AS23629 — OCTV Obihiro City Cable Co.,Ltd.

Network type: residential

AS23629 announces 12 IPv4 prefixes covering 28,160 addresses and 1 IPv6 prefixes.

About this network

OCTV is the AS handle for Obihiro City Cable Co.,Ltd., a regional cable operator in Hokkaido, Japan.

What it's used for

• The address space carries residential cable and DSL customer traffic, evidenced by reverse DNS entries such as 27131027254.dhcp.f1.octv.ne.jp and pc059254.dhcp.octv.ne.jp.
• The AS announces 28,160 IPv4 addresses across 12 prefixes and 1 IPv6 prefix, while maintaining 21 observed neighbours; this ratio of address space to peering partners is characteristic of an access network serving local subscribers.

Notable

• All registrants in the RDAP data are listed as Japan Network Information Center; IRT-JPNIC-JP, which is consistent with the announcer as JPNIC is the regional registry for Japan.
• The address inventory is composed of multiple /20, /21, /22, and /23 blocks, with netnames varying between OCTV-CIDR-BLK-JP and OCTV, indicating a consolidated but historically segmented corporate estate.

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

Announced prefixes

• 27.131.16.0/20
• 27.131.192.0/21
• 115.85.96.0/22
• 115.85.104.0/21
• 115.85.112.0/21
• 115.85.120.0/22
• 115.85.124.0/23
• 119.47.64.0/20
• 202.169.184.0/21
• 202.177.48.0/20
• 202.253.92.0/22
• 210.158.48.0/20
• 2406:d200::/32

Upstream networks

• AS2518 BIGLOBE Inc.
• AS6939 Hurricane Electric LLC
• AS17676 SoftBank Corp.
• AS24482 SG.GS
• AS9304 HGC Global Communications Limited

Adjacent networks

• AS2518 BIGLOBE Inc.
• AS6939 Hurricane Electric LLC
• AS17676 SoftBank Corp.
• AS24482 SG.GS
• AS9304 HGC Global Communications Limited

Internet exchanges

• BroadBand Internet eXchange Tokyo — Tokyo, Japan
• JPIX Tokyo — Tokyo, Japan