IPv4 Addresses: 16,384
Number of Peers: 7
Number of Prefixes: 6
Traffic Estimation: 10-20Gbps
AS23780 Summary
Regional Registry:
IANAAllocation Status:
AssignedTraffic Estimation:
10-20GbpsTraffic Ratio:
Mostly InboundInternet Exchanges:
7Website:
https://www.ctb.jpAS23780 Network
IPv4 Prefixes:
5IPv4 Peers:
4IPv4 Upstreams:
4IPv6 Prefixes:
1IPv6 Peers:
3IPv6 Upstreams:
3Contacts
Email Contacts:
Abuse Contacts:
Address:
Uchikanda OS Bldg 4F,
2-12-6 Uchi-Kanda,
Chiyoda-ku,
Tokyo 101-0047,
japan
| Country | Announced Prefix | Description | Valid ROA | Parent Prefix | RIR |
|---|---|---|---|---|---|
|
49.128.24.0/21 | CTB Media Inc. | 49.128.24.0/21 | APNIC | |
|
|
49.128.96.0/22 | CTB Media Inc. | 49.128.96.0/22 | APNIC | |
|
|
203.201.52.0/22 | CTB Media Inc. | 203.201.52.0/22 | APNIC | |
|
|
211.15.112.0/20 | CTB Media Inc. | 211.8.0.0/13 | APNIC | |
|
|
211.19.224.0/19 | CTB Media Inc. | 212.101.224.0/19 | RIPE |
| Country | Announced Prefix | Description | Valid ROA | Parent Prefix | RIR |
|---|---|---|---|---|---|
|
|
2402:6c80::/32 | CTB Media Inc. | 2402:6c80::/32 | APNIC |
| Country | ASN | Name | Description | IPv6 |
|---|---|---|---|---|
|
AS2497 | IIJ | Internet Initiative Japan Inc. | |
 |
AS2519 | APNIC-AS-X-BLOCK | Asia Pacific Network Information Centre | |
|
AS17676 | ULTINA | SoftBank Mobile Corp. | |
 |
AS6939 | HURRICANE | Hurricane Electric LLC |
IPv4 Upstream Graph
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| Country | ASN | Name | Description | IPv4 |
|---|---|---|---|---|
|
AS2497 | IIJ | Internet Initiative Japan Inc. | |
|
AS2519 | APNIC-AS-X-BLOCK | Asia Pacific Network Information Centre | |
|
AS17676 | ULTINA | SoftBank Mobile Corp. |
IPv6 Upstream Graph
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% [whois.apnic.net] % Whois data copyright terms http://www.apnic.net/db/dbcopyright.html % Information related to 'AS23780' % Abuse contact for 'AS23780' is '[email protected]' aut-num: AS23780 as-name: CTB descr: CTB Media Inc. descr: 7-1 horita, beppu-shi admin-c: JNIC1-AP tech-c: JNIC1-AP remarks: Email address for spam or abuse complaints : [email protected] country: JP mnt-by: MAINT-JPNIC mnt-lower: MAINT-JPNIC mnt-irt: IRT-JPNIC-JP last-modified: 2024-08-16T02:20:32Z 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: [email protected] abuse-mailbox: [email protected] phone: +81-3-5297-2311 fax-no: +81-3-5297-2312 admin-c: JNIC1-AP tech-c: JNIC1-AP auth: # Filtered remarks: [email protected] is invalid mnt-by: MAINT-JPNIC last-modified: 2024-09-28T21:13:03Z 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: [email protected] 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 % Information related to 'AS23780' aut-num: AS23780 as-name: CTB descr: CTB Media Inc. import: export: country: JP admin-c: TN1078JP tech-c: TN1078JP last-modified: 2003-08-13T22:02:03Z source: JPNIC % This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-US4)