ResearchIRR · TC

AS273727:AS-UPSTREAMS as-set containing AS273727 upstream providers

An as-set registered in TC, maintained by MAINT-AS273727. It names 2 ASes and 0 sets directly; followed all the way down, it reaches 2 ASes through 0 nested sets.

Members

What AS273727:AS-UPSTREAMS lists

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

AS262503 AS262503AS265269 AS265269
Expanded

Every AS it reaches

What a filter built from AS273727:AS-UPSTREAMS would let in: 2 ASes.

Show the 2 ASes
AS262503AS265269
Prefixes

What AS273727: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 AS273727:AS-UPSTREAMS (with bgpq4, say) would allow. 46 IPv4 and 13 IPv6. Every one is in the IRR API.

46 IPv4 prefixes
167.249.168.0/22167.249.168.0/24167.249.169.0/24167.249.170.0/24167.249.171.0/24168.90.88.0/22168.90.88.0/23168.90.88.0/24168.90.89.0/24168.90.90.0/23168.90.90.0/24168.90.91.0/24170.78.24.0/23177.66.192.0/22177.66.192.0/24177.66.193.0/24177.66.194.0/24177.66.195.0/24177.91.52.0/22177.91.52.0/24177.91.53.0/24177.91.54.0/24177.91.55.0/24205.164.232.0/21205.164.232.0/24205.164.233.0/24205.164.234.0/24205.164.235.0/24205.164.236.0/24205.164.237.0/24205.164.238.0/24205.164.239.0/2438.236.72.0/2138.236.72.0/2445.170.148.0/2245.170.148.0/2345.170.148.0/2445.170.149.0/2445.170.150.0/2345.170.150.0/2445.170.151.0/2445.181.228.0/2245.181.228.0/2445.181.229.0/2445.181.230.0/2445.181.231.0/24
13 IPv6 prefixes
2804:2be0:7100::/402804:2be0::/322804:2d40:2080::/412804:2d40:3000::/402804:2d40:3017::/482804:2d40:301f::/482804:2d40:4000::/342804:2d40:8000::/332804:2d40:8000::/342804:2d40::/322804:2d40::/332804:2d40::/342804:2d40:c000::/34
Registries

Each registry’s copy

TC2 membersas-set containing AS273727 upstream providers
Maintained byMAINT-AS273727
Last modified2026-10-08T12:38:13Z
MembersAS265269 AS262503
mbrs-by-refN
Tools

Check AS273727:AS-UPSTREAMS live

IRR API, with prefixes