ResearchIRR · TC

AS271255:AS-UPSTREAMS as-set containing AS271255 upstream providers

An as-set registered in TC, maintained by MAINT-AS271255. It names 3 ASes and 0 sets directly; followed all the way down, it reaches 3 ASes through 0 nested sets.

Members

What AS271255:AS-UPSTREAMS lists

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

AS13786 SEABORNAS28283 AS28283AS267613 AS267613
Expanded

Every AS it reaches

What a filter built from AS271255:AS-UPSTREAMS would let in: 3 ASes.

Show the 3 ASes
AS13786AS28283AS267613
Prefixes

What AS271255:AS-UPSTREAMS covers

Every route object in the IRR whose origin is one of the 3 ASes it reaches: the prefixes a filter built from AS271255:AS-UPSTREAMS (with bgpq4, say) would allow. 18 IPv4 and 12 IPv6. Every one is in the IRR API.

18 IPv4 prefixes
177.221.184.0/22177.72.224.0/21187.0.0.0/20187.103.224.0/19187.103.240.0/21189.14.224.0/20200.240.224.0/19201.148.244.0/22201.182.252.0/22207.135.208.0/21207.135.208.0/24207.135.210.0/24207.135.211.0/24207.135.212.0/24207.135.213.0/2445.175.60.0/2245.177.100.0/2245.177.100.0/24
12 IPv6 prefixes
2605:4a40:100::/402605:4a40:300::/402605:4a40:400::/402605:4a40:500::/402605:4a40:900::/402605:4a40::/322605:4a40:d00::/402605:4a40:ff00::/472804:378::/322804:43f8::/322804:5d90::/322804:624::/32
Registries

Each registry’s copy

TC3 membersas-set containing AS271255 upstream providers
Maintained byMAINT-AS271255
Last modified2026-01-07T14:03:00Z
MembersAS13786 AS267613 AS28283
mbrs-by-refN
Tools

Check AS271255:AS-UPSTREAMS live

IRR API, with prefixes