
18429 EXTRALAN-TW Extra-Lan Technologies Co., LTD, TW
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS9924 TFN-TW Taiwan Fixed Network, Telco and Network Service Provider., TW
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4123 AS18429 ORIGIN Originate: 56320 /16.22 Transit: 0 /0.00 EXTRALAN-TW Extra-Lan Technologies Co., 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 % 1618 AS18429 EXTRALAN-TW Extra-Lan Technologies Co., LTD, 46 40 5 11 35 76.09% Prefix AS Path Aggregation Suggestion 27.147.0.0/20 4777 9924 9924 9924 9924 18429 + Announce - aggregate of 27.147.0.0/21 (4777 9924 9924 9924 9924 18429) and 27.147.8.0/21 (4777 9924 9924 9924 9924 18429) 27.147.0.0/21 4777 9924 9924 9924 9924 18429 - Withdrawn - aggregated with 27.147.8.0/21 (4777 9924 9924 9924 9924 18429) 27.147.8.0/21 4777 9924 9924 9924 9924 18429 - Withdrawn - aggregated with 27.147.0.0/21 (4777 9924 9924 9924 9924 18429) 27.147.8.0/22 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 27.147.8.0/21 4777 9924 9924 9924 9924 18429 27.147.16.0/21 4777 9924 9924 9924 9924 18429 27.147.24.0/21 4777 2516 2914 9924 18429 27.147.32.0/19 4777 9924 9924 9924 9924 18429 + Announce - aggregate of 27.147.32.0/20 (4777 9924 9924 9924 9924 18429) and 27.147.48.0/20 (4777 9924 9924 9924 9924 18429) 27.147.32.0/21 4777 9924 9924 9924 9924 18429 - Withdrawn - aggregated with 27.147.40.0/21 (4777 9924 9924 9924 9924 18429) 27.147.40.0/21 4777 9924 9924 9924 9924 18429 - Withdrawn - aggregated with 27.147.32.0/21 (4777 9924 9924 9924 9924 18429) 27.147.44.0/22 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 27.147.40.0/21 4777 9924 9924 9924 9924 18429 27.147.48.0/21 4777 9924 9924 9924 9924 18429 - Withdrawn - aggregated with 27.147.56.0/21 (4777 9924 9924 9924 9924 18429) 27.147.56.0/21 4777 9924 9924 9924 9924 18429 - Withdrawn - aggregated with 27.147.48.0/21 (4777 9924 9924 9924 9924 18429) 27.147.60.0/22 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 27.147.56.0/21 4777 9924 9924 9924 9924 18429 45.64.232.0/22 4777 9924 9924 9924 9924 18429 61.57.128.0/19 4777 9924 9924 9924 9924 18429 + Announce - aggregate of 61.57.128.0/20 (4777 9924 9924 9924 9924 18429) and 61.57.144.0/20 (4777 9924 9924 9924 9924 18429) 61.57.128.0/21 4777 9924 9924 9924 9924 18429 - Withdrawn - aggregated with 61.57.136.0/21 (4777 9924 9924 9924 9924 18429) 61.57.128.0/22 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 61.57.128.0/21 4777 9924 9924 9924 9924 18429 61.57.132.0/23 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 61.57.128.0/21 4777 9924 9924 9924 9924 18429 61.57.134.0/23 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 61.57.128.0/21 4777 9924 9924 9924 9924 18429 61.57.136.0/21 4777 9924 9924 9924 9924 18429 - Withdrawn - aggregated with 61.57.128.0/21 (4777 9924 9924 9924 9924 18429) 61.57.140.0/23 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 61.57.136.0/21 4777 9924 9924 9924 9924 18429 61.57.142.0/23 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 61.57.136.0/21 4777 9924 9924 9924 9924 18429 61.57.144.0/21 4777 9924 9924 9924 9924 18429 - Withdrawn - aggregated with 