202.253.252.0/24

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

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Summary

Country	Japan
Domain	toyaku.ac.jp
ASN	AS2907
Registry	JPNIC
ID	TYCOON-CIDR-BLK-JP

WHOIS Details

inetnum:        202.253.252.0 - 202.253.252.255
netname:        TYCOON-CIDR-BLK-JP
descr:          Tokyo University of Pharmacy and Life Sciences
country:        JP
admin-c:        RM008JP
tech-c:         HY40439JP
tech-c:         KK78113JP
tech-c:         RM008JP
last-modified:  2021-01-29T00:53:02Z
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 202.253.0.0/16

Range	ASN	Company	Num of IPs
202.253.0.0/18	AS2907	National University Corporation Hamamatsu University School of Medicine	16,384
202.253.144.0/20	AS7687	TOYOTA AUTO BODY RESEARCH & DEVELOPMENT CO.,LTD.	4,096
202.253.224.0/20	AS2907	Kokushikan University	4,096
202.253.192.0/21	AS2907	Tamagawa University	2,048
202.253.168.0/21	AS7687	TOYOTA MOTOR EAST JAPAN, INC.	2,048
202.253.200.0/22	AS2907	National Institute of Technology, Japan	1,024
202.253.96.0/22	AS17505	SoftBank Corp.	1,024
202.253.108.0/22	AS18091	Teikyo University	1,024
202.253.248.0/22	AS2907	Kyoto Prefectural University of Medicine	1,024
202.253.88.0/22	AS2907	Oita University	1,024
202.253.106.0/23	AS2514	HOKURIKU COMPUTURE SERVICE LIMITED	512
202.253.138.0/23	AS2907	United Nations University	512
202.253.115.0/24	AS131912	Cybozu, Inc.	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

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

IP Address	ASN	Details
202.253.252.63	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`2.64ms` 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
161.246.74.200	AS9486 King Mongkut's Institute of Technology Ladkrabang	`1.83ms` from Bangkok, TH
41.43.151.216	AS8452 TE-AS	`3.57ms` from Cairo, EG
172.209.96.24	AS8075 Microsoft Corporation	`1.78ms` from Cape Town, ZA
175.21.209.216	AS4837 CHINA UNICOM China169 Backbone	`7.38ms` from Changchun, CN
67.10.249.200	AS11427 Charter Communications Inc	`4.62ms` from Dallas, US
212.224.89.136	AS44066 firstcolo GmbH	`0.40ms` from Frankfurt am Main, DE
20.218.201.152	AS8075 Microsoft Corporation	`0.29ms` from Frankfurt am Main, DE
219.135.59.8	AS4134 CHINANET-BACKBONE	`2.71ms` from Guangzhou, CN
116.100.86.104	AS24086 Viettel Corporation	`2.84ms` from Ho Chi Minh City, VN
171.245.244.56	AS7552 Viettel Group	`2.18ms` from Ho Chi Minh City, VN
18.165.232.56	AS16509 Amazon.com, Inc.	`0.32ms` from London, GB
37.191.110.248	AS42973 M247 UK Ltd	`5.09ms` from Manchester, GB
2.15.137.232	AS3215 Orange S.A.	`4.81ms` from Marseille, FR
112.71.45.8	AS17511 OPTAGE Inc.	`1.98ms` from Osaka, JP
177.161.172.216	AS26599 TELEFÔNICA BRASIL S.A	`8.21ms` from Osasco, BR
187.87.124.8	AS28220 Alares Cabo Servicos de Telecomunicacoes S.A.	`6.24ms` from Osasco, BR
54.65.51.216	AS16509 Amazon.com, Inc.	`0.20ms` from Tokyo, JP
153.127.139.72	AS7684 SAKURA Internet Inc.	`16.41ms` from Tokyo, JP
165.1.103.232	AS31898 Oracle Corporation	`0.21ms` from Valparaiso, CL
64.67.234.136	AS3737 PenTeleData Inc.	`11.73ms` from Ashburn, US
75.45.204.232	AS7018 AT&T Enterprises, LLC	`4.65ms` from Atlanta, US
1.14.70.136	AS45090 Shenzhen Tencent Computer Systems Company Limited	`0.74ms` from Chengdu, CN
72.181.200.8	AS11427 Charter Communications Inc	`4.97ms` from Dallas, US
97.171.219.104	AS6167 Verizon Business	`18.35ms` from Denver, US
34.243.164.200	AS16509 Amazon.com, Inc.	`0.19ms` from Dublin, IE

Traceroute

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

traceroute -a -n -q1 202.253.252.20

traceroute to 202.253.252.20 (202.253.252.20): 64 hops max, 52 byte packets

1 [AS141995] 109.123.229.11 0.367 ms

2 *

3 [] 210.171.224.150 1.738 ms

4 [AS2907] 150.99.11.132 2.522 ms

5 [AS2907] 150.99.184.254 2.699 ms

6 [AS2907] 202.253.252.61 2.675 ms

7 *

8 [AS2907] 202.253.252.20 2.888 ms

Measurement taken from

IPinfo ProbeNet in Tokyo, JP

On January 19th 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.

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