AS63783 Chiba University of Commerce

CUC - Chiba University of Commerce · registered in Japan

IPv4 addresses2,0481 prefixes · <0.001% of announced IPv4

Rank in Japan#473largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#23,887of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS63783 in ASN lookup Look up an IP in this network (202.244.32.1) All networks in Japan

IPv4 prefixes

All 1 prefix, in address order.

202.244.32.0/21

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS59095#470 ACCELIA-W - ACCELIA2,048

AS59122#471 R-SYS - Ranger-Systems Co., Ltd.2,048

AS63775#472 YCTNET - YAKAGE CABLE TELEVISION2,048

AS131907#474 IWAMI-NET - Iwami Cablevision Co.,Ltd.2,048

AS131909#475 Okinawa-DC - OCC Co., Ltd.2,048

AS131944#476 KADOKAWA-NET - KADOKAWA DWANGO CORPORATION2,048

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