What is ASN AS133581?

ASN AS133581 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS133581?

AS133581 is listed under Thailand Post 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.

AS133581 Thailand Post Co,.Ltd.

ASN Lookup Tool

Thailand Post Co,.Ltd. thailandpost.com

TH 2 Routes

AS Data

AS133581

AS133581 – Thailand Post Co,.Ltd.

AS Number	133581
AS Name	THAILANDPOSTCOMPANY-AS-AP
Organization	Thailand Post Co,.Ltd. (org-tpc1-ap)
Country	TH
Website	thailandpost.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
147.50.88.0/24	AS133581	Thailand Post Co,.Ltd.	SBN ISP/AWN ISP and SBN NIX/AWN NIX	256
103.43.229.0/24	AS133581	Thailand Post Co,.Ltd.	Thailand Post Co,.Ltd.	256

Raw Whois Response

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

% Information related to 'AS133120 - AS133631'

as-block:       AS133120 - AS133631
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:  2013-09-11T23:52:15Z
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 'AS133581'

% Abuse contact for 'AS133581' is 'network@thailandpost.com'

aut-num:        AS133581
as-name:        THAILANDPOSTCOMPANY-AS-AP
descr:          Thailand Post Co,.Ltd.
country:        TH
org:            ORG-TPC1-AP
admin-c:        TPCA1-AP
tech-c:         TPCA1-AP
abuse-c:        AT1224-AP
mnt-lower:      MAINT-THAILANDPOSTCOMPANY-TH
mnt-routes:     MAINT-THAILANDPOSTCOMPANY-TH
mnt-by:         APNIC-HM
mnt-irt:        IRT-THAILANDPOSTCOMPANY-TH
last-modified:  2020-07-15T13:09:43Z
source:         APNIC

irt:            IRT-THAILANDPOSTCOMPANY-TH
address:        111 Chaeng Watthana Rd., Laksi, Bangkok Bangkok 10210
e-mail:         network@thailandpost.com
abuse-mailbox:  network@thailandpost.com
admin-c:        TPCA1-AP
tech-c:         TPCA1-AP
auth:           # Filtered
remarks:        network@thailandpost.com is valid
remarks:        network@thailandpost.com was validated on 2025-10-16
mnt-by:         MAINT-THAILANDPOSTCOMPANY-TH
last-modified:  2025-11-18T00:29:15Z
source:         APNIC

organisation:   ORG-TPC1-AP
org-name:       Thailand Post Co,.Ltd.
org-type:       LIR
country:        TH
address:        111 Chaeng Watthana Rd., Laksi
address:        IT Building floor 2
phone:          +66-2-8313407
fax-no:         +66-2-8313221
e-mail:         chaiya.kh@thailandpost.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:23Z
source:         APNIC

role:           ABUSE THAILANDPOSTCOMPANYTH
country:        ZZ
address:        111 Chaeng Watthana Rd., Laksi, Bangkok Bangkok 10210
phone:          +000000000
e-mail:         network@thailandpost.com
admin-c:        TPCA1-AP
tech-c:         TPCA1-AP
nic-hdl:        AT1224-AP
remarks:        Generated from irt object IRT-THAILANDPOSTCOMPANY-TH
remarks:        network@thailandpost.com was validated on 2025-10-16
abuse-mailbox:  network@thailandpost.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-10-16T03:35:50Z
source:         APNIC

role:           Thailand Post CoLtd administrator
address:        111 Chaeng Watthana Rd., Laksi, Bangkok Bangkok 10210
country:        TH
phone:          +66-2-5751434
fax-no:         +66-2-5751434
e-mail:         network@thailandpost.com
admin-c:        TPCA1-AP
tech-c:         TPCA1-AP
nic-hdl:        TPCA1-AP
mnt-by:         MAINT-THAILANDPOSTCOMPANY-TH
last-modified:  2014-07-10T23:36:24Z
source:         APNIC

