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 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

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

IP Address ASN Details
211.19.248.1 AS23780 CTB Media Inc. 11.75ms from Osaka, JP
211.19.241.121 AS23780 CTB Media Inc. 12.24ms from Osaka, JP
49.128.28.1 AS23780 CTB Media Inc. 11.58ms from Osaka, JP
211.19.239.175 AS23780 CTB Media Inc. 12.06ms from Osaka, JP
203.201.55.216 AS23780 CTB Media Inc. 12.26ms from Osaka, JP
211.19.254.209 AS23780 CTB Media Inc. 12.32ms from Osaka, JP
211.15.116.38 AS23780 CTB Media Inc. 9.24ms from Osaka, JP
49.128.25.178 AS23780 CTB Media Inc. 12.27ms from Osaka, JP
211.19.235.55 AS23780 CTB Media Inc. 18.47ms from Osaka, JP
211.19.252.1 AS23780 CTB Media Inc. 11.71ms from Osaka, JP
211.19.228.1 AS23780 CTB Media Inc. 11.86ms from Osaka, JP
49.128.30.27 AS23780 CTB Media Inc. 12.69ms from Osaka, JP
49.128.31.220 AS23780 CTB Media Inc. 12.24ms from Osaka, JP
211.19.227.26 AS23780 CTB Media Inc. 18.74ms from Osaka, JP
2402:6c80::5 AS23780 CTB Media Inc. 7.38ms from Tokyo, JP
211.19.249.52 AS23780 CTB Media Inc. 12.20ms from Osaka, JP
211.19.255.88 AS23780 CTB Media Inc. 11.99ms from Osaka, JP
211.19.251.231 AS23780 CTB Media Inc. 12.65ms from Osaka, JP
211.15.117.129 AS23780 CTB Media Inc. 11.66ms from Osaka, JP
211.15.120.1 AS23780 CTB Media Inc. 11.74ms from Osaka, JP
49.128.29.25 AS23780 CTB Media Inc. 12.28ms from Osaka, JP
211.19.242.18 AS23780 CTB Media Inc. 12.17ms from Osaka, JP
203.201.53.206 AS23780 CTB Media Inc. 12.25ms from Osaka, JP
211.19.232.1 AS23780 CTB Media Inc. 11.62ms from Osaka, JP
211.19.229.187 AS23780 CTB Media Inc. 18.23ms 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
82.79.96.148 AS8708 DIGI ROMANIA S.A. 2.64ms from Bucharest, RO
94.199.53.244 AS30836 23VNet Kft. 0.23ms from Budapest, HU
41.40.142.132 AS8452 TE-AS 3.28ms from Cairo, EG
179.68.178.100 AS4230 CLARO S.A. 16.52ms from Curitiba, BR
45.179.227.4 AS28598 DB3 SERVICOS DE TELECOMUNICACOES S.A 0.53ms from Fortaleza, BR
89.246.116.4 AS8881 1&1 Versatel GmbH 5.42ms from Frankfurt am Main, DE
83.41.108.228 AS3352 TELEFONICA DE ESPANA S.A.U. 10.59ms from Madrid, ES
2.9.76.68 AS3215 Orange S.A. 5.50ms from Marseille, FR
203.219.142.196 AS7545 TPG Telecom Limited 1.64ms from Melbourne, AU
72.239.43.116 AS33363 Charter Communications, Inc 8.50ms from Orlando, US
187.34.24.20 AS27699 TELEFÔNICA BRASIL S.A 1.47ms from Osasco, BR
119.208.209.84 AS4766 Korea Telecom 1.44ms from Seoul, KR
60.119.86.20 AS17676 SoftBank Corp. 2.43ms from Tokyo, JP
210.128.233.164 AS2497 Internet Initiative Japan Inc. 14.79ms from Tokyo, JP
101.241.120.68 AS17429 BEIJING GEHUA CATV NETWORK CO.LTD 9.20ms from Beijing, CN
200.47.157.196 AS14187 SENCINET LATAM COLOMBIA S.A. 0.81ms from Bogota, CO
124.176.57.68 AS1221 Telstra Limited 19.11ms from Brisbane, AU
123.144.191.132 AS4837 CHINA UNICOM China169 Backbone 1.83ms from Chongqing, CN
18.254.108.100 AS8987 Amazon Data Services Ireland Ltd 0.80ms from Columbus, US
47.7.101.20 AS20115 Charter Communications LLC 14.70ms from Dallas, US
24.130.237.244 AS7922 Comcast Cable Communications, LLC 6.39ms from Fremont, US
138.113.48.116 AS54994 Meteverse Limited. 0.45ms from Hong Kong, HK
95.130.228.212 AS49223 EVEREST TV AND RADIO COMPANY LLC 4.57ms from Kyiv, UA
82.33.36.164 AS5089 Virgin Media Limited 11.82ms from London, GB
88.3.86.148 AS3352 TELEFONICA DE ESPANA S.A.U. 6.84ms from Madrid, ES

Traceroute

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

$
traceroute -a -n -q1 -f5 211.15.121.203
traceroute to 211.15.121.203 (211.15.121.203): 64 hops max, 52 byte packets
5 [] 210.173.184.13 0.513 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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