203.141.56.0/21

AS9607  ·  BroadBand Tower, Inc.

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Summary

Country Japan
Domain bbtower.co.jp
ASN AS9607
Registry JPNIC
ID GCTR-CIDR-BLK-JP

WHOIS Details

inetnum:        203.141.55.0 - 203.141.63.255
netname:        GCTR-CIDR-BLK-JP
descr:          BroadBand Tower, Inc.
remarks:        Email address for spam or abuse complaints:abuse@bbtower.co.jp
country:        JP
admin-c:        JP00020513
tech-c:         JP00020513
last-modified:  2025-07-23T22:14:02Z
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

Hosted domains

There are 55 domain names hosted across 47 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
203.141.61.215 archeage.jp 8
203.141.56.10 yokohama-miyakami.jp 6
203.141.60.202 towa-kenpo.jp 1
203.141.60.203 serakugroup-kenpo.jp 1
203.141.60.183 tsuruha-kenpo.com 1
203.141.60.192 whi-kenpo.jp 1
203.141.60.173 yodobashi-kenpo.jp 1
203.141.60.174 ozeki-kenpo.jp 1
203.141.62.141 rohan.jp 1
203.141.60.208 iqj-kenpo.com 1
203.141.60.189 ge-kenpo.jp 1
203.141.62.144 wemadeonline.co.jp 1
203.141.60.176 zara-kenpo.jp 1
203.141.60.178 tohmatsu-kenpo.jp 1
203.141.62.157 gamecom.jp 1
203.141.60.194 pwc-kenpo.jp 1
203.141.60.182 vb-kenpo.com 1
203.141.56.102 wiz-pb.jp 1
203.141.60.196 zara-kenpo.jp 1
203.141.56.98 robotstart.info 1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.
Useful for Cybersecurity

Pingable IPs

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

IP Address ASN Details
203.141.56.28 AS9607 BroadBand Tower, Inc. 0.49ms from Tokyo, JP
203.141.59.98 AS9607 BroadBand Tower, Inc. 0.99ms from Tokyo, JP
203.141.60.2 AS9607 BroadBand Tower, Inc. 0.49ms from Tokyo, JP
203.141.61.231 AS9607 BroadBand Tower, Inc. 1.09ms from Tokyo, JP
203.141.57.236 AS9607 BroadBand Tower, Inc. 0.40ms from Tokyo, JP
203.141.62.83 AS9607 BroadBand Tower, Inc. 0.49ms from Tokyo, 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
20.102.42.37 AS8075 Microsoft Corporation 0.90ms from Ashburn, US
213.249.16.213 AS12361 VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA 1.23ms from Athens, GR
124.250.82.5 AS9308 Abitcool(China) Inc. 2.45ms from Beijing, CN
91.57.29.149 AS3320 Deutsche Telekom AG 4.15ms from Berlin, DE
76.190.193.117 AS10796 Charter Communications Inc 18.44ms from Chicago, US
92.148.142.229 AS3215 Orange S.A. 7.03ms from Frankfurt am Main, DE
112.53.71.5 AS24444 Shandong Mobile Communication Company Limited 4.23ms from Jinan, CN
61.167.137.21 AS4837 CHINA UNICOM China169 Backbone 13.46ms from Liaoyang, CN
41.137.99.149 AS36884 Wana Corporate 13.84ms from Madrid, ES
73.226.7.85 AS7922 Comcast Cable Communications, LLC 7.80ms from Morris Plains, US
79.53.141.213 AS3269 Telecom Italia S.p.A. 17.24ms from Palermo, IT
216.252.179.229 AS13150 CATO NETWORKS LTD 0.18ms from Paris, FR
207.183.246.5 AS14051 Consolidated Communications, Inc. 4.96ms from San Jose, US
73.93.227.53 AS7922 Comcast Cable Communications, LLC 5.17ms from San Jose, US
170.0.51.5 AS264961 Aline de Oliveira Marin - ME 10.98ms from Sao Paulo, BR
3.36.229.213 AS16509 Amazon.com, Inc. 0.22ms from Seoul, KR
119.200.93.69 AS4766 Korea Telecom 6.26ms from Seoul, KR
216.15.31.149 AS6079 RCN 4.16ms from Ashburn, US
79.107.106.229 AS25472 Nova Telecommunications & Media Single Member S.A 6.13ms from Athens, GR
38.178.0.165 AS35986 Vyve Broadband 7.54ms from Atlanta, US
212.97.89.213 AS35699 Adamo Telecom Iberia S.A. 1.22ms from Barcelona, ES
175.6.249.21 AS63838 Hengyang 2.28ms from Chenzhou, CN
208.103.190.5 AS396953 Grundy IP Transport Inc. 0.20ms from Chicago, US
154.218.45.149 AS9294 GNET INC. 0.73ms from Hong Kong, HK
8.215.46.37 AS45102 Alibaba (US) Technology Co., Ltd. 0.41ms from Jakarta, ID

Traceroute

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

$
traceroute -a -n -q1 -f4 -m12 203.141.63.22
traceroute to 203.141.63.22 (203.141.63.22): 12 hops max, 52 byte packets
4 [AS6939] 216.66.76.181 1.887 ms
5 *
6 *
7 *
8 *
9 [AS6939] 184.104.199.9 122.451 ms
10 *
11 *
12 *
Measurement taken from IPinfo ProbeNet in Chicago, US
On

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.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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