AS18272 Benesse Corporation

BC-NET - Benesse Corporation · registered in Japan

IPv4 addresses2,0483 prefixes · <0.001% of announced IPv4

Rank in Japan#461largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#22,921of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS18272 in ASN lookup Look up an IP in this network (182.16.236.1) All networks in Japan

IPv4 prefixes

All 3 prefixes, in address order.

182.16.236.0/22
202.8.6.0/23
202.143.2.0/23

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS7513#458 SHIELD - Hitachi Systems, Ltd.2,048

AS18076#459 WCE-IAMAS - Institute of Advanced Media Arts and Sciences2,048

AS18090#460 MAGMA - IMS Corporation2,048

AS23633#462 LOCAL-IX - Niigata Communication Service2,048

AS24250#463 MC-IDC - Miyagin Digital Solutions Co.,Ltd.2,048

AS24290#464 HEARTNET - Heart Network Co.,LTD2,048

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