4723 DOLPHIN - Dolphin, JP
Adjacency: 3 Upstream: 3 Downstream: 0
Upstream Adjacent AS list
AS2497 IIJ - Internet Initiative Japan Inc., JP
AS4713 OCN - NTT DOCOMO BUSINESS,Inc., JP
AS2516 KDDI - KDDI CORPORATION, JP
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 5967 AS4723 ORIGIN Originate: 25600 /17.36 Transit: 0 /0.00 DOLPHIN - Dolphin, 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 % 20570 AS4723 DOLPHIN - Dolphin, JP 5 2 1 4 1 20.00% Prefix AS Path Aggregation Suggestion 61.122.64.0/19 4777 2516 4723 175.100.208.0/22 4777 2516 4723 + Announce - aggregate of 175.100.208.0/23 (4777 2516 4723) and 175.100.210.0/23 (4777 2516 4723) 175.100.208.0/23 4777 2516 4723 - Withdrawn - aggregated with 175.100.210.0/23 (4777 2516 4723) 175.100.210.0/23 4777 2516 4723 - Withdrawn - aggregated with 175.100.208.0/23 (4777 2516 4723) 210.135.64.0/19 4777 2516 4723 210.173.224.0/19 4777 2516 4723
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS4723 5 More Specifics 5 Total Advertisements DOLPHIN - Dolphin, JP
61.122.64.0/19 61.112.0.0/12
175.100.208.0/23 175.100.208.0/20
175.100.210.0/23 175.100.208.0/20
210.135.64.0/19 210.128.0.0/13
210.173.224.0/19 210.160.0.0/12
whois: 402603
IANA has recorded AS4723 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS4723\n % [whois.apnic.net]
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% Information related to 'AS4608 - AS4865'
as-block: AS4608 - AS4865
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source: APNIC
% Information related to 'AS4683 - AS4735'
as-block: AS4683 - AS4735
descr: JPNIC-2Byte-ASBLOCK-AP
descr: for assignment to JPNIC members
country: JP
admin-c: JNIC1-AP
tech-c: JNIC1-AP
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last-modified: 2023-08-28T04:50:39Z
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role: Japan Network Information Center
address: Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047, Japan
country: JP
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tech-c: JE53-AP
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last-modified: 2022-01-05T03:04:02Z
source: APNIC
% Information related to 'AS4723'
aut-num: AS4723
as-name: DOLPHIN
descr: Dolphin
import: from AS2497 100 accept ANY
import: from AS2500 100 accept ANY
export: to AS2497 announce AS4723
export: to AS2500 announce AS4723
country: JP
admin-c: JP00006416
tech-c: JP00006416
last-modified: 2005-06-16T05:55:30Z
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source: JPNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)