61.57.152.0/21 (4777 9924 9924 9924 9924 18429) 61.57.144.0/22 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 61.57.144.0/21 4777 9924 9924 9924 9924 18429 61.57.148.0/24 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 61.57.144.0/21 4777 9924 9924 9924 9924 18429 61.57.149.0/24 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 61.57.144.0/21 4777 9924 9924 9924 9924 18429 61.57.150.0/23 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 61.57.144.0/21 4777 9924 9924 9924 9924 18429 61.57.152.0/22 4777 9924 9924 9924 9924 18429 - Withdrawn - aggregated with 61.57.156.0/22 (4777 9924 9924 9924 9924 18429) 61.57.156.0/22 4777 9924 9924 9924 9924 18429 - Withdrawn - aggregated with 61.57.152.0/22 (4777 9924 9924 9924 9924 18429) 103.224.200.0/22 4777 9924 9924 9924 9924 18429 123.50.32.0/19 4777 9924 9924 9924 9924 18429 + Announce - aggregate of 123.50.32.0/20 (4777 9924 9924 9924 9924 18429) and 123.50.48.0/20 (4777 9924 9924 9924 9924 18429) 123.50.32.0/21 4777 9924 9924 9924 9924 18429 - Withdrawn - aggregated with 123.50.40.0/21 (4777 9924 9924 9924 9924 18429) 123.50.40.0/21 4777 9924 9924 9924 9924 18429 - Withdrawn - aggregated with 123.50.32.0/21 (4777 9924 9924 9924 9924 18429) 123.50.44.0/22 4777 2516 2914 9924 18429 123.50.48.0/21 4777 9924 9924 9924 9924 18429 - Withdrawn - aggregated with 123.50.56.0/21 (4777 9924 9924 9924 9924 18429) 123.50.56.0/21 4777 9924 9924 9924 9924 18429 - Withdrawn - aggregated with 123.50.48.0/21 (4777 9924 9924 9924 9924 18429) 123.50.56.0/23 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 123.50.56.0/21 4777 9924 9924 9924 9924 18429 123.50.58.0/24 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 123.50.56.0/21 4777 9924 9924 9924 9924 18429 123.50.59.0/24 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 123.50.56.0/21 4777 9924 9924 9924 9924 18429 123.50.60.0/24 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 123.50.56.0/21 4777 9924 9924 9924 9924 18429 123.50.61.0/24 4777 2497 3491 9924 18429 123.50.62.0/23 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 123.50.56.0/21 4777 9924 9924 9924 9924 18429 124.155.160.0/19 4777 9924 9924 9924 9924 18429 + Announce - aggregate of 124.155.160.0/20 (4777 9924 9924 9924 9924 18429) and 124.155.176.0/20 (4777 9924 9924 9924 9924 18429) 124.155.160.0/21 4777 9924 9924 9924 9924 18429 - Withdrawn - aggregated with 124.155.168.0/21 (4777 9924 9924 9924 9924 18429) 124.155.168.0/21 4777 9924 9924 9924 9924 18429 - Withdrawn - aggregated with 124.155.160.0/21 (4777 9924 9924 9924 9924 18429) 124.155.168.0/23 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 124.155.168.0/21 4777 9924 9924 9924 9924 18429 124.155.170.0/23 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 124.155.168.0/21 4777 9924 9924 9924 9924 18429 124.155.172.0/23 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 124.155.168.0/21 4777 9924 9924 9924 9924 18429 124.155.174.0/23 4777 9924 9924 9924 9924 18429 - Withdrawn - matching aggregate 124.155.168.0/21 4777 9924 9924 9924 9924 18429 124.155.176.0/21 4777 9924 9924 9924 9924 18429 - Withdrawn - aggregated with 124.155.184.0/21 (4777 9924 9924 9924 9924 18429) 124.155.184.0/21 4777 9924 9924 9924 9924 18429 - Withdrawn - aggregated with 124.155.176.0/21 (4777 9924 9924 9924 9924 18429)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS18429 44 More Specifics 46 Total Advertisements EXTRALAN-TW Extra-Lan Technologies Co., LTD, TW
