157.73.128.0/17

AS131932 · JR East Information Systems Company

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Summary

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

WHOIS Details

inetnum:        157.73.0.0 - 157.73.255.255
netname:        JEIS-IPNET
country:        JP
descr:          JR East Information Systems Company
admin-c:        ST69-AP
tech-c:         ST69-AP
status:         ASSIGNED PORTABLE
notify:         odn-jpnic@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:        ST69-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 157.73.0.0/16

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
57.153.84.1	AS8075 Microsoft Corporation	`0.23ms` from Amsterdam, NL
73.52.254.161	AS7922 Comcast Cable Communications, LLC	`12.90ms` from Ashburn, US
203.192.47.33	AS63951 THAICOM Public Company Limited	`3.56ms` from Bangkok, TH
203.157.179.1	AS9649 Information Technology Office	`14.81ms` from Bangkok, TH
79.116.185.225	AS57269 DIGI SPAIN TELECOM S.L.	`0.91ms` from Barcelona, ES
190.25.157.193	AS19429 ETB - Colombia	`0.72ms` from Bogota, CO
65.175.164.1	AS11776 Breezeline	`2.57ms` from Boston, US
2.82.240.1	AS3243 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.	`3.17ms` from Braga, PT
176.223.98.193	AS57746 Macosoft SRL	`6.88ms` from Bucharest, RO
109.99.98.129	AS9050 Orange Romania S.A.	`2.23ms` from Bucharest, RO
190.183.178.129	AS20207 Gigared S.A.	`14.94ms` from Buenos Aires, AR
118.250.56.1	AS4134 CHINANET-BACKBONE	`2.51ms` from Changsha, CN
112.194.108.1	AS4837 CHINA UNICOM China169 Backbone	`9.97ms` from Chengdu, CN
103.144.232.1	AS134326 Airdesign Broadcast Media Pvt Ltd	`0.80ms` from Chennai, IN
12.177.13.33	AS7018 AT&T Enterprises, LLC	`5.28ms` from Chicago, US
108.147.104.81	AS7018 AT&T Enterprises, LLC	`0.52ms` from Chicago, US
8.36.50.1	AS399054 K.A.S. Cable T.V., Inc.	`2.50ms` from Cincinnati, US
181.169.149.1	AS7303 Telecom Argentina S.A.	`0.62ms` from Cordoba, AR
73.242.169.81	AS7922 Comcast Cable Communications, LLC	`13.95ms` from Denver, US
85.6.208.1	AS3303 Swisscom (Switzerland) Ltd	`0.38ms` from Geneve, CH
188.154.237.1	AS6730 Sunrise GmbH	`0.20ms` from Geneve, CH
151.177.79.113	AS1257 Tele2 Sverige AB	`1.05ms` from Goeteborg, SE
163.204.212.1	AS17816 China Unicom IP network China169 Guangdong province	`8.71ms` from Guangzhou, CN
116.29.204.1	AS4134 CHINANET-BACKBONE	`8.10ms` from Guangzhou, CN
221.210.9.225	AS4837 CHINA UNICOM China169 Backbone	`5.26ms` from Harbin, CN

Traceroute

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

traceroute -a -n -q1 -f4 -m11 157.73.240.27

traceroute to 157.73.240.27 (157.73.240.27): 11 hops max, 52 byte packets

4 [AS58396] 103.11.21.18 18.96 ms

5 [AS58552] 103.162.233.247 33.281 ms

6 *

7 *

8 [AS17676] 221.111.203.161 34.286 ms

9 *

10 *

11 *

Measurement taken from

IPinfo ProbeNet in Denpasar, ID

On December 14th 2025

What are IP address ranges?

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