AS271728:AS-UPSTREAMS as-set containing AS271728
An as-set registered in TC, maintained by MAINT-AS271728. It names 2 ASes and 0 sets directly; followed all the way down, it reaches 2 ASes through 0 nested sets.
Members
What AS271728:AS-UPSTREAMS lists
2 ASes and 0 sets, written in the object across every registry that holds it. Sets open their own page.
Prefixes
What AS271728: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 AS271728:AS-UPSTREAMS (with bgpq4, say) would allow. 39 IPv4 and 5 IPv6. Every one is in the IRR API.
39 IPv4 prefixes
160.19.240.0/22186.248.0.0/16186.248.0.0/17186.248.0.0/18186.248.0.0/22186.248.0.0/23186.248.128.0/17186.248.128.0/18186.248.183.0/24186.248.192.0/18186.248.2.0/23186.248.2.0/24186.248.64.0/18189.37.128.0/17189.37.128.0/19189.37.160.0/19189.37.192.0/18189.37.192.0/19189.37.224.0/19200.139.128.0/18200.139.128.0/19200.139.160.0/19200.150.0.0/18200.150.0.0/19200.150.0.0/21200.150.0.0/22200.150.10.0/24200.150.11.0/24200.150.12.0/24200.150.32.0/19200.150.4.0/22200.159.192.0/19200.159.192.0/20200.159.208.0/20201.62.128.0/17201.62.128.0/18201.62.192.0/18201.62.224.0/20201.62.240.0/23
Registries
Each registry’s copy
TC2 membersas-set containing AS271728
| Maintained by | MAINT-AS271728 |
| Last modified | 2026-08-20T22:09:20Z |
| Members | AS266167 AS23106 |
| mbrs-by-ref | N |