AS18134 — KITANET JCOM Co., Ltd.

AS18134 announces 8 IPv4 prefixes covering 29,696 addresses and 0 IPv6 prefixes.

About this network

KITANET is the autonomous system for JCOM Co., Ltd., a major Japanese cable television and internet service provider.

What it's used for

• The address space carries residential and business access traffic, evidenced by reverse DNS entries like kita122050055254.kitanet.ne.jp and kita151254.kitanet.ne.jp.
• With 29,696 IPv4 addresses announced across 8 prefixes and only 1 observed neighbour, the high address-to-neighbour ratio indicates this is an access network rather than a transit provider.

Notable

• All registrants for the announced prefixes are listed as Japan Network Information Center (JPNIC), which is consistent with the standard allocation process for Japanese ISPs.
• JCOM is a consolidated subsidiary of KDDI and operates as a multi-system operator (MSO) in major Japanese cities including Sapporo, Sendai, Tokyo, Osaka, and Fukuoka.
• The inventory consists of 8 IPv4 prefixes with no IPv6 prefixes announced, reflecting a legacy IPv4-centric deployment.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 103.55.196.0/22
• 111.125.144.0/21
• 113.197.16.0/20
• 122.50.32.0/19
• 202.57.224.0/20
• 203.217.180.0/22
• 219.100.24.0/22
• 219.112.128.0/19

Upstream networks

• AS9824 JCOM Co., Ltd.

Adjacent networks

• AS9824 JCOM Co., Ltd.