157.19.0.0/16

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

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Summary

Country	Japan
Domain
ASN	AS2907
Registry	APNIC
ID	MUROKOUDAI-A

WHOIS Details

inetnum:        157.19.0.0 - 157.19.255.255
netname:        MUROKOUDAI-A
country:        JP
descr:          National University Corporation Muroran Institute of Technology
admin-c:        TK85-AP
tech-c:         TK85-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
mnt-lower:      MAINT-JPNIC
last-modified:  2015-12-01T22:24:48Z
source:         APNIC

irt:            IRT-JPNIC-JP
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, japan
e-mail:         hostmaster@nic.ad.jp
abuse-mailbox:  hostmaster@nic.ad.jp
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
auth:           # Filtered
remarks:        hostmaster@nic.ad.jp was validated on 2024-11-27
mnt-by:         MAINT-JPNIC
last-modified:  2025-09-04T01:00:00Z
source:         APNIC

person:         Toshikazu Kuroshima
address:        Centre for Cooperative Research and Development Mizumoto-cho 27-1 Muroran, Hokkaido 050
country:        JP
phone:          +81-143-47-3263
e-mail:         no-email-erx@apnic.net
nic-hdl:        TK85-AP
remarks:        ----------
remarks:        imported from ARIN object:
remarks:        
remarks:        poc-handle:  TK58-ARIN
remarks:        is-role:     N
remarks:        last-name:   Kuroshima
remarks:        first-name:  Toshikazu
remarks:        street:      Centre for Cooperative Research and Development Mizumoto-cho 27-1 Muroran, Hokkaido 050
remarks:        country:     JP
remarks:        bus-phone:   +81-143-47-3263, 2374
remarks:        reg-date:    1992-09-03
remarks:        changed:     hostmaster@arin.poc 19971025
remarks:        source:      ARIN
remarks:        
remarks:        ----------
notify:         no-email-erx@apnic.net
mnt-by:         MNT-ERX-MURORANINSTECH-NON-JP
last-modified:  2008-09-04T07:29:35Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 157.0.0.0/8

Range	ASN	Company	Num of IPs
157.32.0.0/12	AS55836	Reliance Jio Infocomm Limited	1,048,576
157.48.0.0/14	AS55836	Reliance Jio Infocomm Limited	262,144
157.28.0.0/15	AS8968	Mediaset Com	131,072
157.144.0.0/16	AS719	Kesko Oy	65,536
157.82.0.0/16	AS2501	University of Tokyo	65,536
157.141.0.0/16	AS27064	Navy Network Information Center (NNIC)	65,536
157.90.0.0/16	AS24940	Hetzner Online GmbH	65,536
157.158.0.0/16	AS8508	CKPOLSL - Silesian University of Technology, Computer Centre	65,536
157.202.0.0/16	AS749	DoD Network Information Center	65,536
157.213.0.0/16	AS749	DoD Network Information Center	65,536
157.62.0.0/16	AS7150	Commonwealth University of Pennsylvania	65,536
157.242.0.0/16	AS25789	Loyola Marymount University	65,536
157.174.0.0/16	AS26298	Florida Blue	65,536
157.92.0.0/16	AS3449	Universidad Nacional de Buenos Aires	65,536
157.50.0.0/16	AS55836	Reliance Jio infocomm ltd	65,536
157.249.0.0/16	AS224	Meteorologisk institutt, Oslo	65,536
157.118.0.0/16	AS58785	Tohoku Gakuin University	65,536
157.136.0.0/16	AS2200	Centre National de la Recherche Scientifique	65,536
157.224.0.0/16	AS749	DoD Network Information Center	65,536
157.140.0.0/16	AS786	Natural History Museum	65,536
157.228.0.0/16	AS786	University of Sunderland	65,536
157.153.0.0/16	AS749	Navy Network Information Center (NNIC)	65,536
157.4.0.0/16	AS7671	NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION	65,536
157.130.0.0/16	AS701	Verizon Business	65,536
157.79.0.0/16	AS2514	TOSHIBA INFORMATION SYSTEMS(JAPAN) CORPORATION	65,536
157.0.0.0/16	AS4837	China Unicom Jiangsu province network	65,536
157.3.0.0/16	AS7671	NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION	65,536
157.150.0.0/16	AS2647	United Nations	65,536
157.100.0.0/16	AS27947	ECUANET - CORPORACION ECUATORIANA DE INFORMACION	65,536
157.238.0.0/16	AS2914	NTT America, Inc.	65,536
157.12.0.0/16	AS24275	TOTO LTD.	65,536
157.109.0.0/16	AS37919	SEGA SAMMY HOLDINGS INC.	65,536
157.49.0.0/16	AS55836	Reliance Jio infocomm ltd	65,536
157.48.0.0/16	AS55836	Reliance Jio infocomm ltd	65,536
157.110.0.0/16	AS37910	Chubu University	65,536
157.26.0.0/16	AS559	Republique et Canton de Neuchatel	65,536
157.159.0.0/16	AS2094	SCES COMMUNS IMT BUSINESS SCHOOL TELECOM SUD PARIS	65,536
157.237.0.0/16	AS2119	Kongsberg Maritime AS	65,536
157.161.0.0/16	AS6772	Improware AG	65,536
157.1.0.0/16	AS2907	Research Organization of Information and Systems, National Institute of Informatics	65,536
157.139.0.0/16	AS20252	Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University	65,536
157.8.0.0/16	AS18071	Panasonic Information Systems Co., Ltd	65,536
157.193.0.0/16	AS2611	Research network University of Ghent	65,536
157.61.0.0/16	AS17816	China Unicom Guangdong province network	65,536
157.127.0.0/16	AS1906	Northrop Grumman Corp.	65,536
157.155.0.0/16	AS17983	Coles Supermarkets Australia Pty Ltd	65,536
157.122.0.0/16	AS17623	China Unicom Guangdong province network	65,536
157.147.0.0/16	AS2527	Sony Network Communications Inc.	65,536
157.188.0.0/16	AS22252	The City of New York	65,536
157.122.0.0/16	AS17816	China Unicom Guangdong province network	65,536

