210.135.192.0/20

AS4721 · JCOM Co., Ltd.

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Summary

Country	Japan
Domain	jcom.co.jp
ASN	AS4721
Registry	JPNIC
ID	JCN-CIDR-BLK-JP

WHOIS Details

inetnum:        210.135.192.0 - 210.135.207.255
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
last-modified:  2021-09-27T23:53:14Z
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

Nearby Ranges

BGP prefixes that overlap with 210.135.0.0/16

Range	ASN	Company	Num of IPs
210.135.96.0/20	AS37898	Gemma Engineering	4,096
210.135.112.0/20	AS9371	SAKURA Internet Inc.	4,096
210.135.232.0/21	AS23778	IMIZU CABLE NETWORK CO.,LTD.	2,048
210.135.224.0/21	AS7524	BAN-BAN Networks Co.LTD	2,048

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

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

IP Address	ASN	Details
210.135.198.1	AS4721 JCOM Co., Ltd.	`2.42ms` from Tokyo, JP
210.135.199.191	AS4721 JCOM Co., Ltd.	`6.57ms` 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
69.176.115.212	AS33606 TekLinks, Inc.	`3.88ms` from Atlanta, US
213.171.149.84	AS8315 Accenture B. V.	`0.62ms` from Brussels, BE
38.253.183.228	AS265691 WI-NET TELECOM S.A.C.	`1.49ms` from Lima, PE
104.21.59.68	AS13335 Cloudflare, Inc.	`0.11ms` from Lisbon, PT
180.140.148.84	AS4134 CHINANET-BACKBONE	`1.08ms` from Nanning, CN
100.1.213.228	AS701 Verizon Business	`2.23ms` from New York City, US
153.207.202.180	AS4713 NTT DOCOMO BUSINESS,Inc.	`2.75ms` from Osaka, JP
173.49.126.4	AS701 Verizon Business	`1.86ms` from Philadelphia, US
121.126.43.212	AS4766 Korea Telecom	`0.82ms` from Seoul, KR
20.212.171.164	AS8075 Microsoft Corporation	`0.61ms` from Singapore, SG
220.132.14.36	AS3462 Data Communication Business Group	`0.77ms` from Taipei, TW
105.101.58.228	AS36947 Telecom Algeria	`9.36ms` from Valencia, ES
65.213.92.132	AS701 Verizon Business	`3.37ms` from Ashburn, US
156.192.130.4	AS8452 TE-AS	`7.72ms` from Cairo, EG
3.74.158.132	AS16509 Amazon.com, Inc.	`0.44ms` from Frankfurt am Main, DE
41.84.238.84	AS19711 SWAZILAND PTC	`6.97ms` from Johannesburg, ZA
12.7.103.180	AS7018 AT&T Enterprises, LLC	`6.81ms` from Kansas City, US
16.52.72.132	AS16509 Amazon.com, Inc.	`0.13ms` from Montreal, CA
115.242.9.36	AS55836 Reliance Jio Infocomm Limited	`1.28ms` from Mumbai, IN
93.109.146.4	AS6866 Cyprus Telecommunications Authority	`2.48ms` from Nicosia, CY
179.43.125.180	AS27823 Dattatec.com	`0.18ms` from Rosario, AR
211.194.98.244	AS4766 Korea Telecom	`4.54ms` from Seoul, KR
180.171.220.36	AS4812 China Telecom (Group)	`5.49ms` from Shanghai, CN
210.80.248.164	AS703 Verizon Business	`1.10ms` from Tokyo, JP
193.235.149.100	AS198568 ATEA Sverige AB	`0.36ms` from Umea, SE

Traceroute

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

traceroute -a -n -q1 -m6 210.135.206.238

traceroute to 210.135.206.238 (210.135.206.238): 6 hops max, 52 byte packets

1 [AS59187] 154.221.35.1 105.072 ms

2 *

3 [AS9583] 1.7.50.236 2.394 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Mumbai, IN

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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