株式会社インターネットイニシアティブ

Internet Initiative Japan Inc.
GLEIF verified
LEI
529900EOCJNAPUHDFR78
Registered name
株式会社インターネットイニシアティブ
Jurisdiction
JP
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks257 · 3,991,860 IPv4 addresses
Registered in Japan (199) · United States (11) · Hong Kong (3) · Bulgaria (3) · Indonesia (2) · EE (2)
Cluster ID208783812
RegistryAPNIC
Owner jurisdictionJP
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 529900EOCJNAPUHDFR78
Shared handles clustered on 23 shared RIR contact/maintainer handles
Registry names 7 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
257 0 netblocks since 2026-07-05
2026-07-05 peak 257 2026-07-19

IP Ranges (257)

showing 50 of 257 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
14.137.235.0/24 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
14.137.243.0/24 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
23.131.136.0/24 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
23.159.40.0/24 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
23.183.56.0/24 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
27.111.228.196/32 Internet Initiative Japan PEERINGDB ASSIGNED ● high
36.255.57.24/32 Internet Initiative Japan PEERINGDB ASSIGNED ● high
49.239.64.0/18 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
58.138.0.0/17 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
58.138.128.0/18 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
61.122.224.0/20 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
61.124.0.0/20 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
61.211.96.0/19 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
80.81.193.136/32 Internet Initiative Japan PEERINGDB ASSIGNED ● high
101.128.128.0/17 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
103.2.57.0/24 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
103.2.58.0/23 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
103.5.23.0/24 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
103.16.102.163/32 Internet Initiative Japan PEERINGDB ASSIGNED ● high
103.26.166.0/24 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
103.26.167.0/24 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
103.140.136.0/23 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
103.140.136.0/24 Internet-Initiative-Japan APNIC ASSIGNED NON-PORTABLE ● high
103.140.137.0/24 Internet-Initiative-Japan APNIC ASSIGNED NON-PORTABLE ● high
113.197.128.0/17 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
116.118.192.0/20 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
118.151.0.0/17 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
118.151.128.0/18 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
119.10.192.0/18 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
121.50.160.0/21 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
121.102.0.0/16 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
121.200.200.0/21 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
123.255.90.136/32 Internet Initiative Japan PEERINGDB ASSIGNED ● high
124.41.0.0/17 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
124.41.128.0/18 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
124.147.64.0/18 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
125.30.0.0/16 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
129.249.0.0/16 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
131.248.0.0/16 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
132.179.0.0/16 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
133.110.0.0/16 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
133.111.0.0/16 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
133.127.0.0/16 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
133.137.0.0/16 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
133.142.0.0/16 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
133.159.0.0/16 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
133.169.0.0/21 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
133.169.8.0/22 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
133.173.0.0/16 Internet Initiative Japan Inc. BGP ANNOUNCED ● high
133.173.0.0/17 Internet Initiative Japan Inc. BGP ANNOUNCED ● high

Domains hosted in this network

what's this?
fout.jp popin.cc terabox.com suumo.jp hotpepper.jp simeji.me sokmil.com jalan.net suumo.com tver.jp carsensor.net tibibox.com konami.com pia.jp titech.ac.jp bookoff.co.jp webike.net tttturbonet.com goo-net.com bunshun.jp

Network role split

how is this classified?
Unclassified 184 (71.6%)
Core infrastructure 40 (15.6%)
Customer access pools 33 (12.8%)

Network trust

what's this?
RPKI hygiene: C how networks compare →
53.3% of checked blocks have valid RPKI ROA coverage (137 of 257)
Possible discrepancies (2)

These blocks are registered to Internet Initiative Japan Inc. but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:df7:5380::/47 /47 authorized for AS3130 — RGnet OU
72.57.165.0 – 72.57.180.255 /20 authorized for AS9908 — Hong Kong Cable Television Limited

NIC Handles

AA1892-AP APNIC-HM AR948-AP AS2235-AP AS2497 AS2497 AS4774 AS9434 IAC3-AP IAC3-AP MAINT-BACKWAVESLIMITED-HK MAINT-DIL-JP +11 more