ResearchIRR · RADB

AS174:AS-COGC-004 Cogent Communications Transit Customers

An as-set registered in RADB, maintained by MAINT-AS174. It names 3 ASes and 0 sets directly; followed all the way down, it reaches 3 ASes through 0 nested sets.

Members

What AS174:AS-COGC-004 lists

3 ASes and 0 sets, written in the object across every registry that holds it. Sets open their own page.

AS13287 NIXVALAS13326 TUFTS-UNIVERSITYAS13597 CMSI
Expanded

Every AS it reaches

What a filter built from AS174:AS-COGC-004 would let in: 3 ASes.

Show the 3 ASes
AS13287AS13326AS13597
Prefixes

What AS174:AS-COGC-004 covers

Every route object in the IRR whose origin is one of the 3 ASes it reaches: the prefixes a filter built from AS174:AS-COGC-004 (with bgpq4, say) would allow. 92 IPv4 and 10 IPv6. Every one is in the IRR API.

92 IPv4 prefixes
109.234.80.0/23109.234.81.0/24109.234.82.0/23109.234.82.0/24109.234.83.0/24109.234.84.0/24109.234.85.0/24109.234.86.0/23109.234.86.0/24109.234.87.0/24130.64.0.0/16130.64.111.0/24130.64.112.0/24130.64.156.0/24130.64.19.0/24130.64.212.0/24130.64.213.0/24130.64.25.0/24130.78.16.0/24153.92.42.0/24155.133.195.0/24178.255.224.0/24178.255.225.0/24178.255.226.0/24178.255.227.0/24178.255.228.0/24178.255.229.0/24178.255.230.0/24178.255.231.0/24185.104.62.0/24185.111.184.0/22185.111.184.0/24185.111.185.0/24185.111.186.0/24185.111.187.0/24185.127.128.0/24185.127.130.0/24185.127.131.0/24185.19.68.0/22185.19.68.0/24185.19.69.0/24185.19.70.0/24185.19.71.0/24185.33.64.0/24185.33.65.0/24185.33.66.0/24185.33.67.0/24188.130.183.0/24191.101.36.0/24213.162.192.0/24213.162.193.0/24213.162.194.0/24213.162.195.0/24213.162.196.0/22213.162.196.0/24213.162.197.0/24213.162.198.0/24213.162.199.0/24213.162.200.0/22213.162.200.0/24213.162.201.0/24213.162.202.0/24213.162.203.0/24213.162.205.0/24213.162.206.0/24213.162.207.0/24213.162.208.0/23213.162.208.0/24213.162.209.0/24213.162.210.0/24213.162.211.0/24213.162.212.0/22213.162.212.0/24213.162.213.0/24213.162.214.0/24213.162.215.0/24213.162.216.0/22213.162.216.0/24213.162.217.0/24213.162.218.0/24213.162.219.0/24213.162.220.0/24213.162.221.0/24213.162.222.0/24213.162.223.0/24216.41.238.0/23216.41.238.0/24216.41.239.0/2438.97.110.208/2989.28.201.0/2489.44.33.0/2491.211.144.0/24
10 IPv6 prefixes
2607:f570::/322a00:a220:8000::/332a00:a220::/322a00:a220::/332a00:be60::/322a02:23a0::/322a06:c980::/292a0d:9843::/482a10:a340:3::/482a13:9500:c5::/48
Registries

Each registry’s copy

RADB3 membersCogent Communications Transit Customers
Maintained byMAINT-AS174
Last modified2026-01-26T16:19:19Z
MembersAS13287 AS13326 AS13597
mbrs-by-refN
Used by

Sets that include AS174:AS-COGC-004

AS174:AS-COGENT
Tools

Check AS174:AS-COGC-004 live

IRR API, with prefixes