219.117.8.0/21

AS4721 · JCOM Co., Ltd.

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Summary

Country	Japan
Domain	jcom.co.jp
ASN	AS4721
Parent Range	219.117.0.0/20
Registry	JPNIC
ID	JCOM-NET

WHOIS Details

inetnum:        219.117.8.0 - 219.117.15.255
netname:        JCOM-NET
descr:          Jupiter Telecommunications Co., Ltd.
country:        JP
admin-c:        JP00006551
tech-c:         JP00006551
last-modified:  2015-11-11T05:05:17Z
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 219.117.8.0/21

Range	ASN	Company	Num of IPs
219.117.0.0/20	AS4721	JCOM Co., Ltd.	4,096

Nearby Ranges

BGP prefixes that overlap with 219.117.0.0/16

Range	ASN	Company	Num of IPs
219.117.192.0/18	AS2514	INTERLINK Co.,LTD.	16,384
219.117.64.0/18	AS10010	TOKAI Communications Corporation	16,384
219.117.160.0/19	AS4721	JCOM Co., Ltd.	8,192
219.117.32.0/20	AS18126	Chubu Telecommunications Co.,Inc.	4,096
219.117.144.0/20	AS23784	SQUARE ENIX CO., LTD.	4,096
219.117.0.0/20	AS4721	JCOM Co., Ltd.	4,096
219.117.16.0/20	AS10003	Ogaki Cable Television Co.,Inc.	4,096
219.117.128.0/20	AS17691	NDS CO., LTD.	4,096
219.117.48.0/20	AS18092	Kyushu Tele Communications Company	4,096
219.117.160.0/20	AS4721	Jupiter Telecommunications Co., Ltd.	4,096
219.117.0.0/21	AS4721	Jupiter Telecommunications Co., Ltd.	2,048
219.117.52.0/22	AS18092	Sasebo Cable Television	1,024

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

Read more

Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
165.245.129.101	AS14061 DigitalOcean, LLC	`0.69ms` from Atlanta, US
20.60.209.101	AS8075 Microsoft Corporation	`0.38ms` from Az Za`ayin, QA
36.82.181.21	AS7713 PT Telekomunikasi Indonesia	`9.42ms` from Batam, ID
71.232.91.101	AS7922 Comcast Cable Communications, LLC	`9.31ms` from Boston, US
75.118.61.21	AS11776 Breezeline	`10.50ms` from Chicago, US
67.140.84.69	AS7029 Windstream Communications LLC	`12.63ms` from Chicago, US
63.35.45.197	AS16509 Amazon.com, Inc.	`0.18ms` from Dublin, IE
93.234.248.85	AS3320 Deutsche Telekom AG	`2.60ms` from Frankfurt am Main, DE
188.210.42.165	AS42652 inexio Informationstechnologie und Telekommunikation Gmbh	`2.88ms` from Frankfurt am Main, DE
218.21.159.37	AS4837 CHINA UNICOM China169 Backbone	`5.18ms` from Hohhot, CN
58.79.55.133	AS3786 LG DACOM Corporation	`1.97ms` from Incheon, KR
221.183.204.37	AS9808 China Mobile Communications Group Co., Ltd.	`0.72ms` from Jinan, CN
87.114.82.197	AS6871 Plusnet	`3.19ms` from London, GB
45.8.4.53	AS204303 Fibrasur Operadores S.L.	`10.26ms` from Madrid, ES
186.216.203.165	AS52973 YIPI Telecom LTDA.	`0.56ms` from Rio de Janeiro, BR
93.150.72.165	AS30722 Fastweb SpA	`14.40ms` from Rome, IT
115.88.51.21	AS3786 LG DACOM Corporation	`3.19ms` from Seoul, KR
220.71.37.37	AS4766 Korea Telecom	`1.10ms` from Seoul, KR
46.10.167.37	AS8866 Vivacom Bulgaria EAD	`6.32ms` from Sofia, BG
124.183.8.165	AS1221 Telstra Limited	`2.50ms` from Sydney, AU
66.232.37.5	AS54538 PALO ALTO NETWORKS	`1.43ms` from Tokyo, JP
207.245.234.149	AS6461 Zayo Bandwidth	`7.02ms` from Toronto, CA
41.225.111.213	AS37671 3S INF	`7.07ms` from Tunis, TN
50.85.112.53	AS8075 Microsoft Corporation	`0.27ms` from Amsterdam, NL
160.107.207.181	AS687 United States Department of Defense (DoD)	`2.73ms` from Ashburn, US

Traceroute

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

traceroute -a -n -q1 -m5 219.117.8.47

traceroute to 219.117.8.47 (219.117.8.47): 5 hops max, 52 byte packets

1 [AS26548] 23.159.160.1 1.039 ms

2 [AS26548] 169.197.81.64 0.645 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in New York City, US

On January 30th 2026

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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