18422 ITRINET-AS-TW Industrial Technology Research Institute, TW
Adjacency: 5 Upstream: 5 Downstream: 0
Upstream Adjacent AS list
AS6939 HURRICANE - Hurricane Electric LLC, US
AS17408 ABOVE-AS-AP AboveNet Communications Taiwan, TW
AS4780 SEEDNET Digital United Inc., TW
AS7539 TWAREN-TW National Center for High-performance Computing, TW
AS9924 TFN-TW Taiwan Fixed Network, Telco and Network Service Provider., TW
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 1005 AS18422 ORIGIN Originate: 282112 /13.89 Transit: 0 /0.00 ITRINET-AS-TW Industrial Technology Research Institute, TW
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 % 3526 AS18422 ITRINET-AS-TW Industrial Technology Research 33 24 9 18 15 45.45% Prefix AS Path Aggregation Suggestion 61.61.240.0/20 4777 17408 18422 61.61.240.0/21 4777 2500 7660 9264 7539 18422 61.61.240.0/21 4777 17408 18422 + Announce - aggregate of 61.61.240.0/22 (4777 17408 18422) and 61.61.244.0/22 (4777 17408 18422) 61.61.240.0/22 4777 17408 18422 - Withdrawn - aggregated with 61.61.244.0/22 (4777 17408 18422) 61.61.242.0/24 4777 2497 4780 18422 61.61.244.0/22 4777 17408 18422 - Withdrawn - aggregated with 61.61.240.0/22 (4777 17408 18422) 61.61.244.0/24 4777 2516 3491 9924 18422 61.61.248.0/21 4777 2500 7660 9264 7539 18422 61.61.248.0/21 4777 17408 18422 + Announce - aggregate of 61.61.248.0/22 (4777 17408 18422) and 61.61.252.0/22 (4777 17408 18422) 61.61.248.0/22 4777 17408 18422 - Withdrawn - aggregated with 61.61.252.0/22 (4777 17408 18422) 61.61.252.0/22 4777 17408 18422 - Withdrawn - aggregated with 61.61.248.0/22 (4777 17408 18422) 140.96.0.0/16 4777 2516 3491 9924 18422 140.96.0.0/16 4777 17408 18422 + Announce - aggregate of 140.96.0.0/17 (4777 17408 18422) and 140.96.128.0/17 (4777 17408 18422) 140.96.0.0/17 4777 17408 18422 - Withdrawn - aggregated with 140.96.128.0/17 (4777 17408 18422) 140.96.0.0/18 4777 17408 18422 - Withdrawn - matching aggregate 140.96.0.0/17 4777 17408 18422 140.96.0.0/18 4777 2497 4780 18422 + Announce - aggregate of 140.96.0.0/19 (4777 2497 4780 18422) and 140.96.32.0/19 (4777 2497 4780 18422) 140.96.0.0/19 4777 2497 4780 18422 - Withdrawn - aggregated with 140.96.32.0/19 (4777 2497 4780 18422) 140.96.32.0/19 4777 2497 4780 18422 - Withdrawn - aggregated with 140.96.0.0/19 (4777 2497 4780 18422) 140.96.64.0/18 4777 17408 18422 - Withdrawn - matching aggregate 140.96.0.0/17 4777 17408 18422 140.96.64.0/18 4608 4826 6939 18422 + Announce - aggregate of 140.96.64.0/19 (4608 4826 6939 18422) and 140.96.96.0/19 (4608 4826 6939 18422) 140.96.64.0/19 4608 4826 6939 18422 - Withdrawn - aggregated with 140.96.96.0/19 (4608 4826 6939 18422) 140.96.96.0/19 4608 4826 6939 18422 - Withdrawn - aggregated with 140.96.64.0/19 (4608 4826 6939 18422) 140.96.128.0/17 4777 17408 18422 - Withdrawn - aggregated with 140.96.0.0/17 (4777 17408 18422) 140.96.128.0/18 4777 17408 18422 - Withdrawn - matching aggregate 140.96.128.0/17 4777 17408 18422 