203.165.0.0/16

AS9824 · JCOM Co., Ltd.

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Summary

Country	Japan
Domain	jcom.co.jp
ASN	AS9824
Registry	APNIC
ID	JTCL-JP

WHOIS Details

inetnum:        203.165.0.0 - 203.165.127.255
netname:        JTCL-JP
descr:          JCOM Co., Ltd.
country:        JP
org:            ORG-JTCL1-AP
admin-c:        JTCL2-AP
tech-c:         JTCL2-AP
abuse-c:        AJ428-AP
status:         ALLOCATED PORTABLE
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-JTCL-JP
mnt-routes:     MAINT-JTCL-JP
mnt-irt:        IRT-JTCL-JP
last-modified:  2021-10-18T23:14:13Z
source:         APNIC

irt:            IRT-JTCL-JP
address:        1-2-1, Kamiogi, Suginami-ku
address:        Tokyo, Japan, 167-0043
e-mail:         abuse@home.ne.jp
abuse-mailbox:  abuse@home.ne.jp
admin-c:        JTCL2-AP
tech-c:         JTCL2-AP
auth:           # Filtered
remarks:        abuse@home.ne.jp was validated on 2025-11-11
mnt-by:         MAINT-JTCL-JP
last-modified:  2025-11-18T00:29:34Z
source:         APNIC

organisation:   ORG-JTCL1-AP
org-name:       JCOM Co., Ltd.
org-type:       LIR
country:        JP
address:        1-2-1, Kamiogi, Suginami-ku
address:        Tokyo, Japan, 167-0043
phone:          +81-3-4366-8870
fax-no:         +81-3-4366-8571
e-mail:         abuse@home.ne.jp
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:29Z
source:         APNIC

role:           ABUSE JTCLJP
country:        ZZ
address:        1-2-1, Kamiogi, Suginami-ku
address:        Tokyo, Japan, 167-0043
phone:          +000000000
e-mail:         abuse@home.ne.jp
admin-c:        JTCL2-AP
tech-c:         JTCL2-AP
nic-hdl:        AJ428-AP
remarks:        Generated from irt object IRT-JTCL-JP
remarks:        abuse@home.ne.jp was validated on 2025-11-11
abuse-mailbox:  abuse@home.ne.jp
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-11T13:40:10Z
source:         APNIC

role:           Jupiter Telecommunication Co Ltd administrator
address:        1-2-1, Kamiogi,Suginami-ku
address:        Tokyo, Japan, 167-0043
country:        JP
phone:          +81-3-6765-8000
e-mail:         abuse@home.ne.jp
admin-c:        JTCL2-AP
tech-c:         JTCL2-AP
nic-hdl:        JTCL2-AP
mnt-by:         MAINT-JTCL-JP
last-modified:  2025-07-01T05:25:52Z
source:         APNIC

Overlapping Ranges

BGP prefixes that are contained by 203.165.0.0/16

Range	ASN	Company	Num of IPs
203.165.128.0/17	AS9824	JCOM Co., Ltd.	32,768
203.165.0.0/17	AS9824	JCOM Co., Ltd.	32,768

