AS174
Cogent Communications, LLC ISP registered in United States
2,419IPv4 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 2,419 IPv4 prefixes + 65 IPv6 prefixes. Rank in United States: #10. Allocated: 1996-05-16.
IPv4 2,419IPv6 65
Announced prefixes · 2,484
- v4 154.3.0.0/16 unknown
- v4 154.3.132.0/24 unknown
- v4 154.3.133.0/24 unknown
- v4 154.3.135.0/24 unknown
- v4 154.3.136.0/21 unknown
- v4 154.3.144.0/21 unknown
- v4 154.3.152.0/21 unknown
- v4 154.3.160.0/21 unknown
- v4 154.3.171.0/24 unknown
- v4 154.3.176.0/21 unknown
- v4 154.3.20.0/24 unknown
- v4 154.3.21.0/24 unknown
- v4 154.3.22.0/24 unknown
- v4 154.3.220.0/23 unknown
- v4 154.3.225.0/24 unknown
- v4 154.3.23.0/24 unknown
- v4 154.3.232.0/23 unknown
- v4 154.3.234.0/23 unknown
- v4 154.3.24.0/24 unknown
- v4 154.3.249.0/24 unknown
- v4 154.3.25.0/24 unknown
- v4 154.3.250.0/23 unknown
- v4 154.3.252.0/23 unknown
- v4 154.3.26.0/24 unknown
- v4 154.3.31.0/24 unknown
- v4 154.3.41.0/24 unknown
- v4 154.3.46.0/24 unknown
- v4 154.3.52.0/23 unknown
- v4 154.3.54.0/23 unknown
- v4 154.3.60.0/24 unknown
- v4 154.3.62.0/24 unknown
- v4 154.3.63.0/24 unknown
- v4 154.3.78.0/23 unknown
- v4 154.3.78.0/24 unknown
- v4 154.3.79.0/24 unknown
- v4 154.3.80.0/23 unknown
- v4 154.3.82.0/23 unknown
- v4 154.3.84.0/23 unknown
- v4 154.3.86.0/23 unknown
- v4 154.30.0.0/24 unknown
- v4 154.30.128.0/23 unknown
- v4 154.30.130.0/23 unknown
- v4 154.30.140.0/23 unknown
- v4 154.30.144.0/23 unknown
- v4 154.30.186.0/23 unknown
- v4 154.30.34.0/23 unknown
- v4 154.30.36.0/23 unknown
- v4 154.30.38.0/23 unknown
- v4 154.36.0.0/14 unknown
- v4 154.36.128.0/19 unknown
RPKI: rpki.cloudflare.com · 2026-06-20
— 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 |
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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