27.147.0.0/21 27.147.0.0/18
27.147.8.0/21 27.147.0.0/18
27.147.8.0/22 27.147.0.0/18
27.147.16.0/21 27.147.0.0/18
27.147.24.0/21 27.147.0.0/18
27.147.32.0/21 27.147.0.0/18
27.147.40.0/21 27.147.0.0/18
27.147.44.0/22 27.147.0.0/18
27.147.48.0/21 27.147.0.0/18
27.147.56.0/21 27.147.0.0/18
27.147.60.0/22 27.147.0.0/18
61.57.128.0/21 61.57.0.0/16
61.57.128.0/22 61.57.0.0/16
61.57.132.0/23 61.57.0.0/16
61.57.134.0/23 61.57.0.0/16
61.57.136.0/21 61.57.0.0/16
61.57.140.0/23 61.57.0.0/16
61.57.142.0/23 61.57.0.0/16
61.57.144.0/21 61.57.0.0/16
61.57.144.0/22 61.57.0.0/16
61.57.148.0/24 61.57.0.0/16
61.57.149.0/24 61.57.0.0/16
61.57.150.0/23 61.57.0.0/16
61.57.152.0/22 61.57.0.0/16
61.57.156.0/22 61.57.0.0/16
123.50.32.0/21 123.50.32.0/19
123.50.40.0/21 123.50.32.0/19
123.50.44.0/22 123.50.32.0/19
123.50.48.0/21 123.50.32.0/19
123.50.56.0/21 123.50.32.0/19
123.50.56.0/23 123.50.32.0/19
123.50.58.0/24 123.50.32.0/19
123.50.59.0/24 123.50.32.0/19
123.50.60.0/24 123.50.32.0/19
123.50.61.0/24 123.50.32.0/19
123.50.62.0/23 123.50.32.0/19
124.155.160.0/21 124.155.160.0/19
124.155.168.0/21 124.155.160.0/19
124.155.168.0/23 124.155.160.0/19
124.155.170.0/23 124.155.160.0/19
124.155.172.0/23 124.155.160.0/19
124.155.174.0/23 124.155.160.0/19
124.155.176.0/21 124.155.160.0/19
124.155.184.0/21 124.155.160.0/19
whois: 402332
IANA has recorded AS18429 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS18429\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 'AS18429'
% Abuse contact for 'AS18429' is 'alex@fttx.tw'
aut-num: AS18429
as-name: EXTRALAN-TW
descr: Extra-Lan Technologies Co., LTD
descr: 2Fl., No. 311, Sec. 1, Beishin Rd., Shindian City
descr: Taipei Country Taiwan 231
country: TW
import: from AS9919 action pref=100; accept ANY
import: from AS9924 action pref=100; accept ANY
export: to AS9919 announce AS18429
export: to AS9924 announce AS18429
default: to AS9919 action pref=10; networks ANY
admin-c: SJ923-AP
tech-c: SJ923-AP
abuse-c: AT939-AP
mnt-by: MAINT-TW-TWNIC
mnt-irt: IRT-CGNET-TW
last-modified: 2025-11-06T09:26:30Z
source: APNIC
irt: IRT-CGNET-TW
address: CABLE GIANT CATV. CO., LTD.
address: 2F., No.311, Sec. 1, Beixin Rd., Xindian Dist.
address: New Taipei City
phone: +886-2-2917-3528 ext. 800
e-mail: alex@fttx.tw
abuse-mailbox: alex@fttx.tw
admin-c: TR300-AP
tech-c: TR300-AP
remarks: (oid:CGNET)
mnt-by: MAINT-TW-TWNIC
last-modified: 2025-11-06T07:13:26Z
source: APNIC
auth: # Filtered
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: Su Joseph
address: Extra-Lan Technologies Co., LTD
address: 2Fl., No. 311, Sec. 1, Beishin Rd., Shindian City
address: Taipei Taiwan
country: TW
phone: +886-2-2913-3528 ext 800
phone: +886-2-2913-3939
e-mail: joseph@extra-lan.com.tw
nic-hdl: SJ923-AP
mnt-by: MAINT-TW-TWNIC
last-modified: 2008-09-04T07:29:24Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)