AS Number
AS131630
AS Name
LAZCO
Org Name
Lazco Corporation
Country / Region
Taiwan
Registry

apnic

RegDate

Updated

2009-09-29T05:34:08Z

AS131630 Looking Glass
https://lg.lazco.tw
IPv4Prefixes

5

IPv6Prefixes

10

IPv4 NUMs

2,304

IPv6 NUMs(/64)

9,143,648,256

CIDR Description IP Num
103.51.88.0/23
IRR InValid
TECHDRIVEN Lazco Corporation 512
151.158.224.0/24
LAZCO-NET Lazco Corporation 256
151.158.224.0/23
LAZCO-NET admin-c: TR662-AP tech-c: TR662-AP abuse-c: TR662-AP mnt-irt: IRT-LAZCO-TW Lazco Corporation 512
160.30.99.0/24
IRR InValid
SIMPLE Lazco Corporation 256
162.4.236.0/23
DOWTEK-NET admin-c: TR672-AP tech-c: TR672-AP abuse-c: TR672-AP mnt-irt: IRT-DOWTEK-TW Dowtek Corporation 512
CIDR Description IP NUMs(prefix /64)
2402:4f20::/48
LAZCO-NET admin-c: TR662-AP tech-c: TR662-AP abuse-c: TR662-AP mnt-irt: IRT-LAZCO-TW Lazco Corporation 65536
2402:4f20::/32
LAZCO-NET admin-c: TR662-AP tech-c: TR662-AP abuse-c: TR662-AP mnt-irt: IRT-LAZCO-TW Lazco Corporation 4294967296
2402:4f20:1::/48
LAZCO-NET admin-c: TR662-AP tech-c: TR662-AP abuse-c: TR662-AP mnt-irt: IRT-LAZCO-TW Lazco Corporation 65536
2402:4f20:3::/48
LAZCO-NET admin-c: TR662-AP tech-c: TR662-AP abuse-c: TR662-AP mnt-irt: IRT-LAZCO-TW Lazco Corporation 65536
2402:4f20:4::/48
LAZCO-NET admin-c: TR662-AP tech-c: TR662-AP abuse-c: TR662-AP mnt-irt: IRT-LAZCO-TW Lazco Corporation 65536
2402:6420::/32
DOWTEK-NET admin-c: TR672-AP tech-c: TR672-AP abuse-c: TR672-AP mnt-irt: IRT-DOWTEK-TW Lazco Corporation 4294967296
2a0f:85c1:390::/48
IRR InValid
Lazco Corporation 65536
2a14:7580:6000::/36
Lazco Corporation 268435456
2a14:7580:8000::/36
IRR InValid
Lazco Corporation 268435456
2a14:7580:f300::/40
IRR InValid
Lazco Corporation 16777216
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 458,496 283,043,982,606,336 IPv4 IPv4 IPv6 IPv6
AS20473 AS-VULTR - The Constant Company, LLC, US United States 1,470,976 473,807,257,600 IPv4 IPv4 IPv6 IPv6
AS59105 HOMENOC - Home NOC Operators Group, JP Japan 2,048 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS204844 NCSE-NETWORK-Global - NCSE NETWORK LTD, GB United Kingdom 768 289,472,512 IPv4 IPv4 IPv6 IPv6
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 65,536 12,884,901,888 IPv4 IPv4 IPv6 IPv6
AS17408 ABOVE-AS-AP - AboveNet Communications Taiwan Co., Ltd, TW Taiwan 53,504 537,001,984 IPv4 IPv4 IPv6 IPv6
AS32595 LIBERALLY-INTERNATIONAL - Liberally Network, LLC, US United States 1,792 16,777,216 IPv4 IPv4 IPv6 IPv6
AS134823 SDCL-AS-AP - Sky Digital Co., Ltd., TW Taiwan 22,784 8,590,065,664 IPv4 IPv4 IPv6 IPv6
AS10133 TPIX-AS-TW - Chief Telecom Inc., TW Taiwan 0 0 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 140,800 77,423,378,434 IPv6 IPv6
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS214084 Bandi-Network - CHUN-HSIANG HSIEH, TW Taiwan 0 65,536 IPv6 IPv6
AS197537 WISDOM-CLOUD - WISDOM CLOUD INTERNET TECHNOLOGY PTE. LTD., SG Singapore 59,392 103,079,215,104 IPv4 IPv4
AS24381 BGPE-AS - Infininet Global Pty Ltd, AU Australia 0 983,040 IPv6 IPv6
AS131147 LiRun-AS - Taiwan Li Run Ltd., TW Taiwan 0 65,536 IPv6 IPv6
AS197000 RIPE-NCC-AUTHDNS-AS - Reseaux IP Europeens Network Coordination Centre (RIPE NCC), NL Netherlands 512 1,048,576 IPv6 IPv6
AS205592 Setsuna-Network - HUANG CHI-HAN, TW Taiwan 0 2,228,224 IPv6 IPv6
AS131651 LAZCO-VIP - Lazco Corporation, TW Taiwan 256 65,536 IPv4 IPv4 IPv6 IPv6
AS131610 DOWTEK-AS-TW - Dowtek Corporation, TW Taiwan 0 131,072 IPv6 IPv6
AS131624 DOWTEK-AS-TW - Dowtek Corporation, TW Taiwan 0 65,536 IPv6 IPv6
AS213428 Haco - CHIEH SHENG LIN, TW Taiwan 0 65,536 IPv6 IPv6

