AS174
Cogent Communications, LLC ISP registered in United States
2,410IPv4 prefixes
65IPv6 prefixes
21%RPKI-valid
#4AS Rank
327/327RIS visibility
#10Rank in United States
1996-05-16Allocated
Cogent Communications, LLC (AS174) — ISP, registered in United States. announces 2,410 IPv4 prefixes + 65 IPv6 prefixes. Rank in United States: #10. Allocated: 1996-05-16.
IPv4 2,410IPv6 65
Announced prefixes · 2,475
- v4 38.188.178.0/24 unknown
- v4 38.188.40.0/24 unknown
- v4 38.188.41.0/24 unknown
- v4 38.188.42.0/24 unknown
- v4 38.188.43.0/24 unknown
- v4 38.188.44.0/24 unknown
- v4 38.188.45.0/24 unknown
- v4 38.188.46.0/24 unknown
- v4 38.188.47.0/24 unknown
- v4 38.19.192.0/24 unknown
- v4 38.19.193.0/24 unknown
- v4 38.19.194.0/24 unknown
- v4 38.19.195.0/24 unknown
- v4 38.19.234.0/23 unknown
- v4 38.19.234.0/24 unknown
- v4 38.19.235.0/24 unknown
- v4 38.19.236.0/24 unknown
- v4 38.19.251.0/24 unknown
- v4 38.190.183.0/24 unknown
- v4 38.190.90.0/23 unknown
- v4 38.190.90.0/24 unknown
- v4 38.190.91.0/24 unknown
- v4 38.191.64.0/23 unknown
- v4 38.191.64.0/24 unknown
- v4 38.191.65.0/24 unknown
- v4 38.196.182.0/23 unknown
- v4 38.196.182.0/24 unknown
- v4 38.196.183.0/24 unknown
- v4 38.196.208.0/21 unknown
- v4 38.196.208.0/24 unknown
- v4 38.196.209.0/24 unknown
- v4 38.196.210.0/24 unknown
- v4 38.196.211.0/24 unknown
- v4 38.196.212.0/24 unknown
- v4 38.196.213.0/24 unknown
- v4 38.196.214.0/24 unknown
- v4 38.196.215.0/24 unknown
- v4 38.196.239.0/24 unknown
- v4 38.20.12.0/24 unknown
- v4 38.203.0.0/22 unknown
- v4 38.203.0.0/24 unknown
- v4 38.203.1.0/24 unknown
- v4 38.203.2.0/24 unknown
- v4 38.203.3.0/24 unknown
- v4 38.204.0.0/22 unknown
- v4 38.204.0.0/24 unknown
- v4 38.204.1.0/24 unknown
- v4 38.204.2.0/24 unknown
- v4 38.204.3.0/24 unknown
- v4 38.207.144.0/24 unknown
RPKI: rpki.cloudflare.com · 2026-06-23
Routing: 4,156 IPv4 · 511 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-23
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 2435 |
| 2026-06-13 | 2435 |
| 2026-06-14 | 2435 |
| 2026-06-16 | 2426 |
| 2026-06-17 | 2492 |
| 2026-06-19 | 2500 |
| 2026-06-20 | 2484 |
| 2026-06-21 | 2485 |
| 2026-06-22 | 2485 |
| 2026-06-23 | 2475 |
Facilities · 818
- 1-Net East Singapore
- 1025Connect Westbury
- 123.NET - DC1 - 24700 Northwestern Hwy. Southfield
- 1500 Champa Denver
- 1530 SWIFT - NOCIX North Kansas City
- 2Connect DC10 Budapest
- 365 Data Centers Chicago (CH6) Chicago
- 365 Data Centers Detroit (DT1) Southfield
- 365 Data Centers New York (NY10) New York
- 365 Data Centers Philadelphia (PH2) Philadelphia
- 4 Data Center Katowice
- 43915 Devin Shafron Ashburn
- 75 Broad Street New York
- AINET - Beltsville Beltsville
- ANS - MAN4 Manchester
- ANS - MAN5 Manchester
- ANS - MAN6 Manchester
- AT TOKYO (CC1/CC2) Tokyo
- ATMAN Data Center Warsaw-2 (WAW-2, Konstruktorska 5) Warsaw
- Adam - MAD Alcalá de Henares
- Africa Data Centres, Johannesburg JHB1, South Africa Midrand
- AiNET MD-300L Baltimore
- AiNET WDC11 Laurel
- Aligned Dallas (DFW-01) Plano
- Aligned Phoenix (PHX-01) Phoenix
+793
AS topology · Customer cone 40,552
Peers · 93
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