AS263609:AS-UPSTREAMS AS263609 upstream providers
An as-set registered in TC, maintained by MAINT-AS263609. It names 4 ASes and 0 sets directly; followed all the way down, it reaches 4 ASes through 0 nested sets.
Members
What AS263609:AS-UPSTREAMS lists
4 ASes and 0 sets, written in the object across every registry that holds it. Sets open their own page.
Prefixes
What AS263609:AS-UPSTREAMS covers
Every route object in the IRR whose origin is one of the 4 ASes it reaches: the prefixes a filter built from AS263609:AS-UPSTREAMS (with bgpq4, say) would allow. 51 IPv4 and 38 IPv6. Every one is in the IRR API.
51 IPv4 prefixes
131.255.56.0/22131.255.56.0/23131.255.56.0/24131.255.57.0/24131.255.58.0/23131.255.58.0/24131.255.59.0/24164.163.192.0/22164.163.192.0/23164.163.192.0/24164.163.193.0/24164.163.194.0/23164.163.194.0/24164.163.195.0/24186.211.128.0/17186.211.128.0/21186.211.136.0/21186.211.144.0/21186.211.160.0/21186.211.176.0/21186.211.192.0/21186.211.228.0/22186.211.248.0/22187.103.120.0/21187.103.96.0/19187.103.96.0/21200.143.64.0/18200.215.208.0/20201.16.0.0/18201.16.64.0/1845.172.96.0/2245.172.96.0/2345.172.96.0/2445.172.97.0/2445.172.98.0/2345.172.98.0/2445.172.99.0/2445.174.220.0/2245.174.220.0/2345.174.220.0/2445.174.221.0/2445.174.222.0/2345.174.222.0/2445.174.223.0/2445.180.16.0/2245.180.16.0/2345.180.16.0/2445.180.17.0/2445.180.18.0/2345.180.18.0/2445.180.19.0/24
38 IPv6 prefixes
2804:5bc8::/322804:7898:1000::/362804:7898:1002::/482804:7898:1003::/482804:7898:2000::/352804:7898:2000::/362804:7898:3000::/362804:7898:4000::/342804:7898:4000::/352804:7898:4000::/362804:7898:4000::/482804:7898:4001::/482804:7898:5000::/362804:7898:5000::/482804:7898:6000::/352804:7898:6000::/362804:7898:7000::/362804:7898:8000::/332804:7898:8000::/342804:7898:8000::/352804:7898:8000::/362804:7898:9000::/362804:7898::/322804:7898::/332804:7898::/342804:7898::/352804:7898::/362804:7898:a000::/352804:7898:a000::/362804:7898:b000::/362804:7898:c000::/342804:7898:c000::/352804:7898:c000::/362804:7898:d000::/362804:7898:e000::/352804:7898:e000::/362804:7898:f000::/362804:8::/30
Registries
Each registry’s copy
TC4 membersAS263609 upstream providers
| Maintained by | MAINT-AS263609 |
| Last modified | 2026-03-16T15:24:02Z |
| Members | AS14840 AS271253 AS268869 AS20121 |
| mbrs-by-ref | N |