ResearchIRR · TC

AS274557:AS-UPSTREAMS as-set containing AS274557 upstream providers

An as-set registered in TC, maintained by MAINT-AS274557. It names 2 ASes and 0 sets directly; followed all the way down, it reaches 2 ASes through 0 nested sets.

Members

What AS274557:AS-UPSTREAMS lists

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

AS265290 AS265290AS268149 AS268149
Expanded

Every AS it reaches

What a filter built from AS274557:AS-UPSTREAMS would let in: 2 ASes.

Show the 2 ASes
AS265290AS268149
Prefixes

What AS274557: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 AS274557:AS-UPSTREAMS (with bgpq4, say) would allow. 16 IPv4 and 12 IPv6. Every one is in the IRR API.

16 IPv4 prefixes
168.90.204.0/22168.90.204.0/23168.90.204.0/24168.90.205.0/24168.90.206.0/23168.90.206.0/24168.90.207.0/24177.71.60.0/2245.170.92.0/2245.170.92.0/2345.170.92.0/2445.170.93.0/2445.170.94.0/2345.170.94.0/2445.170.95.0/2445.179.4.0/24
12 IPv6 prefixes
2804:2d94:4000::/342804:2d94:8000::/342804:2d94::/322804:2d94::/342804:2d94:c000::/342804:58c8:4000::/342804:58c8:8000::/332804:58c8:8000::/342804:58c8::/322804:58c8::/332804:58c8::/342804:58c8:c000::/34
Registries

Each registry’s copy

TC2 membersas-set containing AS274557 upstream providers
Maintained byMAINT-AS274557
Last modified2025-10-26T00:56:54Z
MembersAS268149 AS265290
mbrs-by-refN
Tools

Check AS274557:AS-UPSTREAMS live

IRR API, with prefixes