Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS9999

Announcement observedAPNIC

ATTOKYO - AT TOKYO Corporation · ATTOKYO

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/17/2026, 07:54:19Snapshot expired

View network topology RDAP registration

ASN: AS9999
Registration country: Japan
Name: ATTOKYO - AT TOKYO Corporation
Abbreviation: ATTOKYO
Registration date: Not recorded
Status: Announcement observed
RIR: APNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
110.44.20.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/17/2026, 00:00:00	✓	×	Currently valid
119.59.64.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/17/2026, 00:00:00	✓	×	Currently valid
165.100.192.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/17/2026, 00:00:00	✓	×	Currently valid
202.13.124.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/17/2026, 00:00:00	✓	×	Currently valid
202.243.223.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/17/2026, 00:00:00	✓	×	Currently valid
203.223.24.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/17/2026, 00:00:00	✓	×	Currently valid
203.80.6.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/17/2026, 00:00:00	✓	×	Currently valid
203.89.128.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/17/2026, 00:00:00	✓	×	Currently valid
211.132.0.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/17/2026, 00:00:00	✓	×	Currently valid
219.99.128.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/17/2026, 00:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: ATTOKYO - AT TOKYO Corporation
RIR: APNIC
Registration country: Japan
Registration date: Not recorded
Abuse contact: Not recorded

Snapshot trend

10/17/2026, 07:54:1910 v41 v61 Upstream · 0 Uncertain

9/30/2026, 01:28:4510 v41 v61 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap · cha-la-bgp-observations