What is ASN AS131584?

ASN AS131584 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS131584?

AS131584 is listed under Taiwan Intelligent Fiber Optic Network Co.,Ltd..

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

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AS131584 Taiwan Intelligent Fiber Optic Network Co.,Ltd.

Taiwan Intelligent Fiber Optic Network Co.,Ltd. twnic.net.tw

TW 78 Routes

AS Data

AS131584

AS131584 – Taiwan Intelligent Fiber Optic Network Co.,Ltd.

AS Number	131584
AS Name	TAIFO-AS-TW
Organization	Taiwan Intelligent Fiber Optic Network Co.,Ltd.
Country	TW
Website	twnic.net.tw
Number of IPv4 Routes	54
Number of IPv6 Routes	24
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

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Use ASN data for AS131584 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

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 'AS131584'

% Abuse contact for 'AS131584' is 'oreo.chao@taifo.com.tw'

aut-num:        AS131584
as-name:        TAIFO-AS-TW
descr:          Taiwan Intelligent Fiber Optic Network Co.,Ltd.
descr:          No.3, Ln12, Wuquan 3rd.,
descr:          New Taipei City Taiwan 242
country:        TW
import:         from AS17709 action pref=100; accept ANY
import:         from AS17710 action pref=100; accept ANY
export:         to AS17709 announce AS131584
export:         to AS17710 announce AS131584
default:        to AS17709 action pref=100; networks ANY
admin-c:        OL85-AP
tech-c:         OL85-AP
abuse-c:        AT939-AP
mnt-lower:      MAINT-TW-TWNIC
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-TAIFO7716-TW
last-modified:  2025-11-06T09:29:55Z
source:         APNIC

irt:            IRT-TAIFO7716-TW
address:        Taiwan Intelligent Fiber Optic Network Co.,Ltd.
address:        No.219, FuHui Rd., HsinChung Dist.
address:        New Taipei City
phone:          +886-9-1021-0511
e-mail:         oreo.chao@taifo.com.tw
abuse-mailbox:  oreo.chao@taifo.com.tw
admin-c:        TR560-AP
tech-c:         TR560-AP
remarks:        (oid:TAIFO7716)
mnt-by:         MAINT-TW-TWNIC
last-modified:  2025-11-06T07:49:28Z
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:         Oreo Lin
nic-hdl:        OL85-AP
e-mail:         oreo.lin@taifo.com.tw
address:        No.3, Ln12, Wuquan 3rd.,
address:        New Taipei City, 242, R.O.C
phone:          +886-2-77162666#8768
fax-no:         +886-2-77161068
country:        TW
mnt-by:         MAINT-TW-TWNIC
last-modified:  2012-11-16T08:28:02Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS131072 - AS132095",
    "description" : [ "APNIC 32-bit ASN block" ],
    "admin_contacts" : [ "HM20-AP" ],
    "tech_contacts" : [ "HM20-AP" ],
    "remarks" : [ "These AS numbers are further assigned by APNIC", "to APNIC members and end-users in the APNIC region" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "APNIC-HM" ],
    "date_updated" : "2009-09-29",
    "source" : "APNIC"
  }, {
    "as_block" : "AS131584 - AS131639",
    "country" : "TW",
    "description" : [ "TWNIC-TW-4-byte-AS-BLOCK1", "These AS numbers are further assigned by TWNIC", "to TWNIC members" ],
    "admin_contacts" : [ "TWA2-AP" ],
    "tech_contacts" : [ "TWA2-AP" ],
    "mnt_by" : [ "MAINT-TW-TWNIC" ],
    "mnt_lower" : [ "MAINT-TW-TWNIC" ],
    "date_updated" : "2025-02-11",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS131584",
    "as_name" : "TAIFO-AS-TW",
    "description" : [ "Taiwan Intelligent Fiber Optic Network Co.,Ltd.", "No.3, Ln12, Wuquan 3rd.,", "New Taipei City Taiwan 242" ],
    "country" : "TW",
    "import" : [ "from AS17709 action pref=100; accept ANY", "from AS17710 action pref=100; accept ANY" ],
    "export" : [ "to AS17709 announce AS131584", "to AS17710 announce AS131584" ],
    "default" : [ "to AS17709 action pref=100; networks ANY" ],
    "admin_contacts" : [ "OL85-AP" ],
    "tech_contacts" : [ "OL85-AP" ],
    "abuse_contacts" : [ "AT939-AP" ],
    "mnt_irt" : [ "IRT-TAIFO7716-TW" ],
    "mnt_lower" : [ "MAINT-TW-TWNIC" ],
    "mnt_by" : [ "MAINT-TW-TWNIC" ],
    "date_updated" : "2025-11-06",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-TAIFO7716-TW",
    "address" : [ "Taiwan Intelligent Fiber Optic Network Co.,Ltd.", "No.219, FuHui Rd., HsinChung Dist.", "New Taipei City" ],
    "street" : "Fuhui Rd.",
    "city" : "New Taipei City",
    "email" : [ "oreo.chao@taifo.com.tw" ],
    "abuse_mailbox" : [ "oreo.chao@taifo.com.tw" ],
    "phone" : [ "+886-9-1021-0511" ],
    "admin_contacts" : [ "TR560-AP" ],
    "tech_contacts" : [ "TR560-AP" ],
    "remarks" : [ "(oid:TAIFO7716)" ],
    "mnt_by" : [ "MAINT-TW-TWNIC" ],
    "date_updated" : "2025-11-06",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "OL85-AP",
    "name" : "Oreo Lin",
    "address" : [ "No.3, Ln12, Wuquan 3rd.,", "New Taipei City, 242, R.O.C" ],
    "street" : "Ln12 Wuquan 3rd",
    "city" : "New Taipei City",
    "zip_code" : "242",
    "country" : "TW",
    "email" : [ "oreo.lin@taifo.com.tw" ],
    "phone" : [ "+886-2-77162666" ],
    "fax_no" : [ "+886-2-77161068" ],
    "mnt_by" : [ "MAINT-TW-TWNIC" ],
    "date_updated" : "2012-11-16",
    "source" : "APNIC",
    "addressCountry" : "R.O.C"
  } ],
  "technical_contacts" : [ {
    "handle" : "OL85-AP",
    "name" : "Oreo Lin",
    "address" : [ "No.3, Ln12, Wuquan 3rd.,", "New Taipei City, 242, R.O.C" ],
    "street" : "Ln12 Wuquan 3rd",
    "city" : "New Taipei City",
    "zip_code" : "242",
    "country" : "TW",
    "email" : [ "oreo.lin@taifo.com.tw" ],
    "phone" : [ "+886-2-77162666" ],
    "fax_no" : [ "+886-2-77161068" ],
    "mnt_by" : [ "MAINT-TW-TWNIC" ],
    "date_updated" : "2012-11-16",
    "source" : "APNIC",
    "addressCountry" : "R.O.C"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AT939-AP",
    "name" : "ABUSE TWNICAP",
    "address" : [ "3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan" ],
    "street" : "Sec. 4 Bade Rd.",
    "city" : "Taipei",
    "zip_code" : "105",
    "country" : "ZZ",
    "email" : [ "hostmaster@twnic.tw" ],
    "abuse_mailbox" : [ "hostmaster@twnic.tw" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "TWA2-AP" ],
    "tech_contacts" : [ "TWA2-AP" ],
    "remarks" : [ "Generated from irt object IRT-TWNIC-AP", "hostmaster@twnic.tw was validated on 2025-05-23" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2025-05-23",
    "source" : "APNIC",
    "addressCountry" : "TAIWAN"
  } ]
}

