Autonomous System details

AS23780

CTB Media Inc.  ·  ctb.jp

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AS23780 – CTB Media Inc.

Field Value
Country Japan
Website ctb.jp
Hosted domains 1
IPv4 addresses 16,384
IPv6 addresses 79,228,162,514,264,337,593,543,950,336
ASN type ISP
Registry jpnic
Updated 22 years ago on Aug 13, 2003
Netblock Company Num of IPs
211.19.224.0/19 CTB Media Inc. 8,192
211.15.112.0/20 CTB Media Inc. 4,096
49.128.24.0/21 CTB Media Inc. 2,048
49.128.96.0/22 CTB Media Inc. 1,024
203.201.52.0/22 CTB Media Inc. 1,024
Netblock Company
2402:6c80::/32 CTB Media Inc.
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WHOIS Details


                                                ASHandle:       AS23780
                                                OrgID:          AS23780
                                                ASName:         AS23780
                                                ASNumber:       AS23780
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

                                            
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Hosted Domains

There is 1 domain name hosted across 1 IP address on this ASN.

IP Address Domain Domains on this IP
211.15.116.51 ██████████ 1

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Useful for Cybersecurity

Peers

There are 30 peers for this ASN.

Peers Name
AS137409 GSL Networks Pty LTD
AS138997 Eons Data Communications Limited
AS14907 Wikimedia Foundation Inc.
AS17639 Converge ICT Solutions Inc.
AS17676 SoftBank Corp.
AS18106 Viewqwest Pte Ltd
AS1828 Unitas Global
AS199524 G-Core Labs S.A.
AS20485 Joint Stock Company TransTeleCom
AS24482 SG.GS
AS2497 Internet Initiative Japan Inc.
AS2500 WIDE Project
AS25152 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
AS2519 ARTERIA Networks Corporation
AS3216 PJSC Vimpelcom
AS35280 F5 Networks SARL
AS38195 Superloop
AS38623 ISP/IXP IN CAMBODIA WITH THE BEST VERVICE IN THERE.
AS45489 Sri Lanka Telecom PLC, GLobal Peering
AS45796 UIH / BB Connect
AS49544 i3D.net B.V
AS59105 Home NOC Operators Group
AS64049 Reliance Jio Infocomm Pte Ltd Singapore
AS6939 Hurricane Electric LLC
AS7713 PT Telekomunikasi Indonesia
AS8529 Zain Omantel International FZ-LLC
AS8966 EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC
AS9002 RETN Limited
AS9304 HGC Global Communications Limited
AS9583 Sify Limited
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Upstreams

There are 3 upstreams for this ASN.

upstreams Name
AS17676 SoftBank Corp.
AS2497 Internet Initiative Japan Inc.
AS2519 ARTERIA Networks Corporation
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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

