ResearchIRR · TC

AS270337:AS-UPSTREAMS Upstreams ASs From AS270337

An as-set registered in TC, maintained by MAINT-AS270337. It names 1 AS and 0 sets directly; followed all the way down, it reaches 1 ASes through 0 nested sets.

Members

What AS270337:AS-UPSTREAMS lists

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

AS53181 AS53181
Expanded

Every AS it reaches

What a filter built from AS270337:AS-UPSTREAMS would let in: 1 ASes.

Show the 1 ASes
AS53181
Prefixes

What AS270337:AS-UPSTREAMS covers

Every route object in the IRR whose origin is one of the 1 ASes it reaches: the prefixes a filter built from AS270337:AS-UPSTREAMS (with bgpq4, say) would allow. 76 IPv4 and 19 IPv6. Every one is in the IRR API.

76 IPv4 prefixes
138.204.64.0/22138.204.64.0/23138.204.64.0/24138.204.65.0/24138.204.66.0/23138.204.66.0/24138.204.67.0/24191.241.64.0/20191.241.64.0/21191.241.64.0/22191.241.64.0/23191.241.64.0/24191.241.65.0/24191.241.66.0/23191.241.66.0/24191.241.67.0/24191.241.68.0/22191.241.68.0/23191.241.68.0/24191.241.69.0/24191.241.70.0/23191.241.70.0/24191.241.71.0/24191.241.72.0/21191.241.72.0/22191.241.72.0/23191.241.72.0/24191.241.73.0/24191.241.74.0/23191.241.74.0/24191.241.75.0/24191.241.76.0/22191.241.76.0/23191.241.76.0/24191.241.77.0/24191.241.78.0/23191.241.78.0/24191.241.79.0/24201.33.160.0/20201.33.160.0/21201.33.160.0/22201.33.160.0/23201.33.160.0/24201.33.161.0/24201.33.162.0/23201.33.162.0/24201.33.163.0/24201.33.164.0/22201.33.164.0/23201.33.164.0/24201.33.165.0/24201.33.166.0/23201.33.166.0/24201.33.167.0/24201.33.168.0/21201.33.168.0/22201.33.168.0/23201.33.168.0/24201.33.169.0/24201.33.170.0/23201.33.170.0/24201.33.171.0/24201.33.172.0/22201.33.172.0/23201.33.172.0/24201.33.173.0/24201.33.174.0/23201.33.174.0/24201.33.175.0/2445.164.112.0/2245.164.112.0/2345.164.112.0/2445.164.113.0/2445.164.114.0/2345.164.114.0/2445.164.115.0/24
19 IPv6 prefixes
2804:113c:8000::/382804:113c:8400::/382804:113c:8800::/382804:113c:8c00::/382804:113c:9000::/382804:113c:9400::/382804:113c:9800::/382804:113c:9c00::/382804:113c::/322804:113c:a000::/382804:113c:a400::/382804:113c:a800::/382804:113c:ac00::/382804:53e4:1000::/382804:53e4:400::/382804:53e4:800::/382804:53e4::/322804:53e4::/382804:53e4:c00::/38
Registries

Each registry’s copy

TC1 membersUpstreams ASs From AS270337
Maintained byMAINT-AS270337
Last modified2026-08-18T13:48:48Z
MembersAS53181
mbrs-by-refN
Tools

Check AS270337:AS-UPSTREAMS live

IRR API, with prefixes