202.72.64.0/21

AS4721  ·  JCOM Co., Ltd.

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Summary

Country Japan
Domain jcom.co.jp
ASN AS4721
Parent Range 202.72.64.0/20
Registry APNIC
ID JCN

WHOIS Details

inetnum:        202.72.64.0 - 202.72.79.255
netname:        JCN
descr:          JCOM Co., Ltd.
descr:          Daiwa Tower,
descr:          1-2-1 kamiogi,Suginami-ku,Tokyo,Japan
country:        JP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
status:         ALLOCATED PORTABLE
remarks:        Email address for spam or abuse complaints : abuse@home.ne.jp
mnt-irt:        IRT-JPNIC-JP
mnt-by:         MAINT-JPNIC
mnt-lower:      MAINT-JPNIC
last-modified:  2021-09-27T07:42:14Z
source:         APNIC

irt:            IRT-JPNIC-JP
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, Japan
e-mail:         hostmaster@nic.ad.jp
abuse-mailbox:  hostmaster@nic.ad.jp
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
auth:           # Filtered
remarks:        hostmaster@nic.ad.jp was validated on 2020-07-23
mnt-by:         MAINT-JPNIC
last-modified:  2022-06-14T04:26:58Z
source:         APNIC

role:           Japan Network Information Center
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, Japan
country:        JP
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
e-mail:         hostmaster@nic.ad.jp
admin-c:        JI13-AP
tech-c:         JE53-AP
nic-hdl:        JNIC1-AP
mnt-by:         MAINT-JPNIC
last-modified:  2022-01-05T03:04:02Z
source:         APNIC

inetnum:        202.72.64.0 - 202.72.79.255
netname:        JCN-CIDR-BLK-JP
descr:          JCOM Co., Ltd.
remarks:        Email address for spam or abuse complaints : abuse@home.ne.jp
country:        JP
admin-c:        JP00006551
tech-c:         JP00006551
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)
last-modified:  2021-09-27T23:48:42Z
source:         JPNIC

Overlapping Ranges

BGP prefixes that contain 202.72.64.0/21

Range ASN Company Num of IPs
202.72.64.0/20 AS4721 JCOM Co., Ltd. 4,096

Nearby Ranges

BGP prefixes that overlap with 202.72.0.0/16

Range ASN Company Num of IPs
202.72.128.0/18 AS4739 iiNet Limited 16,384
202.72.0.0/19 AS4058 CITIC Telecom International CPC Limited 8,192
202.72.48.0/20 AS23820 Rakuten Group, Inc. 4,096
202.72.96.0/20 AS22351 Intelsat Global Services Corporation 4,096
202.72.0.0/20 AS4058 CITIC Telecom International CPC Limited 4,096
202.72.16.0/20 AS4058 CITIC Telecom International CPC Limited 4,096
202.72.64.0/20 AS4721 JCOM Co., Ltd. 4,096
202.72.56.0/21 AS23820 Rakuten Group, Inc. 2,048
202.72.48.0/21 AS23820 Rakuten,Inc. 2,048
202.72.72.0/21 AS4721 JCOM Co., Ltd. 2,048
202.72.48.0/22 AS23820 Rakuten,Inc. 1,024
202.72.248.0/22 AS18120 Gemini Software Solutions, Hosting Services, Trivandrum, India 1,024
202.72.56.0/22 AS23820 Rakuten,Inc. 1,024
202.72.52.0/22 AS23820 Rakuten,Inc. 1,024
202.72.60.0/22 AS23820 Rakuten,Inc. 1,024
202.72.248.0/23 AS18120 Gemini Software Solutions, Hosting Services, Trivandrum, India 512
202.72.242.0/24 AS24320 Mongolian Railway Commercial Center - Railcom, 256
202.72.213.0/24 AS23953 PT ARTHA TELEKOMINDO 256
202.72.218.0/24 AS23953 PT ARTHA TELEKOMINDO 256
202.72.6.0/24 AS4058 CITIC Telecom International CPC Limited 256
202.72.32.0/24 AS24443 ISP Networks Pty Ltd, trading as ISPNet, 256
202.72.235.0/24 AS38210 Ranks Telecom Ltd. 256
202.72.225.0/24 AS134312 Digi Win Infotainment Mumbai Pvt Ltd 256
202.72.246.0/24 AS24320 Mongolian Railway Commercial Center - Railcom, 256
202.72.39.0/24 AS24443 ISP Networks Pty Ltd, trading as ISPNet, 256
202.72.236.0/24 AS38210 Ranks Telecom Ltd. 256
202.72.191.0/24 AS9543 iiNet Limited 256
202.72.219.0/24 AS23953 PT ARTHA TELEKOMINDO 256
202.72.216.0/24 AS23953 PT ARTHA TELEKOMINDO 256
202.72.147.0/24 AS9543 iiNet Limited 256
202.72.214.0/24 AS23953 SCBD.net 256
202.72.237.0/24 AS38210 Ranks Telecom Ltd. 256
202.72.195.0/24 AS18153 PT Multidata Rancana Prima 256
202.72.209.0/24 AS23953 PT ARTHA TELEKOMINDO 256
202.72.202.0/24 AS18153 PT Multidata Rancana Prima 256
202.72.244.0/24 AS24320 Mongolian Railway Commercial Center - Railcom, 256
202.72.217.0/24 AS56060 PT ARTHA TELEKOMINDO 256
202.72.217.0/24 AS56060 PT ARTHA TELEKOMINDO 256
202.72.206.0/24 AS18153 PT Multidata Rancana Prima 256
202.72.247.0/24 AS24320 Mongolian Railway Commercial Center - Railcom, 256
202.72.196.0/24 AS18153 PT Multidata Rancana Prima 256
202.72.241.0/24 AS24320 Mongolian Railway Commercial Center - Railcom, 256
202.72.98.0/24 AS22351 Cloudcast Digital limited 256
202.72.35.0/24 AS24443 ISP Networks Pty Ltd, trading as ISPNet, 256
202.72.227.0/24 AS134312 Digi Win Infotainment Mumbai Pvt Ltd 256
202.72.240.0/24 AS24320 Mongolian Railway Commercial Center - Railcom, 256
202.72.231.0/24 AS134795 South Asia Universal Limited 256
202.72.201.0/24 AS18153 PT Multidata Rancana Prima 256
202.72.215.0/24 AS23953 SCBD.net 256

