202.254.96.0/21

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

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Summary

Country	Japan
Domain	t-kougei.ac.jp
ASN	AS2907
Registry	JPNIC
ID	TPUNET-CIDR-BLK-JP

WHOIS Details

inetnum:        202.254.96.0 - 202.254.103.255
netname:        TPUNET-CIDR-BLK-JP
descr:          TOKYO POLYTECHNIC UNIVERSITY
country:        JP
admin-c:        JP00074935
tech-c:         JP00074935
last-modified:  2022-10-12T23:47:06Z
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 202.254.0.0/16

Range	ASN	Company	Num of IPs
202.254.0.0/19	AS2907	Hyogo University of Teacher Education	8,192
202.254.200.0/21	AS23781	National University Corporation, University of Toyama	2,048
202.254.232.0/21	AS131965	XSERVER Inc.	2,048
202.254.88.0/22	AS2907	Showa Women's University	1,024
202.254.164.0/22	AS23614	Kochi Prefectural Government	1,024
202.254.162.0/23	AS2907	Tsurumi University	512
202.254.111.0/24	AS37908	KIBI Cable Television Co.,Ltd.	256
202.254.212.0/24	AS2907	Kyushu International University	256
202.254.218.0/24	AS2907	Tokuyama University	256
202.254.227.0/24	AS2907	Showa University	256
202.254.128.0/24	AS37906	NetIRD Inc.	256

Hosted domains

There are 3 domain names hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
202.254.103.3	t-kougei.ac.jp	3
202.254.103.2	t-kougei.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

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Pingable IPs

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

IP Address	ASN	Details
202.254.103.253	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`1.64ms` from Tokyo, JP
202.254.98.103	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`3.51ms` from Tokyo, JP
202.254.100.218	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`4.09ms` from Tokyo, JP
202.254.99.136	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`4.16ms` from Tokyo, JP
202.254.96.250	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`1.71ms` from Tokyo, JP
202.254.102.14	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`1.78ms` 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
31.201.241.245	AS50266 Odido Netherlands B.V.	`4.64ms` from Amsterdam, NL
152.202.129.245	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	`8.52ms` from Bogota, CO
23.223.187.5	AS16625 Akamai Technologies, Inc.	`0.19ms` from Chicago, US
40.133.208.197	AS7029 Windstream Communications LLC	`0.48ms` from Dallas, US
129.159.223.197	AS31898 Oracle Corporation	`0.18ms` from Frankfurt am Main, DE
92.238.105.53	AS5089 Virgin Media Limited	`10.02ms` from London, GB
47.156.60.245	AS5650 Frontier Communications of America, Inc.	`4.28ms` from Los Angeles, US
75.233.145.165	AS6167 Verizon Business	`16.99ms` from Los Angeles, US
83.40.109.101	AS3352 TELEFONICA DE ESPANA S.A.U.	`10.16ms` from Madrid, ES
27.32.181.53	AS7545 TPG Telecom Limited	`0.61ms` from Melbourne, AU
115.209.240.69	AS4134 CHINANET-BACKBONE	`8.99ms` from Nanchang, CN
108.14.6.5	AS701 Verizon Business	`2.50ms` from New York City, US
54.158.250.21	AS14618 Amazon.com, Inc.	`0.23ms` from Reston, US
201.4.139.229	AS7738 V tal	`1.64ms` from Rio de Janeiro, BR
93.145.174.21	AS30722 Vodafone Italia S.p.A.	`7.53ms` from Rome, IT
161.189.40.53	AS135629 Ningxia West Cloud Data Technology Co.Ltd.	`0.48ms` from Zhongwei, CN
178.227.28.85	AS31615 Odido Netherlands B.V.	`12.39ms` from Amsterdam, NL
38.70.65.5	AS174 Cogent Communications, LLC	`2.48ms` from Ashburn, US
68.106.81.133	AS22773 Cox Communications Inc.	`7.64ms` from Ashburn, US
173.19.175.21	AS30036 Mediacom Communications Corp	`13.66ms` from Atlanta, US
118.118.248.149	AS4134 CHINANET-BACKBONE	`10.29ms` from Chengdu, CN
131.186.13.53	AS31898 Oracle Corporation	`0.44ms` from Chicago, US
189.23.28.53	AS4230 CLARO S.A.	`12.32ms` from Fortaleza, BR
91.18.164.85	AS3320 Deutsche Telekom AG	`2.62ms` from Frankfurt am Main, DE
88.206.245.229	AS28854 HIGHLANDNET SWEDEN	`3.90ms` from Goeteborg, SE

Traceroute

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

traceroute -a -n -q1 -f3 -m7 202.254.98.101

traceroute to 202.254.98.101 (202.254.98.101): 7 hops max, 52 byte packets

3 [] 210.173.184.25 36.628 ms

4 [AS2907] 150.99.9.126 37.452 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On December 14th 2025

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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