ResearchIRR · TC

AS263291:AS-UPSTREAMS as-set containing AS263291 upstream providers

An as-set registered in TC, maintained by MAINT-AS263291. It names 2 ASes and 0 sets directly; followed all the way down, it reaches 2 ASes through 0 nested sets.

Members

What AS263291:AS-UPSTREAMS lists

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

AS262668 AS262668AS263903 AS263903
Expanded

Every AS it reaches

What a filter built from AS263291:AS-UPSTREAMS would let in: 2 ASes.

Show the 2 ASes
AS262668AS263903
Prefixes

What AS263291: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 AS263291:AS-UPSTREAMS (with bgpq4, say) would allow. 35 IPv4 and 11 IPv6. Every one is in the IRR API.

35 IPv4 prefixes
138.204.140.0/22138.204.140.0/23138.204.140.0/24138.204.141.0/24138.204.142.0/23138.204.142.0/24138.204.143.0/24149.78.176.0/21149.78.176.0/23149.78.178.0/23149.78.179.0/24149.78.180.0/23149.78.182.0/23170.247.112.0/22170.247.112.0/23170.247.112.0/24170.247.113.0/24170.247.114.0/23170.247.114.0/24170.247.115.0/24177.101.176.0/20187.49.172.0/22187.49.172.0/23187.49.172.0/24187.49.173.0/24187.49.174.0/23187.49.174.0/24187.49.175.0/24187.73.48.0/20187.73.54.0/23187.73.57.0/24191.128.0.0/20191.128.0.0/22191.128.0.0/23191.128.2.0/23
11 IPv6 prefixes
2804:2778:2000::/352804:2778:2000::/362804:2778:3000::/362804:2778:5000::/362804:2778:8000::/362804:2778:8f00::/402804:2778:9000::/362804:2778::/322804:2778::/352804:2778::/362804:70c::/32
Registries

Each registry’s copy

TC2 membersas-set containing AS263291 upstream providers
Maintained byMAINT-AS263291
Last modified2026-05-08T19:11:31Z
MembersAS262668 AS263903
mbrs-by-refN
Tools

Check AS263291:AS-UPSTREAMS live

IRR API, with prefixes