What is ASN AS136485?

ASN AS136485 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS136485?

AS136485 is listed under Chunghwa Telecom Thailand 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?

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.

AS136485 Chunghwa Telecom Thailand Co., Ltd.

ASN Lookup Tool

Chunghwa Telecom Thailand Co., Ltd. chtth.co.th

TH 1 Routes

AS Data

AS136485

AS136485 – Chunghwa Telecom Thailand Co., Ltd.

AS Number	136485
AS Name	CHT-AS-AP
Organization	Chunghwa Telecom Thailand Co., Ltd.(org-ctcl3-ap)
Country	TH
Website	chtth.co.th
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS136485 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.90.40.0/22	AS136485	Chunghwa Telecom Thailand Co., Ltd.	Chunghwa Telecom Thailand Co., Ltd.	1024

Raw Whois Response

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

% Information related to 'AS135581 - AS136505'

as-block:       AS135581 - AS136505
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:  2016-05-26T03:42:37Z
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 'AS136485'

% Abuse contact for 'AS136485' is 'nan@chtth.co.th'

aut-num:        AS136485
as-name:        CHT-AS-AP
descr:          Chunghwa Telecom (Thailand) Co., Ltd.
country:        TH
org:            ORG-CTCL3-AP
admin-c:        CTTC1-AP
tech-c:         CTTC1-AP
abuse-c:        AC1742-AP
mnt-lower:      MAINT-CHT-TH
mnt-routes:     MAINT-CHT-TH
mnt-by:         APNIC-HM
mnt-irt:        IRT-CHT-TH
last-modified:  2020-06-10T13:06:12Z
source:         APNIC

irt:            IRT-CHT-TH
address:        65/131 Chamnan Phenjati Bldg., Rama 9 Rd., Huaykwang,, Huaykwang Bangkok 10320
e-mail:         nan@chtth.co.th
abuse-mailbox:  nan@chtth.co.th
admin-c:        CTTC1-AP
tech-c:         CTTC1-AP
auth:           # Filtered
remarks:        jhanke@chtth.co.th
remarks:        nan@chtth.co.th was validated on 2026-03-05
mnt-by:         MAINT-CHT-TH
last-modified:  2026-03-05T01:39:43Z
source:         APNIC

organisation:   ORG-CTCL3-AP
org-name:       Chunghwa Telecom (Thailand) Co., Ltd.
org-type:       LIR
country:        TH
address:        33/4, The 9th Towers, Grand Rama 9, Tower B, 25th Fl., Unit No. TNBO 2503, Rama 9 Road
phone:          +66-2-2487101-2
fax-no:         +66-2-2487100
e-mail:         shuowei@cht.com.tw
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2025-04-24T12:58:01Z
source:         APNIC

role:           ABUSE CHTTH
country:        ZZ
address:        65/131 Chamnan Phenjati Bldg., Rama 9 Rd., Huaykwang,, Huaykwang Bangkok 10320
phone:          +000000000
e-mail:         nan@chtth.co.th
admin-c:        CTTC1-AP
tech-c:         CTTC1-AP
nic-hdl:        AC1742-AP
remarks:        Generated from irt object IRT-CHT-TH
remarks:        nan@chtth.co.th was validated on 2026-03-05
abuse-mailbox:  nan@chtth.co.th
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-05T01:40:15Z
source:         APNIC

role:           Chunghwa Telecom Thailand Co Ltd administrato
address:        65/131 Chamnan Phenjati Bldg., Rama 9 Rd., Huaykwang,, Huaykwang Bangkok 10320
country:        TH
phone:          +66-2-2487101-2
fax-no:         +66-2-2487101-2
e-mail:         shuowei@cht.com.tw
admin-c:        CTTC1-AP
tech-c:         CTTC1-AP
nic-hdl:        CTTC1-AP
mnt-by:         MAINT-CHT-TH
last-modified:  2017-04-07T02:35:46Z
source:         APNIC

% Information related to 'AS135581 - AS136505'

