23816 YAHOO Yahoo Japan Corporation, JP
Adjacency: 7 Upstream: 4 Downstream: 3
Upstream Adjacent AS list
AS4713 OCN NTT Communications Corporation, JP
AS2516 KDDI KDDI CORPORATION, JP
AS6939 HURRICANE, US
AS2497 IIJ Internet Initiative Japan Inc., JP
Downstream Adjacent AS list
AS24296 YAHOO-2 Yahoo Japan Corporation, JP
AS18140 YAHOO-18140 Yahoo Japan Corporation, JP
AS55898 YAHOO-CORP Yahoo Japan Corporation, JP
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 3330 AS23816 ORG+TRN Originate: 66560 /15.98 Transit: 31232 /17.07 YAHOO Yahoo Japan 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 % 36936 AS23816 YAHOO Yahoo Japan Corporation, JP 7 0 0 7 0 0.00% Prefix AS Path Aggregation Suggestion 118.151.224.0/19 6939 23816 182.22.0.0/17 6939 23816 202.93.64.0/19 6939 23816 202.239.0.0/20 6939 23816 203.141.32.0/20 6939 23816 203.216.224.0/19 6939 23816 211.14.12.0/22 6939 23816
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS23816 4 More Specifics 8 Total Advertisements YAHOO Yahoo Japan Corporation, JP
202.239.0.0/20 202.236.0.0/14
203.95.16.0/24 203.95.16.0/21
203.141.32.0/20 203.140.0.0/15
211.14.12.0/22 211.8.0.0/13
whois: 402603
IANA has recorded AS23816 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS23816\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS23552 - AS24575'
as-block: AS23552 - AS24575
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
remarks: AS23889 has been transfered to AfriNIC
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2009-09-29T06:04:16Z
source: APNIC
role: APNIC Hostmaster
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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 'AS23773 - AS23836'
as-block: AS23773 - AS23836
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. 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: 2009-11-19T01:11:45Z
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 'AS23816'
aut-num: AS23816
as-name: YAHOO
descr: LY Corporation
import:
export:
country: JP
admin-c: JP00032461
tech-c: JP00032461
last-modified: 2025-06-18T16:44:11Z
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)