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
Taiwan TPIX-TW - Taipei Internet Exchange 203.163.223.100 2406:d400:1:133:203:163:223:100 1 Gbps 2026-03-21 04:04:10
Taiwan STUIX - Student & Technology United Internet Exchanges 103.158.187.154 2a0f:5707:ffe3::154 10 Gbps 2026-03-25 03:26:13
Taiwan NRIX - NiceRoute Internet Exchanges 40 Gbps 2026-07-29 06:13:39
Taiwan BGP.Exchange - Taipei - BGP.Exchange - Taipei 1 Gbps 2026-07-23 11:55:10

Private Peering Facilities

Country / Region Name City Website Updated
Chief HD Building Taipei Taipei http://www.chief.com.tw 2026-03-03 13:59:19

Whois Record

as-block AS131072 - AS132095

as-block
descr
APNIC 32-bit ASN block
remarks
These AS numbers are further assigned by APNIC
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
2009-09-29T05:34:08Z
source
APNIC

role APNIC Hostmaster

role
APNIC Hostmaster
address
PO Box 3646
South Brisbane
QLD 4101
country
AU
phone
+61 7 3858 3100
fax-no
+61 7 3858 3199
e-mail
admin-c
AMS11-AP
tech-c
AH256-AP
nic-hdl
HM20-AP
remarks
Administrator for APNIC
notify
mnt-by
MAINT-APNIC-AP
last-modified
2026-08-26T00:40:00Z
source
APNIC

as-block AS131584 - AS131639

as-block
descr
TWNIC-TW-4-byte-AS-BLOCK1
These AS numbers are further assigned by TWNIC
to TWNIC members
country
TW
admin-c
TWA2-AP
tech-c
TWA2-AP
mnt-by
MAINT-TW-TWNIC
mnt-lower
MAINT-TW-TWNIC
last-modified
2025-02-11T03:29:09Z
source
APNIC

role TWNIC Whois Administrator

role
TWNIC Whois Administrator
address
Taiwan Network Information Center
3F., No. 123, Sec. 4, Bade Rd., Songshan Dist.,
Taipei, Taiwan, 105
country
TW
phone
+886-2-25289696
fax-no
+886-2-25287756
e-mail
admin-c
ck373-AP
tech-c
TW922-AP
NS10-AP
nic-hdl
TWA2-AP
notify
mnt-by
MAINT-TW-TWNIC
last-modified
2020-01-02T03:54:20Z
source
APNIC

aut-num AS131630

aut-num
country
TW
as-name
LAZCO
admin-c
TR662-AP
tech-c
TR662-AP
abuse-c
TR662-AP
mnt-irt
IRT-LAZCO-TW
descr
Lazco Corporation
6F.-4, No. 26, Zhongshan Dist., Taipei City 104425, Taiwan (R.O.C.)
Taipei
default
to AS204844 action pref=100; networks AS131630:AS-LAZCO
to AS20473 action pref=50; networks AS131630:AS-LAZCO
to AS134823 action pref=90; networks AS131630:AS-LAZCO
to AS6939 action pref=50; networks AS131630:AS-LAZCO
to AS32595 action pref=200; networks AS131630:AS-LAZCO
export
to AS204844 announce AS131630:AS-LAZCO
to AS20473 announce AS131630:AS-LAZCO
to AS134823 announce AS131630:AS-LAZCO
to AS6939 announce AS131630:AS-LAZCO
to AS32595 announce AS131630:AS-LAZCO
import
from AS204844 action pref=100; accept ANY
from AS20473 action pref=50; accept ANY
from AS134823 action pref=90; accept ANY
from AS6939 action pref=50; accept ANY
from AS32595 action pref=200; accept ANY
remarks
=========================================
Geofeed https://cdn.lazco.tw/geofeed.csv
=========================================
Website https://www.lazco.tw
=========================================
(oid:LAZCO)
last-modified
2026-08-10T16:12:31Z
source
APNIC
mnt-by
MAINT-TW-TWNIC

