ASN Lookup Tool

Taiwan Network Information Center twnic.tw TW TW 7 Routes

AS Data

AS18180

AS18180Taiwan Network Information Center

AS Number 18180
AS Name TWNIC-AS
Organization Taiwan Network Information Center()
Country TW
Website twnic.tw
Number of IPv4 Routes 7
Number of IPv6 Routes 0
ASN type GOVERNMENT
Registry APNIC
Date Allocated N/A

ASN Intelligence API for production workflows

Use ASN data for AS18180 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

IP Ranges

Route # IPs
221.128.248.0/22 1024
221.128.195.0/24 256
221.128.128.0/22 1024
221.128.248.0/21 2048
221.128.130.0/23 512
221.128.252.0/22 1024
221.128.128.0/23 512

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 'AS18177 - AS18185'

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:         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 'AS18180'

% Abuse contact for 'AS18180' is 'hostmaster@twnic.tw'

aut-num:        AS18180
as-name:        TWNIC-AS
descr:          Taiwan Network Information Center
descr:          3F., No. 123, Sec. 4, Bade Rd., Songshan Dist.,
descr:          Taipei, Taiwan
country:        TW
import:         from AS7481 action pref=100; accept ANY
export:         to AS7481 announce AS18180
default:        to AS7481 action pref=100; networks ANY
admin-c:        NH33-AP
tech-c:         NH33-AP
abuse-c:        AT939-AP
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-TWNIC-AP
last-modified:  2021-11-04T00:49:45Z
source:         APNIC

irt:            IRT-TWNIC-AP
address:        3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
e-mail:         hostmaster@twnic.tw
abuse-mailbox:  hostmaster@twnic.tw
admin-c:        TWA2-AP
tech-c:         TWA2-AP
auth:           # Filtered
remarks:        Please note that TWNIC is not an ISP and is not empowered
remarks:        to investigate complaints of network abuse.
remarks:        hostmaster@twnic.tw was validated on 2025-05-23
mnt-by:         MAINT-TW-TWNIC
last-modified:  2025-11-17T23:08:34Z
source:         APNIC

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:         Nai-Wen Hsu
address:        4F-2, No. 9 Sec. 2, Roosevelt Road Taipei
country:        TW
phone:          +886-2-2341-1313
fax-no:         +886-2-2396-8832
e-mail:         snw@twnic.net.tw
nic-hdl:        NH33-AP
mnt-by:         MAINT-TW-TWNIC
last-modified:  2008-09-04T07:29:23Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)

Parsed Whois Response

Peers

AS Number Description Country
AS136826 IDNIC ID Indonesia Network Information Center ID
AS210919 YOU Broadband & Cable India Ltd. KR
AS55933 Cloudie Limited HK
AS136826 PT TITIK TERANG MAKMUR ID
AS210919 Navox co.,Ltd KR
AS7481 Chunghwa Telecom Co., Ltd. TW

Upstreams

AS Number Description Country
AS136826 IDNIC ID Indonesia Network Information Center ID
AS210919 YOU Broadband & Cable India Ltd. KR
AS55933 Cloudie Limited HK

Contacts

Ready to get started?Get Started with IP Intelligence API Today

CTA Illustration

Frequently Asked Questions

ASN AS18180 is an Autonomous System Number used to identify a network for BGP internet routing.
AS18180 is listed under Taiwan Network Information Center.
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.