Hosted domains

There are no domains currently hosted on this ASN.

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

Read more

Pingable IPs

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

IP Address	ASN	Details
157.19.5.211	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`12.97ms` from Tokyo, JP
157.19.250.81	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`12.58ms` from Tokyo, JP
157.19.148.9	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`12.79ms` from Tokyo, JP
157.19.104.107	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`13.62ms` from Tokyo, JP
157.19.254.139	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`12.78ms` from Tokyo, JP
157.19.201.101	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`12.84ms` from Tokyo, JP
157.19.221.201	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`12.87ms` from Tokyo, JP
157.19.77.3	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`12.80ms` from Tokyo, JP
157.19.175.16	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`12.69ms` 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
50.17.207.208	AS14618 Amazon.com, Inc.	`0.53ms` from Ashburn, US
61.181.62.48	AS4837 CHINA UNICOM China169 Backbone	`7.36ms` from Beijing, CN
167.224.167.224	AS395662 OzarksGo, LLC	`9.04ms` from Dallas, US
140.224.30.128	AS4134 CHINANET-BACKBONE	`6.57ms` from Fuzhou, CN
110.82.1.144	AS4134 CHINANET-BACKBONE	`9.47ms` from Fuzhou, CN
58.255.69.240	AS17816 China Unicom IP network China169 Guangdong province	`6.24ms` from Guangzhou, CN
80.155.206.16	AS3320 Deutsche Telekom AG	`0.91ms` from Hamburg, DE
125.250.8.64	AS17858 LG POWERCOMM	`5.11ms` from Incheon, KR
81.131.110.240	AS2856 British Telecommunications PLC	`2.09ms` from London, GB
79.38.30.0	AS3269 Telecom Italia S.p.A.	`7.60ms` from Milan, IT
45.18.53.176	AS7018 AT&T Enterprises, LLC	`5.33ms` from San Antonio, US
138.197.202.0	AS14061 DigitalOcean, LLC	`0.18ms` from San Jose, US
221.149.72.80	AS4766 Korea Telecom	`1.13ms` from Seoul, KR
222.109.166.240	AS4766 Korea Telecom	`1.26ms` from Seoul, KR
110.46.116.0	AS9845 LG HelloVision Corp.	`7.90ms` from Seoul, KR
78.61.185.208	AS8764 Telia Lietuva, AB	`9.20ms` from Vilnius, LT
76.19.134.208	AS7922 Comcast Cable Communications, LLC	`8.81ms` from Boston, US
192.68.24.48	AS394384 Edge Broadband	`4.51ms` from Chicago, US
75.51.96.0	AS7018 AT&T Enterprises, LLC	`12.84ms` from Columbus, US
103.151.152.16	AS140170 Office Of The Registrar General India	`1.79ms` from Delhi, IN
72.19.130.96	AS17306 JAB Wireless, INC.	`2.69ms` from Denver, US
176.104.9.48	AS41435 UnderNet LLC	`0.65ms` from Kyiv, UA
212.188.224.208	AS8426 ClaraNET LTD	`7.07ms` from London, GB
66.229.172.80	AS7922 Comcast Cable Communications, LLC	`6.50ms` from Miami, US
79.111.52.240	AS12714 PJSC MegaFon	`2.48ms` from Moscow, RU

Traceroute

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

traceroute -a -n -q1 -f5 -m10 157.19.66.135

traceroute to 157.19.66.135 (157.19.66.135): 10 hops max, 52 byte packets

5 [] 210.173.184.25 2.308 ms

6 [AS2907] 150.99.2.58 16.16 ms

7 [AS2907] 150.99.191.66 16.146 ms

8 *

9 *

10 *

Measurement taken from

IPinfo ProbeNet in Osaka, JP

On March 13th 2026

What are IP address ranges?

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