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 199.164.191.0/24 valid
- v4 199.164.26.0/24 unknown
- v4 199.2.102.0/24 unknown
- v4 199.20.54.0/24 unknown
- v4 199.249.170.0/23 unknown
- v4 199.249.188.0/24 unknown
- v4 199.254.0.0/24 unknown
- v4 199.254.1.0/24 unknown
- v4 199.254.6.0/24 unknown
- v4 199.254.7.0/24 unknown
- v4 199.29.0.0/16 unknown
- v4 199.29.143.0/24 unknown
- v4 199.3.194.0/24 unknown
- v4 199.33.161.0/24 unknown
- v4 199.4.110.0/24 valid
- v4 199.48.182.0/24 valid
- v4 199.58.206.0/24 unknown
- v4 199.89.2.0/24 valid
- v4 199.89.3.0/24 valid
- v4 199.97.0.0/16 unknown
- v4 199.98.0.0/15 unknown
- v4 2.58.4.0/22 unknown
- v4 203.185.184.0/22 unknown
- v4 203.222.160.0/19 unknown
- v4 203.222.32.0/19 unknown
- v4 203.98.192.0/19 unknown
- v4 204.11.144.0/22 valid
- v4 204.117.0.0/16 unknown
- v4 204.118.0.0/15 unknown
- v4 204.118.31.0/24 unknown
- v4 204.120.0.0/16 unknown
- v4 204.120.173.0/24 unknown
- v4 204.122.9.0/24 unknown
- v4 204.126.99.0/24 unknown
- v4 204.137.128.0/24 unknown
- v4 204.137.129.0/24 unknown
- v4 204.137.130.0/24 unknown
- v4 204.137.131.0/24 unknown
- v4 204.137.132.0/24 unknown
- v4 204.137.133.0/24 unknown
- v4 204.137.134.0/24 unknown
- v4 204.137.135.0/24 unknown
- v4 204.137.136.0/24 unknown
- v4 204.137.137.0/24 unknown
- v4 204.137.138.0/24 unknown
- v4 204.137.139.0/24 unknown
- v4 204.137.140.0/24 unknown
- v4 204.137.141.0/24 unknown
- v4 204.137.142.0/24 unknown
- v4 204.137.143.0/24 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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