AS174
Cogent Communications, LLC ISP registered in United States
2,420IPv4 prefixes
65IPv6 prefixes
21%RPKI-valid
#4AS Rank
#10Rank in United States
1996-05-16Allocated
Cogent Communications, LLC (AS174) — ISP, registered in United States. announces 2,420 IPv4 prefixes + 65 IPv6 prefixes. Rank in United States: #10. Allocated: 1996-05-16.
IPv4 2,420IPv6 65
Announced prefixes · 2,485
- v4 208.8.188.0/24 unknown
- v4 208.8.250.0/23 unknown
- v4 208.80.220.0/22 unknown
- v4 208.81.128.0/21 unknown
- v4 208.82.80.0/22 valid
- v4 208.87.19.0/24 unknown
- v4 209.10.119.0/24 unknown
- v4 209.105.132.0/23 unknown
- v4 209.107.195.0/24 valid
- v4 209.115.0.0/17 unknown
- v4 209.127.202.0/24 valid
- v4 209.137.176.0/24 valid
- v4 209.14.0.0/16 unknown
- v4 209.14.139.0/24 unknown
- v4 209.14.253.0/24 unknown
- v4 209.14.67.0/24 unknown
- v4 209.146.0.0/17 unknown
- v4 209.146.52.0/23 unknown
- v4 209.146.52.0/24 unknown
- v4 209.146.53.0/24 unknown
- v4 209.17.96.0/20 unknown
- v4 209.206.126.0/24 unknown
- v4 209.227.78.0/24 valid
- v4 209.227.79.0/24 valid
- v4 209.236.214.0/23 valid
- v4 209.236.217.0/24 valid
- v4 209.236.218.0/24 valid
- v4 209.39.20.0/24 valid
- v4 209.39.26.0/24 valid
- v4 209.41.192.0/18 unknown
- v4 209.44.64.0/19 unknown
- v4 209.51.94.0/24 unknown
- v4 209.61.0.0/17 unknown
- v4 209.70.240.0/24 valid
- v4 212.134.168.0/23 valid
- v4 212.135.192.0/22 valid
- v4 212.20.128.0/19 unknown
- v4 213.146.160.0/19 unknown
- v4 213.178.143.0/24 valid
- v4 213.206.128.0/19 unknown
- v4 216.131.104.0/24 valid
- v4 216.131.106.0/23 valid
- v4 216.151.240.0/20 valid
- v4 216.152.20.0/24 unknown
- v4 216.152.21.0/24 unknown
- v4 216.152.22.0/24 unknown
- v4 216.152.23.0/24 unknown
- v4 216.152.24.0/23 unknown
- v4 216.152.29.0/24 unknown
- v4 216.152.30.0/23 unknown
RPKI: rpki.cloudflare.com · 2026-06-22
— Routing status unavailable
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 |
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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