203.201.52.0/22

AS23780 · CTB Media Inc.

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Summary

Country	Japan
Domain	ctb.ne.jp
ASN	AS23780
Registry	jpnic
Hosted IPs	1,024
ID	CTB

WHOIS Details

inetnum:        203.201.52.0 - 203.201.55.255
netname:        CTB
descr:          CTB Media Inc.
country:        JP
admin-c:        HH35530JP
tech-c:         HH35530JP
last-modified:  2025-03-14T21:56:03Z
remarks:        This information has been partially mirrored by APNIC from
remarks:        JPNIC. To obtain more specific information, please use the
remarks:        JPNIC WHOIS Gateway at
remarks:        http://www.nic.ad.jp/en/db/whois/en-gateway.html or
remarks:        whois.nic.ad.jp for WHOIS client. (The WHOIS client
remarks:        defaults to Japanese output, use the /e switch for English
remarks:        output)
source:         JPNIC

Nearby Ranges

BGP prefixes that overlap with 203.201.0.0/16

Range	ASN	Company	Num of IPs
203.201.128.0/19	AS9652	ECN Pty Ltd - Internet Service Provider,	8,192
203.201.112.0/20	AS4857	IP EXCHANGE International Networks	4,096
203.201.80.0/20	AS4857	Fibre Broadband	4,096
203.201.64.0/20	AS4857	IP EXCHANGE International Networks	4,096
203.201.96.0/20	AS4857	IP EXCHANGE International Networks	4,096
203.201.176.0/22	AS18351	215 Henderson Road # 03-03	1,024
203.201.56.0/22	AS45541	Information Technology Center - Joint Stock Commercial Bank for Investment and Development of Vietnam	1,024
203.201.52.0/22	AS23780	CTB Media Inc.	1,024
203.201.172.0/22	AS38778	Dnet Surabaya	1,024
203.201.184.0/22	AS45630	Level 37, Menara TM	1,024
203.201.138.0/23	AS9652	ECN Pty Ltd Corporate Client Fixed IP Ranges 2	512
203.201.128.0/23	AS9652	ECN Pty Ltd DSL WAN RANGE1	512
203.201.136.0/23	AS9652	ECN Pty Ltd DSL WAN RANGE2	512
203.201.140.0/23	AS9652	ECN Pty Ltd DSL WAN RANGE3	512
203.201.146.0/23	AS9652	Blue Orb Media	512
203.201.58.0/23	AS45541	Information Technology Center - Joint Stock Commercial Bank for Investment and Development of Vietnam	512
203.201.134.0/23	AS9652	ECN Pty Ltd DSL WAN RANGE2	512
203.201.152.0/23	AS9652	ECN Pty Ltd Corporate Client Fixed IP Ranges 1	512
203.201.142.0/23	AS9652	ECN Pty Ltd DSL WAN RANGE3	512
203.201.132.0/23	AS9652	ECN Pty Ltd DSL WAN RANGE2	512
203.201.148.0/23	AS9652	ECN Pty Ltd Corporate Client Fixed IP Ranges 1	512
203.201.144.0/23	AS9652	ECN Pty Ltd DSL WAN RANGE3	512
203.201.130.0/23	AS9652	ECN Pty Ltd - Internet Service Provider,	512
203.201.56.0/23	AS45541	Information Technology Center - Joint Stock Commercial Bank for Investment and Development of Vietnam	512
203.201.158.0/23	AS9652	ECN Pty Ltd Dial Port WAN1 Range	512

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Hosted domains

There are no domains currently hosted on this ASN.

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What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

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