ResearchIRR · TC

AS61583:AS-UPSTREAMS as-set containing AS61583 upstream providers

An as-set registered in TC, maintained by MAINT-AS61583. It names 2 ASes and 0 sets directly; followed all the way down, it reaches 2 ASes through 0 nested sets.

Members

What AS61583:AS-UPSTREAMS lists

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

AS263009 AS263009AS268696 AS268696
Expanded

Every AS it reaches

What a filter built from AS61583:AS-UPSTREAMS would let in: 2 ASes.

Show the 2 ASes
AS263009AS268696
Prefixes

What AS61583: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 AS61583:AS-UPSTREAMS (with bgpq4, say) would allow. 26 IPv4 and 2 IPv6. Every one is in the IRR API.

26 IPv4 prefixes
170.84.52.0/22186.192.48.0/20186.237.48.0/21186.237.48.0/23186.237.48.0/24186.237.49.0/24187.63.102.0/23187.63.104.0/23187.63.106.0/24187.63.96.0/20201.159.164.0/22201.159.164.0/23201.159.165.0/2438.250.240.0/2238.250.240.0/2338.250.240.0/2438.250.241.0/2438.250.242.0/2338.250.242.0/2438.250.243.0/2445.165.244.0/2245.165.244.0/2345.165.244.0/2445.165.245.0/2445.165.246.0/2445.165.247.0/24
2 IPv6 prefixes
2804:30fc::/322804:5534::/32
Registries

Each registry’s copy

TC2 membersas-set containing AS61583 upstream providers
Maintained byMAINT-AS61583
Last modified2026-01-13T14:24:18Z
MembersAS263009 AS268696
mbrs-by-refN
Tools

Check AS61583:AS-UPSTREAMS live

IRR API, with prefixes