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
211.15.124.1 AS23780 CTB Media Inc. 9.40ms from Osaka, JP
49.128.29.247 AS23780 CTB Media Inc. 9.55ms from Osaka, JP
211.19.248.198 AS23780 CTB Media Inc. 9.31ms from Osaka, JP
211.15.121.211 AS23780 CTB Media Inc. 9.74ms from Osaka, JP
211.19.239.169 AS23780 CTB Media Inc. 9.53ms from Osaka, JP
211.15.120.1 AS23780 CTB Media Inc. 9.22ms from Osaka, JP
211.15.117.129 AS23780 CTB Media Inc. 9.16ms from Osaka, JP
211.19.252.1 AS23780 CTB Media Inc. 9.21ms from Osaka, JP
211.19.234.188 AS23780 CTB Media Inc. 16.50ms from Osaka, JP
211.15.116.45 AS23780 CTB Media Inc. 8.86ms from Osaka, JP
49.128.24.1 AS23780 CTB Media Inc. 9.09ms from Osaka, JP
211.19.241.189 AS23780 CTB Media Inc. 9.79ms from Osaka, JP
211.15.115.193 AS23780 CTB Media Inc. 9.08ms from Osaka, JP
203.201.54.185 AS23780 CTB Media Inc. 10.00ms from Osaka, JP
2402:6c80:0:a08::6 AS23780 CTB Media Inc. 6.70ms from Osaka, JP
211.19.227.94 AS23780 CTB Media Inc. 15.97ms from Osaka, JP
211.15.125.24 AS23780 CTB Media Inc. 9.30ms from Osaka, JP
211.19.225.193 AS23780 CTB Media Inc. 16.45ms from Osaka, JP
49.128.30.193 AS23780 CTB Media Inc. 10.75ms from Osaka, JP
211.19.228.1 AS23780 CTB Media Inc. 9.34ms from Osaka, JP
211.19.250.55 AS23780 CTB Media Inc. 10.14ms from Osaka, JP
211.19.251.104 AS23780 CTB Media Inc. 9.80ms from Osaka, JP
211.15.119.212 AS23780 CTB Media Inc. 9.62ms from Osaka, JP
211.19.243.153 AS23780 CTB Media Inc. 9.62ms from Osaka, JP
211.19.244.1 AS23780 CTB Media Inc. 9.08ms 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
70.160.206.164 AS22773 Cox Communications Inc. 9.38ms from Ashburn, US
174.140.129.132 AS29748 Quality Technology Services, LLC 0.49ms from Ashburn, US
4.227.227.132 AS8075 Microsoft Corporation 0.42ms from Ashburn, US
223.83.176.68 AS56045 China Mobile communications corporation 15.64ms from Changsha, CN
73.50.196.36 AS7922 Comcast Cable Communications, LLC 8.10ms from Chicago, US
176.34.138.212 AS16509 Amazon.com, Inc. 0.30ms from Dublin, IE
176.148.134.132 AS5410 Bouygues Telecom SA 5.55ms from Frankfurt am Main, DE
103.131.98.228 AS131111 PT Mora Telematika Indonesia 18.40ms from Jakarta, ID
94.35.123.228 AS8612 Tiscali Italia S.P.A. 17.46ms from Milan, IT
66.133.122.4 AS13649 Flexential Colorado Corp. 3.90ms from New York City, US
88.173.160.84 AS12322 Free SAS 8.23ms from Paris, FR
176.74.172.68 AS13768 Aptum Technologies 0.45ms from Portsmouth, GB
61.79.63.132 AS4766 Korea Telecom 6.64ms from Seoul, KR
210.59.7.4 AS1659 Taiwan Academic Network (TANet) Information Center 3.60ms from Taipei, TW
23.109.173.100 AS7979 Servers.com, Inc. 0.24ms from Amsterdam, NL
34.198.9.4 AS14618 Amazon.com, Inc. 0.50ms from Ashburn, US
173.31.249.52 AS30036 Mediacom Communications Corp 10.58ms from Atlanta, US
187.204.58.196 AS8151 UNINET 7.62ms from Guadalajara, MX
131.161.223.100 AS270049 MARVICNET CIA LTDA 7.43ms from Guayaquil, EC
156.233.32.4 AS44559 IT HOSTLINE LTD 0.18ms from Hong Kong, HK
114.103.81.212 AS4134 CHINANET-BACKBONE 7.76ms from Huai'an, CN
23.228.100.4 AS46573 Vault Host 0.31ms from Los Angeles, US
186.52.131.196 AS6057 Administracion Nacional de Telecomunicaciones 1.75ms from Montevideo, UY
45.79.84.212 AS63949 Akamai Connected Cloud 0.14ms from Santa Clara, US
66.22.100.132 AS48851 Radware Ltd 1.60ms from Santiago, CL

Traceroute

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

$
traceroute -a -n -q1 -f4 -m13 49.128.98.114
traceroute to 49.128.98.114 (49.128.98.114): 13 hops max, 52 byte packets
4 [AS3356] 4.69.209.189 1.412 ms
5 [AS2497] 202.232.1.129 2.004 ms
6 [AS2497] 58.138.88.177 111.831 ms
7 [AS2497] 58.138.89.138 120.887 ms
8 *
9 [AS23780] 211.15.112.225 123.771 ms
10 [AS23780] 211.15.112.246 123.786 ms
11 *
12 *
13 *
Measurement taken from IPinfo ProbeNet in Fremont, US
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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