Hosted domains

There are no domains currently hosted on this ASN.

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

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

IP Address ASN Details
202.72.66.122 AS4721 JCOM Co., Ltd. 12.24ms from Tokyo, JP
202.72.67.160 AS4721 JCOM Co., Ltd. 12.32ms from Tokyo, JP
202.72.65.210 AS4721 JCOM Co., Ltd. 8.60ms from Tokyo, JP
202.72.64.1 AS4721 JCOM Co., Ltd. 2.90ms from Tokyo, JP
202.72.68.1 AS4721 JCOM Co., Ltd. 3.09ms from Tokyo, JP
202.72.70.1 AS4721 JCOM Co., Ltd. 2.67ms from Tokyo, JP
202.72.69.105 AS4721 JCOM Co., Ltd. 12.34ms 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
173.236.69.101 AS32475 Internap Holding LLC 0.88ms from Amsterdam, NL
129.123.3.69 AS26046 Utah State University 3.18ms from Salt Lake City, US
73.20.20.21 AS7922 Comcast Cable Communications, LLC 6.96ms from Salt Lake City, US
84.184.226.5 AS3320 Deutsche Telekom AG 4.06ms from Berlin, DE
182.207.13.37 AS4134 CHINANET-BACKBONE 8.90ms from Dalian, CN
64.169.20.101 AS7018 AT&T Enterprises, LLC 10.91ms from Dallas, US
82.67.156.69 AS12322 Free SAS 1.87ms from Paris, FR
109.58.97.165 AS44034 Hi3G Access AB 6.15ms from Copenhagen, DK
201.237.235.21 AS11830 Instituto Costarricense de Electricidad y Telecom. 4.41ms from Curridabat, CR
54.93.109.213 AS16509 Amazon.com, Inc. 0.19ms from Frankfurt am Main, DE
79.3.101.101 AS3269 Telecom Italia S.p.A. 5.08ms from Milan, IT
111.186.7.165 AS4538 China Education and Research Network Center 2.13ms from Shanghai, CN
61.245.23.245 AS135607 Infinivan Incorporated 0.23ms from Manila, PH
174.61.231.213 AS7922 Comcast Cable Communications, LLC 5.15ms from Seattle, US
44.235.16.69 AS16509 Amazon.com, Inc. 0.17ms from Boardman, US
50.207.140.37 AS7922 Comcast Cable Communications, LLC 1.67ms from Boston, US
137.49.128.5 AS393337 The University of Hartford 6.71ms from New York City, US
50.145.74.165 AS7922 Comcast Cable Communications, LLC 2.21ms from Santa Clara, US
73.178.158.5 AS7922 Comcast Cable Communications, LLC 8.04ms from Ashburn, US
20.241.172.101 AS8075 Microsoft Corporation 0.44ms from Ashburn, US
62.10.38.149 AS8070 Microsoft Corporation 0.72ms from Boydton, US
195.41.228.165 AS3292 TDC Holding A/S 3.19ms from Copenhagen, DK
54.78.199.213 AS16509 Amazon.com, Inc. 0.12ms from Dublin, IE
68.56.163.197 AS7922 Comcast Cable Communications, LLC 10.97ms from Flint, US
31.111.56.101 AS6871 Plusnet 4.49ms from London, GB

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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