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 154.21.236.0/23 unknown
- v4 154.21.238.0/24 unknown
- v4 154.21.24.0/23 unknown
- v4 154.21.26.0/23 unknown
- v4 154.21.31.0/24 unknown
- v4 154.21.32.0/24 unknown
- v4 154.21.33.0/24 unknown
- v4 154.21.34.0/24 unknown
- v4 154.21.35.0/24 unknown
- v4 154.21.36.0/23 unknown
- v4 154.21.38.0/23 unknown
- v4 154.21.41.0/24 unknown
- v4 154.21.60.0/23 unknown
- v4 154.21.62.0/23 unknown
- v4 154.21.64.0/23 unknown
- v4 154.21.68.0/24 unknown
- v4 154.21.69.0/24 unknown
- v4 154.21.70.0/23 unknown
- v4 154.21.8.0/23 unknown
- v4 154.21.96.0/23 unknown
- v4 154.21.98.0/24 unknown
- v4 154.214.0.0/24 valid
- v4 154.22.0.0/15 unknown
- v4 154.22.128.0/23 unknown
- v4 154.22.132.0/23 unknown
- v4 154.22.134.0/23 unknown
- v4 154.22.136.0/24 unknown
- v4 154.22.139.0/24 unknown
- v4 154.22.19.0/24 unknown
- v4 154.22.4.0/24 unknown
- v4 154.22.6.0/23 unknown
- v4 154.24.0.0/13 unknown
- v4 154.28.130.0/23 unknown
- v4 154.28.136.0/23 unknown
- v4 154.28.138.0/23 unknown
- v4 154.28.147.0/24 unknown
- v4 154.28.149.0/24 unknown
- v4 154.28.151.0/24 unknown
- v4 154.28.152.0/23 unknown
- v4 154.28.154.0/23 unknown
- v4 154.28.156.0/24 unknown
- v4 154.28.2.0/23 unknown
- v4 154.28.6.0/23 unknown
- v4 154.28.67.0/24 unknown
- v4 154.29.136.0/23 unknown
- v4 154.29.138.0/23 unknown
- v4 154.29.142.0/23 unknown
- v4 154.29.152.0/21 unknown
- v4 154.29.175.0/24 unknown
- v4 154.29.2.0/24 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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