ResearchIRR · TC

AS270581:AS-UPSTREAMS as-set containing AS270581 upstream providers

An as-set registered in TC, maintained by MAINT-AS270581. It names 4 ASes and 0 sets directly; followed all the way down, it reaches 4 ASes through 0 nested sets.

What AS270581:AS-UPSTREAMS lists

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

Every AS it reaches

What a filter built from AS270581:AS-UPSTREAMS would let in: 4 ASes.

Show the 4 ASes

What AS270581:AS-UPSTREAMS covers

Every route object in the IRR whose origin is one of the 4 ASes it reaches: the prefixes a filter built from AS270581:AS-UPSTREAMS (with bgpq4, say) would allow. 172 IPv4 and 34 IPv6. Every one is in the IRR API.

172 IPv4 prefixes
131.0.200.0/22131.161.164.0/22138.118.96.0/22138.204.88.0/22138.204.88.0/23138.204.90.0/23138.255.68.0/22143.137.88.0/22143.255.224.0/22143.255.224.0/23143.255.224.0/24143.255.226.0/23143.255.232.0/22168.121.64.0/22168.196.28.0/22168.227.32.0/22170.231.104.0/22170.238.48.0/22170.244.252.0/22170.79.208.0/22170.83.120.0/22170.83.140.0/22170.83.140.0/23170.83.142.0/23170.84.32.0/22177.125.200.0/22177.126.96.0/20177.131.64.0/19177.131.64.0/20177.131.80.0/20177.221.142.0/23177.221.142.0/24177.221.143.0/24177.52.0.0/21177.52.8.0/21177.69.0.0/16179.108.176.0/21179.108.96.0/19179.125.128.0/17179.125.128.0/20179.125.144.0/20179.125.160.0/20179.125.176.0/20179.125.192.0/20179.125.208.0/20179.125.224.0/20179.125.240.0/20186.195.208.0/20186.209.64.0/20186.211.16.0/20186.237.192.0/21186.249.128.0/19186.249.128.0/20186.249.144.0/20186.251.224.0/22187.32.0.0/16187.44.112.0/20187.44.96.0/20187.72.0.0/16187.94.160.0/20187.94.160.0/21187.94.168.0/21187.94.176.0/20187.94.176.0/21187.94.184.0/21187.95.160.0/20187.95.160.0/21187.95.160.0/22187.95.164.0/22187.95.168.0/21187.95.168.0/22187.95.172.0/22189.112.0.0/16189.124.32.0/20189.124.32.0/21189.124.40.0/21189.124.64.0/20189.124.64.0/21189.124.72.0/21189.36.224.0/20189.37.0.0/17189.38.96.0/20189.39.0.0/18189.41.0.0/20189.41.112.0/20189.41.128.0/20189.41.144.0/20189.41.16.0/20189.41.160.0/20189.41.176.0/20189.41.192.0/20189.41.208.0/20189.41.224.0/20189.41.240.0/20189.41.32.0/20189.41.48.0/20189.41.64.0/20189.41.80.0/20189.41.96.0/20190.83.84.0/22190.83.84.0/23190.83.84.0/24190.83.85.0/24190.83.86.0/23190.83.86.0/24190.83.87.0/24191.243.248.0/21191.253.32.0/21191.253.32.0/22191.253.36.0/22200.146.192.0/18200.160.112.0/20200.170.128.0/18200.170.128.0/21200.170.136.0/21200.170.144.0/21200.170.152.0/21200.170.160.0/21200.170.168.0/21200.170.176.0/21200.170.184.0/21200.187.160.0/20200.187.176.0/20200.225.192.0/18200.225.192.0/21200.225.200.0/21200.225.208.0/21200.225.212.0/22200.225.216.0/21200.225.224.0/21200.225.232.0/21200.225.240.0/21200.225.248.0/21200.233.128.0/18200.233.192.0/18200.236.192.0/20200.236.192.0/21200.236.200.0/21200.236.224.0/19200.236.224.0/20200.236.240.0/20201.16.128.0/18201.16.128.0/20201.16.144.0/21201.16.152.0/22201.16.156.0/24201.16.158.0/23201.16.160.0/19201.16.192.0/18201.33.192.0/20201.33.64.0/20201.48.0.0/17201.48.128.0/17201.49.96.0/19201.55.96.0/19201.77.112.0/20201.77.112.0/21201.77.120.0/21201.77.176.0/20201.77.176.0/21201.77.176.0/24201.77.182.0/23201.77.184.0/22201.77.184.0/23201.77.188.0/22201.77.188.0/24201.77.189.0/24201.77.190.0/24201.77.191.0/2445.175.112.0/2245.180.212.0/2245.6.148.0/22
34 IPv6 prefixes

Each registry’s copy

TC4 membersas-set containing AS270581 upstream providers
Maintained byMAINT-AS270581
Last modified2025-11-06T14:12:17Z
MembersAS28649 AS270340 AS16735 AS270735
mbrs-by-refN

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