202.251.244.0/22

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

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Summary

Country	Japan
Domain	fish-u.ac.jp
ASN	AS2907
Registry	JPNIC
ID	FISH-U-NET-CIDR-BLK-JP

WHOIS Details

inetnum:        202.251.244.0 - 202.251.247.255
netname:        FISH-U-NET-CIDR-BLK-JP
descr:          National Fisheries University
country:        JP
admin-c:        SU010JP
tech-c:         KA090JP
tech-c:         SU010JP
last-modified:  2005-03-02T20:59:02Z
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 202.251.0.0/16

Range	ASN	Company	Num of IPs
202.251.0.0/19	AS2497	CTI Engineering Co.Ltd.	8,192
202.251.224.0/20	AS2907	Fukushima Medical University	4,096
202.251.144.0/20	AS23781	National University Corporation, University of Toyama	4,096
202.251.184.0/21	AS2907	The Tohoku University of Art and Design	2,048
202.251.88.0/22	AS2907	National Institute of Technology, Japan	1,024
202.251.180.0/22	AS2907	University Of Fukui	1,024
202.251.200.0/22	AS2497	Kitasato University	1,024
202.251.32.0/22	AS2907	National Institute of Technology, Japan	1,024
202.251.137.0/24	AS17676	Nippon Medical School	256
202.251.136.0/24	AS17676	Nippon Medical School	256
202.251.177.0/24	AS3488	Information Systems Department, Japan Aerospace Exploration Agency	256
202.251.141.0/24	AS17676	Nippon Medical School	256
202.251.142.0/24	AS17676	Nippon Medical School	256
202.251.140.0/24	AS2907	Nippon Medical School	256
202.251.139.0/24	AS17676	Nippon Medical School	256
202.251.143.0/24	AS17676	Nippon Medical School	256
202.251.138.0/24	AS17676	Nippon Medical School	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Pingable IPs

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

IP Address	ASN	Details
202.251.245.71	AS2907 Research Organization of Information and Systems, National Institute of Informatics	10.57ms from Osaka, JP
202.251.246.22	AS2907 Research Organization of Information and Systems, National Institute of Informatics	9.92ms from Osaka, JP
202.251.244.73	AS2907 Research Organization of Information and Systems, National Institute of Informatics	10.59ms from Osaka, 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
69.255.0.70	AS7922 Comcast Cable Communications, LLC	6.24ms from Ashburn, US
70.88.185.6	AS7922 Comcast Cable Communications, LLC	8.14ms from Ashburn, US
134.236.141.118	AS131090 CAT TELECOM Public Company Ltd,CAT	10.74ms from Bangkok, TH
66.139.210.134	AS7018 AT&T Enterprises, LLC	2.93ms from Dallas, US
68.32.85.54	AS7922 Comcast Cable Communications, LLC	9.21ms from Detroit, US
87.159.84.134	AS3320 Deutsche Telekom AG	8.64ms from Frankfurt am Main, DE
84.64.153.38	AS5378 Vodafone Limited	5.46ms from London, GB
212.171.90.166	AS3269 Telecom Italia S.p.A.	1.75ms from Milan, IT
172.124.203.70	AS7018 AT&T Enterprises, LLC	2.49ms from San Antonio, US
66.169.225.214	AS20115 Charter Communications LLC	16.59ms from San Jose, US
171.100.47.86	AS7470 TRUE INTERNET Co.,Ltd.	1.73ms from Bangkok, TH
67.18.25.134	AS36351 IBM Cloud	1.85ms from Dallas, US
77.40.10.22	AS12389 PJSC Rostelecom	10.54ms from Kazan, RU
37.55.31.246	AS6849 JSC "Ukrtelecom"	7.12ms from Kyiv, UA
13.70.188.198	AS8075 Microsoft Corporation	0.55ms from Melbourne, AU
71.245.82.6	AS701 Verizon Business	15.51ms from Morris Plains, US
37.113.105.214	AS57026 JSC "ER-Telecom Holding"	7.35ms from Samara, RU
195.240.15.54	AS1136 KPN B.V.	1.04ms from Amsterdam, NL
104.205.251.54	AS852 TELUS Communications Inc.	2.45ms from Calgary, CA
160.176.42.6	AS36903 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM	10.41ms from Casablanca, MA
76.192.110.166	AS7018 AT&T Enterprises, LLC	11.49ms from Chicago, US
96.76.180.102	AS7922 Comcast Cable Communications, LLC	9.37ms from Houston, US
117.42.167.118	AS4134 CHINANET-BACKBONE	3.90ms from Nanchang, CN
64.187.166.102	AS54858 Wave Broadband	0.28ms from Seattle, US
1.94.8.6	AS55990 Huawei Cloud Service data center	2.64ms from Suzhou, CN

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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