17931 NETFOREST Netforest,Inc., JP
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS2519 VECTANT ARTERIA Networks Corporation, JP
AS2497 IIJ Internet Initiative Japan Inc., JP
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 6799 AS17931 ORIGIN Originate: 20480 /17.68 Transit: 0 /0.00 NETFOREST Netforest,Inc., 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 % 16101 AS17931 NETFOREST Netforest,Inc., JP 9 3 1 7 2 22.22% Prefix AS Path Aggregation Suggestion 103.238.236.0/22 4777 2497 17931 202.165.160.0/20 4777 2497 17931 203.153.64.0/20 4777 2497 17931 + Announce - aggregate of 203.153.64.0/21 (4777 2497 17931) and 203.153.72.0/21 (4777 2497 17931) 203.153.64.0/22 4777 2497 17931 - Withdrawn - aggregated with 203.153.68.0/22 (4777 2497 17931) 203.153.68.0/22 4777 2497 17931 - Withdrawn - aggregated with 203.153.64.0/22 (4777 2497 17931) 203.153.72.0/21 4777 2497 17931 - Withdrawn - aggregated with 203.153.64.0/21 (4777 2497 17931) 203.191.136.0/21 4777 2497 17931 211.19.48.0/20 4777 2497 17931 218.45.16.0/20 4777 2497 17931 219.100.160.0/22 4777 2497 17931
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS17931 6 More Specifics 9 Total Advertisements NETFOREST Netforest,Inc., JP
203.153.64.0/22 203.153.64.0/20
203.153.68.0/22 203.153.64.0/20
203.153.72.0/21 203.153.64.0/20
211.19.48.0/20 211.16.0.0/14
218.45.16.0/20 218.40.0.0/13
219.100.160.0/22 219.96.0.0/11
whois: 402332
IANA has recorded AS17931 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS17931\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 'AS17930 - AS17961'
as-block: AS17930 - AS17961
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: 2017-06-12T04:00:32Z
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 'AS17931'
% Abuse contact for 'AS17931' is 'hostmaster@nic.ad.jp'
aut-num: AS17931
as-name: NETFOREST
descr: Netforest,Inc
descr: Yokohama Creation Square 2F,
descr: 5-1 Sakae-cho, Kanagawa-ku, Yokohama,
descr: Kanagawa 221-0052, Japan
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Email address for spam or abuse complaints : nic-db@netforest.ad.jp
country: JP
mnt-by: MAINT-JPNIC
mnt-lower: MAINT-JPNIC
mnt-irt: IRT-JPNIC-JP
last-modified: 2024-08-22T23:27:10Z
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 'AS17931'
aut-num: AS17931
as-name: NETFOREST
descr: Netforest,Inc.
import: from AS7529 100 accept ANY
import: from AS9370 100 accept ANY
import: from AS9371 100 accept ANY
import: from AS17678 100 accept AS17678
import: from AS17948 100 accept AS17948
export: to AS7529 announce AS17931
export: to AS9370 announce AS17931
export: to AS9371 announce AS17931
export: to AS17678 announce AS17931
export: to AS17948 announce AS17931
country: JP
admin-c: YT163JP
tech-c: KK9636JP
last-modified: 2003-08-21T20:13:15Z
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 1.88.47 (WHOIS-AU4)