AS number 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
Number of IPv4 16,384
Number of IPv6 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 29 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.
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
49.128.25.131 AS23780 CTB Media Inc. 11.87ms from Osaka, JP
211.19.255.60 AS23780 CTB Media Inc. 12.38ms from Osaka, JP
211.19.226.172 AS23780 CTB Media Inc. 18.29ms from Osaka, JP
49.128.30.35 AS23780 CTB Media Inc. 11.99ms from Osaka, JP
203.201.54.39 AS23780 CTB Media Inc. 12.93ms from Osaka, JP
211.19.251.101 AS23780 CTB Media Inc. 12.63ms from Osaka, JP
211.15.122.59 AS23780 CTB Media Inc. 12.30ms from Osaka, JP
211.19.228.1 AS23780 CTB Media Inc. 12.01ms from Osaka, JP
211.19.244.1 AS23780 CTB Media Inc. 11.43ms from Osaka, JP
211.19.243.163 AS23780 CTB Media Inc. 12.10ms from Osaka, JP
211.15.126.37 AS23780 CTB Media Inc. 12.47ms from Osaka, JP
211.19.242.247 AS23780 CTB Media Inc. 11.89ms from Osaka, JP
211.15.117.129 AS23780 CTB Media Inc. 11.70ms from Osaka, JP
211.19.252.1 AS23780 CTB Media Inc. 11.65ms from Osaka, JP
211.19.253.154 AS23780 CTB Media Inc. 12.01ms from Osaka, JP
203.201.55.149 AS23780 CTB Media Inc. 12.34ms from Osaka, JP
211.19.237.41 AS23780 CTB Media Inc. 12.14ms from Osaka, JP
211.19.246.149 AS23780 CTB Media Inc. 11.94ms from Osaka, JP
49.128.27.43 AS23780 CTB Media Inc. 12.49ms from Osaka, JP
203.201.53.158 AS23780 CTB Media Inc. 13.03ms from Osaka, JP
211.19.250.16 AS23780 CTB Media Inc. 12.15ms from Osaka, JP
211.19.245.248 AS23780 CTB Media Inc. 12.25ms from Osaka, JP
211.19.240.1 AS23780 CTB Media Inc. 11.41ms from Osaka, JP
49.128.26.57 AS23780 CTB Media Inc. 12.22ms from Osaka, JP
49.128.96.1 AS23780 CTB Media Inc. 11.35ms 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
98.64.243.100 AS8075 Microsoft Corporation 0.28ms from Amsterdam, NL
121.89.31.4 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 0.61ms from Beijing, CN
110.247.10.68 AS4837 CHINA UNICOM China169 Backbone 10.45ms from Beijing, CN
175.22.192.36 AS4837 CHINA UNICOM China169 Backbone 4.51ms from Changchun, CN
188.136.94.212 AS12355 HeLi NET Telekommunikation GmbH & Co. 2.07ms from Duesseldorf, DE
87.139.103.116 AS3320 Deutsche Telekom AG 3.18ms from Duesseldorf, DE
3.66.65.116 AS16509 Amazon.com, Inc. 0.16ms from Frankfurt am Main, DE
83.66.37.4 AS12978 ANDROMEDA TV DIGITAL PLATFORM ISLETMECILIGI A.S. 0.87ms from Istanbul, TR
102.141.184.68 AS327901 Level 7 Wireless (Pty) Ltd 1.58ms from Johannesburg, ZA
46.181.155.148 AS39927 E-Light-Telecom Ltd. 1.38ms from Kemerovo, RU
86.156.115.148 AS2856 British Telecommunications PLC 5.88ms from London, GB
86.2.8.84 AS5089 Virgin Media Limited 2.03ms from London, GB
84.92.32.132 AS6871 Plusnet 4.50ms from London, GB
87.0.101.132 AS3269 Telecom Italia S.p.A. 3.04ms from Milan, IT
96.56.121.52 AS6128 Cablevision Systems Corp. 3.28ms from New York City, US
133.45.97.100 AS2907 Research Organization of Information and Systems, National Institute of Informatics 12.13ms from Osaka, JP
200.155.166.4 AS11432 Telium Telecomunicações Ltda 0.63ms from Osasco, BR
54.233.211.212 AS16509 Amazon.com, Inc. 0.13ms from Osasco, BR
2.10.93.180 AS3215 Orange S.A. 6.94ms from Paris, FR
112.254.115.4 AS4837 CHINA UNICOM China169 Backbone 1.00ms from Qingdao, CN
219.248.80.68 AS9318 SK Broadband Co Ltd 2.35ms from Seoul, KR
5.74.31.100 AS58224 Iran Telecommunication Company PJS 15.40ms from Yerevan, AM
185.141.188.116 AS55293 A2 Hosting, Inc. 0.32ms from Amsterdam, NL
150.95.99.116 AS135161 GMO-Z com NetDesign Holdings Co., Ltd. 0.61ms from Bangkok, TH
219.239.118.164 AS4808 China Unicom Beijing Province Network 5.37ms from Beijing, CN

Traceroute

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

$
traceroute -a -n -q1 -f6 211.15.120.152
traceroute to 211.15.120.152 (211.15.120.152): 64 hops max, 52 byte packets
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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