218.219.80.0/21

AS4721 · JCOM Co., Ltd.

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Summary

Country	Japan
Domain	jcom.co.jp
ASN	AS4721
Parent Range	218.219.80.0/20
Registry	JPNIC
ID	JCN-CIDR-BLK-JP

WHOIS Details

inetnum:        218.219.80.0 - 218.219.83.255
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
last-modified:  2021-09-28T00:04:15Z
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

Overlapping Ranges

BGP prefixes that contain 218.219.80.0/21

Range	ASN	Company	Num of IPs
218.219.80.0/20	AS4721	JCOM Co., Ltd.	4,096

Nearby Ranges

BGP prefixes that overlap with 218.219.0.0/16

Range	ASN	Company	Num of IPs
218.219.0.0/18	AS10010	TOKAI Communications Corporation	16,384
218.219.192.0/18	AS4685	Asahi Net	16,384
218.219.96.0/19	AS7679	QTnet,Inc.	8,192
218.219.160.0/19	AS17961	mitene internet co.,ltd.	8,192
218.219.80.0/20	AS4721	JCOM Co., Ltd.	4,096
218.219.0.0/20	AS10010	TOKAI Communications Corporation	4,096
218.219.144.0/20	AS17948	EditNet, Inc.	4,096
218.219.32.0/20	AS10010	TOKAI Communications Corporation	4,096
218.219.64.0/20	AS17941	Equinix Japan Enterprise K.K.	4,096
218.219.128.0/20	AS7679	QTnet,Inc.	4,096
218.219.56.0/21	AS10010	TOKAI Communications Corporation	2,048
218.219.88.0/21	AS4721	JCOM Co., Ltd.	2,048
218.219.48.0/22	AS10010	TOKAI Communications Corporation	1,024

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP

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

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Pingable IPs

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

IP Address	ASN	Details
218.219.85.213	AS4721 JCOM Co., Ltd.	10.70ms from Tokyo, JP
218.219.87.101	AS4721 JCOM Co., Ltd.	11.70ms from Tokyo, JP
218.219.81.105	AS4721 JCOM Co., Ltd.	2.12ms from Tokyo, JP
218.219.84.1	AS4721 JCOM Co., Ltd.	3.88ms from Tokyo, JP
218.219.80.136	AS4721 JCOM Co., Ltd.	0.93ms from Tokyo, JP
218.219.82.233	AS4721 JCOM Co., Ltd.	0.83ms from Tokyo, JP
218.219.86.252	AS4721 JCOM Co., Ltd.	14.06ms 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
219.143.250.21	AS4847 China Networks Inter-Exchange	2.70ms from Beijing, CN
178.41.56.213	AS6855 Slovak Telekom, a.s.	1.89ms from Bratislava, SK
120.32.50.101	AS4134 CHINANET-BACKBONE	0.97ms from Fuzhou, CN
86.158.198.21	AS2856 British Telecommunications PLC	7.50ms from London, GB
207.150.241.165	AS18895 Nustream Communications	0.31ms from San Juan, PR
210.123.155.5	AS4766 Korea Telecom	5.07ms from Seoul, KR
153.211.171.53	AS4713 NTT Communications Corporation	7.39ms from Tokyo, JP
111.163.166.133	AS4837 CHINA UNICOM China169 Backbone	6.62ms from Beijing, CN
201.72.222.133	AS4230 CLARO S.A.	2.91ms from Brasilia, BR
104.58.212.149	AS7018 AT&T Enterprises, LLC	1.61ms from Chicago, US
122.247.110.69	AS4134 CHINANET-BACKBONE	8.25ms from Hangzhou, CN
103.53.114.133	AS9633 SUDOKWON Landfill Site Management Corp	1.35ms from Seoul, KR
112.26.132.53	AS9808 China Mobile Communications Group Co., Ltd.	9.51ms from Wuhan, CN
213.249.80.21	AS35470 Signet B.V.	0.70ms from Amsterdam, NL
103.217.83.165	AS141329 Udupi Fastnet Private Limited	0.76ms from Bengaluru, IN
35.239.118.101	AS396982 Google LLC	0.11ms from Council Bluffs, US
212.16.225.5	AS12759 Stephan Fuss trading as SoftCom Datensysteme	0.56ms from Frankfurt am Main, DE
41.215.77.165	AS15808 ACCESSKENYA GROUP LTD is an ISP serving	0.80ms from Nairobi, KE
174.57.214.53	AS7922 Comcast Cable Communications, LLC	8.99ms from Piscataway, US
189.23.96.245	AS4230 CLARO S.A.	0.98ms from Rio de Janeiro, BR
50.233.176.229	AS7922 Comcast Cable Communications, LLC	1.39ms from Atlanta, US
14.237.167.165	AS45899 VNPT Corp	4.67ms from Ho Chi Minh City, VN
209.106.160.53	AS2572 University of Missouri - dba the Missouri Research and Education Network (MOREnet)	0.98ms from Kansas City, US
62.249.156.181	AS20485 Joint Stock Company TransTeleCom	4.91ms from Khabarovsk, RU
109.176.176.37	AS8851 GCI Network Solutions Limited	2.90ms 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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