ResearchIRR · TC

AS273731:AS-UPSTREAMS as-set containing AS273731 upstream providers

An as-set registered in TC, maintained by MAINT-AS273731. It names 3 ASes and 0 sets directly; followed all the way down, it reaches 3 ASes through 0 nested sets.

Members

What AS273731:AS-UPSTREAMS lists

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

AS53107 AS53107AS264491 AS264491AS268235 AS268235
Expanded

Every AS it reaches

What a filter built from AS273731:AS-UPSTREAMS would let in: 3 ASes.

Show the 3 ASes
AS53107AS264491AS268235
Prefixes

What AS273731:AS-UPSTREAMS covers

Every route object in the IRR whose origin is one of the 3 ASes it reaches: the prefixes a filter built from AS273731:AS-UPSTREAMS (with bgpq4, say) would allow. 195 IPv4 and 29 IPv6. Every one is in the IRR API.

195 IPv4 prefixes
102.135.17.0/24131.100.228.0/22131.100.24.0/22131.100.24.0/23131.100.27.0/24131.255.176.0/22131.255.176.0/23131.255.176.0/24131.255.177.0/24131.255.178.0/23131.255.178.0/24131.255.179.0/24138.59.144.0/22138.97.104.0/2214.102.230.0/24141.11.128.0/23141.11.128.0/24141.11.129.0/24141.11.72.0/23141.11.72.0/24141.11.73.0/24143.137.188.0/23143.137.188.0/24143.137.189.0/24143.14.244.0/24144.225.139.0/24144.31.32.0/24145.14.134.0/24149.18.50.0/23151.242.142.0/24151.244.117.0/24151.244.141.0/24151.245.229.0/24151.246.233.0/24157.254.224.0/24158.173.2.0/24168.195.12.0/22168.195.12.0/23168.195.12.0/24168.195.13.0/24170.247.252.0/22170.247.252.0/23170.247.252.0/24170.247.253.0/24170.247.254.0/23170.247.254.0/24170.247.255.0/24177.104.128.0/19177.104.146.0/24177.104.147.0/24177.104.156.0/24177.104.159.0/24177.104.160.0/20177.104.176.0/20177.104.176.0/21177.104.176.0/22177.104.176.0/23177.104.176.0/24177.104.177.0/24177.104.186.0/24177.104.187.0/24177.104.191.0/24177.136.224.0/19177.136.232.0/23177.136.232.0/24177.136.233.0/24177.136.234.0/23177.136.234.0/24177.136.235.0/24177.136.239.0/24177.136.255.0/24177.137.31.0/24177.53.148.0/22177.84.192.0/24177.84.194.0/24177.93.104.0/21177.93.104.0/22177.93.104.0/23177.93.104.0/24177.93.105.0/24177.93.106.0/23177.93.106.0/24177.93.107.0/24177.93.108.0/22177.93.108.0/23177.93.108.0/24177.93.109.0/24177.93.110.0/23177.93.110.0/24177.93.111.0/24178.255.219.0/24178.92.192.0/24178.92.204.0/24178.95.26.0/24181.191.208.0/22185.100.215.0/24185.225.22.0/24185.47.143.0/24186.194.48.0/21186.194.48.0/24186.194.50.0/24186.194.52.0/24186.209.112.0/21186.216.55.0/24186.232.80.0/22186.232.80.0/23186.232.82.0/23187.108.192.0/20187.108.192.0/21187.108.192.0/22187.108.192.0/23187.108.192.0/24187.108.193.0/24187.108.194.0/23187.108.194.0/24187.108.195.0/24187.108.196.0/22187.108.196.0/23187.108.196.0/24187.108.197.0/24187.108.198.0/23187.108.198.0/24187.108.199.0/24187.108.200.0/21187.108.200.0/22187.108.200.0/23187.108.200.0/24187.108.201.0/24187.108.202.0/23187.108.202.0/24187.108.203.0/24187.108.204.0/22187.108.204.0/23187.108.204.0/24187.108.205.0/24187.108.206.0/23187.108.206.0/24187.108.207.0/24187.110.160.0/20187.110.164.0/23187.110.164.0/24187.110.165.0/24187.110.166.0/23187.110.172.0/24191.253.80.0/20191.253.80.0/23191.253.80.0/24191.253.81.0/24193.46.241.0/24204.157.108.0/22204.157.108.0/23204.157.108.0/24204.157.109.0/24204.157.110.0/24204.157.111.0/24209.61.36.0/2238.20.0.0/2338.210.208.0/2238.210.208.0/2338.210.208.0/2438.210.209.0/2438.210.210.0/2338.210.210.0/2438.210.211.0/2438.210.212.0/2338.211.128.0/2238.211.128.0/2338.211.128.0/2438.211.129.0/2438.211.130.0/2338.211.130.0/2438.211.131.0/2438.225.221.0/2438.225.252.0/2338.255.122.0/2338.51.134.0/2338.51.134.0/2438.51.135.0/2438.52.128.0/2338.52.128.0/2438.52.129.0/2445.139.208.0/2345.148.96.0/2445.171.189.0/2445.225.81.0/2445.236.116.0/2245.236.116.0/2345.236.116.0/2445.236.117.0/2445.236.118.0/2345.236.118.0/2445.236.119.0/2477.83.252.0/2482.118.233.0/2491.196.71.0/24
29 IPv6 prefixes
2804:164:d400::/402804:1740:100::/482804:1740:110::/482804:1740:111::/482804:1740:112::/482804:1740::/322804:2074::/322804:4e08:1000::/362804:4e08:2000::/362804:4e08:2000::/482804:4e08:3000::/362804:4e08:4000::/362804:4e08:5000::/362804:4e08:6000::/362804:4e08:7000::/362804:4e08:8000::/362804:4e08:9000::/362804:4e08::/322804:4e08::/362804:4e08:a000::/362804:4e08:b000::/362804:4e08:c000::/362804:4e08:d000::/362804:4e08:e000::/362804:4e08:f000::/362804:644:5::/482804:684:1::/482804:684::/482804:7b88:1::/48
Registries

Each registry’s copy

TC3 membersas-set containing AS273731 upstream providers
Maintained byMAINT-AS273731
Last modified2026-03-31T18:29:17Z
MembersAS264491 AS268235 AS53107
mbrs-by-refN
Tools

Check AS273731:AS-UPSTREAMS live

IRR API, with prefixes