140.96.128.0/17 4608 4826 6939 18422 + Announce - aggregate of 140.96.128.0/18 (4608 4826 6939 18422) and 140.96.192.0/18 (4608 4826 6939 18422) 140.96.128.0/19 4608 4826 6939 18422 - Withdrawn - aggregated with 140.96.160.0/19 (4608 4826 6939 18422) 140.96.160.0/19 4608 4826 6939 18422 - Withdrawn - aggregated with 140.96.128.0/19 (4608 4826 6939 18422) 140.96.170.0/23 4777 17408 18422 140.96.170.0/23 4608 4826 6939 18422 + Announce - aggregate of 140.96.170.0/24 (4608 4826 6939 18422) and 140.96.171.0/24 (4608 4826 6939 18422) 140.96.170.0/24 4608 4826 6939 18422 - Withdrawn - aggregated with 140.96.171.0/24 (4608 4826 6939 18422) 140.96.171.0/24 4608 4826 6939 18422 - Withdrawn - aggregated with 140.96.170.0/24 (4608 4826 6939 18422) 140.96.172.0/22 4777 17408 18422 140.96.172.0/22 4608 4826 6939 18422 + Announce - aggregate of 140.96.172.0/23 (4608 4826 6939 18422) and 140.96.174.0/23 (4608 4826 6939 18422) 140.96.172.0/23 4608 4826 6939 18422 - Withdrawn - aggregated with 140.96.174.0/23 (4608 4826 6939 18422) 140.96.174.0/23 4608 4826 6939 18422 - Withdrawn - aggregated with 140.96.172.0/23 (4608 4826 6939 18422) 140.96.176.0/21 4777 17408 18422 140.96.176.0/21 4608 4826 6939 18422 + Announce - aggregate of 140.96.176.0/22 (4608 4826 6939 18422) and 140.96.180.0/22 (4608 4826 6939 18422) 140.96.176.0/22 4608 4826 6939 18422 - Withdrawn - aggregated with 140.96.180.0/22 (4608 4826 6939 18422) 140.96.180.0/22 4608 4826 6939 18422 - Withdrawn - aggregated with 140.96.176.0/22 (4608 4826 6939 18422) 140.96.192.0/18 4777 17408 18422 - Withdrawn - matching aggregate 140.96.128.0/17 4777 17408 18422 140.96.192.0/19 4608 4826 6939 18422 - Withdrawn - aggregated with 140.96.224.0/19 (4608 4826 6939 18422) 140.96.224.0/19 4608 4826 6939 18422 - Withdrawn - aggregated with 140.96.192.0/19 (4608 4826 6939 18422)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS18422 32 More Specifics 33 Total Advertisements ITRINET-AS-TW Industrial Technology Research Institute, TW
61.61.240.0/20 61.61.192.0/18
61.61.240.0/21 61.61.192.0/18
61.61.240.0/22 61.61.192.0/18
61.61.242.0/24 61.61.192.0/18
61.61.244.0/22 61.61.192.0/18
61.61.244.0/24 61.61.192.0/18
61.61.248.0/21 61.61.192.0/18
61.61.248.0/22 61.61.192.0/18
61.61.252.0/22 61.61.192.0/18
140.96.0.0/17 140.96.0.0/16
140.96.0.0/18 140.96.0.0/16
140.96.0.0/19 140.96.0.0/16
140.96.32.0/19 140.96.0.0/16
140.96.64.0/18 140.96.0.0/16
140.96.64.0/19 140.96.0.0/16
140.96.96.0/19 140.96.0.0/16
140.96.128.0/17 140.96.0.0/16
140.96.128.0/18 140.96.0.0/16
140.96.128.0/19 140.96.0.0/16
140.96.160.0/19 140.96.0.0/16
140.96.170.0/23 140.96.0.0/16
140.96.170.0/24 140.96.0.0/16
140.96.171.0/24 140.96.0.0/16
140.96.172.0/22 140.96.0.0/16
140.96.172.0/23 140.96.0.0/16
140.96.174.0/23 140.96.0.0/16
140.96.176.0/21 140.96.0.0/16
140.96.176.0/22 140.96.0.0/16
140.96.180.0/22 140.96.0.0/16
140.96.192.0/18 140.96.0.0/16
140.96.192.0/19 140.96.0.0/16
140.96.224.0/19 140.96.0.0/16
