192.50.72.0/24

AS2907 · Research Organization of Information and Systems, National Institute of Informatics

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Summary

Country	Japan
Domain	ehime-u.ac.jp
ASN	AS2907
Registry	JPNIC
ID	EHMNET-CIDR-BLK-JP

WHOIS Details

inetnum:        192.50.72.0 - 192.50.72.255
netname:        EHMNET-CIDR-BLK-JP
descr:          Ehime University
country:        JP
admin-c:        MK12533JP
tech-c:         MM9738JP
last-modified:  2007-06-22T21:02:22Z
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 192.50.0.0/16

Range	ASN	Company	Num of IPs
192.50.252.0/23	AS2497	Fukuoka Broadcasting Corp	512
192.50.102.0/23	AS2907	Shiga University	512
192.50.192.0/23	AS2907	Kagawa Nutrition University	512
192.50.73.0/24	AS23793	National Institute of Advanced Industrial Science and Technology	256
192.50.12.0/24	AS24287	Research Organization of Information and Systems, National Institute of Informatics	256
192.50.110.0/24	AS2519	Marubeni Information Systems Co.,Ltd.	256
192.50.235.0/24	AS2522	Japan Network Information Center	256
192.50.28.0/24	AS2907	The University of Electro-Communications	256
192.50.42.0/24	AS2907	Kyoto Institute of Technology	256
192.50.57.0/24	AS2907	Nagoya University	256
192.50.69.0/24	AS2907	Ehime University	256
192.50.70.0/24	AS2907	Ehime University	256
192.50.71.0/24	AS2907	Ehime University	256
192.50.154.0/24	AS37914	Advanced Software Technology & Management Research Institute of KYOTO	256
192.50.27.0/24	AS38649	The University of Electro-Communications	256
192.50.151.0/24	AS55396	NRI Secure Technologies,Ltd.	256
192.50.152.0/24	AS55396	NRI Secure Technologies,Ltd.	256
192.50.220.0/24	AS59128	Kyoto University Microcomputer Club	256
192.50.45.0/24	AS7500	WIDE Project	256
192.50.101.0/24	AS7509	Hokkaido University	256
192.50.56.0/24	AS17687	Nagoya University	256
192.50.199.0/24	AS9597	KDDI Web Communications Inc.	256
192.50.109.0/24	AS17932	Japan Advanced Institute of Science and Technology	256
192.50.43.0/24	AS23634	WIDE Project	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
130.161.5.72	AS1128 SURF B.V.	`1.48ms` from Amsterdam, NL
173.22.197.136	AS30036 Mediacom Communications Corp	`16.98ms` from Atlanta, US
44.233.130.56	AS16509 Amazon.com, Inc.	`0.18ms` from Boardman, US
35.229.236.8	AS396982 Google LLC	`0.14ms` from Chang-hua, TW
123.145.1.184	AS4837 CHINA UNICOM China169 Backbone	`1.99ms` from Chongqing, CN
208.108.124.168	AS62724 Northwest Ohio Computer Association	`13.29ms` from Cleveland, US
3.21.11.8	AS16509 Amazon.com, Inc.	`0.19ms` from Columbus, US
23.0.252.248	AS16625 Akamai Technologies, Inc.	`0.13ms` from Delhi, IN
87.122.29.120	AS8881 1&1 Versatel GmbH	`3.42ms` from Duesseldorf, DE
49.160.122.152	AS17858 LG POWERCOMM	`1.58ms` from Incheon, KR
92.18.28.40	AS13285 TalkTalk Communications Limited	`4.30ms` from London, GB
117.254.196.136	AS9829 National Internet Backbone	`5.24ms` from Mumbai, IN
110.135.193.200	AS9824 JCOM Co., Ltd.	`19.79ms` from Osaka, JP
4.201.113.200	AS8075 Microsoft Corporation	`0.18ms` from Sao Paulo, BR
52.85.136.120	AS16509 Amazon.com, Inc.	`0.11ms` from Secaucus, US
175.198.46.24	AS4766 Korea Telecom	`1.24ms` from Seoul, KR
168.87.143.200	AS16509 Amazon.com, Inc.	`0.60ms` from Sydney, AU
64.196.210.88	AS7029 Windstream Communications LLC	`0.39ms` from Ashburn, US
98.17.193.40	AS7029 Windstream Communications LLC	`0.30ms` from Atlanta, US
45.135.190.8	AS59780 SURFBOXX IT-SOLUTIONS GmbH	`4.07ms` from Berlin, DE
20.110.224.104	AS8075 Microsoft Corporation	`0.27ms` from Boydton, US
106.215.60.232	AS24560 Bharti Airtel Ltd., Telemedia Services	`6.13ms` from Delhi, IN
74.116.252.56	AS53309 Black Hills Corporation	`8.51ms` from Denver, US
98.39.29.232	AS7922 Comcast Cable Communications, LLC	`7.90ms` from Houston, US
114.30.86.8	AS38766 PT. Bumi Merbabu Permai	`8.61ms` from Jakarta, ID

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 192.50.72.243

traceroute to 192.50.72.243 (192.50.72.243): 8 hops max, 52 byte packets

4 [] 101.203.89.206 1.55 ms

5 [AS2907] 150.99.20.68 14.502 ms

6 *

7 *

8 *

Measurement taken from

IPinfo ProbeNet in Tokyo, JP

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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