203.201.52.0/22

AS23780 · CTB Media Inc.

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Summary

Country	Japan
Domain	ctb.ne.jp
ASN	AS23780
Registry	JPNIC
ID	CTB-CIDR-BLK-JP

WHOIS Details

inetnum:        203.201.52.0 - 203.201.55.255
netname:        CTB-CIDR-BLK-JP
descr:          CTB Media Inc.
remarks:        Email address for spam or abuse complaints:abuse@ctb.ne.jp
country:        JP
admin-c:        HH35530JP
tech-c:         HH35530JP
last-modified:  2025-12-04T01:44:04Z
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
203.201.96.0/20	AS4857	IP EXCHANGE International Networks	4,096
203.201.64.0/20	AS4857	IP EXCHANGE International Networks	4,096
203.201.56.0/22	AS45541	Information Technology Center - Joint Stock Commercial Bank for Investment and Development of Vietnam	1,024
203.201.184.0/22	AS45630	Level 37, Menara TM	1,024
203.201.176.0/22	AS18351	215 Henderson Road # 03-03	1,024
203.201.158.0/23	AS9652	ECN Pty Ltd Dial Port WAN1 Range	512
203.201.76.0/24	AS4857	TVPlus	256
203.201.77.0/24	AS4857	TVPlus	256
203.201.128.0/24	AS9652	ECN Pty Ltd DSL WAN RANGE1	256
203.201.139.0/24	AS9652	ECN Pty Ltd Corporate Client Fixed IP Ranges 2	256
203.201.146.0/24	AS9652	Blue Orb Media	256
203.201.147.0/24	AS9652	ECN Pty Ltd DSL SSLHost 1 Range	256
203.201.160.0/24	AS9794	D~NET Jakarta	256
203.201.161.0/24	AS9794	D~NET Jakarta	256
203.201.162.0/24	AS9794	D~NET Jakarta	256
203.201.163.0/24	AS9794	D~NET Jakarta	256
203.201.164.0/24	AS9794	D~NET Jakarta	256
203.201.165.0/24	AS9794	D~NET Jakarta	256
203.201.166.0/24	AS9794	PT. Core Mediatech	256
203.201.167.0/24	AS9794	D~NET Jakarta	256
203.201.183.0/24	AS136615	Level 1, 280 Pacific Hwy	256
203.201.168.0/24	AS9794	D~NET Jakarta	256
203.201.30.0/24	AS16509	FOXTEL Management Pty Ltd	256
203.201.171.0/24	AS38778	PT. Core Mediatech	256
203.201.172.0/24	AS38778	Dnet Surabaya	256
203.201.173.0/24	AS38778	Dnet Surabaya	256
203.201.174.0/24	AS38778	Dnet Surabaya	256
203.201.175.0/24	AS38778	Dnet Surabaya	256
203.201.112.0/24	AS4857	IP EXCHANGE International Networks	256
203.201.118.0/24	AS4857	IP EXCHANGE International Networks	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

137 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
203.201.55.149	AS23780 CTB Media Inc.	`9.95ms` from Osaka, JP
203.201.52.1	AS23780 CTB Media Inc.	`9.09ms` from Osaka, JP
203.201.54.187	AS23780 CTB Media Inc.	`10.42ms` from Osaka, JP
203.201.53.201	AS23780 CTB Media Inc.	`9.92ms` from Osaka, JP

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
185.224.179.70	AS205229 Wireless Client	`16.52ms` from Baku, AZ
111.162.207.118	AS4837 CHINA UNICOM China169 Backbone	`5.78ms` from Beijing, CN
44.226.126.22	AS16509 Amazon.com, Inc.	`0.14ms` from Boardman, US
34.66.196.22	AS396982 Google LLC	`0.12ms` from Council Bluffs, US
213.200.65.70	AS3257 GTT Communications Inc.	`0.49ms` from Frankfurt am Main, DE
8.210.80.150	AS45102 Alibaba (US) Technology Co., Ltd.	`0.66ms` from Hong Kong, HK
213.78.125.102	AS13285 TalkTalk Communications Limited	`1.22ms` from London, GB
109.145.123.166	AS2856 British Telecommunications PLC	`5.92ms` from London, GB
70.179.18.246	AS22773 Cox Communications Inc.	`7.31ms` from Los Angeles, US
121.240.231.6	AS4755 TATA Communications formerly VSNL is Leading ISP	`0.73ms` from Mumbai, IN
98.109.1.70	AS701 Verizon Business	`1.44ms` from New York City, US
119.162.99.38	AS4837 CHINA UNICOM China169 Backbone	`5.84ms` from Qingdao, CN
189.49.218.22	AS7738 V tal	`12.02ms` from Rio de Janeiro, BR
157.205.168.118	AS17514 Otsuka Corp.	`0.58ms` from Tokyo, JP
57.134.147.150	AS7992 Cogeco Connexion Inc.	`3.38ms` from Toronto, CA
123.5.139.86	AS4837 CHINA UNICOM China169 Backbone	`3.13ms` from Zhengzhou, CN
125.25.236.102	AS23969 TOT Public Company Limited	`7.44ms` from Bangkok, TH
117.124.235.22	AS146788 China Broadcasting Network Co., Ltd	`18.90ms` from Beijing, CN
173.166.13.246	AS7922 Comcast Cable Communications, LLC	`5.24ms` from Boston, US
81.183.208.86	AS5483 Magyar Telekom Plc.	`0.85ms` from Budapest, HU
41.34.26.182	AS8452 TE-AS	`9.05ms` from Cairo, EG
197.56.192.198	AS8452 TE-AS	`2.52ms` from Cairo, EG
170.103.15.150	AS11776 Breezeline	`9.09ms` from Chicago, US
3.66.132.102	AS16509 Amazon.com, Inc.	`0.18ms` from Frankfurt am Main, DE
76.237.158.22	AS7018 AT&T Enterprises, LLC	`3.01ms` from Los Angeles, US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f5 203.201.55.149

traceroute to 203.201.55.149 (203.201.55.149): 64 hops max, 52 byte packets

5 [] 210.173.184.13 3.568 ms

6 [AS23780] 211.15.112.25 9.427 ms

7 [AS23780] 211.15.112.246 9.197 ms

8 [AS23780] 203.201.55.149 11.561 ms

Measurement taken from

IPinfo ProbeNet in Osaka, JP

On December 14th 2025

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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