whois: 402332
IANA has recorded AS18422 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS18422\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 'AS18410 - AS18429'
as-block: AS18410 - AS18429
descr: TWNIC-TW-AS-BLOCK8
remarks: These AS numbers are further assigned by TWNIC
remarks: to TWNIC members
admin-c: TWA2-AP
tech-c: TWA2-AP
mnt-by: MAINT-TW-TWNIC
mnt-lower: MAINT-TW-TWNIC
last-modified: 2008-09-04T06:40:26Z
source: APNIC
role: TWNIC Whois Administrator
address: Taiwan Network Information Center
address: 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist.,
address: Taipei, Taiwan, 105
country: TW
phone: +886-2-25289696
fax-no: +886-2-25287756
e-mail: hostmaster@twnic.net.tw
admin-c: ck373-AP
tech-c: TW922-AP
tech-c: NS10-AP
nic-hdl: TWA2-AP
notify: hostmaster@twnic.net.tw
mnt-by: MAINT-TW-TWNIC
last-modified: 2020-01-02T03:54:20Z
source: APNIC
% Information related to 'AS18422'
% Abuse contact for 'AS18422' is 'jesselin@itri.org.tw'
aut-num: AS18422
as-name: ITRINET-AS-TW
descr: Industrial Technology Research Institute
descr: 195 Sec 4, Chung-Hsing Rd
descr: CHUTUNG Taiwan 310
country: TW
import: from AS4780 action pref=100; accept ANY
import: from AS9505 action pref=100; accept ANY
export: to AS4780 announce AS18422
export: to AS9505 announce AS18422
default: to AS4780 action pref=10; networks ANY
admin-c: JC79-AP
tech-c: SL547-AP
abuse-c: AT939-AP
mnt-by: MAINT-TW-TWNIC
mnt-irt: IRT-ITRINET-TW
last-modified: 2025-11-06T09:26:11Z
source: APNIC
irt: IRT-ITRINET-TW
address: Industrial Technology Research Institute
address: No. 195, Sec. 4, Chung Hsing Rd.
address: Chutung, Hsinchu, Taiwan 310
e-mail: jesselin@itri.org.tw
abuse-mailbox: jesselin@itri.org.tw
admin-c: JC79-AP
tech-c: SL547-AP
auth: # Filtered
remarks: jesselin@itri.org.tw was validated on 2023-02-15
mnt-by: MAINT-TW-TWNIC
last-modified: 2025-11-06T07:21:53Z
source: APNIC
role: ABUSE TWNICAP
country: ZZ
address: 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
phone: +000000000
e-mail: hostmaster@twnic.tw
admin-c: TWA2-AP
tech-c: TWA2-AP
nic-hdl: AT939-AP
remarks: Generated from irt object IRT-TWNIC-AP
remarks: hostmaster@twnic.tw was validated on 2025-05-23
abuse-mailbox: hostmaster@twnic.tw
mnt-by: APNIC-ABUSE
last-modified: 2025-05-23T00:02:10Z
source: APNIC
person: Johnson C.S
address: .dustrial Technelogy Research Institute
address: room213,bldg51,195 sec 4 chung Hsing rd chutung
address: Taiwan
country: TW
phone: +886-3-591-755
fax-no: +886-3-591-755
e-mail: cmwu@itri.org.tw
nic-hdl: JC79-AP
mnt-by: maint-tw-twnic
last-modified: 2008-09-04T07:29:23Z
source: APNIC
person: Shih-Chieh LIN
address: Industrial Technology Research Institute
address: 195 Sec 4, Chung-Hsing Rd
address: CHUTUNG Taiwan
country: TW
phone: +886-3-591-2992
fax-no: +886-3-582-6106
e-mail: jesselin@itri.org.tw
nic-hdl: SL547-AP
mnt-by: maint-tw-twnic
last-modified: 2008-09-04T07:29:23Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)