IP Judge ipjudge.org

Japan · ASN

AS4693 · CSK - CSK-IT MANAGEMENT CORPORATION

CSK - CSK-IT MANAGEMENT CORPORATION is registered in Japan (APNIC). It currently announces 7 IPv4 prefixes (about 45,056 addresses) and 1 IPv6 prefixes in the global routing table; PeeringDB lists it as “NSP”.

Country / region
Japan
APNIC
IPv4 addresses
45,056
7 prefixes
IPv6
1
prefixes
Upstream / downstream
9 / 1
neighbours

AI platforms by the network’s registered country; the exit IP’s location is what counts

ChatGPTClaudeGeminiMuse not available

IPs checked on IP Judge datacenter / proxy IPs listed; residential and mobile only counted

No IP from this network has been checked yet.

Neighbouring networks

Upstreams (transit providers)

AS17686 · ACCELIA - ACCELIAAS17676 · GIGAINFRA - SoftBank Corp.AS6939 · HURRICANE - Hurricane ElectrAS8220 · COLT COLT Technology ServiceAS8966 · Etisalat-AS EMIRATES TELECOMAS20485 · TRANSTELECOM Joint Stock ComAS2516 · KDDI - KDDI CORPORATIONAS9002 · RETN-AS RETN LimitedAS20326 · TERASWITCH - TeraSwitch Netw

Downstreams (networks connected through it)

AS17680 · SCS - SCSK Corporation

IPv4 prefixes 7 total

203.140.0.0/19203.179.32.0/19210.159.96.0/19210.166.96.0/19210.249.192.0/19211.7.192.0/21211.7.208.0/21

IPv6 prefixes 1 total

2400:af80::/32

Sources: RIPEstat (regional registry allocations and RIS routing data), PeeringDB, IP Judge lookups. Routing data refreshes daily.