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 38.207.145.0/24 unknown
- v4 38.207.148.0/24 unknown
- v4 38.207.149.0/24 unknown
- v4 38.207.150.0/24 unknown
- v4 38.207.151.0/24 unknown
- v4 38.207.152.0/24 unknown
- v4 38.207.153.0/24 unknown
- v4 38.207.154.0/24 unknown
- v4 38.207.155.0/24 unknown
- v4 38.207.156.0/24 unknown
- v4 38.207.157.0/24 unknown
- v4 38.207.158.0/24 unknown
- v4 38.207.159.0/24 unknown
- v4 38.21.64.0/24 unknown
- v4 38.21.65.0/24 unknown
- v4 38.21.66.0/24 unknown
- v4 38.21.67.0/24 unknown
- v4 38.210.112.0/24 unknown
- v4 38.210.113.0/24 unknown
- v4 38.210.114.0/24 unknown
- v4 38.210.115.0/24 unknown
- v4 38.210.119.0/24 unknown
- v4 38.210.12.0/22 unknown
- v4 38.210.12.0/24 unknown
- v4 38.210.120.0/23 unknown
- v4 38.210.120.0/24 unknown
- v4 38.210.121.0/24 unknown
- v4 38.210.13.0/24 unknown
- v4 38.210.14.0/24 unknown
- v4 38.210.15.0/24 unknown
- v4 38.210.192.0/24 unknown
- v4 38.210.193.0/24 unknown
- v4 38.210.194.0/24 unknown
- v4 38.210.195.0/24 unknown
- v4 38.210.196.0/24 unknown
- v4 38.210.197.0/24 unknown
- v4 38.210.198.0/24 unknown
- v4 38.210.199.0/24 unknown
- v4 38.210.248.0/23 unknown
- v4 38.210.248.0/24 unknown
- v4 38.210.249.0/24 unknown
- v4 38.211.125.0/24 unknown
- v4 38.211.251.0/24 invalid
- v4 38.211.33.0/24 unknown
- v4 38.211.50.0/24 unknown
- v4 38.22.124.0/24 unknown
- v4 38.22.125.0/24 unknown
- v4 38.22.126.0/24 unknown
- v4 38.22.127.0/24 unknown
- v4 38.22.176.0/24 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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