irt IRT-LAZCO-TW

irt
IRT-LAZCO-TW
address
Lazco Corporation
6F.-4, No. 26, Zhongshan Dist., Taipei City 104425, Taiwan (R.O.C.)
phone
+886-928720711
e-mail
abuse-mailbox
admin-c
TR662-AP
tech-c
TR662-AP
remarks
(oid:LAZCO)
auth
# Filtered
last-modified
2026-07-16T02:54:37Z
source
APNIC
mnt-by
MAINT-TW-TWNIC

role TWNIC ROLE-LAZCO

role
TWNIC ROLE-LAZCO
nic-hdl
TR662-AP
address
Lazco Corporation
6F.-4, No. 26, Zhongshan Dist., Taipei City 104425, Taiwan (R.O.C.)
Taipei
country
TW
phone
+886-9-2872-0711
e-mail
abuse-mailbox
admin-c
CL3312-AP
tech-c
CL3312-AP
remarks
(hid:CL2602240A-TW)
last-modified
2026-08-15T14:59:28Z
source
APNIC
mnt-by
MAINT-TW-TWNIC

as-block:       AS131072 - AS132095
descr:          APNIC 32-bit 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:  2009-09-29T05:34:08Z
source:         APNIC

role:           APNIC Hostmaster
address:        PO Box 3646
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         [email protected]
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         [email protected]
mnt-by:         MAINT-APNIC-AP
last-modified:  2026-08-26T00:40:00Z
source:         APNIC


as-block:       AS131584 - AS131639
descr:          TWNIC-TW-4-byte-AS-BLOCK1
descr:          These AS numbers are further assigned by TWNIC
descr:          to TWNIC members
country:        TW
admin-c:        TWA2-AP
tech-c:         TWA2-AP
mnt-by:         MAINT-TW-TWNIC
mnt-lower:      MAINT-TW-TWNIC
last-modified:  2025-02-11T03:29:09Z
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:         [email protected]
admin-c:        ck373-AP
tech-c:         TW922-AP
tech-c:         NS10-AP
nic-hdl:        TWA2-AP
notify:         [email protected]
mnt-by:         MAINT-TW-TWNIC
last-modified:  2020-01-02T03:54:20Z
source:         APNIC



aut-num:        AS131630
country:        TW
as-name:        LAZCO
admin-c:        TR662-AP
tech-c:         TR662-AP
abuse-c:        TR662-AP
mnt-irt:        IRT-LAZCO-TW
descr:          Lazco Corporation
descr:          6F.-4, No. 26, Zhongshan Dist., Taipei City 104425, Taiwan (R.O.C.)
descr:          Taipei
default:        to AS204844 action pref=100; networks AS131630:AS-LAZCO
default:        to AS20473  action pref=50;  networks AS131630:AS-LAZCO
default:        to AS134823 action pref=90;  networks AS131630:AS-LAZCO
default:        to AS6939   action pref=50;  networks AS131630:AS-LAZCO
default:        to AS32595  action pref=200; networks AS131630:AS-LAZCO
export:         to AS204844 announce AS131630:AS-LAZCO
export:         to AS20473  announce AS131630:AS-LAZCO
export:         to AS134823 announce AS131630:AS-LAZCO
export:         to AS6939   announce AS131630:AS-LAZCO
export:         to AS32595  announce AS131630:AS-LAZCO
import:         from AS204844 action pref=100; accept ANY
import:         from AS20473  action pref=50;  accept ANY
import:         from AS134823 action pref=90;  accept ANY
import:         from AS6939   action pref=50;  accept ANY
import:         from AS32595  action pref=200; accept ANY
remarks:        =========================================
remarks:        Geofeed https://cdn.lazco.tw/geofeed.csv
remarks:        =========================================
remarks:        Website https://www.lazco.tw
remarks:        =========================================
remarks:        (oid:LAZCO)
last-modified:  2026-08-10T16:12:31Z
source:         APNIC
mnt-by:         MAINT-TW-TWNIC

irt:            IRT-LAZCO-TW
address:        Lazco Corporation
address:        6F.-4, No. 26, Zhongshan Dist., Taipei City 104425, Taiwan (R.O.C.)
phone:          +886-928720711
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        TR662-AP
tech-c:         TR662-AP
remarks:        (oid:LAZCO)
auth:           # Filtered
last-modified:  2026-07-16T02:54:37Z
source:         APNIC
mnt-by:         MAINT-TW-TWNIC

role:           TWNIC ROLE-LAZCO
nic-hdl:        TR662-AP
address:        Lazco Corporation
address:        6F.-4, No. 26, Zhongshan Dist., Taipei City 104425, Taiwan (R.O.C.)
address:        Taipei
country:        TW
phone:          +886-9-2872-0711
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        CL3312-AP
tech-c:         CL3312-AP
remarks:        (hid:CL2602240A-TW)
last-modified:  2026-08-15T14:59:28Z
source:         APNIC
mnt-by:         MAINT-TW-TWNIC