123.98.224.0/20

AS4721 · JCOM Co., Ltd.

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Summary

Country	Japan
Domain	jcom.co.jp
ASN	AS4721
Parent Range	123.98.224.0/19
Registry	JPNIC
ID	JCN-CIDR-BLK-JP

WHOIS Details

inetnum:        123.98.224.0 - 123.98.239.255
netname:        JCN-CIDR-BLK-JP
descr:          JCOM Co., Ltd.
remarks:        Email address for spam or abuse complaints : [email protected]
country:        JP
admin-c:        JP00006551
tech-c:         JP00006551
last-modified:  2021-09-27T23:45:47Z
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 123.98.224.0/20

Range	ASN	Company	Num of IPs
123.98.224.0/19	AS4721	JCOM Co., Ltd.	8,192

Nearby Ranges

BGP prefixes that overlap with 123.98.0.0/16

Range	ASN	Company	Num of IPs
123.98.192.0/19	AS17577	LG HelloVision Corp.	8,192
123.98.224.0/19	AS4721	JCOM Co., Ltd.	8,192
123.98.144.0/20	AS2514	INTERLINK Co.,LTD.	4,096
123.98.240.0/20	AS4721	JCOM Co., Ltd.	4,096
123.98.213.0/24	AS17577	HVYeongnam	256
123.98.212.0/24	AS17577	HVYeongnam	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

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

IP Address	ASN	Details
123.98.239.217	AS4721 JCOM Co., Ltd.	`8.67ms` from Tokyo, JP
123.98.237.56	AS4721 JCOM Co., Ltd.	`8.73ms` from Tokyo, JP
123.98.228.1	AS4721 JCOM Co., Ltd.	`2.54ms` from Tokyo, JP
123.98.230.218	AS4721 JCOM Co., Ltd.	`11.34ms` from Tokyo, JP
123.98.226.117	AS4721 JCOM Co., Ltd.	`10.12ms` from Tokyo, JP
123.98.235.113	AS4721 JCOM Co., Ltd.	`11.66ms` from Tokyo, JP
123.98.227.83	AS4721 JCOM Co., Ltd.	`6.22ms` from Tokyo, JP
123.98.236.1	AS4721 JCOM Co., Ltd.	`2.78ms` from Tokyo, JP
123.98.234.192	AS4721 JCOM Co., Ltd.	`11.01ms` from Tokyo, JP
123.98.238.240	AS4721 JCOM Co., Ltd.	`8.26ms` from Tokyo, JP
123.98.232.1	AS4721 JCOM Co., Ltd.	`2.60ms` from Tokyo, JP
123.98.229.239	AS4721 JCOM Co., Ltd.	`12.43ms` from Tokyo, JP
123.98.231.78	AS4721 JCOM Co., Ltd.	`10.57ms` from Tokyo, JP
123.98.233.64	AS4721 JCOM Co., Ltd.	`10.38ms` from Tokyo, JP
123.98.224.1	AS4721 JCOM Co., Ltd.	`2.37ms` from Tokyo, JP
123.98.225.230	AS4721 JCOM Co., Ltd.	`9.62ms` 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
128.47.209.116	AS252 Headquarters, USAISC	`2.68ms` from Ashburn, US
68.49.21.132	AS7922 Comcast Cable Communications, LLC	`8.88ms` from Flint, US
14.249.148.84	AS45899 VNPT Corp	`1.98ms` from Hanoi, VN
39.112.101.148	AS9318 SK Broadband Co Ltd	`6.65ms` from Incheon, KR
68.101.225.36	AS22773 Cox Communications Inc.	`7.40ms` from Los Angeles, US
79.144.78.244	AS3352 TELEFONICA DE ESPANA S.A.U.	`7.71ms` from Madrid, ES
187.72.37.4	AS16735 ALGAR TELECOM S/A	`0.28ms` from Osasco, BR
72.211.155.132	AS22773 Cox Communications Inc.	`7.17ms` from Phoenix, US
144.202.0.84	AS20473 The Constant Company, LLC	`0.13ms` from Piscataway, US
119.163.103.20	AS4837 CHINA UNICOM China169 Backbone	`6.28ms` from Qingdao, CN
54.84.10.212	AS14618 Amazon.com, Inc.	`0.22ms` from Reston, US
222.121.139.68	AS4766 Korea Telecom	`1.63ms` from Seoul, KR
20.196.226.228	AS8075 Microsoft Corporation	`0.30ms` from Seoul, KR
157.147.159.52	AS2527 Sony Network Communications Inc.	`1.82ms` from Tokyo, JP
118.87.251.84	AS4721 JCOM Co., Ltd.	`11.88ms` from Tokyo, JP
78.58.209.20	AS8764 Telia Lietuva, AB	`6.81ms` from Vilnius, LT
190.205.201.84	AS8048 CANTV Servicios, Venezuela	`10.63ms` from Willemstad, CW
5.76.236.228	AS9198 JSC Kazakhtelecom	`2.31ms` from Almaty, KZ
98.159.156.132	AS14127 Iland Internet Solutions Corporation	`0.57ms` from Ashburn, US
35.245.33.132	AS396982 Google LLC	`0.14ms` from Ashburn, US
20.246.83.36	AS8075 Microsoft Corporation	`0.38ms` from Boydton, US
91.74.4.116	AS15802 Emirates Integrated Telecommunications Company PJSC	`3.89ms` from Dubai, AE
88.72.93.52	AS3209 Vodafone GmbH	`19.92ms` from Duesseldorf, DE
209.115.244.212	AS852 TELUS Communications Inc.	`0.72ms` from Edmonton, CA
18.199.179.84	AS16509 Amazon.com, Inc.	`0.46ms` from Frankfurt am Main, DE

Traceroute

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

traceroute -a -n -q1 123.98.228.237

traceroute to 123.98.228.237 (123.98.228.237): 64 hops max, 52 byte packets

1 [AS15169] 142.251.60.112 222.115 ms

2 *

3 [AS9824] 220.152.46.113 229.848 ms

4 *

5 *

6 *

7 [AS4721] 123.98.228.237 244.468 ms

Measurement taken from

IPinfo ProbeNet in Madrid, ES

On January 19th 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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