Regional Internet Registries Statistics

RIR Delegations & RIPE NCC Allocations

Japan (JP) - IP address allocations by LIR

Data from RIPE NCC allocations file as of: Mon Mar 30 2026

This page gives the list of IPv4 addresses and IPv6 addresses allocated to each Local Internet Registry (LIR) in Japan (JP) by RIPE NCC (Europe, the Middle East and parts of Central Asia), according to RIPE NCC allocations file.

The format of IPv4 allocations is "Address/Prefix" for most ranges and "First address-Last address" for some ranges.

The format of IPv6 allocations is "Address/Prefix".

Allocation lines begin with the allocation date in the format "YYYYMMDD".

The status of IPv4 allocations is indicated as "ALLOCATED PA" (Provider Aggregatable).

The link on a LIR Code opens the RIPE NCC Information page for this LIR in a new window (RIPE NCC website).

The link on an IPv4 or IPv6 address range opens the RIPE NCC Whois page for this range in a new window (RIPE NCC website).

HAONAN YANG
20230516 194.116.227.0/24 ALLOCATED PA
20250516 2a06:40::/29
DODO K.K.
20230627 185.217.5.0/24 ALLOCATED PA
20251211 193.56.180.0/24 ALLOCATED PA
20240530 2a13:fc0::/29
rainbow network corporation limited
20151113 103.200.28.0/22 ALLOCATED PA
20151113 203.189.232.0/22 ALLOCATED PA
20160406 103.213.248.0/22 ALLOCATED PA
20160406 144.48.8.0/22 ALLOCATED PA
20160928 103.76.84.0/22 ALLOCATED PA
20170207 116.206.92.0/22 ALLOCATED PA
20191104 195.78.48.0/23 ALLOCATED PA
Kazuki Yamaguchi
20190903 45.148.172.0/22 ALLOCATED PA
20190903 2a0f:600::/29
Show Corporation
20190819 45.143.0.0/22 ALLOCATED PA
20250930 176.118.178.0/24 ALLOCATED PA
xTom Japan Corporation
20211110 146.19.19.0/24 ALLOCATED PA
20211116 146.19.163.0/24 ALLOCATED PA
20211223 194.50.154.0/24 ALLOCATED PA
20250610 91.243.68.0/24 ALLOCATED PA