ResearchIRR · TC

AS273481:AS-UPSTREAMS as-set containing AS273481 upstream providers

An as-set registered in TC, maintained by MAINT-AS273481. It names 2 ASes and 0 sets directly; followed all the way down, it reaches 2 ASes through 0 nested sets.

Members

What AS273481:AS-UPSTREAMS lists

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

AS266228 AS266228AS271201 AS271201
Expanded

Every AS it reaches

What a filter built from AS273481:AS-UPSTREAMS would let in: 2 ASes.

Show the 2 ASes
AS266228AS271201
Prefixes

What AS273481: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 AS273481:AS-UPSTREAMS (with bgpq4, say) would allow. 21 IPv4 and 8 IPv6. Every one is in the IRR API.

21 IPv4 prefixes
179.49.184.0/22179.49.184.0/23179.49.184.0/24179.49.185.0/24179.49.186.0/23179.49.186.0/24179.49.187.0/24181.224.76.0/22181.224.76.0/23181.224.76.0/24181.224.77.0/24181.224.78.0/23181.224.78.0/24181.224.79.0/24192.140.48.0/22192.140.48.0/23192.140.48.0/24192.140.49.0/24192.140.50.0/23192.140.50.0/24192.140.51.0/24
8 IPv6 prefixes
2804:3cac::/322804:77d0:4000::/342804:77d0:8000::/332804:77d0:8000::/342804:77d0::/322804:77d0::/332804:77d0::/342804:77d0:c000::/34
Registries

Each registry’s copy

TC2 membersas-set containing AS273481 upstream providers
Maintained byMAINT-AS273481
Last modified2026-01-24T13:56:20Z
MembersAS271201 AS266228
mbrs-by-refN
Tools

Check AS273481:AS-UPSTREAMS live

IRR API, with prefixes