103.72.104.0/23

AS9370 · SAKURA Internet Inc.

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Summary

Country	Japan
Domain	doctionary.jp
ASN	AS9370
Registry	APNIC
ID	DJ-LLC

WHOIS Details

inetnum:        103.72.104.0 - 103.72.105.255
netname:        DJ-LLC
descr:          Doctionary Japan Limited Liability Company
descr:          Shu Building 2366, 2-28-10 Ebisu Shibuya-ku, Tokyo, Japan
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        Email address for spam or abuse complaints : abuse@doctionary.jp
country:        JP
mnt-by:         MAINT-JPNIC
mnt-lower:      MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
status:         ALLOCATED PORTABLE
last-modified:  2023-01-19T06:54:02Z
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 2020-07-23
mnt-by:         MAINT-JPNIC
last-modified:  2022-06-14T04:26:58Z
source:         APNIC

role:           Japan Network Information Center
address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address:        Chiyoda-ku, Tokyo 101-0047, Japan
country:        JP
phone:          +81-3-5297-2311
fax-no:         +81-3-5297-2312
e-mail:         hostmaster@nic.ad.jp
admin-c:        JI13-AP
tech-c:         JE53-AP
nic-hdl:        JNIC1-AP
mnt-by:         MAINT-JPNIC
last-modified:  2022-01-05T03:04:02Z
source:         APNIC

inetnum:        103.72.104.0 - 103.72.105.255
netname:        DJ-LLC-CIDR-BLK-JP
descr:          Doctionary Japan Limited Liability Company
remarks:        Email address for spam or abuse complaints : abuse@doctionary.jp
country:        JP
admin-c:        TO55332JP
tech-c:         TO55332JP
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)
last-modified:  2023-01-20T17:39:58Z
source:         JPNIC

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

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Pingable IPs

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

IP Address	ASN	Details
103.72.105.70	AS9370 SAKURA Internet Inc.	`1.13ms` from Tokyo, JP
103.72.104.51	AS9370 SAKURA Internet Inc.	`1.12ms` 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
20.67.90.215	AS8075 Microsoft Corporation	`0.21ms` from Amsterdam, NL
181.237.79.135	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	`3.77ms` from Bogota, CO
156.212.74.215	AS8452 TE-AS	`6.54ms` from Cairo, EG
34.31.123.39	AS396982 Google LLC	`0.12ms` from Council Bluffs, US
80.111.221.135	AS6830 Liberty Global B.V.	`7.25ms` from Dublin, IE
151.227.164.215	AS5607 Sky UK Limited	`11.70ms` from London, GB
180.101.119.7	AS4134 CHINANET-BACKBONE	`9.77ms` from Nanjing, CN
192.183.195.7	AS20055 Wholesail networks LLC	`5.84ms` from Portland, US
115.97.84.151	AS17488 Hathway IP Over Cable Internet	`1.53ms` from Saint Thomas Mount, IN
177.32.133.55	AS28573 Claro NXT Telecomunicacoes Ltda	`5.28ms` from Sao Paulo, BR
100.1.44.87	AS701 Verizon Business	`1.94ms` from Secaucus, US
121.20.135.71	AS4837 CHINA UNICOM China169 Backbone	`10.38ms` from Tianjin, CN
126.19.211.71	AS17676 SoftBank Corp.	`5.76ms` from Tokyo, JP
91.249.91.71	AS9145 EWE TEL GmbH	`7.33ms` from Amsterdam, NL
70.161.203.103	AS22773 Cox Communications Inc.	`8.84ms` from Ashburn, US
197.60.18.167	AS8452 TE-AS	`4.59ms` from Cairo, EG
171.221.199.151	AS4134 CHINANET-BACKBONE	`2.85ms` from Chengdu, CN
182.65.177.23	AS24560 Bharti Airtel Ltd., Telemedia Services	`10.82ms` from Chennai, IN
49.244.250.119	AS23752 Nepal Telecommunications Corporation, Internet Services,	`2.18ms` from Kathmandu, NP
81.98.83.215	AS5089 Virgin Media Limited	`7.51ms` from London, GB
104.70.119.39	AS20940 Akamai International B.V.	`0.45ms` from Mumbai, IN
1.242.240.119	AS9318 SK Broadband Co Ltd	`1.66ms` from Seoul, KR
152.165.32.23	AS2527 Sony Network Communications Inc.	`1.72ms` from Tokyo, JP
153.182.26.231	AS4713 NTT Communications Corporation	`2.91ms` from Tokyo, JP
60.6.165.71	AS4837 CHINA UNICOM China169 Backbone	`9.88ms` from Beijing, CN

Traceroute

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

traceroute -a -n -q1 -m5 103.72.105.144

traceroute to 103.72.105.144 (103.72.105.144): 5 hops max, 52 byte packets

1 [AS136258] 185.213.23.211 0.194 ms

2 [AS56655] 185.125.170.251 0.168 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Oslo, NO

On August 22nd 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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