23675 TSMCGDN-AS-AP Taiwan Semiconductor Manufactoring Company, Ltd., TW
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS13335 CLOUDFLARENET - Cloudflare, Inc., US
AS4780 SEEDNET Digital United Inc., TW
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 15558 AS23675 ORIGIN Originate: 4864 /19.75 Transit: 0 /0.00 TSMCGDN-AS-AP Taiwan Semiconductor Manufactoring Company, Ltd., 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 % 4596 AS23675 TSMCGDN-AS-AP Taiwan Semiconductor Manufactor 19 14 3 8 11 57.89% Prefix AS Path Aggregation Suggestion 106.105.110.0/24 4777 2497 4780 23675 202.126.64.0/21 4777 13335 23675 + Announce - aggregate of 202.126.64.0/22 (4777 13335 23675) and 202.126.68.0/22 (4777 13335 23675) 202.126.64.0/24 4777 13335 23675 - Withdrawn - aggregated with 202.126.65.0/24 (4777 13335 23675) 202.126.65.0/24 4777 13335 23675 - Withdrawn - aggregated with 202.126.64.0/24 (4777 13335 23675) 202.126.66.0/24 4777 13335 23675 - Withdrawn - aggregated with 202.126.67.0/24 (4777 13335 23675) 202.126.67.0/24 4777 13335 23675 - Withdrawn - aggregated with 202.126.66.0/24 (4777 13335 23675) 202.126.68.0/24 4777 13335 23675 - Withdrawn - aggregated with 202.126.69.0/24 (4777 13335 23675) 202.126.69.0/24 4777 13335 23675 - Withdrawn - aggregated with 202.126.68.0/24 (4777 13335 23675) 202.126.70.0/24 4777 13335 23675 - Withdrawn - aggregated with 202.126.71.0/24 (4777 13335 23675) 202.126.71.0/24 4777 13335 23675 - Withdrawn - aggregated with 202.126.70.0/24 (4777 13335 23675) 202.126.72.0/22 4777 13335 23675 + Announce - aggregate of 202.126.72.0/23 (4777 13335 23675) and 202.126.74.0/23 (4777 13335 23675) 202.126.72.0/24 4777 13335 23675 - Withdrawn - aggregated with 202.126.73.0/24 (4777 13335 23675) 202.126.73.0/24 4777 13335 23675 - Withdrawn - aggregated with 202.126.72.0/24 (4777 13335 23675) 202.126.74.0/24 4777 13335 23675 - Withdrawn - aggregated with 202.126.75.0/24 (4777 13335 23675) 202.126.75.0/24 4777 13335 23675 - Withdrawn - aggregated with 202.126.74.0/24 (4777 13335 23675) 203.66.100.0/23 4777 13335 23675 + Announce - aggregate of 203.66.100.0/24 (4777 13335 23675) and 203.66.101.0/24 (4777 13335 23675) 203.66.100.0/24 4777 13335 23675 - Withdrawn - aggregated with 203.66.101.0/24 (4777 13335 23675) 203.66.101.0/24 4777 13335 23675 - Withdrawn - aggregated with 203.66.100.0/24 (4777 13335 23675) 203.66.102.0/24 4777 13335 23675 203.66.245.0/24 4777 13335 23675 208.70.204.0/24 4777 13335 23675 220.128.55.0/24 4777 13335 23675
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS23675 19 More Specifics 19 Total Advertisements TSMCGDN-AS-AP Taiwan Semiconductor Manufactoring Company, Ltd., TW
106.105.110.0/24 106.104.0.0/14
202.126.64.0/24 202.126.64.0/20
202.126.65.0/24 202.126.64.0/20
202.126.66.0/24 202.126.64.0/20
202.126.67.0/24 202.126.64.0/20
202.126.68.0/24 202.126.64.0/20
202.126.69.0/24 202.126.64.0/20
202.126.70.0/24 202.126.64.0/20
202.126.71.0/24 202.126.64.0/20
202.126.72.0/24 202.126.64.0/20
202.126.73.0/24 202.126.64.0/20
202.126.74.0/24 202.126.64.0/20
202.126.75.0/24 202.126.64.0/20
203.66.100.0/24 203.66.0.0/16
203.66.101.0/24 203.66.0.0/16
203.66.102.0/24 203.66.0.0/16
203.66.245.0/24 203.66.0.0/16
208.70.204.0/24 208.70.200.0/21
220.128.55.0/24 220.128.0.0/18
whois: 402332
IANA has recorded AS23675 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS23675\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
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 'AS23644 - AS23690'
as-block: AS23644 - AS23690
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: 2008-09-04T06:40:26Z
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 'AS23675'
% Abuse contact for 'AS23675' is 'dns_admin@tsmc.com'
aut-num: AS23675
as-name: TSMCGDN-AS-AP
descr: Taiwan Semiconductor Manufactoring Company, Ltd.
descr: Transit AS
descr: Global Data Network
descr: Hsin-Chu, Taiwan
country: TW
org: ORG-TSMC1-AP
import: from AS3462 action pref=50; accept ANY
import: from AS702 action pref=50; accept ANY
import: from AS4713 action pref=50; accept ANY
import: from AS6461 action pref=50; accept ANY
export: to AS3462 announce AS23675
export: to AS702 announce AS23675
export: to AS4713 announce AS23675
export: to AS6461 announce AS23675
default: to AS6461 action pref=10; networks ANY
remarks: For routing problems with this ASN
remarks: please contact tech-c
remarks: For spam mail problems with this ASN
remarks: please contact lolo_tzeng@tsmc.com.tw
admin-c: LT898-AP
tech-c: LT898-AP
notify: lolo_tzeng@smc.com
mnt-by: MAINT-TW-TWNIC
mnt-lower: MAINT-TSMC
mnt-routes: MAINT-TSMC
mnt-irt: IRT-TSMC-TW
last-modified: 2018-10-03T12:17:42Z
source: APNIC
irt: IRT-TSMC-TW
address: 121, Park Ave. 3, Hsinchu Science Park, Hsinchu 300-77, Taiwan, R.O.C.
e-mail: dns_admin@tsmc.com
abuse-mailbox: dns_admin@tsmc.com
admin-c: WC16-AP
tech-c: WC16-AP
auth: # Filtered
mnt-by: MAINT-AP-ASIAINFRA
last-modified: 2025-11-18T00:29:30Z
source: APNIC
organisation: ORG-TSMC1-AP
org-name: Taiwan Semiconductor Manufacturing Company, Ltd.
org-type: LIR
country: TW
address: N0. 121, Park Ave 3
address: Hsinchu Science Park
phone: +886-3-5636688
e-mail: dns_admin@tsmc.com
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:14:53Z
source: APNIC
person: Lolo Tzeng
address: 121, Park Ave. 3, Hsinchu Science Park, Hsinchu City
country: TW
phone: +886-3-5636688
e-mail: lolo_tzeng@tsmc.com
nic-hdl: LT898-AP
mnt-by: MAINT-TSMC
last-modified: 2018-08-27T05:53:19Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)