AS-ATTOKYO-CUST AT TOKYO Corporation
An as-set registered in RADB, maintained by MAINT-AS9999. It names 6 ASes and 0 sets directly; followed all the way down, it reaches 6 ASes through 0 nested sets.
Members
What AS-ATTOKYO-CUST lists
6 ASes and 0 sets, written in the object across every registry that holds it. Sets open their own page.
Prefixes
What AS-ATTOKYO-CUST covers
Every route object in the IRR whose origin is one of the 6 ASes it reaches: the prefixes a filter built from AS-ATTOKYO-CUST (with bgpq4, say) would allow. 26 IPv4 and 32 IPv6. Every one is in the IRR API.
26 IPv4 prefixes
103.142.124.0/23103.142.124.0/24103.142.125.0/24110.44.20.0/22119.59.64.0/21165.100.192.0/20185.21.168.0/24185.21.169.0/24185.21.170.0/24185.21.171.0/24194.0.38.0/24194.0.39.0/24194.0.40.0/24194.0.41.0/24202.13.124.0/22202.233.84.0/22202.233.84.0/23202.233.86.0/23202.243.223.0/24203.223.24.0/21203.80.6.0/23203.89.128.0/22211.132.0.0/20219.99.128.0/2080.80.80.0/2480.80.81.0/24
32 IPv6 prefixes
2001:678:50::/482001:678:50::/492001:678:54::/482001:678:54::/492001:678:58::/482001:678:58::/492001:678:5c::/482001:678:5c::/492405:1800::/322405:3840::/322a04:1b00:10::/482a04:1b00:11::/482a04:1b00:12::/482a04:1b00:13::/482a04:1b00:1::/482a04:1b00:2::/482a04:1b00:3::/482a04:1b00:4::/482a04:1b00:5::/482a04:1b00:6::/482a04:1b00:7::/482a04:1b00:80::/482a04:1b00:81::/482a04:1b00:8::/482a04:1b00:9::/482a04:1b00::/482a04:1b00:a::/482a04:1b00:b::/482a04:1b00:c::/482a04:1b00:d::/482a04:1b00:e::/482a04:1b00:f::/48
Registries
Each registry’s copy
RADB6 membersAT TOKYO Corporation
| Maintained by | MAINT-AS9999 |
| Last modified | 2026-10-02T05:32:18Z |
| Members | AS9999 AS57382 AS198147 AS61005 AS61007 AS131957 |
| mbrs-by-ref | N |