Summary

Country
JP Japan
Organization Ctb Media Inc.
Domain ctb.jp
Number of IPv4 16,384
Number of IPv6 7.9228× 1028
AS Type ISP
Registry JPNIC
Allocated January 01, 1970 (about 55 years ago)
Updated August 13, 2003 (about 21 years ago)

IP Ranges

AS23780 announces 5 IPv4 ranges and 1 IPv6 range.

That's a total of 16,384 IPv4 addresses and 7.9228× 1028 IPv6 addresses.

Prefix Organization Size Registry Status
49.128.24.0/21
JP Ctb Media Inc.
2,048 JPNIC
49.128.96.0/22
JP Ctb Media Inc.
1,024 APNIC ALLOCATED PORTABLE
203.201.52.0/22
JP Ctb Media Inc.
1,024 APNIC ALLOCATED PORTABLE
211.15.112.0/20
JP Ctb Media Inc.
4,096 JPNIC
211.19.224.0/19
JP Ctb Media Inc.
8,192 JPNIC
Prefix Organization Size Registry Status
2402:6c80::/32
JP Japan Network Information Center
7.9228× 1028 APNIC ALLOCATED PORTABLE

Upstreams

There are 3 upstreams for AS23780:

Downstreams

There is no downstream for AS23780.

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