as-block:       AS135581 - AS136505
descr:          APNIC ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-02-14T05:52:41Z
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-UK2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS135581 - AS136505",
    "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" : "2016-05-26",
    "source" : "APNIC"
  }, {
    "as_block" : "AS135581 - AS136505",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "IA55-AP" ],
    "tech_contacts" : [ "IH123-AP" ],
    "mnt_by" : [ "MNT-APJII-ID" ],
    "mnt_lower" : [ "MNT-APJII-ID" ],
    "date_updated" : "2026-02-14",
    "source" : "IDNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS136485",
    "as_name" : "CHT-AS-AP",
    "description" : [ "Chunghwa Telecom (Thailand) Co., Ltd." ],
    "country" : "TH",
    "organization" : "ORG-CTCL3-AP",
    "admin_contacts" : [ "CTTC1-AP" ],
    "tech_contacts" : [ "CTTC1-AP" ],
    "abuse_contacts" : [ "AC1742-AP" ],
    "mnt_irt" : [ "IRT-CHT-TH" ],
    "mnt_lower" : [ "MAINT-CHT-TH" ],
    "mnt_routes" : [ "MAINT-CHT-TH" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-06-10",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-CHT-TH",
    "address" : [ "65/131 Chamnan Phenjati Bldg., Rama 9 Rd., Huaykwang,, Huaykwang Bangkok 10320" ],
    "street" : "Rama 9 Rd. Huaykwang Huaykwang",
    "city" : "Bangkok",
    "zip_code" : "10320",
    "email" : [ "nan@chtth.co.th" ],
    "abuse_mailbox" : [ "nan@chtth.co.th" ],
    "admin_contacts" : [ "CTTC1-AP" ],
    "tech_contacts" : [ "CTTC1-AP" ],
    "remarks" : [ "jhanke@chtth.co.th", "nan@chtth.co.th was validated on 2026-03-05" ],
    "mnt_by" : [ "MAINT-CHT-TH" ],
    "date_updated" : "2026-03-05",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-CTCL3-AP",
    "name" : "Chunghwa Telecom (Thailand) Co., Ltd.",
    "type" : "LIR",
    "address" : [ "33/4, The 9th Towers, Grand Rama 9, Tower B, 25th Fl., Unit No. TNBO 2503, Rama 9 Road" ],
    "street" : "Rama 9 Road",
    "country" : [ "TH" ],
    "email" : [ "shuowei@cht.com.tw" ],
    "phone" : [ "+66-2-2487101-2" ],
    "fax_no" : [ "+66-2-2487100" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2025-04-24",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "CTTC1-AP",
    "name" : "Chunghwa Telecom Thailand Co Ltd administrato",
    "address" : [ "65/131 Chamnan Phenjati Bldg., Rama 9 Rd., Huaykwang,, Huaykwang Bangkok 10320" ],
    "street" : "Rama 9 Rd. Huaykwang Huaykwang",
    "city" : "Bangkok",
    "zip_code" : "10320",
    "country" : "TH",
    "email" : [ "shuowei@cht.com.tw" ],
    "phone" : [ "+66-2-2487101-2" ],
    "fax_no" : [ "+66-2-2487101-2" ],
    "admin_contacts" : [ "CTTC1-AP" ],
    "tech_contacts" : [ "CTTC1-AP" ],
    "mnt_by" : [ "MAINT-CHT-TH" ],
    "date_updated" : "2017-04-07",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "CTTC1-AP",
    "name" : "Chunghwa Telecom Thailand Co Ltd administrato",
    "address" : [ "65/131 Chamnan Phenjati Bldg., Rama 9 Rd., Huaykwang,, Huaykwang Bangkok 10320" ],
    "street" : "Rama 9 Rd. Huaykwang Huaykwang",
    "city" : "Bangkok",
    "zip_code" : "10320",
    "country" : "TH",
    "email" : [ "shuowei@cht.com.tw" ],
    "phone" : [ "+66-2-2487101-2" ],
    "fax_no" : [ "+66-2-2487101-2" ],
    "admin_contacts" : [ "CTTC1-AP" ],
    "tech_contacts" : [ "CTTC1-AP" ],
    "mnt_by" : [ "MAINT-CHT-TH" ],
    "date_updated" : "2017-04-07",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AC1742-AP",
    "name" : "ABUSE CHTTH",
    "address" : [ "65/131 Chamnan Phenjati Bldg., Rama 9 Rd., Huaykwang,, Huaykwang Bangkok 10320" ],
    "street" : "Rama 9 Rd. Huaykwang Huaykwang",
    "city" : "Bangkok",
    "zip_code" : "10320",
    "country" : "ZZ",
    "email" : [ "nan@chtth.co.th" ],
    "abuse_mailbox" : [ "nan@chtth.co.th" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "CTTC1-AP" ],
    "tech_contacts" : [ "CTTC1-AP" ],
    "remarks" : [ "Generated from irt object IRT-CHT-TH", "nan@chtth.co.th was validated on 2026-03-05" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-03-05",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS45642	JasTel Network Company Limited	TH
AS45642	Jasmine International Tower	TH

Upstreams

AS Number	Description	Country
AS45642	JasTel Network Company Limited	TH

Contacts

Email Contacts

nan@chtth.co.th hostmaster@idnic.net shuowei@cht.com.tw

Abuse Contacts

nan@chtth.co.th