157.17.0.0/19

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

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Summary

Country	Japan
Domain	reitaku-u.ac.jp
ASN	AS2907
Registry	JPNIC
ID	REITAKU-NET-CIDR-BLK-JP

WHOIS Details

inetnum:        157.17.0.0 - 157.17.31.255
netname:        REITAKU-NET-CIDR-BLK-JP
descr:          Reitaku University
country:        JP
admin-c:        AK31262JP
tech-c:         KK93641JP
tech-c:         RN23273JP
last-modified:  2024-05-22T23:38:03Z
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 157.17.0.0/16

Range	ASN	Company	Num of IPs
157.17.32.0/19	AS7684	SAKURA Internet Inc.	8,192
157.17.64.0/20	AS7684	SAKURA Internet Inc.	4,096
157.17.96.0/20	AS7684	SAKURA Internet Inc.	4,096
157.17.112.0/20	AS7684	SAKURA Internet Inc.	4,096
157.17.88.0/21	AS7684	SAKURA Internet Inc.	2,048
157.17.84.0/22	AS7684	SAKURA Internet Inc.	1,024
157.17.82.0/23	AS7684	SAKURA Internet Inc.	512
157.17.80.0/23	AS7684	SAKURA Internet Inc.	512

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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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
213.160.212.3	AS33915 Vodafone Libertel B.V.	`1.07ms` from Amsterdam, NL
80.113.55.115	AS33915 Vodafone Libertel B.V.	`2.46ms` from Amsterdam, NL
71.192.85.35	AS7922 Comcast Cable Communications, LLC	`5.23ms` from Boston, US
197.144.71.131	AS36884 Wana Corporate	`8.70ms` from Casablanca, MA
86.141.23.3	AS2856 British Telecommunications PLC	`2.04ms` from Erith, GB
217.234.139.163	AS3320 Deutsche Telekom AG	`6.46ms` from Frankfurt am Main, DE
147.8.125.3	AS4528 The University of Hong Kong	`1.42ms` from Hong Kong, HK
63.161.160.179	AS174 Cogent Communications, LLC	`0.84ms` from New York City, US
111.169.158.35	AS2518 BIGLOBE Inc.	`18.77ms` from Osaka, JP
86.225.120.147	AS3215 Orange S.A.	`18.66ms` from Paris, FR
116.40.33.99	AS17858 LG POWERCOMM	`1.81ms` from Seoul, KR
178.243.145.227	AS16135 Turkcell A.S.	`17.21ms` from Ankara, TR
146.20.89.3	AS27357 Rackspace Hosting	`0.67ms` from Ashburn, US
50.4.94.35	AS12083 WideOpenWest Finance LLC	`12.66ms` from Atlanta, US
206.190.73.19	AS3549 Level 3 Parent, LLC	`3.86ms` from Cincinnati, US
24.210.83.51	AS10796 Charter Communications Inc	`11.98ms` from Columbus, US
97.176.88.227	AS6167 Verizon Business	`10.27ms` from Dallas, US
210.3.176.19	AS9304 HGC Global Communications Limited	`1.40ms` from Hong Kong, HK
86.140.239.243	AS2856 British Telecommunications PLC	`2.06ms` from London, GB
181.128.165.99	AS13489 UNE EPM TELECOMUNICACIONES S.A.	`1.92ms` from Medellin, CO
23.210.72.83	AS24319 Akamai Technologies Tokyo ASN	`0.73ms` from Mumbai, IN
179.234.234.51	AS28573 Claro NXT Telecomunicacoes Ltda	`14.01ms` from Rio de Janeiro, BR
149.136.35.3	AS1348 California Department of Transportation	`11.27ms` from San Jose, US
52.130.8.83	AS58593 Shanghai Blue Cloud Technology Co.,Ltd	`2.75ms` from Shanghai, CN
153.223.228.99	AS4713 NTT DOCOMO BUSINESS,Inc.	`15.63ms` from Tokyo, JP

Traceroute

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

traceroute -a -n -q1 -m9 157.17.2.233

traceroute to 157.17.2.233 (157.17.2.233): 9 hops max, 52 byte packets

1 [] 15.230.152.99 2.422 ms

2 *

3 *

4 [] 15.230.152.4 2.028 ms

5 [] 210.173.176.94 1.867 ms

6 [AS2907] 150.99.10.82 2.867 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Tokyo, JP

On January 30th 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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