103.40.128.0/22

AS23808 · TOSHIMA CABLE NETWORK CO.,LTD

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Summary

Country	Japan
Domain	toshima.ne.jp
ASN	AS23808
Registry	APNIC
ID	TOSHIMA-NETWORK

WHOIS Details

inetnum:        103.40.128.0 - 103.40.131.255
netname:        Toshima-Network
descr:          TOSHIMA CABLE NETWORK CO.,LTD
descr:          5-18-11,Nishiikebukuro,Toshima-ku,Tokyo 171-0021, JAPAN
country:        JP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        Email address for spam or abuse complaints : abuse@toshima.ne.jp
mnt-by:         MAINT-JPNIC
mnt-lower:      MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
status:         ALLOCATED PORTABLE
last-modified:  2016-07-01T04:18:01Z
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 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:        103.40.128.0 - 103.40.131.255
netname:        Toshima-Network-CIDR-BLK-JP
descr:          TOSHIMA CABLE NETWORK CO.,LTD
remarks:        Email address for spam or abuse complaints : abuse@toshima.ne.jp
country:        JP
admin-c:        JP00201254
tech-c:         JP00201254
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:  2020-10-22T23:59:30Z
source:         JPNIC

Nearby Ranges

BGP prefixes that overlap with 103.40.0.0/16

Range	ASN	Company	Num of IPs
103.40.140.0/22	AS38794	United Information Highway Co.,Ltd.	1,024
103.40.144.0/22	AS38794	United Information Highway Co.,Ltd.	1,024
103.40.148.0/22	AS38794	United Information Highway Co.,Ltd.	1,024
103.40.180.0/22	AS38794	United Information Highway Co.,Ltd.	1,024
103.40.184.0/22	AS38794	United Information Highway Co.,Ltd.	1,024
103.40.188.0/22	AS38794	United Information Highway Co.,Ltd.	1,024
103.40.12.0/22	AS63567	Suqian Pugongying Network Service Co.,Ltd	1,024
103.40.124.0/22	AS4686	Mizushin Building 7F, 1-11-1, Kitasaiwai, Nishi-ku	1,024
103.40.48.0/22	AS133593	VIZAG BROADCASTING COMPANY PVT. LTD	1,024
103.40.196.0/22	AS133661	Creative Cable Network Private Limited	1,024
103.40.60.0/22	AS133700	Gleam Worldwide Services Pvt Ltd.	1,024
103.40.176.0/22	AS133747	FLAT B, 4/F, TOWER C, CLAGUE GARDEN ESTATE TSUEN WAN NT	1,024
103.40.72.0/22	AS134053	ETHERNET XPRESS PVT. LTD.	1,024
103.40.12.0/22	AS56046	Suqian Pugongying Network Service Co.,Ltd	1,024
103.40.12.0/22	AS56046	Suqian Pugongying Network Service Co.,Ltd	1,024
103.40.104.0/22	AS9354	COMMUNITY NETWORK CENTER INC.	1,024
103.40.208.0/22	AS63834	PrimeXM Networks (Singapore) PTE. LTD	1,024
103.40.192.0/22	AS137697	Jiangyin Oweb Network Co., Ltd.	1,024
103.40.8.0/22	AS139646	BGPNET PTE. LTD.	1,024
103.40.8.0/22	AS54801	BGPNET PTE. LTD.	1,024
103.40.112.0/22	AS132839	UNIT 04,7/F,BRIGHT WAY,TOWER NO. 33 MONG KOK ROAD	1,024
103.40.232.0/22	AS4837	Shanghai ruisu Network Technology Co.,Ltd	1,024
103.40.192.0/22	AS4837	Jiangyin Oweb Network Co., Ltd.	1,024
103.40.12.0/22	AS63567	Suqian Pugongying Network Service Co.,Ltd	1,024
103.40.180.0/22	AS152461	United Information Highway Co.,Ltd.	1,024
103.40.152.0/22	AS153494	UNIT 047/F BRIGHT WAY TOWER	1,024
103.40.96.0/22	AS18068	Nippo Taiyo Building 511, 3-2-28	1,024
103.40.132.0/22	AS38794	United Information Highway Co.,Ltd.	1,024
103.40.136.0/22	AS38794	United Information Highway Co.,Ltd.	1,024
103.40.174.0/23	AS55996	CYPRESS TELECOM (CHINA) LIMITED	512
103.40.172.0/23	AS131274	Cypress Telecom Limited	512
103.40.70.0/23	AS132895	Prodigy Communications Pty Ltd	512
103.40.100.0/23	AS136907	Huawei-Cloud-TR	512
103.40.102.0/23	AS136907	Huawei-Cloud-TR	512
103.40.156.0/23	AS150434	Signature International	512
