Autonomous system profile

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

AS2497

Announcement observedARIN

IIJ - Internet Initiative Japan Inc. · IIJ

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

Last active10/15/2026, 03:10:00Snapshot expired

View network topology RDAP registration

ASN: AS2497
Registration country: Japan
Name: IIJ - Internet Initiative Japan Inc.
Abbreviation: IIJ
Registration date: Not recorded
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
101.128.128.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
103.140.136.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
103.2.57.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
103.2.58.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
103.26.166.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
103.26.167.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
103.5.23.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
103.6.20.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/30/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
103.76.87.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.164.100.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.164.132.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.164.133.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.164.85.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.164.92.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.165.174.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.165.181.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.165.202.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.165.254.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.165.87.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.252.125.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.252.126.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.252.132.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.252.22.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.252.84.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.253.239.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.253.94.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
104.253.98.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
109.66.30.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
113.197.128.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
116.118.192.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
118.151.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
118.151.128.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
119.10.192.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
121.102.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
121.200.200.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
121.50.160.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
124.147.64.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
124.41.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
124.41.128.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
125.30.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
129.249.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
131.248.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
132.179.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
133.110.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
133.111.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
133.127.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
133.137.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
133.142.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
133.157.104.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/7/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid
133.157.112.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/7/2026, 16:00:00	10/15/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: IIJ - Internet Initiative Japan Inc.
RIR: ARIN
Registration country: Japan
Registration date: Not recorded
Abuse contact: Not recorded

Snapshot trend

10/15/2026, 03:10:00244 v411 v645 Upstream · 302 Uncertain

10/13/2026, 21:25:43244 v411 v645 Upstream · 302 Uncertain

10/12/2026, 16:00:54244 v411 v647 Upstream · 299 Uncertain

10/11/2026, 04:00:10244 v411 v644 Upstream · 303 Uncertain

10/8/2026, 23:52:35244 v411 v646 Upstream · 301 Uncertain

10/7/2026, 23:46:50244 v411 v645 Upstream · 302 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