AS Number
AS18185
AS Name
NTCU-AS-TW
Org Name
4F, No.114, Sec.1, Chung-Shiao W. Road
Country / Region
Taiwan
Registry

apnic

RegDate

Updated

2019-01-08T23:19:07Z

AS18185 Looking Glass
IPv4Prefixes

1

IPv6Prefixes

0

IPv4 NUMs

4,096

IPv6 NUMs(/64)

0

CIDR Description IP Num
211.76.240.0/20
TWNCTU-NET admin-c: TR593-AP tech-c: TR593-AP abuse-c: TR593-AP mnt-irt: IRT-TWNCTU-TW National Yang Ming Chiao Tung University 4096
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS4780 SEEDNET - Digital United Inc., TW Taiwan 1,707,776 279,172,874,240 IPv4 IPv4 IPv6 IPv6
AS9505 TWGATE-AP - Chunghwa Telecom Co., Ltd., TW Taiwan 24,576 8,589,934,592 IPv6 IPv6
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS9916 NCTU-TW - National Yang Ming Chiao Tung University, TW Taiwan 93,696 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS18420 NCU-TW - National Central University, TW Taiwan 65,536 0 IPv4 IPv4

Whois Record

as-block AS17653 - AS18431

as-block
descr
APNIC 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
2019-01-08T23:19:07Z
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 AS18177 - AS18185

as-block
descr
TWNIC-TW-AS-BLOCK
remarks
These AS numbers are further assigned by TWNIC
to TWNIC members
admin-c
TWA2-AP
tech-c
TWA2-AP
mnt-by
APNIC-HM
mnt-lower
MAINT-TW-TWNIC
last-modified
2024-11-05T01:42:24Z
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 AS18185

aut-num
as-name
NTCU-AS-TW
descr
4F, No.114, Sec.1, Chung-Shiao W. Road
Taipei Taiwan
country
TW
import
from AS9916 action pref=100; accept ANY
from AS9415 action pref=100; accept ANY
export
to AS9916 announce AS18185
to AS9415 announce AS18185
default
to AS9916 action pref=100; networks ANY
admin-c
TL366-AP
tech-c
CSC21-AP
abuse-c
AT939-AP
mnt-by
MAINT-TW-TWNIC
mnt-irt
IRT-TANET-TW
last-modified
2025-11-06T09:09:35Z
source
APNIC

irt IRT-TANET-TW

irt
IRT-TANET-TW
address
Ministry of Education computer Center
12F, No 106, Sec. 2, Heping E. Rd., Taipei
e-mail
abuse-mailbox
admin-c
TWA2-AP
tech-c
TWA2-AP
auth
# Filtered
mnt-by
MAINT-TW-TWNIC
last-modified
2026-07-16T02:54:43Z
source
APNIC

role ABUSE TWNICAP

role
ABUSE TWNICAP
country
ZZ
address
3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
phone
+000000000
e-mail
admin-c
TWA2-AP
tech-c
TWA2-AP
nic-hdl
AT939-AP
remarks
Generated from irt object IRT-TWNIC-AP
[email protected] was validated on 2025-05-23
abuse-mailbox
mnt-by
APNIC-ABUSE
last-modified
2025-05-23T00:02:10Z
source
APNIC

person Chang Sheng Chen

person
Chang Sheng Chen
nic-hdl
CSC21-AP
e-mail
address
National Chiao Tung University
Information Building, No. 1001, Da Shruei Rd.
Hsinchu Taiwan
phone
+886 3 573 1721
fax-no
+886 3 571 4031
country
TW
mnt-by
MAINT-TW-TWNIC
last-modified
2008-09-04T07:29:19Z
source
APNIC

person Ta-Chuan Liu

person
Ta-Chuan Liu
nic-hdl
TL366-AP
e-mail
address
4F, No.114, Sec.1, Chung-Shiao W. Road
Taipei Taiwan
phone
+886-3-573-1905
fax-no
+886-3-571-4031
country
TW
mnt-by
MAINT-TW-TWNIC
last-modified
2008-09-04T07:29:19Z
source
APNIC

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:        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:       AS18177 - AS18185
descr:          TWNIC-TW-AS-BLOCK
remarks:        These AS numbers are further assigned by TWNIC
remarks:        to TWNIC members
admin-c:        TWA2-AP
tech-c:         TWA2-AP
mnt-by:         APNIC-HM
mnt-lower:      MAINT-TW-TWNIC
last-modified:  2024-11-05T01:42:24Z
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:        AS18185
as-name:        NTCU-AS-TW
descr:          4F, No.114, Sec.1, Chung-Shiao W. Road
descr:          Taipei Taiwan
country:        TW
import:         from AS9916 action pref=100; accept ANY
import:         from AS9415 action pref=100; accept ANY
export:         to AS9916 announce AS18185
export:         to AS9415 announce AS18185
default:        to AS9916 action pref=100; networks ANY
admin-c:        TL366-AP
tech-c:         CSC21-AP
abuse-c:        AT939-AP
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-TANET-TW
last-modified:  2025-11-06T09:09:35Z
source:         APNIC

irt:            IRT-TANET-TW
address:        Ministry of Education computer Center
address:        12F, No 106, Sec. 2, Heping E. Rd., Taipei
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        TWA2-AP
tech-c:         TWA2-AP
auth:           # Filtered
mnt-by:         MAINT-TW-TWNIC
last-modified:  2026-07-16T02:54:43Z
source:         APNIC

role:           ABUSE TWNICAP
country:        ZZ
address:        3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
phone:          +000000000
e-mail:         [email protected]
admin-c:        TWA2-AP
tech-c:         TWA2-AP
nic-hdl:        AT939-AP
remarks:        Generated from irt object IRT-TWNIC-AP
remarks:        [email protected] was validated on 2025-05-23
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2025-05-23T00:02:10Z
source:         APNIC

person:         Chang Sheng Chen
nic-hdl:        CSC21-AP
e-mail:         [email protected]
address:        National Chiao Tung University
address:        Information Building, No. 1001,  Da Shruei Rd.
address:        Hsinchu Taiwan
phone:          +886 3 573 1721
fax-no:         +886 3 571 4031
country:        TW
mnt-by:         MAINT-TW-TWNIC
last-modified:  2008-09-04T07:29:19Z
source:         APNIC

person:         Ta-Chuan Liu
nic-hdl:        TL366-AP
e-mail:         [email protected]
address:
address:        4F, No.114, Sec.1, Chung-Shiao W. Road
address:        Taipei Taiwan
phone:          +886-3-573-1905
fax-no:         +886-3-571-4031
country:        TW
mnt-by:         MAINT-TW-TWNIC
last-modified:  2008-09-04T07:29:19Z
source:         APNIC