164.43.138.0/23

AS51964 · ORANGE BUSINESS SERVICES U.S. Inc.

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Summary

Country	Japan
Domain	jt.com
ASN	AS51964
Parent Range	164.43.0.0/16
Registry	APNIC
ID	JTNET

WHOIS Details

inetnum:        164.43.0.0 - 164.43.255.255
netname:        JTNET
country:        JP
descr:          JAPAN TOBACCO INC.
admin-c:        HT176-AP
tech-c:         HT176-AP
status:         ALLOCATED PORTABLE
notify:         [email protected]
mnt-by:         MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
last-modified:  2015-12-01T22:25:09Z
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:         [email protected]
abuse-mailbox:  [email protected]
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2024-11-27
mnt-by:         MAINT-JPNIC
last-modified:  2025-09-04T01:00:00Z
source:         APNIC

person:         Hidetoshi Takeuchi
address:        JAPAN TOBACCO INC. JT Bulding, 2-1 Toranomon, 2-chome, Minato-ku Tokyo 105
country:        JP
phone:          +81-3-5572-4693
e-mail:         [email protected]
nic-hdl:        HT176-AP
remarks:        ----------
remarks:        imported from ARIN object:
remarks:        
remarks:        poc-handle:  HT104-ARIN
remarks:        is-role:     N
remarks:        last-name:   Takeuchi
remarks:        first-name:  Hidetoshi
remarks:        street:      JAPAN TOBACCO INC. JT Bulding, 2-1 Toranomon, 2-chome, Minato-ku Tokyo 105
remarks:        country:     JP
remarks:        mailbox:     [email protected]
remarks:        bus-phone:   +81-3-5572-4693
remarks:        reg-date:    1995-09-29
remarks:        changed:     [email protected] 19950929
remarks:        source:      ARIN
remarks:        
remarks:        ----------
notify:         [email protected]
mnt-by:         MNT-ERX-JPTOBACCO-NON-JP
last-modified:  2008-09-04T07:29:34Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 164.43.138.0/23

Range	ASN	Company	Num of IPs
164.43.0.0/16	AS2519	JAPAN TOBACCO INC.	65,536
164.43.0.0/16	AS4713	JAPAN TOBACCO INC.	65,536
164.43.0.0/16	AS51964	JAPAN TOBACCO INC.	65,536

Nearby Ranges

BGP prefixes that overlap with 164.43.0.0/16

Range	ASN	Company	Num of IPs
164.43.0.0/16	AS2519	JAPAN TOBACCO INC.	65,536
164.43.0.0/16	AS4713	JAPAN TOBACCO INC.	65,536
164.43.0.0/16	AS51964	JAPAN TOBACCO INC.	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

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

IP Address	ASN	Details
164.43.138.250	AS51964 ORANGE BUSINESS SERVICES U.S. Inc.	`1.94ms` 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
125.24.163.231	AS23969 TOT Public Company Limited	`1.01ms` from Bangkok, TH
54.216.239.199	AS16509 Amazon.com, Inc.	`0.15ms` from Dublin, IE
157.157.252.247	AS6677 Mila hf	`7.41ms` from Hafnarfjoerdur, IS
20.0.244.39	AS8075 Microsoft Corporation	`0.21ms` from London, GB
70.95.61.167	AS20001 Charter Communications Inc	`9.48ms` from Los Angeles, US
16.52.130.215	AS16509 Amazon.com, Inc.	`0.16ms` from Montreal, CA
119.228.140.71	AS17511 OPTAGE Inc.	`1.32ms` from Osaka, JP
54.211.230.183	AS14618 Amazon.com, Inc.	`0.22ms` from Reston, US
34.230.71.23	AS14618 Amazon.com, Inc.	`0.37ms` from Reston, US
121.152.243.7	AS4766 Korea Telecom	`4.05ms` from Seoul, KR
180.28.89.151	AS4713 NTT DOCOMO BUSINESS,Inc.	`3.62ms` from Tokyo, JP
73.238.244.23	AS7922 Comcast Cable Communications, LLC	`7.83ms` from Boston, US
85.106.221.71	AS9121 Turk Telekomunikasyon Anonim Sirketi	`5.93ms` from Istanbul, TR
37.115.90.151	AS15895 "Kyivstar" PJSC	`2.68ms` from Kyiv, UA
79.62.52.215	AS3269 Telecom Italia S.p.A.	`10.35ms` from Milan, IT
210.178.23.167	AS4766 Korea Telecom	`1.70ms` from Seoul, KR
93.83.24.103	AS8447 A1 Telekom Austria AG	`5.52ms` from Vienna, AT
49.249.174.231	AS45820 Tata Teleservices ISP AS	`0.62ms` from Chennai, IN
164.58.9.7	AS5078 Oklahoma Network for Education Enrichment and	`2.58ms` from Dallas, US
34.251.202.231	AS16509 Amazon.com, Inc.	`0.17ms` from Dublin, IE
39.180.73.231	AS56041 China Mobile communications corporation	`8.17ms` from Hangzhou, CN
72.197.26.23	AS22773 Cox Communications Inc.	`7.30ms` from Los Angeles, US
24.122.227.135	AS11290 Cogeco Connexion inc	`4.48ms` from Montreal, CA
92.149.187.215	AS3215 Orange S.A.	`8.75ms` from Paris, FR
119.178.205.231	AS4837 CHINA UNICOM China169 Backbone	`9.41ms` from Qingdao, CN

Traceroute

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

traceroute -a -n -q1 -m7 164.43.139.51

traceroute to 164.43.139.51 (164.43.139.51): 7 hops max, 52 byte packets

1 [AS31898] 140.91.230.7 0.075 ms

2 [] 139.150.100.233 2.249 ms

3 [] 139.150.100.67 3.478 ms

4 [AS51964] 57.72.128.9 36.463 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Chuncheon, KR

On December 20th 2025

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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