203.114.248.0/23

AS4721 · JCOM Co., Ltd.

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Summary

Country	Japan
Domain	jcom.co.jp
ASN	AS4721
Parent Range	203.114.248.0/22
Registry	APNIC
ID	JCN

WHOIS Details

inetnum:        203.114.248.0 - 203.114.251.255
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 : abuse@home.ne.jp
mnt-irt:        IRT-JPNIC-JP
mnt-by:         MAINT-JPNIC
mnt-lower:      MAINT-JPNIC
last-modified:  2021-09-27T07:42:17Z
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:         hostmaster@nic.ad.jp
abuse-mailbox:  hostmaster@nic.ad.jp
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
auth:           # Filtered
remarks:        hostmaster@nic.ad.jp 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:         hostmaster@nic.ad.jp
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:        203.114.248.0 - 203.114.251.255
netname:        JCOM-NET
descr:          Jupiter Telecommunications Co., Ltd.
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:  2015-11-25T04:50:19Z
source:         JPNIC

Overlapping Ranges

BGP prefixes that contain 203.114.248.0/23

Range	ASN	Company	Num of IPs
203.114.248.0/22	AS4721	JCOM Co., Ltd.	1,024

Nearby Ranges

BGP prefixes that overlap with 203.114.0.0/16

Range	ASN	Company	Num of IPs
203.114.128.0/18	AS17705	InSPire Net Ltd	16,384
203.114.0.0/18	AS2519	ARTERIA Networks Corporation	16,384
203.114.96.0/19	AS131293	TOT public company limited	8,192
203.114.96.0/19	AS134166	TOT public company limited	8,192
203.114.96.0/19	AS23969	TOT public company limited	8,192
203.114.192.0/19	AS7679	QTnet,Inc.	8,192
203.114.76.0/22	AS9268	Over the Wire Pty Ltd	1,024
203.114.240.0/22	AS131181	63 MOONS TECHNOLOGIES LIMITED	1,024
203.114.68.0/22	AS138691	United Information Highway Co.,Ltd.	1,024
203.114.252.0/22	AS153494	YOUNG GLORY GROUP LIMITED	1,024
203.114.68.0/22	AS38794	United Information Highway Co.,Ltd.	1,024
203.114.244.0/22	AS45110	Beijing Tian Wei Xin Tong technology corp. limited	1,024
203.114.248.0/22	AS4721	JCOM Co., Ltd.	1,024
203.114.228.0/22	AS10010	Atsugi Isehara Cable Network Co.,Ltd	1,024
203.114.236.0/23	AS58495	PT. SKYNET MITRA TEKNOLOGI	512
203.114.224.0/23	AS45697	Universitas Surabaya	512
203.114.233.0/24	AS45769	AntarikshCommununicationsPvtLtd	256
203.114.234.0/24	AS45769	AntarikshCommununicationsPvtLtd	256
203.114.235.0/24	AS45769	AntarikshCommununicationsPvtLtd	256
203.114.72.0/24	AS134451	PT Dewaweb Cloud ID	256
203.114.74.0/24	AS134451	CLDR DS ID Cloud	256
203.114.75.0/24	AS38001	CLDR EU Singapore X	256
203.114.73.0/24	AS63956	CLDR DS AU Cloud	256
203.114.232.0/24	AS45769	AntarikshCommununicationsPvtLtd	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

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

IP Address	ASN	Details
203.114.249.103	AS4721 JCOM Co., Ltd.	`0.60ms` 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
109.121.90.23	AS8771 YUnet International d.o.o.	`4.54ms` from Belgrade, RS
16.144.26.167	AS16509 Amazon.com, Inc.	`0.51ms` from Boardman, US
170.37.109.7	AS19443 Staples, Inc	`1.20ms` from Boston, US
190.57.206.135	AS19889 Cooperativa Telefonica Del Viso	`1.21ms` from Buenos Aires, AR
107.6.133.87	AS32475 Internap Holding LLC	`0.82ms` from Chicago, US
18.119.3.23	AS16509 Amazon.com, Inc.	`0.17ms` from Columbus, US
5.39.29.55	AS16276 OVH SAS	`0.07ms` from Gravelines, FR
69.151.139.39	AS7018 AT&T Enterprises, LLC	`1.36ms` from Houston, US
221.158.39.55	AS4766 Korea Telecom	`2.75ms` from Incheon, KR
58.122.60.183	AS9318 SK Broadband Co Ltd	`1.71ms` from Incheon, KR
221.130.175.247	AS9808 China Mobile Communications Group Co., Ltd.	`7.40ms` from Nanjing, CN
27.218.69.119	AS4837 CHINA UNICOM China169 Backbone	`9.39ms` from Qingdao, CN
178.117.106.167	AS6848 Telenet BV	`8.42ms` from Roubaix, FR
194.147.100.167	AS201106 Spartan Host Ltd	`0.24ms` from Seattle, US
123.199.79.7	AS10066 LG HelloVision Corp.	`7.97ms` from Seoul, KR
1.165.73.119	AS3462 Data Communication Business Group	`1.55ms` from Taichung, TW
97.230.141.135	AS6167 Verizon Business	`11.80ms` from Atlanta, US
18.184.3.183	AS16509 Amazon.com, Inc.	`0.44ms` from Frankfurt am Main, DE
88.244.14.87	AS9121 Turk Telekomunikasyon Anonim Sirketi	`8.19ms` from Istanbul, TR
86.138.97.87	AS2856 British Telecommunications PLC	`1.86ms` from London, GB
86.150.111.71	AS2856 British Telecommunications PLC	`4.21ms` from London, GB
139.103.102.119	AS611 NB-PEI Educational Computer Network	`15.63ms` from Montreal, CA
126.220.165.87	AS17676 SoftBank Corp.	`3.54ms` from Osaka, JP
134.16.54.119	AS20115 Charter Communications LLC	`13.43ms` from Redding, US
76.132.235.135	AS7922 Comcast Cable Communications, LLC	`10.57ms` from San Jose, US

Traceroute

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

traceroute -a -n -q1 203.114.249.103

traceroute to 203.114.249.103 (203.114.249.103): 64 hops max, 52 byte packets

1 [AS202422] 202.78.167.1 0.104 ms

2 [AS199524] 92.223.63.81 0.456 ms

3 *

4 [] 101.203.89.218 0.72 ms

5 [AS9824] 220.152.46.21 0.483 ms

6 [AS4721] 203.114.249.103 0.7 ms

Measurement taken from

IPinfo ProbeNet in Tokyo, JP

On January 30th 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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