Nearby Ranges

BGP prefixes that overlap with 203.0.0.0/8

Range	ASN	Company	Num of IPs
203.40.0.0/13	AS1221	Telstra Limited	524,288
203.48.0.0/14	AS1221	Telstra Limited	262,144
203.36.0.0/14	AS1221	Telstra Limited	262,144
203.52.0.0/15	AS1221	Telstra Limited	131,072
203.102.0.0/15	AS703	Verizon Australia PTY Limited	131,072
203.63.0.0/16	AS2764	AAPT Limited	65,536
203.162.0.0/16	AS7643	Vietnam Posts and Telecommunications Group	65,536
203.177.0.0/16	AS17894	Globe Telecom	65,536
203.157.0.0/16	AS9649	Ministry of Public Health, Thailand	65,536
203.151.0.0/16	AS56223	Internet Thailand Company Limited	65,536
203.66.0.0/16	AS3462	Data Communication Business Group,	65,536
203.155.0.0/16	AS135620	KSC Commercial Internet Co. Ltd.	65,536
203.69.0.0/16	AS137280	Data Communication Business Group,	65,536
203.177.0.0/16	AS132595	Globe Telecom	65,536
203.231.0.0/16	AS9684	SEJONG NETWORKS	65,536
203.200.0.0/16	AS4755	Internet Service Provider	65,536
203.74.0.0/16	AS3462	Data Communication Business Group,	65,536
203.67.0.0/16	AS4780	Digital United Inc.	65,536
203.73.0.0/16	AS4780	Digital United Inc.	65,536
203.155.0.0/16	AS55844	KSC Commercial Internet Co. Ltd.	65,536
203.108.0.0/16	AS703	OzEmail Pty Ltd	65,536
203.155.0.0/16	AS7693	KSC Commercial Internet Co. Ltd.	65,536
203.200.0.0/16	AS40009	Internet Service Provider	65,536
203.182.0.0/16	AS4673	NTT DATA CORPORATION	65,536
203.177.0.0/16	AS24451	Globe Telecom	65,536
203.177.0.0/16	AS24179	Globe Telecom	65,536
203.75.0.0/16	AS3462	Data Communication Business Group,	65,536
203.155.0.0/16	AS45197	KSC Commercial Internet Co. Ltd.	65,536
203.197.0.0/16	AS4755	Internet Service Provider	65,536
203.61.0.0/16	AS703	Verizon Australia PTY Limited	65,536
203.70.0.0/16	AS4780	Digital United Inc.	65,536
203.35.0.0/16	AS1221	Telstra Limited	65,536
203.151.0.0/16	AS4618	Internet Thailand Company Limited	65,536
203.154.0.0/16	AS4618	Internet Thailand Company Limited	65,536
203.54.0.0/16	AS1221	Telstra Limited	65,536
203.68.0.0/16	AS1659	Taiwan Academic Network	65,536
203.64.0.0/16	AS1659	Taiwan Academic Network	65,536
203.69.0.0/16	AS3462	Data Communication Business Group,	65,536
203.177.0.0/16	AS132199	Globe Telecom	65,536
203.231.0.0/16	AS3608	SEJONG NETWORKS	65,536
203.155.0.0/16	AS23644	KSC Commercial Internet Co. Ltd.	65,536
203.125.0.0/16	AS3758	SingNet Pte Ltd	65,536
203.59.0.0/16	AS7545	iiNet Limited	65,536
203.59.0.0/16	AS4739	iiNet Limited	65,536
203.106.0.0/16	AS4788	TM TECHNOLOGY SERVICES SDN. BHD.	65,536
203.231.0.0/16	AS131866	SEJONG NETWORKS	65,536
203.108.0.0/16	AS12234	OzEmail Pty Ltd	65,536
203.227.0.0/16	AS9848	SEJONG NETWORKS	65,536
203.231.0.0/16	AS9973	SEJONG NETWORKS	65,536
203.74.0.0/16	AS131660	Data Communication Business Group,	65,536

Hosted domains

There are 15 domain names hosted across 12 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
203.165.120.22	skyrik.com	3
203.165.28.43	jcom.jp	1
203.165.177.192	marihouse.biz	1
203.165.179.34	finity4all.store	1
203.165.149.44	ultima-wizard.com	1
203.165.51.64	chalkless.org	1

Hosted domains API

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Useful for Cybersecurity

Read more

Pingable IPs

1,473 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
203.165.108.1	AS9824 JCOM Co., Ltd.	`4.16ms` from Tokyo, JP
203.165.158.23	AS9824 JCOM Co., Ltd.	`10.84ms` from Tokyo, JP
203.165.51.64	AS9824 JCOM Co., Ltd.	`6.38ms` from Tokyo, JP
203.165.164.1	AS9824 JCOM Co., Ltd.	`2.28ms` from Tokyo, JP
203.165.13.140	AS9824 JCOM Co., Ltd.	`1.24ms` from Tokyo, JP
203.165.100.1	AS9824 JCOM Co., Ltd.	`2.16ms` from Tokyo, JP
203.165.232.1	AS9824 JCOM Co., Ltd.	`2.19ms` from Tokyo, JP
203.165.38.173	AS9824 JCOM Co., Ltd.	`7.08ms` from Tokyo, JP
203.165.85.188	AS9824 JCOM Co., Ltd.	`7.99ms` from Tokyo, JP
203.165.156.1	AS9824 JCOM Co., Ltd.	`2.27ms` from Tokyo, JP
203.165.17.57	AS9824 JCOM Co., Ltd.	`1.47ms` from Tokyo, JP
203.165.163.9	AS9824 JCOM Co., Ltd.	`9.87ms` from Tokyo, JP
203.165.215.28	AS9824 JCOM Co., Ltd.	`11.15ms` from Tokyo, JP
203.165.14.33	AS9824 JCOM Co., Ltd.	`1.62ms` from Tokyo, JP
203.165.47.160	AS9824 JCOM Co., Ltd.	`9.41ms` from Tokyo, JP
203.165.165.1	AS9824 JCOM Co., Ltd.	`11.03ms` from Tokyo, JP
203.165.213.253	AS9824 JCOM Co., Ltd.	`10.69ms` from Tokyo, JP
203.165.177.249	AS9824 JCOM Co., Ltd.	`10.67ms` from Tokyo, JP
203.165.82.232	AS9824 JCOM Co., Ltd.	`10.57ms` from Tokyo, JP
203.165.211.162	AS9824 JCOM Co., Ltd.	`12.00ms` from Tokyo, JP
203.165.151.194	AS9824 JCOM Co., Ltd.	`10.99ms` from Tokyo, JP
203.165.37.150	AS9824 JCOM Co., Ltd.	`5.85ms` from Tokyo, JP
203.165.71.30	AS9824 JCOM Co., Ltd.	`11.49ms` from Tokyo, JP
203.165.25.129	AS9824 JCOM Co., Ltd.	`1.62ms` from Tokyo, JP
203.165.159.180	AS9824 JCOM Co., Ltd.	`11.56ms` 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
154.180.80.80	AS8452 TE-AS	`7.08ms` from Cairo, EG
41.239.114.160	AS8452 TE-AS	`8.33ms` from Cairo, EG
176.38.109.16	AS39608 Lanet Network Ltd	`0.76ms` from Kyiv, UA
86.165.94.224	AS2856 British Telecommunications PLC	`5.54ms` from London, GB
122.131.49.192	AS2518 BIGLOBE Inc.	`3.88ms` from Osaka, JP
162.248.103.16	AS397031 GALAXYGATE, LLC	`0.85ms` from Piscataway, US
3.212.11.208	AS14618 Amazon.com, Inc.	`0.21ms` from Reston, US
190.21.82.16	AS7418 TELEFÓNICA CHILE S.A.	`2.83ms` from Santiago, CL
218.49.54.128	AS9318 SK Broadband Co Ltd	`2.06ms` from Seoul, KR
217.216.143.48	AS5650 Frontier Communications of America, Inc.	`0.45ms` from Ashburn, US
95.86.182.96	AS34876 smart systems	`2.71ms` from Baku, AZ
35.155.186.48	AS16509 Amazon.com, Inc.	`0.15ms` from Boardman, US
128.138.237.16	AS104 University of Colorado at Boulder	`2.14ms` from Denver, US
78.130.100.176	AS2860 NOS COMUNICACOES, S.A.	`14.10ms` from Lisbon, PT
36.35.135.208	AS4837 CHINA UNICOM China169 Backbone	`13.36ms` from Nanjing, CN
168.196.160.0	AS265465 JJVA Provedor de Internet ME LTDA	`14.71ms` from Rio de Janeiro, BR
52.143.200.224	AS8075 Microsoft Corporation	`1.28ms` from Sydney, AU
83.76.111.224	AS3303 Swisscom (Switzerland) Ltd	`1.96ms` from Zuerich, CH
38.225.228.128	AS271957 SOMOS NETWORKS COLOMBIA S.A.S. BIC	`0.38ms` from Bogotá, CO
3.146.228.32	AS16509 Amazon.com, Inc.	`0.14ms` from Columbus, US
182.254.229.224	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.97ms` from Guangzhou, CN
183.162.238.16	AS4134 CHINANET-BACKBONE	`7.43ms` from Huai'an, CN
84.77.62.16	AS12479 Orange Espagne SA	`11.86ms` from Madrid, ES
188.76.199.16	AS12479 Orange Espagne SA	`10.37ms` from Madrid, ES
129.153.79.208	AS31898 Oracle Corporation	`0.28ms` from Phoenix, US

Traceroute

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

traceroute -a -n -q1 203.165.10.16

traceroute to 203.165.10.16 (203.165.10.16): 64 hops max, 52 byte packets

1 [AS39020] 151.236.23.1 60.737 ms

2 *

3 *

4 [AS174] 154.54.58.137 14.546 ms

5 [AS174] 154.54.72.66 25.76 ms

6 [AS174] 154.54.92.94 164.521 ms

7 [AS174] 154.54.95.157 228.418 ms

8 [AS174] 154.18.0.101 228.689 ms

9 [AS9824] 116.214.18.33 228.218 ms

10 *

11 *

12 *

13 [AS9824] 203.165.10.234 231.617 ms

14 [AS9824] 203.165.10.16 231.481 ms

Measurement taken from

IPinfo ProbeNet in Sevilla, ES

On December 14th 2025

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