Autonomous system profile

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

AS37900

Announcement observedAPNIC

MATSURI - NTT DOCOMO BUSINESS, Inc. · MATSURI

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

Last active10/3/2026, 02:36:43Snapshot expired

View network topology RDAP registration

ASN: AS37900
Registration country: Japan
Name: MATSURI - NTT DOCOMO BUSINESS, Inc.
Abbreviation: MATSURI
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
202.2.89.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
202.2.91.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
202.4.244.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid
202.4.245.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 16:00:00	10/16/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: MATSURI - NTT DOCOMO BUSINESS, Inc.
RIR: APNIC
Registration country: Japan
Registration date: Not recorded
Abuse contact: Not recorded

Snapshot trend

10/3/2026, 02:36:434 v43 v64 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