AS23629 Obihiro City Cable Co.,Ltd.

OCTV - Obihiro City Cable Co.,Ltd. · registered in Japan

IPv4 addresses28,16012 prefixes · <0.001% of announced IPv4

Rank in Japan#214largest network in JP by IPv4 space, of 724 · 0.02% of JP

Rank worldwide#5,156of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryJapan745 ASNs registered there

Open AS23629 in ASN lookup Look up an IP in this network (27.131.16.1) All networks in Japan

IPv4 prefixes

All 12 prefixes, in address order.

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

IPv6 prefixes

All 1 prefix.

2406:d200::/32

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS7668#211 HTCN - Hokuriku Telecommunication Network Co.29,696

AS18134#212 KITANET - JCOM Co., Ltd.29,696

AS10002#213 ICT - IGAUENO CABLE TELEVISION CO.,LTD28,672

AS18283#215 CCV - Chupicom Inc.27,648

AS24255#216 T-CATV - Koshinomiyako Network, Inc.27,648

AS9601#217 SHIBATA - Niigata Communication Service27,648

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources