:AS-UPSTREAMS(4 ASNs)
AS-EXIO-UPSTREAMS(5 ASNs)
AS-IPROUTE-TRANSIT(5 ASNs)
AS-SNAPCOM(5 ASNs)
AS13765:AS-UPSTREAM(5 ASNs)
AS17895:AS-UPSTREAMS(5 ASNs)
AS215605:AS-UPSTREAM(5 ASNs)
AS265058:AS-UPSTREAMS(5 ASNs)
AS266438:AS-UPSTREANS(5 ASNs)
AS273421:AS-UPSTREAM(5 ASNs)
AS30200:AS-PEERS(5 ASNs)
AS394745:AS-PEERS(5 ASNs)
AS399646:AS-UPSTREAM(5 ASNs)
AS44000:AS-TRANSIT-V4(5 ASNs)
AS-AS33274-TRANSIT-PEERS(6 ASNs)
AS-DIGINETITCC-TRANSIT-PROVIDERS(6 ASNs)
AS-MBN(6 ASNs)
AS-PROMOIT(6 ASNs)
AS-SKYFIBER-01(6 ASNs)
AS-STUFU-HAM(6 ASNs)
AS-STUFU-HAM-V6(6 ASNs)
AS-TRITAN-UPSTREAMS(6 ASNs)
AS-WA-TRANSIT(6 ASNs)
AS-WIFIWEB-TRANSITO(6 ASNs)
AS14007:AS-PEERS(6 ASNs)
AS14840:AS-TRANSIT(6 ASNs)
AS16243:AS-PROVIDERS(6 ASNs)
AS200315:AS-NETCONNECT-UP(6 ASNs)
AS213527:AS-IT-ADJUTOR-UPSTREAM(6 ASNs)
AS262645:AS-TRANSIT(6 ASNs)
AS264293:AS-UPSTREAMS(6 ASNs)
... and 742 more
Upstream AS Paths
152 unique paths, avg length 2.0
AS Looking Glass
Upstream paths (matching graph above)
All 152 Upstream Paths
Complete list of all observed paths
AS852 → AS174
AS1299 → AS174
AS1351 → AS174
AS1403 → AS174
AS2497 → AS174
AS2516 → AS174
AS2518 → AS174
AS2914 → AS174
AS3130 → AS174
AS3170 → AS174
AS3257 → AS174
AS3320 → AS174
AS3491 → AS174
AS6057 → AS174
AS6082 → AS174
AS6453 → AS174
AS6667 → AS174
AS6830 → AS174
AS7018 → AS174
AS7594 → AS174
AS7713 → AS174
AS14315 → AS174
AS14537 → AS174
AS14630 → AS174
AS18106 → AS174
AS19151 → AS174
AS22652 → AS174
AS23673 → AS174
AS24516 → AS174
AS32709 → AS174
AS33185 → AS174
AS34288 → AS174
AS36236 → AS174
AS37271 → AS174
AS37721 → AS174
AS38880 → AS174
AS39120 → AS174
AS40934 → AS174
AS45352 → AS174
AS46450 → AS174
AS49788 → AS174
AS52320 → AS174
AS53062 → AS174
AS55222 → AS174
AS56665 → AS174
AS61568 → AS174
AS61573 → AS174
AS63927 → AS174
AS63956 → AS174
AS132337 → AS174
AS136557 → AS174
AS137409 → AS174
AS148968 → AS174
AS151326 → AS174
AS199524 → AS174
AS262427 → AS174
AS398465 → AS174
AS174 IPv4 Address Subnets (5137)
| 38.0.0.0/8 | 🇺🇸 US | Cogent | COGENT |
| 208.0.0.0/11 | 🇺🇸 US | SprintLink | COGENT |
| 154.48.0.0/12 | 🇺🇸 US | Cogent | COGENT |
| 63.160.0.0/12 | 🇺🇸 US | SprintLink | COGENT |
| 154.24.0.0/13 | 🇺🇸 US | COGENT | |
| 154.40.0.0/13 | 🇺🇸 US | Cogent Communications | COGENT |
| 205.240.0.0/13 | 🇺🇸 US | SprintLink | COGENT |
| 65.160.0.0/13 | 🇺🇸 US | SprintLink | COGENT |
| 149.92.0.0/14 | 🇺🇸 US | COGENT | |
| 154.36.0.0/14 | 🇺🇸 US | COGENT |
AS174 IPv6 Address Subnets (472)
| 2001:49f0:d011::/48 | 🇺🇸 US | COGENT | |
| 2001:550::/32 | 🇺🇸 US | Cogent Communications | COGENT |
| 2001:550:1:100::/56 | 🇺🇸 US | COGENT | |
| 2001:550:1:300::/64 | 🇺🇸 US | COGENT | |
| 2001:550:1:301::/64 | 🇺🇸 US | COGENT | |
| 2001:550:1:304::/64 | 🇺🇸 US | COGENT | |
| 2001:550:1:c::/64 | 🇺🇸 US | COGENT | |
| 2001:550:100:8::/64 | 🇺🇸 US | COGENT | |
| 2001:550:100:9::/64 | 🇺🇸 US | COGENT | |
| 2001:550:104::/48 | 🇺🇸 US | COGENT |