Peers

AS Number	Description	Country
AS24482	SG.GS	SG
AS55720	Gigabit Hosting Sdn Bhd	MY
AS17709	Asia Pacific Telecom	TW
AS134823	Sky Digital Co., Ltd.	TW
AS9002	RETN Limited	GB
AS10133	Chief Telecom Inc.	TW
AS3462	Chunghwa Telecom Co., Ltd.	TW
AS3462	Data Communication Business Group	TW
AS7713	Telekomunikasi Indonesia PT	ID
AS18041	Taiwan Digital Streaming Co.	TW
AS14537	Continent 8 LLC	US
AS4780	Digital United Inc.	TW
AS7713	PT Telekomunikasi Indonesia	ID
AS18046	DongFong Technology Co. Ltd.	TW
AS18411	EDT Network Services Limited Co,Ltd.	TW
AS44324	MoeDove LLC	US
AS7481	Data Communication Business Group	TW
AS17710	President Information Corp.	TW
AS7481	Chunghwa Telecom Co., Ltd.	TW
AS137409	GSL Networks Pty LTD	AU
AS17408	AboveNet Communications Taiwan	TW
AS17408	Maintain by Chief Telecom	TW
AS215172	JIANYUELAB LTD	GB

Upstreams

AS Number	Description	Country
AS18046	DongFong Technology Co. Ltd.	TW
AS17709	Asia Pacific Telecom	TW
AS9002	RETN Limited	GB
AS10133	Chief Telecom Inc.	TW
AS3462	Chunghwa Telecom Co., Ltd.	TW
AS7713	Telekomunikasi Indonesia PT	ID
AS7481	Chunghwa Telecom Co., Ltd.	TW
AS137409	GSL Networks Pty LTD	AU
AS4780	Digital United Inc.	TW
AS17408	Maintain by Chief Telecom	TW

Downstreams

AS Number	Description	Country
AS18411	EDT Network Services Limited Co,Ltd.	TW

Contacts

Email Contacts

oreo.chao@taifo.com.tw hostmaster@twnic.tw oreo.lin@taifo.com.tw hostmaster@twnic.net.tw

Abuse Contacts

oreo.chao@taifo.com.tw

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