AS18274 Utsunomiya Cable TV Corporation

UCATV - Utsunomiya Cable TV Corporation · registered in Japan

IPv4 addresses26,6248 prefixes · <0.001% of announced IPv4

Rank in Japan#218largest network in JP by IPv4 space, of 724 · 0.02% of JP

Rank worldwide#5,278of 79,396 networks with IPv4

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

CountryJapan745 ASNs registered there

Open AS18274 in ASN lookup Look up an IP in this network (103.82.88.1) All networks in Japan

IPv4 prefixes

All 8 prefixes, in address order.

103.82.88.0/22
116.118.208.0/20
202.173.96.0/20
202.208.64.0/20
210.236.112.0/20
219.97.112.0/20
219.100.164.0/22
219.122.96.0/20

IPv6 prefixes

All 1 prefix.

2407:3300::/32

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS18283#215 CCV - Chupicom Inc.27,648

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

AS9601#217 SHIBATA - Niigata Communication Service27,648

AS24249#219 JWAY - JWAY co., Ltd.26,624

AS55394#220 GREE-NET - GREE, Inc.26,624

AS10004#221 AS-PHOENIX-J - Phoenix Communications Inc.26,368

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