202.252.104.0/22

AS131961 · Dokkyo University

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Summary

Country	Japan
Domain	dokkyo.ac.jp
ASN	AS131961
Registry	JPNIC
ID	DOK-NET-CIDR-BLK-JP

WHOIS Details

inetnum:        202.252.104.0 - 202.252.107.255
netname:        DOK-NET-CIDR-BLK-JP
descr:          Dokkyo University
country:        JP
admin-c:        JP00216257
tech-c:         JP00216257
last-modified:  2021-08-23T20:11:02Z
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 202.252.0.0/16

Range	ASN	Company	Num of IPs
202.252.128.0/18	AS2907	National University Corporation Hokkaido University of Education	16,384
202.252.64.0/19	AS58647	Kagawa University	8,192
202.252.108.0/23	AS15404	Global Solution 2nd Office. IT Strategy & Digital Integration Division. Hitachi, Ltd.	512
202.252.197.0/24	AS2907	Kyoto City University of Arts	256
202.252.214.0/24	AS2907	Okinawa University	256
202.252.246.0/24	AS2907	Shumei University	256
202.252.247.0/24	AS2907	Institute of Archaeological Research Kyoto	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

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

IP Address	ASN	Details
202.252.107.28	AS131961 Dokkyo University	`2.80ms` from Tokyo, JP
202.252.105.132	AS131961 Dokkyo University	`2.35ms` 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
185.197.53.230	AS14516 Investec Bank Ltd	`2.00ms` from London, GB
203.201.85.6	AS4857 TVP Operations Company	`0.36ms` from Melbourne, AU
79.52.5.134	AS3269 Telecom Italia S.p.A.	`4.67ms` from Naples, IT
173.56.238.38	AS701 Verizon Business	`2.60ms` from New York City, US
5.223.34.38	AS215859 Hetzner Online GmbH	`0.19ms` from Singapore, SG
123.150.44.118	AS17638 ASN for TIANJIN Provincial Net of CT	`4.38ms` from Tianjin, CN
86.126.200.38	AS8708 DIGI ROMANIA S.A.	`5.59ms` from Timisoara, RO
202.213.127.38	AS7668 Hokuriku Telecommunication Network Co.	`7.21ms` from Tokyo, JP
193.80.14.198	AS8447 A1 Telekom Austria AG	`5.10ms` from Vienna, AT
48.45.54.38	AS7029 Windstream Communications LLC	`0.69ms` from Ashburn, US
208.116.219.182	AS3257 GTT Communications Inc.	`0.15ms` from Atlanta, US
50.194.252.54	AS7922 Comcast Cable Communications, LLC	`4.11ms` from Atlanta, US
101.200.169.70	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`1.45ms` from Beijing, CN
178.222.218.102	AS8400 TELEKOM SRBIJA a.d.	`1.68ms` from Belgrade, RS
50.206.227.22	AS7922 Comcast Cable Communications, LLC	`2.68ms` from Boston, US
70.75.113.102	AS6327 Shaw Communications	`6.12ms` from Calgary, CA
146.113.118.38	AS19653 CTS Communications Corp	`4.65ms` from Chicago, US
34.29.13.134	AS396982 Google LLC	`0.11ms` from Council Bluffs, US
189.35.6.230	AS28573 Claro NXT Telecomunicacoes Ltda	`15.08ms` from Curitiba, BR
18.66.172.54	AS16509 Amazon.com, Inc.	`0.22ms` from Dublin, IE
116.126.57.166	AS9318 SK Broadband Co Ltd	`5.56ms` from Incheon, KR
2.141.95.22	AS3352 TELEFONICA DE ESPANA S.A.U.	`19.06ms` from Madrid, ES
109.208.44.54	AS3215 Orange S.A.	`3.13ms` from Marseille, FR
178.163.205.54	AS42772 Unitary enterprise A1	`13.89ms` from Minsk, BY
8.219.114.54	AS45102 Alibaba (US) Technology Co., Ltd.	`0.74ms` from Singapore, SG

Traceroute

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

traceroute -a -n -q1 -m4 202.252.104.1

traceroute to 202.252.104.1 (202.252.104.1): 4 hops max, 52 byte packets

1 [AS399244] 66.59.208.1 0.302 ms

2 *

3 *

4 *

Measurement taken from

IPinfo ProbeNet in Falkenstein, DE

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.

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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