220.208.64.0/19

AS4721 · JCOM Co., Ltd.

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Summary

Country	Japan
Domain	jcom.co.jp
ASN	AS4721
Parent Range	220.208.64.0/18
Registry	JPNIC
ID	JCOM-NET

WHOIS Details

inetnum:        220.208.64.0 - 220.208.95.255
netname:        JCOM-NET
descr:          Jupiter Telecommunications Co., Ltd.
country:        JP
admin-c:        JP00006551
tech-c:         JP00006551
last-modified:  2015-12-26T01:53:05Z
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 220.208.64.0/19

Range	ASN	Company	Num of IPs
220.208.64.0/18	AS4721	JCOM Co., Ltd.	16,384

Nearby Ranges

BGP prefixes that overlap with 220.208.0.0/16

Range	ASN	Company	Num of IPs
220.208.64.0/18	AS4721	JCOM Co., Ltd.	16,384
220.208.128.0/18	AS18282	Tonami System Solutions Co., Ltd.	16,384
220.208.192.0/19	AS2497	Internet Initiative Japan Inc.	8,192
220.208.224.0/19	AS17698	COMMUNITY NETWORK CENTER INC.	8,192
220.208.0.0/19	AS7522	Pikara(STNet, Incorporated)	8,192
220.208.32.0/19	AS7524	ITEC Hankyu Hanshin Co.,Ltd.	8,192

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

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

IP Address	ASN	Details
220.208.67.126	AS4721 JCOM Co., Ltd.	`12.69ms` from Tokyo, JP
220.208.80.1	AS4721 JCOM Co., Ltd.	`5.44ms` from Tokyo, JP
220.208.92.1	AS4721 JCOM Co., Ltd.	`2.91ms` from Tokyo, JP
220.208.73.88	AS4721 JCOM Co., Ltd.	`7.60ms` from Tokyo, JP
220.208.70.235	AS4721 JCOM Co., Ltd.	`10.85ms` from Tokyo, JP
220.208.79.22	AS4721 JCOM Co., Ltd.	`11.61ms` from Tokyo, JP
220.208.66.1	AS4721 JCOM Co., Ltd.	`3.35ms` from Tokyo, JP
220.208.68.1	AS4721 JCOM Co., Ltd.	`2.47ms` from Tokyo, JP
220.208.84.1	AS4721 JCOM Co., Ltd.	`3.24ms` from Tokyo, JP
220.208.65.1	AS4721 JCOM Co., Ltd.	`1.92ms` from Tokyo, JP
220.208.71.245	AS4721 JCOM Co., Ltd.	`11.89ms` from Tokyo, JP
220.208.75.145	AS4721 JCOM Co., Ltd.	`11.18ms` from Tokyo, JP
220.208.93.141	AS4721 JCOM Co., Ltd.	`12.04ms` from Tokyo, JP
220.208.76.1	AS4721 JCOM Co., Ltd.	`2.71ms` from Tokyo, JP
220.208.74.29	AS4721 JCOM Co., Ltd.	`12.13ms` from Tokyo, JP
220.208.95.73	AS4721 JCOM Co., Ltd.	`14.59ms` from Tokyo, JP
220.208.69.233	AS4721 JCOM Co., Ltd.	`11.03ms` from Tokyo, JP
220.208.64.129	AS4721 JCOM Co., Ltd.	`2.32ms` from Tokyo, JP
220.208.78.30	AS4721 JCOM Co., Ltd.	`11.71ms` from Tokyo, JP
220.208.94.168	AS4721 JCOM Co., Ltd.	`12.03ms` from Tokyo, JP
220.208.88.1	AS4721 JCOM Co., Ltd.	`2.79ms` from Tokyo, JP
220.208.77.51	AS4721 JCOM Co., Ltd.	`9.27ms` from Tokyo, JP
220.208.72.1	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
52.12.14.163	AS16509 Amazon.com, Inc.	`0.16ms` from Boardman, US
35.233.89.179	AS396982 Google LLC	`0.15ms` from Brussels, BE
156.216.93.131	AS8452 TE-AS	`6.28ms` from Cairo, EG
35.209.139.243	AS15169 Google LLC	`0.11ms` from Council Bluffs, US
213.23.121.99	AS3209 Vodafone GmbH	`2.26ms` from Duesseldorf, DE
20.2.39.35	AS8075 Microsoft Corporation	`0.78ms` from Hong Kong, HK
138.19.95.99	AS9269 Hong Kong Broadband Network Ltd.	`0.82ms` from Hong Kong, HK
220.64.14.3	AS9457 DREAMLINE CO.	`1.61ms` from Incheon, KR
136.33.122.115	AS16591 Google Fiber Inc.	`0.85ms` from Kansas City, US
93.109.3.131	AS6866 Cyprus Telecommunications Authority	`3.34ms` from Larnaca, CY
92.31.77.211	AS13285 TalkTalk Communications Limited	`8.25ms` from London, GB
20.26.106.19	AS8075 Microsoft Corporation	`0.25ms` from London, GB
73.163.102.163	AS7922 Comcast Cable Communications, LLC	`7.33ms` from Manassas, US
187.208.252.19	AS8151 UNINET	`1.88ms` from Mexico City, MX
61.27.139.179	AS9824 JCOM Co., Ltd.	`9.00ms` from Osaka, JP
44.196.11.35	AS14618 Amazon.com, Inc.	`0.22ms` from Reston, US
3.229.62.147	AS14618 Amazon.com, Inc.	`0.17ms` from Reston, US
73.239.177.227	AS7922 Comcast Cable Communications, LLC	`4.06ms` from Seattle, US
210.106.247.3	AS3786 LG DACOM Corporation	`1.80ms` from Seoul, KR
210.95.55.51	AS4766 Korea Telecom	`4.76ms` from Seoul, KR
162.252.83.99	AS29802 HIVELOCITY, Inc.	`0.21ms` from Tampa, US
178.195.5.163	AS3303 Swisscom (Switzerland) Ltd	`2.40ms` from Zuerich, CH
71.234.225.51	AS7922 Comcast Cable Communications, LLC	`5.85ms` from Boston, US
216.246.97.67	AS23352 DEFT.COM	`0.31ms` from Chicago, US
3.75.150.163	AS16509 Amazon.com, Inc.	`0.21ms` 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 220.208.92.1

traceroute to 220.208.92.1 (220.208.92.1): 64 hops max, 52 byte packets

3 [] 138.199.0.37 0.364 ms

4 [] 84.17.32.235 0.894 ms

5 [AS9824] 203.165.0.237 1.202 ms

6 *

7 *

8 [AS4721] 220.208.92.1 3.219 ms

Measurement taken from

IPinfo ProbeNet in Tokyo, JP

On January 18th 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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