ASN AS4747 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS4747?

AS4747 is listed under TTN ASN merged by TFN.

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?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS4747 TTN ASN merged by TFN | IPGeolocation.io

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TTN ASN merged by TFN tfn.com.tw

TW 0 Routes

AS Data

AS4747

AS4747 – TTN ASN merged by TFN

AS Number	4747
AS Name	TFN-TW-TTN
Organization	TTN ASN merged by TFN
Country	TW
Website	tfn.com.tw
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

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Raw Whois Response

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

% Information related to 'AS4608 - AS4865'

as-block:       AS4608 - AS4865
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:  2019-05-20T03:52:26Z
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 'AS4747'

% Abuse contact for 'AS4747' is 'nickchang@taiwanmobile.com'

aut-num:        AS4747
as-name:        TFN-TW-TTN
descr:          TTN ASN merged by TFN
descr:          Taiwan Fixed Network Co.Ltd.
descr:          No. 172-1, Sec. 2, Ji-Lung Rd.,
descr:          Taipei City 106, Taiwan
country:        TW
import:         from AS9924 action pref=100; accept ANY
export:         to AS9924 announce ANY
admin-c:        IP11-AP
tech-c:         IP11-AP
abuse-c:        AT939-AP
notify:         ipsd@taiwanmobile.com
mnt-lower:      MAINT-TFN-TW
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-PROFOND-TW
last-modified:  2025-11-06T09:05:49Z
source:         APNIC

irt:            IRT-PROFOND-TW
address:        Taiwan Fixed Network CO.,LTD.
address:        15 F., No. 172-1, Sec. 2, Keelung Rd., Da-an Dist.
address:        Taipei City
phone:          +886-9-2244-1147
e-mail:         nickchang@taiwanmobile.com
abuse-mailbox:  nickchang@taiwanmobile.com
admin-c:        TR513-AP
tech-c:         TR513-AP
remarks:        (oid:PROFOND)
mnt-by:         MAINT-TW-TWNIC
last-modified:  2025-11-06T07:46:03Z
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

role:           TTN IP-Team
address:        Taiwan Mobile Co., Ltd.
address:        Network Assurance & Technical Support Div.
address:        # Ex TTN merged
address:        8F.,No 172-1, Sec 2, Ji-Lung RD
address:        Taipei 106  Taiwan
country:        TW
phone:          +886-2-6638-6888
fax-no:         +886-2-6639-0607
e-mail:         whois@ttn.com.tw
admin-c:        IP11-AP
tech-c:         IP11-AP
nic-hdl:        IP11-AP
remarks:        ### Crime, Abuse , Spam , Security ###
remarks:        CSC TEL : 0809-000-188
remarks:        CSC TEL : +886-2-4066-0357
remarks:        abuse@tfn.com.tw
remarks:        abuse@tfn.com.tw
remarks:        ### Crime, Abuse , Spam , Security ###
mnt-by:         MAINT-TTN-AP
last-modified:  2011-12-06T00:10:19Z
source:         APNIC

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS4608 - AS4865",
    "description" : [ "APNIC 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" : "2019-05-20",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS4747",
    "as_name" : "TFN-TW-TTN",
    "description" : [ "TTN ASN merged by TFN", "Taiwan Fixed Network Co.Ltd.", "No. 172-1, Sec. 2, Ji-Lung Rd.,", "Taipei City 106, Taiwan" ],
    "country" : "TW",
    "import" : [ "from AS9924 action pref=100; accept ANY" ],
    "export" : [ "to AS9924 announce ANY" ],
    "admin_contacts" : [ "IP11-AP" ],
    "tech_contacts" : [ "IP11-AP" ],
    "abuse_contacts" : [ "AT939-AP" ],
    "notify" : [ "ipsd@taiwanmobile.com" ],
    "mnt_irt" : [ "IRT-PROFOND-TW" ],
    "mnt_lower" : [ "MAINT-TFN-TW" ],
    "mnt_by" : [ "MAINT-TW-TWNIC" ],
    "date_updated" : "2025-11-06",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-PROFOND-TW",
    "address" : [ "Taiwan Fixed Network CO.,LTD.", "15 F., No. 172-1, Sec. 2, Keelung Rd., Da-an Dist.", "Taipei City" ],
    "street" : "No. 172-1 Sec. 2 Keelung Rd. Da-an",
    "city" : "Taipei City",
    "email" : [ "nickchang@taiwanmobile.com" ],
    "abuse_mailbox" : [ "nickchang@taiwanmobile.com" ],
    "phone" : [ "+886-9-2244-1147" ],
    "admin_contacts" : [ "TR513-AP" ],
    "tech_contacts" : [ "TR513-AP" ],
    "remarks" : [ "(oid:PROFOND)" ],
    "mnt_by" : [ "MAINT-TW-TWNIC" ],
    "date_updated" : "2025-11-06",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "IP11-AP",
    "name" : "TTN IP-Team",
    "address" : [ "Taiwan Mobile Co., Ltd.", "Network Assurance & Technical Support Div.", "# Ex TTN merged", "8F.,No 172-1, Sec 2, Ji-Lung RD", "Taipei 106  Taiwan" ],
    "street" : "No 172-1 Sec 2 Ji-lung Rd",
    "city" : "Taipei",
    "zip_code" : "106",
    "country" : "TW",
    "email" : [ "whois@ttn.com.tw" ],
    "phone" : [ "+886-2-6638-6888" ],
    "fax_no" : [ "+886-2-6639-0607" ],
    "admin_contacts" : [ "IP11-AP" ],
    "tech_contacts" : [ "IP11-AP" ],
    "remarks" : [ "### Crime, Abuse , Spam , Security ###", "CSC TEL : 0809-000-188", "CSC TEL : +886-2-4066-0357", "abuse@tfn.com.tw", "abuse@tfn.com.tw", "### Crime, Abuse , Spam , Security ###" ],
    "mnt_by" : [ "MAINT-TTN-AP" ],
    "date_updated" : "2011-12-06",
    "source" : "APNIC",
    "addressCountry" : "TAIWAN"
  } ],
  "technical_contacts" : [ {
    "handle" : "IP11-AP",
    "name" : "TTN IP-Team",
    "address" : [ "Taiwan Mobile Co., Ltd.", "Network Assurance & Technical Support Div.", "# Ex TTN merged", "8F.,No 172-1, Sec 2, Ji-Lung RD", "Taipei 106  Taiwan" ],
    "street" : "No 172-1 Sec 2 Ji-lung Rd",
    "city" : "Taipei",
    "zip_code" : "106",
    "country" : "TW",
    "email" : [ "whois@ttn.com.tw" ],
    "phone" : [ "+886-2-6638-6888" ],
    "fax_no" : [ "+886-2-6639-0607" ],
    "admin_contacts" : [ "IP11-AP" ],
    "tech_contacts" : [ "IP11-AP" ],
    "remarks" : [ "### Crime, Abuse , Spam , Security ###", "CSC TEL : 0809-000-188", "CSC TEL : +886-2-4066-0357", "abuse@tfn.com.tw", "abuse@tfn.com.tw", "### Crime, Abuse , Spam , Security ###" ],
    "mnt_by" : [ "MAINT-TTN-AP" ],
    "date_updated" : "2011-12-06",
    "source" : "APNIC",
    "addressCountry" : "TAIWAN"
  } ],
  "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"
  } ]
}