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 23.142.100.0/24 valid
- v4 23.144.28.0/24 valid
- v4 23.144.60.0/24 valid
- v4 23.146.116.0/24 valid
- v4 23.146.76.0/24 valid
- v4 23.148.116.0/24 valid
- v4 23.148.124.0/24 valid
- v4 23.148.164.0/24 valid
- v4 23.148.44.0/24 valid
- v4 23.148.60.0/24 valid
- v4 23.148.68.0/24 valid
- v4 23.148.92.0/24 valid
- v4 23.151.196.0/24 valid
- v4 23.161.96.0/24 unknown
- v4 23.237.93.0/24 unknown
- v4 23.26.130.0/24 valid
- v4 37.34.88.0/21 valid
- v4 37.49.150.0/24 valid
- v4 38.0.0.0/8 unknown
- v4 38.10.136.0/23 unknown
- v4 38.10.136.0/24 unknown
- v4 38.10.137.0/24 unknown
- v4 38.10.150.0/23 unknown
- v4 38.10.182.0/23 unknown
- v4 38.10.182.0/24 unknown
- v4 38.10.183.0/24 unknown
- v4 38.100.23.0/24 unknown
- v4 38.101.209.0/24 unknown
- v4 38.102.228.0/24 unknown
- v4 38.102.230.0/24 unknown
- v4 38.102.231.0/24 unknown
- v4 38.102.237.0/24 unknown
- v4 38.103.161.0/24 unknown
- v4 38.105.3.0/24 unknown
- v4 38.108.109.0/24 unknown
- v4 38.108.93.0/24 invalid
- v4 38.111.17.0/24 unknown
- v4 38.113.167.0/24 unknown
- v4 38.121.118.0/24 unknown
- v4 38.130.138.0/24 unknown
- v4 38.130.139.0/24 unknown
- v4 38.130.140.0/24 unknown
- v4 38.131.151.0/24 unknown
- v4 38.131.152.0/24 unknown
- v4 38.131.153.0/24 unknown
- v4 38.131.154.0/24 unknown
- v4 38.131.156.0/24 unknown
- v4 38.131.240.0/24 unknown
- v4 38.132.212.0/24 unknown
- v4 38.133.120.0/24 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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