18135 BTV BTV CO.,LTD., JP
Adjacency: 4 Upstream: 4 Downstream: 0
Upstream Adjacent AS list
AS17676 GIGAINFRA SoftBank Corp., JP
AS2519 VECTANT ARTERIA Networks Corporation, JP
AS6939 HURRICANE, US
AS2497 IIJ Internet Initiative Japan Inc., JP
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4881 AS18135 ORIGIN Originate: 38912 /16.75 Transit: 0 /0.00 BTV BTV CO.,LTD., JP
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 21291 AS18135 BTV BTV CO.,LTD., JP 10 2 1 9 1 10.00% Prefix AS Path Aggregation Suggestion 42.83.0.0/18 6939 18135 103.205.48.0/22 6939 18135 153.124.224.0/21 6939 18135 163.131.104.0/21 6939 18135 + Announce - aggregate of 163.131.104.0/22 (6939 18135) and 163.131.108.0/22 (6939 18135) 163.131.104.0/22 6939 18135 - Withdrawn - aggregated with 163.131.108.0/22 (6939 18135) 163.131.108.0/22 6939 18135 - Withdrawn - aggregated with 163.131.104.0/22 (6939 18135) 182.23.216.0/21 6939 18135 203.211.32.0/20 6939 18135 203.211.48.0/21 6939 18135 219.100.88.0/22 6939 18135 219.103.0.0/19 6939 18135
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS18135 29 More Specifics 34 Total Advertisements BTV BTV CO.,LTD., JP
42.83.0.0/19 42.83.0.0/18
42.83.0.0/20 42.83.0.0/18
42.83.16.0/20 42.83.0.0/18
42.83.24.0/21 42.83.0.0/18
42.83.32.0/20 42.83.0.0/18
42.83.32.0/21 42.83.0.0/18
42.83.32.0/22 42.83.0.0/18
42.83.36.0/22 42.83.0.0/18
42.83.40.0/21 42.83.0.0/18
42.83.40.0/22 42.83.0.0/18
42.83.48.0/20 42.83.0.0/18
42.83.48.0/21 42.83.0.0/18
42.83.56.0/22 42.83.0.0/18
163.131.104.0/22 163.131.0.0/16
163.131.108.0/22 163.131.0.0/16
203.211.40.0/21 203.211.32.0/20
203.211.43.0/24 203.211.32.0/20
203.211.44.0/24 203.211.32.0/20
203.211.45.0/24 203.211.32.0/20
203.211.46.0/24 203.211.32.0/20
203.211.47.0/24 203.211.32.0/20
203.211.48.0/23 203.211.48.0/21
203.211.50.0/23 203.211.48.0/21
203.211.52.0/23 203.211.48.0/21
203.211.54.0/23 203.211.48.0/21
219.100.88.0/22 219.96.0.0/11
219.103.0.0/19 219.96.0.0/11
219.103.0.0/20 219.96.0.0/11
219.103.16.0/20 219.96.0.0/11
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 42.83.0.0/19 Announced
+ 42.83.0.0/20 Announced
+ 42.83.16.0/20 Announced
+ 42.83.24.0/21 Announced
+ 42.83.32.0/20 Announced
+ 42.83.32.0/21 Announced
+ 42.83.32.0/22 Announced
+ 42.83.36.0/22 Announced
+ 42.83.40.0/21 Announced
+ 42.83.40.0/22 Announced
+ 42.83.48.0/20 Announced
+ 42.83.48.0/21 Announced
+ 42.83.56.0/22 Announced
+ 203.211.40.0/21 Announced
+ 203.211.43.0/24 Announced
+ 203.211.44.0/24 Announced
+ 203.211.45.0/24 Announced
+ 203.211.46.0/24 Announced
+ 203.211.47.0/24 Announced
+ 203.211.48.0/23 Announced
+ 203.211.50.0/23 Announced
+ 203.211.52.0/23 Announced
+ 203.211.54.0/23 Announced
+ 219.103.0.0/20 Announced
+ 219.103.16.0/20 Announced
- 42.83.0.0/18 Withdrawn
whois: 402590
IANA has recorded AS18135 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS18135\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS17653 - AS18431'
as-block: AS17653 - AS18431
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2019-01-08T23:19:07Z
source: APNIC
role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC
% Information related to 'AS18121 - AS18152'
as-block: AS18121 - AS18152
descr: JPNIC-2Byte-ASBLOCK-AP
descr: for assignment to JPNIC members
country: JP
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can be
remarks: queried at whois.nic.ad.jp.
remarks: To only display English output,
remarks: add '/e' at the end of command,
remarks: e.g. 'whois -h whois.nic.ad.jp xxx/e'.
mnt-by: APNIC-HM
mnt-lower: MAINT-JPNIC
last-modified: 2017-06-12T03:54:32Z
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: hostmaster@nic.ad.jp
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 'AS18135'
% Abuse contact for 'AS18135' is 'hostmaster@nic.ad.jp'
aut-num: AS18135
as-name: BTV
descr: BTV Cable Television Co.,LTD
descr: 1-7,Nakamachi,Miyakonojo City,Miyazaki
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Email address for spam or abuse complaints : abuse@btvm.ne.jp
country: JP
mnt-by: MAINT-JPNIC
mnt-lower: MAINT-JPNIC
mnt-irt: IRT-JPNIC-JP
last-modified: 2024-08-16T01:45:53Z
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: hostmaster@nic.ad.jp
abuse-mailbox: hostmaster@nic.ad.jp
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
admin-c: JNIC1-AP
tech-c: JNIC1-AP
auth: # Filtered
remarks: hostmaster@nic.ad.jp was validated on 2024-11-27
mnt-by: MAINT-JPNIC
last-modified: 2025-09-04T01:00:00Z
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: hostmaster@nic.ad.jp
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 'AS18135'
aut-num: AS18135
as-name: BTV
descr: BTV CO.,LTD.
import:
export:
country: JP
admin-c: TE7166JP
tech-c: JP00246434
tech-c: TI11581JP
last-modified: 2023-08-17T02:42:19Z
remarks: This information has been partially mirrored by APNIC from
remarks: JPNIC. To obtain more specific information, please use the
remarks: JPNIC WHOIS Gateway at
remarks: http://www.nic.ad.jp/en/db/whois/en-gateway.html or
remarks: whois.nic.ad.jp for WHOIS client. (The WHOIS client
remarks: defaults to Japanese output, use the /e switch for English
remarks: output)
source: JPNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)