ResearchIRR · TC

AS274581:AS-UPSTREAMS as-set containing AS274581 upstream providers

An as-set registered in TC, maintained by MAINT-AS274581. It names 2 ASes and 0 sets directly; followed all the way down, it reaches 2 ASes through 0 nested sets.

Members

What AS274581:AS-UPSTREAMS lists

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

AS16735 AS16735AS23106 AS23106
Expanded

Every AS it reaches

What a filter built from AS274581:AS-UPSTREAMS would let in: 2 ASes.

Show the 2 ASes
AS16735AS23106
Prefixes

What AS274581: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 AS274581:AS-UPSTREAMS (with bgpq4, say) would allow. 104 IPv4 and 8 IPv6. Every one is in the IRR API.

104 IPv4 prefixes
170.84.32.0/22177.126.96.0/20177.69.0.0/16179.108.96.0/19186.237.192.0/21186.248.0.0/16186.248.0.0/17186.248.0.0/18186.248.0.0/22186.248.0.0/23186.248.128.0/17186.248.128.0/18186.248.183.0/24186.248.192.0/18186.248.2.0/23186.248.2.0/24186.248.64.0/18187.32.0.0/16187.44.112.0/20187.44.96.0/20187.72.0.0/16189.112.0.0/16189.37.0.0/17189.37.128.0/17189.37.128.0/19189.37.160.0/19189.37.192.0/18189.37.192.0/19189.37.224.0/19189.38.96.0/20189.39.0.0/18189.41.0.0/20189.41.112.0/20189.41.128.0/20189.41.144.0/20189.41.16.0/20189.41.160.0/20189.41.176.0/20189.41.192.0/20189.41.208.0/20189.41.224.0/20189.41.240.0/20189.41.32.0/20189.41.48.0/20189.41.64.0/20189.41.80.0/20189.41.96.0/20200.139.128.0/18200.139.128.0/19200.139.160.0/19200.146.192.0/18200.150.0.0/18200.150.0.0/19200.150.0.0/21200.150.0.0/22200.150.10.0/24200.150.11.0/24200.150.12.0/24200.150.32.0/19200.150.4.0/22200.159.192.0/19200.159.192.0/20200.159.208.0/20200.160.112.0/20200.170.128.0/18200.170.128.0/21200.170.136.0/21200.170.144.0/21200.170.152.0/21200.170.160.0/21200.170.168.0/21200.170.176.0/21200.170.184.0/21200.187.160.0/20200.187.176.0/20200.225.192.0/18200.225.192.0/21200.225.200.0/21200.225.208.0/21200.225.212.0/22200.225.216.0/21200.225.224.0/21200.225.232.0/21200.225.240.0/21200.225.248.0/21200.233.128.0/18200.233.192.0/18201.16.128.0/18201.16.128.0/20201.16.144.0/21201.16.152.0/22201.16.156.0/24201.16.158.0/23201.16.160.0/19201.16.192.0/18201.48.0.0/17201.48.128.0/17201.49.96.0/19201.55.96.0/19201.62.128.0/17201.62.128.0/18201.62.192.0/18201.62.224.0/20201.62.240.0/23
8 IPv6 prefixes
2001:1290::/322001:1291::/322801:80:530::/482804:2220::/322804:238::/322804:25a0::/322804:620::/322804:808::/32
Registries

Each registry’s copy

TC2 membersas-set containing AS274581 upstream providers
Maintained byMAINT-AS274581
Last modified2026-02-13T14:22:59Z
MembersAS16735 AS23106
mbrs-by-refN
Tools

Check AS274581:AS-UPSTREAMS live

IRR API, with prefixes