103.40.2.0/23	AS150450	Kinahugan Bojol Communications, Inc.	512
103.40.226.0/23	AS45766	Triangle Services	512
103.40.110.0/23	AS10310	Brightroll, Inc	512
103.40.118.0/23	AS56309	READYIDC COMPANY LIMITED	512
103.40.54.0/23	AS58392	PT. Sewiwi Indonesia	512
103.40.92.0/23	AS63504	Yayasan Panca Dharma	512
103.40.167.0/24	AS134186	Paradise Technologies Limited	256
103.40.166.0/24	AS134186	Paradise Technologies Limited	256
103.40.109.0/24	AS133120	Hosted Network Pty. Ltd.	256
103.40.81.0/24	AS132840	Neos Systems Limited	256
103.40.116.0/24	AS58955	Bangmod Enterprise Co., Ltd.	256
103.40.108.0/24	AS59149	Husky CNOOC Madura Ltd.	256
103.40.112.0/24	AS132839	UNIT 04,7/F,BRIGHT WAY,TOWER NO. 33 MONG KOK ROAD	256
103.40.94.0/24	AS63506	Badan SAR Nasional	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
103.40.131.1	AS23808 TOSHIMA CABLE NETWORK CO.,LTD	`0.79ms` from Tokyo, JP
103.40.129.1	AS23808 TOSHIMA CABLE NETWORK CO.,LTD	`0.81ms` from Tokyo, JP
103.40.128.1	AS23808 TOSHIMA CABLE NETWORK CO.,LTD	`0.79ms` from Tokyo, JP
103.40.130.1	AS23808 TOSHIMA CABLE NETWORK CO.,LTD	`0.80ms` 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
95.168.85.150	AS8462 Tarr Kft.	`6.28ms` from Budapest, HU
18.219.20.86	AS16509 Amazon.com, Inc.	`0.15ms` from Columbus, US
79.208.23.38	AS3320 Deutsche Telekom AG	`3.50ms` from Frankfurt am Main, DE
139.162.186.6	AS63949 Akamai Connected Cloud	`0.14ms` from Frankfurt am Main, DE
88.7.131.182	AS3352 TELEFONICA DE ESPANA S.A.U.	`7.58ms` from Madrid, ES
67.242.173.6	AS11351 Charter Communications Inc	`17.67ms` from New York City, US
72.226.104.166	AS12271 Charter Communications Inc	`7.34ms` from New York City, US
120.124.19.230	AS1659 Taiwan Academic Network (TANet) Information Center	`1.64ms` from Taipei, TW
111.251.144.102	AS3462 Data Communication Business Group	`1.84ms` from Taipei, TW
102.29.3.134	AS327934 SOCIETE NATIONALE DES TELECOMMUNICATIONS (Tunisie Telecom)	`17.03ms` from Tunis, TN
192.164.250.102	AS8447 A1 Telekom Austria AG	`2.55ms` from Vienna, AT
52.82.32.102	AS135629 Ningxia West Cloud Data Technology Co.Ltd.	`1.39ms` from Zhongwei, CN
147.50.195.6	AS45458 SBN-ISP/AWN-ISP and SBN-NIX/AWN-NIX	`2.73ms` from Bangkok, TH
2.206.205.150	AS3209 Vodafone GmbH	`5.20ms` from Berlin, DE
122.151.43.182	AS9443 Vocus Retail	`1.73ms` from Brisbane, AU
18.218.2.230	AS16509 Amazon.com, Inc.	`0.18ms` from Columbus, US
162.235.146.150	AS7018 AT&T Enterprises, LLC	`9.92ms` from Dallas, US
145.253.119.86	AS3209 Vodafone GmbH	`0.38ms` from Frankfurt am Main, DE
84.182.92.230	AS3320 Deutsche Telekom AG	`3.17ms` from Frankfurt am Main, DE
150.223.2.38	AS58519 Cloud Computing Corporation	`1.01ms` from Hohhot, CN
60.22.49.182	AS4837 CHINA UNICOM China169 Backbone	`7.23ms` from Liaoyang, CN
86.140.7.70	AS2856 British Telecommunications PLC	`2.75ms` from London, GB
162.202.196.38	AS7018 AT&T Enterprises, LLC	`2.65ms` from Miami, US
146.56.249.182	AS45090 Shenzhen Tencent Computer Systems Company Limited	`0.12ms` from Nanjing, CN
200.90.140.198	AS21599 Cable Onda	`1.05ms` from Panama, PA

Traceroute

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

traceroute -a -n -q1 -f2 103.40.129.131

traceroute to 103.40.129.131 (103.40.129.131): 64 hops max, 52 byte packets

2 [] 210.173.176.248 115.045 ms

3 [AS23808] 202.140.192.4 114.141 ms

4 [AS23808] 103.40.129.131 122.904 ms

Measurement taken from

IPinfo ProbeNet in Salt Lake City, US

On December 6th 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.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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