ASN Lookup Tool

Extra Lan Technologies Co., LTD twnic.net.tw TW TW 51 Routes

AS Data

AS18429

AS18429 – Extra Lan Technologies Co., LTD

AS Number 18429
AS Name EXTRALAN-TW
Organization Extra Lan Technologies Co., LTD (EXTRALAN-TW)
Country TW
Website twnic.net.tw
Number of IPv4 Routes 48
Number of IPv6 Routes 3
ASN type ISP
Registry APNIC
Date Allocated N/A

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IP Ranges

Route # IPs
27.147.44.0/22 1024
123.50.58.0/24 256
61.57.128.0/22 1024
123.50.44.0/22 1024
61.57.136.0/21 2048
123.50.48.0/21 2048
27.147.48.0/21 2048
123.50.40.0/21 2048
61.57.144.0/22 1024
27.147.24.0/21 2048

Raw Whois Response

% [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-UK2)



#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       18187 - 18431
ASName:         APNIC-ASBLOCK-17915
ASHandle:       AS18187
RegDate:        2002-09-11
Updated:        2024-09-25
Comment:        These AS numbers are not registered in the ARIN database.
Comment:        For details, refer to the APNIC Whois Database via
Comment:        WHOIS.APNIC.NET or http://wq.apnic.net/apnic-bin/whois.pl
Ref:            https://rdap.arin.net/registry/autnum/18187

ResourceLink:  https://apps.db.ripe.net/db-web-ui/query
ResourceLink:  whois.apnic.net


OrgName:        Asia Pacific Network Information Centre
OrgId:          APNIC
Address:        PO Box 3646
City:           South Brisbane
StateProv:      QLD
PostalCode:     4101
Country:        AU
RegDate:        
Updated:        2012-01-24
Ref:            https://rdap.arin.net/registry/entity/APNIC

ReferralServer:  whois://whois.apnic.net
ResourceLink:  http://wq.apnic.net/whois-search/static/search.html

OrgAbuseHandle: AWC12-ARIN
OrgAbuseName:   APNIC Whois Contact
OrgAbusePhone:  +61 7 3858 3188 
OrgAbuseEmail:  search-apnic-not-arin@apnic.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN

OrgTechHandle: AWC12-ARIN
OrgTechName:   APNIC Whois Contact
OrgTechPhone:  +61 7 3858 3188 
OrgTechEmail:  search-apnic-not-arin@apnic.net
OrgTechRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

% [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-US2)

Parsed Whois Response

Peers

AS Number Description Country
AS9919 New Century InfoComm Tech Co., Ltd. TW
AS9924 Taiwan Fixed Network, Telco and Network Service Provider. TW

Upstreams

AS Number Description Country
AS9924 Taiwan Fixed Network, Telco and Network Service Provider. TW

Contacts

Email Contacts

hostmaster@twnic.tw alex@fttx.tw joseph@extra-lan.com.tw hostmaster@twnic.net.tw

Abuse Contacts

alex@fttx.tw

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Frequently Asked Questions

ASN AS18429 is an Autonomous System Number used to identify a network for BGP internet routing.
AS18429 is listed under Extra Lan Technologies Co., LTD.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.