AS150685 Ching Kuo

CHINGKUO-AS-AP - Ching Kuo · registered in Japan

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Japan#685largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#61,812of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryJapan745 ASNs registered there

Open AS150685 in ASN lookup Look up an IP in this network (103.55.240.1) All networks in Japan

IPv4 prefixes

All 1 prefix, in address order.

103.55.240.0/24

IPv6 prefixes

All 1 prefix.

2001:df1:b3c0::/48

Other ASNs named Ching Kuo

1 other network uses the same organisation name; together with AS150685 they announce 768 IPv4 addresses.

ASNNameIPv4 addresses

AS147035CHINGKUO-AS-AP - Ching Kuo JP512

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS146972#682 TEC-JP-NET - TOYO Engineering Corporation256

AS146980#683 IOC - Tokyo Metropolitan College of Industrial Technology Infomation System Engineering Course256

AS150357#684 SUN-SECBASE - University of Nagasaki256

AS152870#686 KAICHI-NET - Incorporated Educational Institution Kaichigakuen256

AS5111#687 ALCL-AS-AP - Aibo Link Co., Ltd.256

AS9434#688 ABONE-AS-AP - Internet Initiative Japan, Inc.256

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