ResearchIRR · TC

AS273785:AS-UPSTREAMS as-set containing AS273785 upstream providers

An as-set registered in TC, maintained by MAINT-AS273785. It names 2 ASes and 0 sets directly; followed all the way down, it reaches 2 ASes through 0 nested sets.

Members

What AS273785:AS-UPSTREAMS lists

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

AS262355 AS262355AS262821 AS262821
Expanded

Every AS it reaches

What a filter built from AS273785:AS-UPSTREAMS would let in: 2 ASes.

Show the 2 ASes
AS262355AS262821
Prefixes

What AS273785:AS-UPSTREAMS covers

Every route object in the IRR whose origin is one of the 2 ASes it reaches: the prefixes a filter built from AS273785:AS-UPSTREAMS (with bgpq4, say) would allow. 80 IPv4 and 2 IPv6. Every one is in the IRR API.

80 IPv4 prefixes
131.161.72.0/22131.161.72.0/23131.161.72.0/24131.161.73.0/24131.161.74.0/23131.161.74.0/24131.161.75.0/24138.94.100.0/22138.94.100.0/23138.94.100.0/24138.94.102.0/23177.125.216.0/22177.125.216.0/23177.125.216.0/24177.125.217.0/24177.125.218.0/23177.125.218.0/24177.125.219.0/24177.91.172.0/22177.91.172.0/23177.91.172.0/24177.91.173.0/24177.91.174.0/23177.91.174.0/24177.91.175.0/24186.195.112.0/20186.195.112.0/21186.195.112.0/22186.195.112.0/23186.195.112.0/24186.195.113.0/24186.195.114.0/23186.195.114.0/24186.195.115.0/24186.195.116.0/22186.195.116.0/23186.195.116.0/24186.195.117.0/24186.195.118.0/23186.195.118.0/24186.195.119.0/24186.195.120.0/21186.195.120.0/22186.195.120.0/23186.195.120.0/24186.195.121.0/24186.195.122.0/23186.195.122.0/24186.195.123.0/24186.195.124.0/22186.195.124.0/23186.195.124.0/24186.195.125.0/24186.195.126.0/23186.195.126.0/24186.195.127.0/24186.233.188.0/22186.233.188.0/23186.233.188.0/24186.233.189.0/24186.233.190.0/23186.233.190.0/24186.233.191.0/24186.250.232.0/22186.250.232.0/23186.250.232.0/24186.250.233.0/24186.250.234.0/23186.250.234.0/24186.250.235.0/24186.250.236.0/22186.250.236.0/23186.250.238.0/23186.251.104.0/22186.251.104.0/23186.251.104.0/24186.251.105.0/24186.251.106.0/23186.251.106.0/24186.251.107.0/24
2 IPv6 prefixes
2804:54b4::/322804:82c::/32
Registries

Each registry’s copy

TC2 membersas-set containing AS273785 upstream providers
Maintained byMAINT-AS273785
Last modified2026-06-18T06:14:37Z
MembersAS262355 AS262821
mbrs-by-refN
Tools

Check AS273785:AS-UPSTREAMS live

IRR API, with prefixes