219.113.96.0/21

AS4721 · JCOM Co., Ltd.

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Summary

Country	Japan
Domain	jcom.co.jp
ASN	AS4721
Parent Range	219.113.96.0/20
Registry	JPNIC
ID	JCN-CIDR-BLK-JP

WHOIS Details

inetnum:        219.113.96.0 - 219.113.111.255
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:  2021-09-28T00:06:16Z
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 219.113.96.0/21

Range	ASN	Company	Num of IPs
219.113.96.0/20	AS4721	JCOM Co., Ltd.	4,096

Nearby Ranges

BGP prefixes that overlap with 219.113.0.0/16

Range	ASN	Company	Num of IPs
219.113.128.0/17	AS17506	ARTERIA Networks Corporation	32,768
219.113.0.0/19	AS17675	PacketFabric (Japan) Co., Ltd.	8,192
219.113.32.0/20	AS18263	MEITETSUCOM Co., Ltd.	4,096
219.113.96.0/20	AS4721	JCOM Co., Ltd.	4,096
219.113.64.0/20	AS7671	NTT SmartConnect Corporation	4,096
219.113.112.0/20	AS9351	ZTV Co., Ltd.	4,096
219.113.80.0/20	AS9614	Oita Cable Telecom Co.,Ltd.	4,096
219.113.48.0/20	AS17698	CCNet COMPANY,INCORPORATED	4,096
219.113.26.0/24	AS32787	Toukei Computer Co., Ltd.	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

Read more

Pingable IPs

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

IP Address	ASN	Details
219.113.96.17	AS4721 JCOM Co., Ltd.	`2.32ms` 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
3.235.30.181	AS14618 Amazon.com, Inc.	`0.73ms` from Ashburn, US
3.213.115.213	AS14618 Amazon.com, Inc.	`0.47ms` from Ashburn, US
177.69.239.69	AS16735 ALGAR TELECOM S/A	`0.86ms` from Curitiba, BR
217.29.133.5	AS37349 Aptus Solutions Ltd	`0.34ms` from Dar es Salaam, TZ
80.154.119.181	AS3320 Deutsche Telekom AG	`0.82ms` from Duesseldorf, DE
117.27.143.117	AS133774 Fuzhou	`1.84ms` from Fuzhou, CN
154.206.229.165	AS9294 GNET INC.	`0.72ms` from Hong Kong, HK
109.123.246.21	AS51167 Contabo GmbH	`0.19ms` from Lauterbourg, FR
16.26.121.101	AS16509 Amazon.com, Inc.	`0.59ms` from Melbourne, AU
101.76.237.245	AS4538 China Education and Research Network Center	`5.94ms` from Qingdao, CN
70.98.128.53	AS7385 Allstream Business US, LLC	`13.46ms` from San Jose, US
131.150.213.245	AS20115 Charter Communications LLC	`13.17ms` from Seattle, US
114.40.25.5	AS3462 Data Communication Business Group	`3.95ms` from Taichung, TW
105.108.253.133	AS36947 Telecom Algeria	`14.43ms` from Algiers, DZ
50.19.251.229	AS14618 Amazon.com, Inc.	`0.57ms` from Ashburn, US
101.16.12.5	AS4837 CHINA UNICOM China169 Backbone	`9.43ms` from Beijing, CN
78.98.254.69	AS6855 Slovak Telekom, a.s.	`7.45ms` from Bratislava, SK
181.114.51.213	AS27927 Coop. Popular de Elec., Obras y Servicios Pub. de Santa Rosa LTDA	`15.08ms` from Buenos Aires, AR
94.124.100.101	AS213358 BITMARCK GmbH	`5.38ms` from Copenhagen, DK
2.202.30.85	AS3209 Vodafone GmbH	`3.80ms` from Duesseldorf, DE
51.102.186.165	AS16509 Amazon.com, Inc.	`0.18ms` from Frankfurt am Main, DE
129.173.46.101	AS8111 Dalhousie University	`0.35ms` from Halifax, CA
217.248.201.213	AS3320 Deutsche Telekom AG	`4.87ms` from Hamburg, DE
89.219.22.229	AS41007 CTC ASTANA LTD	`5.30ms` from Karagandy, KZ
121.121.224.133	AS9534 Binariang Berhad	`3.70ms` from Kuala Lumpur, MY

Traceroute

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

traceroute -a -n -q1 -m5 219.113.100.77

traceroute to 219.113.100.77 (219.113.100.77): 5 hops max, 52 byte packets

1 [AS136258] 185.213.23.211 0.118 ms

2 [AS56655] 185.125.170.251 0.092 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Sandefjord, NO

On March 13th 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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