2511 CORE Nippon Telegraph and Telephone Corporation, JP
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS173 NTTECL-AS Nippon Telegraph and Telephone Corporation, JP
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4690 AS2511 ORIGIN Originate: 41728 /16.65 Transit: 0 /0.00 CORE Nippon Telegraph and Telephone Corporation, 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 % 30331 AS2511 CORE Nippon Telegraph and Telephone Corporati 5 0 0 5 0 0.00% Prefix AS Path Aggregation Suggestion 163.138.0.0/17 4777 2516 2518 173 173 2511 163.138.128.0/19 4777 2516 2518 173 173 2511 192.5.216.0/24 4777 2516 2518 173 173 2511 192.26.94.0/24 4777 2516 2518 173 173 2511 192.47.167.0/24 4777 2516 2518 173 173 2511
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS2511 2 More Specifics 5 Total Advertisements CORE Nippon Telegraph and Telephone Corporation, JP
163.138.0.0/17 163.138.0.0/16
163.138.128.0/19 163.138.0.0/16
whois: 402332
IANA has recorded AS2511 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS2511\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS2497 - AS2528'
as-block: AS2497 - AS2528
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: 2017-06-12T03:54:29Z
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 'AS2511'
% Abuse contact for 'AS2511' is 'hostmaster@nic.ad.jp'
aut-num: AS2511
as-name: NTTV6NET
descr: NTT Software Innovation Center
descr: 3-9-11, Midori-cho, Musashino-shi, Tokyo, Japan
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Email address for spam or abuse complaints : pi-address-ml@hco.ntt.co.jp
country: JP
mnt-by: MAINT-JPNIC
mnt-irt: IRT-JPNIC-JP
last-modified: 2024-09-18T05:44:45Z
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 'AS2511'
aut-num: AS2511
as-name: CORE
descr: Nippon Telegraph and Telephone Corporation
import:
export:
country: JP
admin-c: TM68535JP
tech-c: TM68535JP
last-modified: 2023-03-17T20:58:06Z
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)