202.251.177.0/24

AS3488 · Japan Aerospace Exploration Agency

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Summary

Country	Japan
Domain
ASN	AS3488
Registry	JPNIC
ID	TSUKUBA-NET-CIDR-BLK-JP

WHOIS Details

inetnum:        202.251.177.0 - 202.251.177.255
netname:        TSUKUBA-NET-CIDR-BLK-JP
descr:          Information Systems Department, Japan Aerospace Exploration Agency
country:        JP
admin-c:        KS92384JP
tech-c:         JP00042646
tech-c:         NI30722JP
last-modified:  2025-08-29T01:14:04Z
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
202.251.144.0/20	AS23781	National University Corporation, University of Toyama	4,096
202.251.224.0/20	AS2907	Fukushima Medical University	4,096
202.251.184.0/21	AS2907	The Tohoku University of Art and Design	2,048
202.251.248.0/22	AS4686	BEKKOAME INTERNET ,Inc.	1,024
202.251.244.0/22	AS2907	National Fisheries University	1,024
202.251.32.0/22	AS2907	National Institute of Technology, Japan	1,024
202.251.88.0/22	AS2907	National Institute of Technology, Japan	1,024
202.251.200.0/22	AS2497	Kitasato University	1,024
202.251.180.0/22	AS2907	University Of Fukui	1,024

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
101.19.189.120	AS4837 CHINA UNICOM China169 Backbone	`10.51ms` from Beijing, CN
116.169.155.184	AS4837 CHINA UNICOM China169 Backbone	`2.10ms` from Chengdu, CN
12.205.4.8	AS7018 AT&T Enterprises, LLC	`10.12ms` from Dallas, US
37.228.130.24	AS50873 David Doepelheuer	`0.10ms` from Duesseldorf, DE
171.232.172.184	AS7552 Viettel Group	`4.28ms` from Ho Chi Minh City, VN
78.144.204.248	AS13285 TalkTalk Communications Limited	`8.51ms` from London, GB
146.169.13.56	AS786 Jisc Services Limited	`1.16ms` from London, GB
69.107.8.200	AS16509 Amazon.com, Inc.	`0.05ms` from Portland, US
201.13.39.136	AS27699 TELEFÔNICA BRASIL S.A	`5.94ms` from Sao Paulo, BR
173.183.43.40	AS852 TELUS Communications Inc.	`8.51ms` from Vancouver, CA
13.82.57.152	AS8075 Microsoft Corporation	`0.41ms` from Ashburn, US
73.203.163.200	AS7922 Comcast Cable Communications, LLC	`17.39ms` from Dallas, US
82.28.22.152	AS5089 Virgin Media Limited	`11.23ms` from Dublin, IE
80.132.95.152	AS3320 Deutsche Telekom AG	`3.85ms` from Duesseldorf, DE
89.143.150.232	AS5603 Telekom Slovenije, d.d.	`1.16ms` from Ljubljana, SI
46.27.82.104	AS12430 VODAFONE ESPANA S.A.U.	`12.79ms` from Madrid, ES
83.46.152.8	AS3352 TELEFONICA DE ESPANA S.A.U.	`8.65ms` from Madrid, ES
151.62.233.8	AS1267 WIND TRE S.P.A.	`5.42ms` from Milan, IT
189.201.23.56	AS28469 AT&T COMUNICACIONES DIGITALES S DE RL	`6.14ms` from Monterrey, MX
89.253.194.8	AS41535 LLC ASTRA CLOUD	`1.35ms` from Moscow, RU
138.75.240.56	AS4773 MobileOne Ltd. Mobile/Internet Service Provider Singapore	`2.10ms` from Singapore, SG
115.54.170.200	AS4837 CHINA UNICOM China169 Backbone	`4.62ms` from Zhengzhou, CN
108.143.162.56	AS8075 Microsoft Corporation	`0.32ms` from Amsterdam, NL
1.2.133.168	AS23969 TOT Public Company Limited	`5.94ms` from Bangkok, TH
125.68.172.24	AS4134 CHINANET-BACKBONE	`7.53ms` from Chengdu, CN

Traceroute

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

traceroute -a -n -q1 -f2 -m15 202.251.177.225

traceroute to 202.251.177.225 (202.251.177.225): 15 hops max, 52 byte packets

2 [AS9044] 82.220.32.36 3.12 ms

3 *

4 *

5 *

6 [AS174] 130.117.0.18 24.948 ms

7 *

8 *

9 *

10 *

11 [AS174] 154.54.41.205 151.311 ms

12 [AS174] 154.54.82.253 181.235 ms

13 *

14 *

15 *

Measurement taken from

IPinfo ProbeNet in Solothurn, CH

On February 7th 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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