61.203.240.0/20

AS4721  ·  JCOM Co., Ltd.

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Summary

Country Japan
Domain jcom.co.jp
ASN AS4721
Registry JPNIC
ID JCOM-NET

WHOIS Details

inetnum:        61.203.240.0 - 61.203.247.255
netname:        JCOM-NET
descr:          Jupiter Telecommunications Co., Ltd.
country:        JP
admin-c:        JP00006551
tech-c:         JP00006551
last-modified:  2015-11-25T04:26:11Z
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

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
61.203.244.235 usamibank.jp 1

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

Pingable IPs

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

IP Address ASN Details
61.203.243.154 AS4721 JCOM Co., Ltd. 13.47ms from Tokyo, JP
61.203.241.199 AS4721 JCOM Co., Ltd. 11.25ms from Tokyo, JP
61.203.247.217 AS4721 JCOM Co., Ltd. 11.99ms from Tokyo, JP
61.203.245.97 AS4721 JCOM Co., Ltd. 13.52ms from Tokyo, JP
61.203.248.1 AS4721 JCOM Co., Ltd. 2.84ms from Tokyo, JP
61.203.250.1 AS4721 JCOM Co., Ltd. 2.54ms from Tokyo, JP
61.203.246.53 AS4721 JCOM Co., Ltd. 10.66ms from Tokyo, JP
61.203.244.1 AS4721 JCOM Co., Ltd. 4.47ms from Tokyo, JP
61.203.249.1 AS4721 JCOM Co., Ltd. 4.02ms from Tokyo, JP
61.203.242.173 AS4721 JCOM Co., Ltd. 11.43ms from Tokyo, JP
61.203.240.1 AS4721 JCOM Co., Ltd. 4.06ms 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
85.234.65.20 AS199524 G-Core Labs S.A. 0.23ms from Amsterdam, NL
52.170.35.132 AS8075 Microsoft Corporation 0.42ms from Ashburn, US
75.91.236.52 AS7029 Windstream Communications LLC 7.74ms from Atlanta, US
120.6.63.180 AS4837 CHINA UNICOM China169 Backbone 11.25ms from Beijing, CN
117.221.69.52 AS9829 National Internet Backbone 16.22ms from Bengaluru, IN
84.131.94.20 AS3320 Deutsche Telekom AG 5.71ms from Berlin, DE
84.157.0.148 AS3320 Deutsche Telekom AG 3.70ms from Berlin, DE
40.177.27.20 AS16509 Amazon.com, Inc. 1.46ms from Calgary, CA
118.123.129.4 AS4134 CHINANET-BACKBONE 8.32ms from Chengdu, CN
80.209.4.116 AS44869 FIBIA P/S 1.56ms from Copenhagen, DK
34.244.36.100 AS16509 Amazon.com, Inc. 0.45ms from Dublin, IE
87.184.230.148 AS3320 Deutsche Telekom AG 4.70ms from Duesseldorf, DE
123.16.114.116 AS45899 VNPT Corp 1.56ms from Hanoi, VN
181.176.175.212 AS262210 VIETTEL PERÚ S.A.C. 0.86ms from Lima, PE
217.21.52.4 AS56740 DataHata Ltd 0.94ms from Minsk, BY
78.193.133.100 AS12322 Free SAS 6.61ms from Paris, FR
5.165.62.52 AS34533 JSC "ER-Telecom Holding" 0.56ms from Samara, RU
76.14.37.52 AS11404 Wave Broadband 4.72ms from San Jose, US
76.102.165.116 AS7922 Comcast Cable Communications, LLC 11.37ms from San Jose, US
187.122.2.148 AS28573 Claro NXT Telecomunicacoes Ltda 6.56ms from Sao Paulo, BR
202.156.16.100 AS4657 StarHub Ltd 1.08ms from Singapore, SG
218.212.190.84 AS55430 Starhub Ltd 1.94ms from Singapore, SG
124.100.222.228 AS4713 NTT Communications Corporation 7.35ms from Tokyo, JP
86.89.125.164 AS1136 KPN B.V. 2.02ms from Amsterdam, NL
200.71.114.4 AS263771 IP NET, C.A. 0.42ms from Caracas, VE

Traceroute

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

$
traceroute -a -n -q1 61.203.243.154
traceroute to 61.203.243.154 (61.203.243.154): 64 hops max, 52 byte packets
4 [AS9824] 203.165.0.53 1.239 ms
5 *
6 *
7 *
8 [AS4721] 61.203.243.154 18.677 ms
Measurement taken from IPinfo ProbeNet in Tokyo, JP
On

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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