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ASN Lookup Tool
AS17936 CTK

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS17936
Organisation
Cable Television Kani Co.,Ltd. 1-5,Hiromi,Kani-s..
Name
CTK
Total IPv4 Addresses
18,432
Total IPv4 Prefixes
5
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#6,760 out of 79,087
Registry
Apnic
Registered Country
JP flagJP
Registered Country Name
Japan
Registered Date
Registration Last Change
2024-08-22
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS9354
JP flagCommunity Network Center Inc.
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

PrefixRange FromRange To
125.2.208.0/20125.2.208.0125.2.223.255
203.104.112.0/20203.104.112.0203.104.127.255
203.110.224.0/21203.110.224.0203.110.231.255
218.40.240.0/20218.40.240.0218.40.255.255
218.228.80.0/20218.228.80.0218.228.95.255
IPv6 Active Prefixes
PrefixRange FromRange To
2406:9900::/322406:9900::2406:9900:ffff:ffff:ffff:ffff:ffff:ffff