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

IP Address ASN Details
211.15.118.3 AS23780 CTB Media Inc. 8.86ms from Osaka, JP
49.128.24.1 AS23780 CTB Media Inc. 9.12ms from Osaka, JP
211.15.119.249 AS23780 CTB Media Inc. 9.62ms from Osaka, JP
211.15.127.141 AS23780 CTB Media Inc. 9.82ms from Osaka, JP
211.19.232.1 AS23780 CTB Media Inc. 9.03ms from Osaka, JP
211.15.121.21 AS23780 CTB Media Inc. 9.71ms from Osaka, JP
49.128.28.1 AS23780 CTB Media Inc. 9.20ms from Osaka, JP
211.15.124.1 AS23780 CTB Media Inc. 9.34ms from Osaka, JP
211.19.239.169 AS23780 CTB Media Inc. 9.52ms from Osaka, JP
211.19.229.46 AS23780 CTB Media Inc. 16.26ms from Osaka, JP
211.19.236.1 AS23780 CTB Media Inc. 9.03ms from Osaka, JP
211.19.241.79 AS23780 CTB Media Inc. 9.81ms from Osaka, JP
211.15.120.1 AS23780 CTB Media Inc. 9.16ms from Osaka, JP
203.201.54.161 AS23780 CTB Media Inc. 9.77ms from Osaka, JP
211.19.225.34 AS23780 CTB Media Inc. 15.88ms from Osaka, JP
49.128.25.1 AS23780 CTB Media Inc. 10.06ms from Osaka, JP
49.128.30.224 AS23780 CTB Media Inc. 9.78ms from Osaka, JP
211.15.117.129 AS23780 CTB Media Inc. 9.28ms from Osaka, JP
211.19.251.104 AS23780 CTB Media Inc. 10.59ms from Osaka, JP
211.19.253.154 AS23780 CTB Media Inc. 9.55ms from Osaka, JP
203.201.53.56 AS23780 CTB Media Inc. 9.55ms from Osaka, JP
211.19.237.41 AS23780 CTB Media Inc. 9.83ms from Osaka, JP
211.15.126.4 AS23780 CTB Media Inc. 10.38ms from Osaka, JP
211.15.116.45 AS23780 CTB Media Inc. 8.89ms from Osaka, JP
49.128.96.1 AS23780 CTB Media Inc. 8.86ms from Osaka, 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
51.144.72.148 AS8075 Microsoft Corporation 0.29ms from Amsterdam, NL
191.92.180.132 AS27831 Colombia Móvil 6.83ms from Bogota, CO
104.154.42.20 AS396982 Google LLC 0.11ms from Council Bluffs, US
102.117.156.100 AS23889 Mauritius Telecom Ltd 2.04ms from Ebene, MU
82.98.76.84 AS12306 Plus.line AG 0.66ms from Frankfurt am Main, DE
80.146.188.116 AS3320 Deutsche Telekom AG 2.26ms from Frankfurt am Main, DE
49.70.166.180 AS4134 CHINANET-BACKBONE 5.53ms from Huai'an, CN
176.111.36.52 AS203866 Versija SIA 5.48ms from Ljubljana, SI
40.90.66.4 AS8075 Microsoft Corporation 0.47ms from London, GB
187.244.53.36 AS13999 Mega Cable, S.A. de C.V. 17.04ms from Santiago de Querétaro, MX
43.202.20.100 AS16509 Amazon.com, Inc. 0.20ms from Seoul, KR
103.51.188.68 AS9971 SK Broadband Co Ltd 1.59ms from Seoul, KR
189.56.156.4 AS10429 TELEFÔNICA BRASIL S.A 0.98ms from São Paulo, BR
115.51.123.116 AS4837 CHINA UNICOM China169 Backbone 3.02ms from Zhengzhou, CN
94.177.217.52 AS31034 Aruba S.p.A. 0.33ms from Arezzo, IT
172.203.151.164 AS8075 Microsoft Corporation 0.64ms from Ashburn, US
165.27.248.180 AS18933 T-Mobile USA, Inc. 5.78ms from Atlanta, US
99.60.184.132 AS7018 AT&T Enterprises, LLC 11.06ms from Columbus, US
20.203.100.52 AS8075 Microsoft Corporation 1.52ms from Dubai, AE
87.143.173.52 AS3320 Deutsche Telekom AG 9.72ms from Frankfurt am Main, DE
183.58.8.116 AS4134 CHINANET-BACKBONE 3.27ms from Guangzhou, CN
114.217.77.132 AS140292 CHINATELECOM Jiangsu province Suzhou 5G network 7.89ms from Huai'an, CN
118.222.169.36 AS9318 SK Broadband Co Ltd 6.24ms from Incheon, KR
103.56.80.36 AS152000 PT Jaringan Citra Mandiri 2.69ms from Jakarta, ID
36.69.242.68 AS7713 PT Telekomunikasi Indonesia 1.74ms from Jakarta, ID

Traceroute

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

$
traceroute -a -n -q1 -f5 211.19.243.197
traceroute to 211.19.243.197 (211.19.243.197): 64 hops max, 52 byte packets
5 [] 210.173.184.13 0.568 ms
6 [AS23780] 211.15.112.25 10.048 ms
Measurement taken from IPinfo ProbeNet in Osaka, JP
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS23780 at robtex.

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