ASN Lookup Tool

Ambit Microsystem Corporation ambit.com.tw TW TW 303 Routes

AS Data

AS131591

AS131591Ambit Microsystem Corporation

AS Number 131591
AS Name AMBIT-AS-TW
Organization Ambit Microsystem Corporation()
Country TW
Website ambit.com.tw
Number of IPv4 Routes 277
Number of IPv6 Routes 26
ASN type ISP
Registry APNIC
Date Allocated N/A

ASN Intelligence API for production workflows

Use ASN data for AS131591 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
101.139.176.0/20 4096
222.250.88.0/21 2048
222.250.16.0/21 2048
101.138.208.0/20 4096
101.136.24.0/21 2048
223.23.40.0/21 2048
101.138.152.0/21 2048
2404:0:8420::/46 ~5×10²⁴
101.139.168.0/21 2048
101.139.88.0/21 2048

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS131072 - AS132095'

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:        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 'AS131584 - AS131639'

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:         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 'AS131591'

% Abuse contact for 'AS131591' is 'davidlin1@fareastone.com.tw'

aut-num:        AS131591
as-name:        AMBIT-AS-TW
descr:          Ambit Microsystem Corporation
descr:          No. 32, Jihu Rd., Neihu Dist., Taipei 11492, Taiwan, R.O.C.
descr:          Taipei Taiwan 114
country:        TW
admin-c:        SY2644-AP
tech-c:         SY2644-AP
abuse-c:        AT939-AP
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-FET-TW
last-modified:  2025-11-06T09:30:18Z
source:         APNIC

irt:            IRT-FET-TW
address:        Far EasTone Telecommunication Co., Ltd.
address:        334 Sze Chuan Road, Sec. 1
address:        Panchiao , Taipei Hsien Taiwan 220
e-mail:         davidlin1@fareastone.com.tw
abuse-mailbox:  davidlin1@fareastone.com.tw
admin-c:        TT151-AP
tech-c:         RH6-AP
auth:           # Filtered
mnt-by:         MAINT-TW-TWNIC
last-modified:  2025-11-06T07:18:22Z
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:         Steve Yao
nic-hdl:        SY2644-AP
e-mail:         steve.ys.yao@ambit.com.tw
address:        No. 32, Jihu Rd., Neihu Dist., Taipei 11492, Taiwan, R.O.C.
address:        Taipei, 114, R.O.C
phone:          +886-2-7733-0566 ext. 12762
fax-no:         +886-2-7745-0927
country:        TW
mnt-by:         MAINT-TW-TWNIC
last-modified:  2014-03-17T11:24:02Z
source:         APNIC

% Information related to 'AS131072 - AS132095'

as-block:       AS131072 - AS132095
descr:          APNIC 32-bit ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-02-25T07:12:54Z
source:         IDNIC

role:           ID-NIC ADMINISTRATORS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
admin-c:        IH288-AP
tech-c:         IH288-AP
nic-hdl:        IA55-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2026-02-25T04:06:45Z
source:         IDNIC

role:           ID-NIC HOSTMASTERS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
remarks:        spam and abuse report : abuse@apjii.or.id
remarks:        technical and routing : support@apjii.or.id
remarks:        administrative request : admin@apjii.or.id
remarks:        IDNIC hostmasters role object
admin-c:        IH1-AP
tech-c:         IH1-AP
nic-hdl:        IH123-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2024-07-10T05:48:59Z
source:         IDNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)

Parsed Whois Response

Peers

AS Number Description Country
AS17709 Asia Pacific Telecom TW

Upstreams

AS Number Description Country
AS17709 Asia Pacific Telecom TW

Contacts

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Frequently Asked Questions

ASN AS131591 is an Autonomous System Number used to identify a network for BGP internet routing.
AS131591 is listed under Ambit Microsystem Corporation.
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.