202.178.80.0/21

AS4721 · JCOM Co., Ltd.

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Summary

Country	Japan
Domain	jcom.co.jp
ASN	AS4721
Parent Range	202.178.80.0/20
Registry	JPNIC
ID	JCOM-NET

WHOIS Details

inetnum:        202.178.80.0 - 202.178.87.255
netname:        JCOM-NET
descr:          Jupiter Telecommunications Co., Ltd.
country:        JP
admin-c:        JP00006551
tech-c:         JP00006551
last-modified:  2015-12-15T00:44:16Z
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 202.178.80.0/21

Range	ASN	Company	Num of IPs
202.178.80.0/20	AS4721	JCOM Co., Ltd.	4,096

Nearby Ranges

BGP prefixes that overlap with 202.178.0.0/16

Range	ASN	Company	Num of IPs
202.178.80.0/20	AS4721	JCOM Co., Ltd.	4,096
202.178.112.0/20	AS38235	ANGKORNET INTERNET SERVICE PROVIDER	4,096
202.178.96.0/20	AS18259	NTT DOCOMO Business, Inc	4,096
202.178.114.0/24	AS38235	MekongNet Nationwide Network Coverage	256
202.178.115.0/24	AS38235	MekongNet Nationwide Network Coverage	256
202.178.116.0/24	AS38235	MekongNet Hong Kong Reach and Availability	256
202.178.117.0/24	AS38235	MekongNet Nationwide Network Coverage	256
202.178.118.0/24	AS38235	MekongNet	256
202.178.119.0/24	AS38235	MekongNet	256
202.178.120.0/24	AS38235	MekongNet	256
202.178.121.0/24	AS38235	MekongNet Nationwide Network Coverage	256
202.178.122.0/24	AS38235	MekongNet Nationwide Network Coverage	256
202.178.123.0/24	AS38235	MekongNet	256
202.178.124.0/24	AS38235	MekongNet Nationwide Network Coverage	256
202.178.125.0/24	AS38235	MekongNet	256
202.178.126.0/24	AS38235	MekongNet	256
202.178.127.0/24	AS38235	MekongNet	256
202.178.113.0/24	AS38235	MekongNet Nationwide Network Coverage	256
202.178.112.0/24	AS38235	MekongNet Nationwide Network Coverage	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
163.172.215.101	AS12876 SCALEWAY S.A.S.	`0.20ms` from Amsterdam, NL
89.210.229.133	AS3329 VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA	`1.10ms` from Athens, GR
196.130.76.69	AS24835 Vodafone Data	`5.93ms` from Cairo, EG
84.178.203.21	AS3320 Deutsche Telekom AG	`3.35ms` from Frankfurt am Main, DE
120.192.96.133	AS24444 Shandong Mobile Communication Company Limited	`0.30ms` from Jinan, CN
130.184.222.5	AS10508 University of Arkansas	`8.81ms` from Kansas City, US
37.25.109.245	AS31272 WildPark Co	`8.95ms` from Kyiv, UA
89.118.31.133	AS8968 BT Italia S.p.A.	`6.27ms` from Milan, IT
109.126.193.53	AS12389 PJSC Rostelecom	`16.59ms` from Moscow, RU
112.2.172.245	AS56046 China Mobile communications corporation	`6.15ms` from Nanjing, CN
52.124.7.53	AS11589 Stowe Communications LLC	`8.69ms` from New York City, US
94.100.6.101	AS213934 IPV1 SIA	`1.07ms` from Riga, LV
52.160.127.37	AS8075 Microsoft Corporation	`0.56ms` from San Jose, US
220.67.137.37	AS38697 Hankyong National Univercity	`2.60ms` from Seoul, KR
39.121.86.245	AS9318 SK Broadband Co Ltd	`5.83ms` from Seoul, KR
211.15.148.37	AS2516 KDDI CORPORATION	`2.05ms` from Tokyo, JP
178.82.137.69	AS6730 Sunrise GmbH	`0.64ms` from Zuerich, CH
35.173.90.213	AS14618 Amazon.com, Inc.	`0.57ms` from Ashburn, US
197.57.103.69	AS8452 TE-AS	`4.12ms` from Cairo, EG
171.215.192.213	AS4134 CHINANET-BACKBONE	`4.69ms` from Chengdu, CN
89.166.204.117	AS9145 EWE TEL GmbH	`5.13ms` from Hamburg, DE
4.28.37.197	AS3356 Level 3 Parent, LLC	`0.66ms` from Houston, US
212.100.234.245	AS15395 Rackspace Ltd.	`1.26ms` from London, GB
111.238.97.165	AS2516 KDDI CORPORATION	`1.67ms` from Osaka, JP
15.236.112.133	AS16509 Amazon.com, Inc.	`0.14ms` from Paris, FR

Traceroute

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

traceroute -a -n -q1 -f4 -m8 202.178.85.24

traceroute to 202.178.85.24 (202.178.85.24): 8 hops max, 52 byte packets

4 [AS63949] 172.105.160.101 0.46 ms

5 [AS20940] 104.70.113.20 0.249 ms

6 *

7 *

8 *

Measurement taken from

IPinfo ProbeNet in Sydney, AU

On January 9th 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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