219.117.0.0/21

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:        219.117.0.0 - 219.117.7.255
netname:        JCOM-NET
descr:          Jupiter Telecommunications Co., Ltd.
country:        JP
admin-c:        JP00006551
tech-c:         JP00006551
last-modified:  2015-11-11T05:05:15Z
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 219.117.0.0/21

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
219.117.8.0/21	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

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Pingable IPs

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

IP Address	ASN	Details
219.117.2.154	AS4721 JCOM Co., Ltd.	`12.13ms` from Tokyo, JP
219.117.5.164	AS4721 JCOM Co., Ltd.	`11.85ms` from Tokyo, JP
219.117.4.1	AS4721 JCOM Co., Ltd.	`2.54ms` from Tokyo, JP
219.117.7.188	AS4721 JCOM Co., Ltd.	`9.79ms` from Tokyo, JP
219.117.6.102	AS4721 JCOM Co., Ltd.	`12.71ms` from Tokyo, JP
219.117.3.183	AS4721 JCOM Co., Ltd.	`11.72ms` from Tokyo, JP
219.117.0.1	AS4721 JCOM Co., Ltd.	`2.46ms` from Tokyo, JP
219.117.1.110	AS4721 JCOM Co., Ltd.	`10.23ms` 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
139.91.161.21	AS8522 Foundation of Research and Technology Hellas	`7.90ms` from Athens, GR
78.131.38.245	AS20845 DIGI Tavkozlesi es Szolgaltato Kft.	`1.24ms` from Budapest, HU
173.240.4.5	AS19693 Centrilogic, Inc.	`0.46ms` from Buffalo, US
41.74.127.5	AS327771 Milan Cable	`10.52ms` from Dar es Salaam, TZ
185.26.231.5	AS34922 CSC Administrative Services Limited	`0.71ms` from London, GB
93.95.160.69	AS35539 Information and Communication Technologies LLC	`1.76ms` from Moscow, RU
93.199.137.213	AS3320 Deutsche Telekom AG	`4.01ms` from Nuernberg, DE
47.25.236.69	AS20115 Charter Communications LLC	`10.49ms` from Seattle, US
60.155.144.133	AS17676 SoftBank Corp.	`5.62ms` from Tokyo, JP
72.136.139.5	AS812 Rogers Communications Canada Inc.	`15.61ms` from Toronto, CA
78.152.14.133	AS43118 East & West Sp. z o.o.	`7.72ms` from Warsaw, PL
171.11.207.213	AS4134 CHINANET-BACKBONE	`9.21ms` from Zhengzhou, CN
71.225.195.181	AS7922 Comcast Cable Communications, LLC	`7.93ms` from Ashburn, US
101.5.201.85	AS4538 China Education and Research Network Center	`4.60ms` from Beijing, CN
190.230.170.197	AS7303 Telecom Argentina S.A.	`1.73ms` from Buenos Aires, AR
112.195.196.149	AS4837 CHINA UNICOM China169 Backbone	`4.84ms` from Chengdu, CN
34.57.145.21	AS396982 Google LLC	`0.13ms` from Council Bluffs, US
18.192.215.197	AS16509 Amazon.com, Inc.	`0.15ms` from Frankfurt am Main, DE
185.64.112.101	AS200062 Optitrust GmbH	`3.10ms` from Frankfurt am Main, DE
105.246.228.133	AS36994 Vodacom	`1.63ms` from Johannesburg, ZA
188.239.71.149	AS29013 Telecommunication company "Link Telecom" LTD	`5.69ms` from Kyiv, UA
105.172.149.21	AS37119 UNITEL SA	`1.32ms` from Luanda, AO
213.85.40.229	AS8615 "Central Telegraph" Public Joint-stock Company	`1.69ms` from Moscow, RU
69.248.223.117	AS7922 Comcast Cable Communications, LLC	`9.47ms` from New York City, US
121.251.255.85	AS4538 China Education and Research Network Center	`1.39ms` from Qingdao, CN

Traceroute

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

traceroute -a -n -q1 -f5 219.117.7.169

traceroute to 219.117.7.169 (219.117.7.169): 64 hops max, 52 byte packets

5 [AS5580] 203.190.230.37 1.03 ms

6 [AS9824] 203.165.0.53 0.754 ms

7 *

8 *

9 *

10 [AS4721] 219.117.7.169 17.693 ms

Measurement taken from

IPinfo ProbeNet in Tokyo, JP

On December 6th 2025

What are IP address ranges?

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