ResearchIRR · TC

AS274621:AS-UPSTREAMS as-set containing AS274621 upstream providers

An as-set registered in TC, maintained by MAINT-AS274621. It names 2 ASes and 0 sets directly; followed all the way down, it reaches 2 ASes through 0 nested sets.

Members

What AS274621:AS-UPSTREAMS lists

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

AS263629 AS263629AS266214 AS266214
Expanded

Every AS it reaches

What a filter built from AS274621:AS-UPSTREAMS would let in: 2 ASes.

Show the 2 ASes
AS263629AS266214
Prefixes

What AS274621: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 AS274621:AS-UPSTREAMS (with bgpq4, say) would allow. 36 IPv4 and 50 IPv6. Every one is in the IRR API.

36 IPv4 prefixes
138.0.248.0/22138.0.248.0/23138.0.248.0/24138.0.249.0/24138.0.250.0/23138.0.250.0/24138.0.251.0/24170.0.40.0/22170.0.40.0/23170.0.40.0/24170.0.41.0/24170.0.42.0/23170.0.42.0/24170.0.43.0/24179.125.40.0/21179.125.40.0/22179.125.40.0/23179.125.40.0/24179.125.41.0/24179.125.42.0/23179.125.42.0/24179.125.43.0/24179.125.44.0/22179.125.44.0/23179.125.44.0/24179.125.45.0/24179.125.46.0/23179.125.46.0/24179.125.47.0/24190.123.204.0/22190.123.204.0/23190.123.204.0/24190.123.205.0/24190.123.206.0/23190.123.206.0/24190.123.207.0/24
50 IPv6 prefixes
2804:104c:2000::/402804:104c:2200::/402804:104c:2400::/402804:104c:2800::/402804:104c:2a00::/402804:104c:2c00::/402804:104c:400::/402804:104c:4200::/402804:104c:4400::/402804:104c:4800::/402804:104c:4c00::/402804:104c:6000::/402804:104c:6400::/402804:104c:6800::/402804:104c:800::/402804:104c:8400::/402804:104c:8800::/402804:104c:8c00::/402804:104c::/322804:104c::/402804:104c:a000::/402804:104c:a800::/402804:104c:c000::/402804:104c:c800::/402804:104c:e000::/402804:104c:e200::/402804:104c:e400::/402804:104c:e800::/402804:104c:ec00::/402804:104c:f800::/402804:3c78:1000::/362804:3c78:2000::/362804:3c78:3000::/362804:3c78:4000::/362804:3c78:5000::/362804:3c78:6000::/362804:3c78:7000::/362804:3c78:8000::/332804:3c78:8000::/362804:3c78:9000::/362804:3c78::/322804:3c78::/362804:3c78::/482804:3c78:a000::/362804:3c78:b000::/362804:3c78:c000::/362804:3c78:d000::/362804:3c78:e000::/362804:3c78:f000::/362804:3c78:f000::/48
Registries

Each registry’s copy

TC2 membersas-set containing AS274621 upstream providers
Maintained byMAINT-AS274621
Last modified2026-01-16T01:24:37Z
MembersAS263629 AS266214
mbrs-by-refN
Tools

Check AS274621:AS-UPSTREAMS live

IRR API, with prefixes