ResearchIRR · TC

AS271750:AS-UPSTREAMS as-set containing AS271750 upstream providers

An as-set registered in TC, maintained by MAINT-AS271750. It names 2 ASes and 0 sets directly; followed all the way down, it reaches 2 ASes through 0 nested sets.

Members

What AS271750:AS-UPSTREAMS lists

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

AS263558 AS263558AS266167 AS266167
Expanded

Every AS it reaches

What a filter built from AS271750:AS-UPSTREAMS would let in: 2 ASes.

Show the 2 ASes
AS263558AS266167
Prefixes

What AS271750: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 AS271750:AS-UPSTREAMS (with bgpq4, say) would allow. 16 IPv4 and 7 IPv6. Every one is in the IRR API.

16 IPv4 prefixes
143.255.196.0/22143.255.196.0/24143.255.197.0/24143.255.198.0/24143.255.199.0/24160.19.240.0/22186.237.216.0/21186.237.216.0/24186.237.217.0/24186.237.218.0/24186.237.219.0/24186.237.220.0/24186.237.221.0/24186.237.222.0/23186.237.222.0/24186.237.223.0/24
7 IPv6 prefixes
2804:3bb8::/322804:ef0:1000::/402804:ef0:1100::/402804:ef0:1200::/402804:ef0:2::/482804:ef0::/322804:ef0:a::/48
Registries

Each registry’s copy

TC2 membersas-set containing AS271750 upstream providers
Maintained byMAINT-AS271750
Last modified2026-08-17T13:46:26Z
MembersAS263558 AS266167
mbrs-by-refN
Tools

Check AS271750:AS-UPSTREAMS live

IRR API, with prefixes