38638 IP-CORE Ip Core Corporation, JP
Adjacency: 4 Upstream: 4 Downstream: 0
Upstream Adjacent AS list
AS13335 CLOUDFLARENET, US
AS2497 IIJ Internet Initiative Japan Inc., JP
AS17676 GIGAINFRA SoftBank Corp., JP
AS3491 CONSOLE-CONNECT-ASN, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 13291 AS38638 ORIGIN Originate: 6656 /19.30 Transit: 0 /0.00 IP-CORE Ip Core 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 % 3632 AS38638 IP-CORE Ip Core Corporation, JP 26 20 5 11 15 57.69% Prefix AS Path Aggregation Suggestion 27.123.8.0/21 7018 13335 38638 + Announce - aggregate of 27.123.8.0/22 (7018 13335 38638) and 27.123.12.0/22 (7018 13335 38638) 27.123.8.0/24 7018 13335 38638 - Withdrawn - aggregated with 27.123.9.0/24 (7018 13335 38638) 27.123.9.0/24 7018 13335 38638 - Withdrawn - aggregated with 27.123.8.0/24 (7018 13335 38638) 27.123.10.0/24 7018 13335 38638 - Withdrawn - aggregated with 27.123.11.0/24 (7018 13335 38638) 27.123.11.0/24 7018 13335 38638 - Withdrawn - aggregated with 27.123.10.0/24 (7018 13335 38638) 27.123.12.0/24 7018 13335 38638 - Withdrawn - aggregated with 27.123.13.0/24 (7018 13335 38638) 27.123.13.0/24 7018 13335 38638 - Withdrawn - aggregated with 27.123.12.0/24 (7018 13335 38638) 27.123.14.0/24 7018 13335 38638 - Withdrawn - aggregated with 27.123.15.0/24 (7018 13335 38638) 27.123.15.0/24 7018 13335 38638 - Withdrawn - aggregated with 27.123.14.0/24 (7018 13335 38638) 45.207.173.0/24 293 3491 38638 103.7.236.0/22 7018 13335 38638 + Announce - aggregate of 103.7.236.0/23 (7018 13335 38638) and 103.7.238.0/23 (7018 13335 38638) 103.7.236.0/24 7018 13335 38638 - Withdrawn - aggregated with 103.7.237.0/24 (7018 13335 38638) 103.7.237.0/24 7018 13335 38638 - Withdrawn - aggregated with 103.7.236.0/24 (7018 13335 38638) 103.7.238.0/24 7018 13335 38638 - Withdrawn - aggregated with 103.7.239.0/24 (7018 13335 38638) 103.7.239.0/24 7018 13335 38638 - Withdrawn - aggregated with 103.7.238.0/24 (7018 13335 38638) 111.92.244.0/22 7018 13335 38638 + Announce - aggregate of 111.92.244.0/23 (7018 13335 38638) and 111.92.246.0/23 (7018 13335 38638) 111.92.244.0/24 7018 13335 38638 - Withdrawn - aggregated with 111.92.245.0/24 (7018 13335 38638) 111.92.245.0/24 7018 13335 38638 - Withdrawn - aggregated with 111.92.244.0/24 (7018 13335 38638) 111.92.246.0/24 7018 13335 38638 - Withdrawn - aggregated with 111.92.247.0/24 (7018 13335 38638) 111.92.247.0/24 7018 13335 38638 - Withdrawn - aggregated with 111.92.246.0/24 (7018 13335 38638) 154.83.20.0/24 293 3491 38638 154.83.21.0/24 2497 38638 154.91.168.0/23 293 3491 38638 + Announce - aggregate of 154.91.168.0/24 (293 3491 38638) and 154.91.169.0/24 (293 3491 38638) 154.91.168.0/24 293 3491 38638 - Withdrawn - aggregated with 154.91.169.0/24 (293 3491 38638) 154.91.169.0/24 293 3491 38638 - Withdrawn - aggregated with 154.91.168.0/24 (293 3491 38638) 154.194.51.0/24 293 3491 38638 154.215.1.0/24 293 3491 38638 182.23.208.0/23 7018 13335 38638 + Announce - aggregate of 182.23.208.0/24 (7018 13335 38638) and 182.23.209.0/24 (7018 13335 38638) 182.23.208.0/24 7018 13335 38638 - Withdrawn - aggregated with 182.23.209.0/24 (7018 13335 38638) 182.23.209.0/24 7018 13335 38638 - Withdrawn - aggregated with 182.23.208.0/24 (7018 13335 38638) 182.23.211.0/24 2914 17676 38638
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS38638 24 More Specifics 24 Total Advertisements IP-CORE Ip Core Corporation, JP
27.123.8.0/24 27.123.8.0/21
27.123.9.0/24 27.123.8.0/21
27.123.10.0/24 27.123.8.0/21
27.123.11.0/24 27.123.8.0/21
27.123.12.0/24 27.123.8.0/21
27.123.13.0/24 27.123.8.0/21
27.123.14.0/24 27.123.8.0/21
27.123.15.0/24 27.123.8.0/21
103.7.236.0/24 103.7.236.0/22
103.7.237.0/24 103.7.236.0/22
103.7.238.0/24 103.7.236.0/22
103.7.239.0/24 103.7.236.0/22
111.92.244.0/24 111.92.244.0/22
111.92.245.0/24 111.92.244.0/22
111.92.246.0/24 111.92.244.0/22
111.92.247.0/24 111.92.244.0/22
154.83.20.0/24 154.80.0.0/12
154.83.21.0/24 154.80.0.0/12
154.91.168.0/24 154.80.0.0/12
154.91.169.0/24 154.80.0.0/12
182.23.208.0/24 182.23.208.0/22
182.23.209.0/24 182.23.208.0/22
182.23.210.0/24 182.23.208.0/22
182.23.211.0/24 182.23.208.0/22
45.207.173.0/24 45.192.0.0/12
154.194.51.0/24 154.192.0.0/11
154.215.1.0/24 154.192.0.0/11
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 45.207.173.0/24 Withdrawn
- 154.194.51.0/24 Withdrawn
- 154.215.1.0/24 Withdrawn
whois: 402590
IANA has recorded AS38638 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS38638\n % [whois.apnic.net]
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% Information related to 'AS37888 - AS38911'
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% Information related to 'AS38627 - AS38656'
as-block: AS38627 - AS38656
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: 2009-11-19T01:11:45Z
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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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last-modified: 2022-01-05T03:04:02Z
source: APNIC
% Information related to 'AS38638'
aut-num: AS38638
as-name: IP-CORE
descr: Ip Core Corporation
import:
export:
country: JP
admin-c: AT5054JP
tech-c: AT5054JP
last-modified: 2008-06-02T21:21:53Z
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% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)