223.165.22.0/23

AS4721 · JCOM Co., Ltd.

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Summary

Country	Japan
Domain	jcom.co.jp
ASN	AS4721
Parent Range	223.165.20.0/22
Registry	APNIC
ID	JCN

WHOIS Details

inetnum:        223.165.20.0 - 223.165.23.255
netname:        JCN
descr:          JCOM Co., Ltd.
descr:          Daiwa Tower,
descr:          1-2-1 kamiogi,Suginami-ku,Tokyo,Japan
country:        JP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
status:         ALLOCATED PORTABLE
remarks:        Email address for spam or abuse complaints : [email protected]
mnt-irt:        IRT-JPNIC-JP
mnt-by:         MAINT-JPNIC
mnt-lower:      MAINT-JPNIC
last-modified:  2021-09-27T07:42:20Z
source:         APNIC

irt:            IRT-JPNIC-JP
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, Japan
e-mail:         [email protected]
abuse-mailbox:  [email protected]
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2020-07-23
mnt-by:         MAINT-JPNIC
last-modified:  2022-06-14T04:26:58Z
source:         APNIC

role:           Japan Network Information Center
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, Japan
country:        JP
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
e-mail:         [email protected]
admin-c:        JI13-AP
tech-c:         JE53-AP
nic-hdl:        JNIC1-AP
mnt-by:         MAINT-JPNIC
last-modified:  2022-01-05T03:04:02Z
source:         APNIC

inetnum:        223.165.20.0 - 223.165.23.255
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
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)
last-modified:  2021-09-27T23:51:05Z
source:         JPNIC

Overlapping Ranges

BGP prefixes that contain 223.165.22.0/23

Range	ASN	Company	Num of IPs
223.165.20.0/22	AS4721	JCOM Co., Ltd.	1,024

Nearby Ranges

BGP prefixes that overlap with 223.165.0.0/16

Range	ASN	Company	Num of IPs
223.165.128.0/17	AS38661	trizn inc.	32,768
223.165.32.0/19	AS4721	JCOM Co., Ltd.	8,192
223.165.80.0/20	AS10003	Ogaki Cable Television Co.,Inc.	4,096
223.165.96.0/20	AS13807	Great Plains Communications LLC	4,096
223.165.64.0/20	AS45179	SiteHost New Zealand	4,096
223.165.20.0/22	AS4721	JCOM Co., Ltd.	1,024
223.165.121.0/24	AS11377	SendGrid, Inc.	256
223.165.4.0/24	AS136258	Oneprovider.com - Taipei Infrastructure	256
223.165.5.0/24	AS136258	oneprovider.com - Islamabad Infrastructure	256
223.165.16.0/24	AS55850	Liverton Security Limited	256
223.165.6.0/24	AS149440	Evoxt Enterprise	256
223.165.115.0/24	AS11377	SendGrid, Inc.	256
223.165.7.0/24	AS7578	GSL Networks Pty LTD	256
223.165.113.0/24	AS11377	SendGrid, Inc.	256
223.165.24.0/24	AS55705	I World Tower, DLF CITY	256
223.165.25.0/24	AS55705	I World Tower, DLF CITY	256
223.165.26.0/24	AS55705	I World Tower, DLF CITY	256
223.165.27.0/24	AS55705	I World Tower, DLF CITY	256
223.165.28.0/24	AS55705	I World Tower, DLF CITY	256
223.165.29.0/24	AS55705	I World Tower, DLF CITY	256
223.165.30.0/24	AS55705	I World Tower, DLF CITY	256
223.165.31.0/24	AS55705	I World Tower, DLF CITY	256
223.165.118.0/24	AS11377	SendGrid, Inc.	256
223.165.120.0/24	AS11377	SendGrid, Inc.	256
223.165.119.0/24	AS11377	SendGrid, Inc.	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

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

IP Address	ASN	Details
223.165.22.117	AS4721 JCOM Co., Ltd.	`3.58ms` 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
5.107.38.103	AS5384 Emirates Internet	`2.88ms` from Al Fujairah City, AE
59.108.135.71	AS4847 China Networks Inter-Exchange	`17.63ms` from Beijing, CN
200.69.129.55	AS11664 Techtel LMDS Comunicaciones Interactivas S.A.	`1.00ms` from Buenos Aires, AR
41.248.115.39	AS36903 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM	`6.63ms` from Casablanca, MA
3.144.193.23	AS16509 Amazon.com, Inc.	`0.98ms` from Columbus, US
1.234.61.7	AS9318 SK Broadband Co Ltd	`1.57ms` from Incheon, KR
20.87.204.87	AS8075 Microsoft Corporation	`0.13ms` from Johannesburg, ZA
90.189.48.231	AS12389 PJSC Rostelecom	`5.37ms` from Novosibirsk, RU
112.163.186.87	AS4766 Korea Telecom	`8.32ms` from Seoul, KR
46.194.204.119	AS8434 Telenor Sverige AB	`14.77ms` from Stockholm, SE
92.249.218.119	AS20845 DIGI Tavkozlesi es Szolgaltato Kft.	`4.89ms` from Budapest, HU
208.104.201.135	AS14615 Comporium, Inc	`0.85ms` from Charlotte, US
71.64.201.167	AS10796 Charter Communications Inc	`17.75ms` from Columbus, US
217.228.156.247	AS3320 Deutsche Telekom AG	`7.21ms` from Frankfurt am Main, DE
67.122.36.183	AS7018 AT&T Enterprises, LLC	`1.77ms` from Los Angeles, US
77.106.61.199	AS12389 PJSC Rostelecom	`1.76ms` from Saint Petersburg, RU
18.245.8.7	AS16509 Amazon.com, Inc.	`0.49ms` from Seattle, US
103.120.198.7	AS137782 STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER COMPANY	`2.63ms` from Shanghai, CN
218.61.185.119	AS4837 CHINA UNICOM China169 Backbone	`9.34ms` from Tieling, CN
3.165.207.183	AS16509 Amazon.com, Inc.	`0.09ms` from Vienna, AT
59.172.1.71	AS4134 CHINANET-BACKBONE	`1.03ms` from Wuhan, CN
23.53.112.215	AS16625 Akamai Technologies, Inc.	`0.46ms` from Amsterdam, NL
32.214.127.135	AS46690 Southern New England Telephone Company and SNET America, Inc.	`12.34ms` from Ashburn, US
62.103.236.247	AS6799 Ote SA (Hellenic Telecommunications Organisation)	`1.21ms` from Athens, GR
92.5.26.55	AS31898 Oracle Corporation	`0.19ms` 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 -f3 223.165.22.81

traceroute to 223.165.22.81 (223.165.22.81): 64 hops max, 52 byte packets

3 [AS9824] 220.152.46.121 256.744 ms

4 *

5 *

6 [AS4721] 223.165.22.81 263.762 ms

Measurement taken from

IPinfo ProbeNet in Sao Paulo, BR

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.

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