157.72.176.0/21

AS131932 · JR East Information Systems Company

Need more data or want to access it via API or data downloads? Sign up to get free access

Summary

Country	Japan
Domain	japan-telecom.co.jp
ASN	AS131932
Registry	APNIC
ID	JEIS-NET

WHOIS Details

inetnum:        157.72.0.0 - 157.72.255.255
netname:        JEIS-NET
country:        JP
descr:          JR East Information Systems Company
admin-c:        ST67-AP
tech-c:         ST67-AP
status:         ASSIGNED PORTABLE
notify:         odn-admin@odn.ad.jp
mnt-by:         MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
last-modified:  2015-04-22T01:18:01Z
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:         Shinji Tsubakino
address:        4-7-1 Hacchobori Chuo-ku, Tokyo, 104-8508
country:        JP
phone:          +81-3-5540-8061
e-mail:         shinji.tsubakino@japan-telecom.co.jp
nic-hdl:        ST67-AP
remarks:        ----------
remarks:        imported from ARIN object:
remarks:        
remarks:        poc-handle:  ST440-ARIN
remarks:        is-role:     N
remarks:        last-name:   Tsubakino
remarks:        first-name:  Shinji
remarks:        street:      4-7-1 Hacchobori Chuo-ku, Tokyo, 104-8508
remarks:        country:     JP
remarks:        mailbox:     shinji.tsubakino@japan-telecom.co.jp
remarks:        bus-phone:   +81-3-5540-8061
remarks:        reg-date:    2000-12-04
remarks:        changed:     hostmaster@arin.poc 20030403
remarks:        source:      ARIN
remarks:        
remarks:        ----------
notify:         shinji.tsubakino@japan-telecom.co.jp
mnt-by:         MNT-ERX-JRESTJPINFSYSCOMP-NON-JP
last-modified:  2008-09-04T07:29:35Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 157.72.0.0/16

No nearby ranges found.

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

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
104.177.180.165	AS7018 AT&T Enterprises, LLC	`2.78ms` from Atlanta, US
23.120.102.181	AS7018 AT&T Enterprises, LLC	`4.09ms` from Atlanta, US
52.34.168.117	AS16509 Amazon.com, Inc.	`0.14ms` from Boardman, US
120.84.217.85	AS17816 China Unicom IP network China169 Guangdong province	`4.33ms` from Guangzhou, CN
210.9.239.213	AS2764 AAPT Limited	`1.41ms` from Melbourne, AU
51.4.64.37	AS8075 Microsoft Corporation	`0.18ms` from Modiin Ilit, IL
189.158.148.181	AS8151 UNINET	`1.84ms` from Monterrey, MX
122.232.85.117	AS4134 CHINANET BACKBONE	`8.43ms` from Nanchang, CN
121.86.184.245	AS17511 OPTAGE Inc.	`1.60ms` from Osaka, JP
124.44.110.53	AS9595 NTT-ME Corporation	`3.72ms` from Osaka, JP
20.191.97.53	AS8075 Microsoft Corporation	`0.28ms` from Quincy, US
181.172.149.149	AS7418 TELEFÓNICA CHILE S.A.	`5.51ms` from Santiago, CL
14.56.99.197	AS4766 Korea Telecom	`1.48ms` from Seoul, KR
138.217.232.69	AS1221 Telstra Limited	`0.63ms` from Sydney, AU
210.215.160.21	AS17766 Nexon Asia Pacific Pty Ltd	`0.22ms` from Sydney, AU
60.76.167.133	AS17676 SoftBank Corp.	`3.21ms` from Tokyo, JP
213.161.110.117	AS15997 Intelligent Technologies S.A.	`0.84ms` from Warsaw, PL
183.92.26.85	AS4837 CHINA UNICOM China169 Backbone	`5.13ms` from Wuhan, CN
20.97.176.213	AS8075 Microsoft Corporation	`0.23ms` from Boydton, US
107.15.239.245	AS11426 Charter Communications Inc	`10.22ms` from Charlotte, US
121.241.114.85	AS4755 TATA Communications formerly VSNL is Leading ISP	`1.51ms` from Delhi, IN
222.252.76.101	AS45899 VNPT Corp	`1.45ms` from Hanoi, VN
185.28.182.21	AS203020 HostRoyale Technologies Pvt Ltd	`0.35ms` from Marseille, FR
186.52.220.213	AS6057 Administracion Nacional de Telecomunicaciones	`1.61ms` from Montevideo, UY
195.16.120.165	AS25159 PJSC MegaFon	`1.55ms` 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 -f4 -m8 157.72.179.60

traceroute to 157.72.179.60 (157.72.179.60): 8 hops max, 52 byte packets

4 [AS395954] 172.255.243.1 9.19 ms

5 [AS1299] 213.248.94.54 9.535 ms

6 *

7 *

8 *

Measurement taken from

IPinfo ProbeNet in Bologna, IT

On April 13th 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.

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

Get Started for Free Contact Sales