% 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" : "AS133120 - AS133631",
    "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" : "2013-09-11",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS133581",
    "as_name" : "THAILANDPOSTCOMPANY-AS-AP",
    "description" : [ "Thailand Post Co,.Ltd." ],
    "country" : "TH",
    "organization" : "ORG-TPC1-AP",
    "admin_contacts" : [ "TPCA1-AP" ],
    "tech_contacts" : [ "TPCA1-AP" ],
    "abuse_contacts" : [ "AT1224-AP" ],
    "mnt_irt" : [ "IRT-THAILANDPOSTCOMPANY-TH" ],
    "mnt_lower" : [ "MAINT-THAILANDPOSTCOMPANY-TH" ],
    "mnt_routes" : [ "MAINT-THAILANDPOSTCOMPANY-TH" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-07-15",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-THAILANDPOSTCOMPANY-TH",
    "address" : [ "111 Chaeng Watthana Rd., Laksi, Bangkok Bangkok 10210" ],
    "street" : "Chaeng Watthana Rd. Laksi",
    "city" : "Bangkok",
    "state" : "BANGKOK",
    "zip_code" : "10210",
    "email" : [ "network@thailandpost.com" ],
    "abuse_mailbox" : [ "network@thailandpost.com" ],
    "admin_contacts" : [ "TPCA1-AP" ],
    "tech_contacts" : [ "TPCA1-AP" ],
    "remarks" : [ "network@thailandpost.com is valid", "network@thailandpost.com was validated on 2025-10-16" ],
    "mnt_by" : [ "MAINT-THAILANDPOSTCOMPANY-TH" ],
    "date_updated" : "2025-11-18",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-TPC1-AP",
    "name" : "Thailand Post Co,.Ltd.",
    "type" : "LIR",
    "address" : [ "111 Chaeng Watthana Rd., Laksi", "IT Building floor 2" ],
    "street" : "Chaeng Watthana Rd.",
    "city" : "Laksi",
    "country" : [ "TH" ],
    "email" : [ "chaiya.kh@thailandpost.com" ],
    "phone" : [ "+66-2-8313407" ],
    "fax_no" : [ "+66-2-8313221" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "TPCA1-AP",
    "name" : "Thailand Post CoLtd administrator",
    "address" : [ "111 Chaeng Watthana Rd., Laksi, Bangkok Bangkok 10210" ],
    "street" : "Chaeng Watthana Rd. Laksi",
    "city" : "Bangkok",
    "state" : "BANGKOK",
    "zip_code" : "10210",
    "country" : "TH",
    "email" : [ "network@thailandpost.com" ],
    "phone" : [ "+66-2-5751434" ],
    "fax_no" : [ "+66-2-5751434" ],
    "admin_contacts" : [ "TPCA1-AP" ],
    "tech_contacts" : [ "TPCA1-AP" ],
    "mnt_by" : [ "MAINT-THAILANDPOSTCOMPANY-TH" ],
    "date_updated" : "2014-07-10",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "TPCA1-AP",
    "name" : "Thailand Post CoLtd administrator",
    "address" : [ "111 Chaeng Watthana Rd., Laksi, Bangkok Bangkok 10210" ],
    "street" : "Chaeng Watthana Rd. Laksi",
    "city" : "Bangkok",
    "state" : "BANGKOK",
    "zip_code" : "10210",
    "country" : "TH",
    "email" : [ "network@thailandpost.com" ],
    "phone" : [ "+66-2-5751434" ],
    "fax_no" : [ "+66-2-5751434" ],
    "admin_contacts" : [ "TPCA1-AP" ],
    "tech_contacts" : [ "TPCA1-AP" ],
    "mnt_by" : [ "MAINT-THAILANDPOSTCOMPANY-TH" ],
    "date_updated" : "2014-07-10",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AT1224-AP",
    "name" : "ABUSE THAILANDPOSTCOMPANYTH",
    "address" : [ "111 Chaeng Watthana Rd., Laksi, Bangkok Bangkok 10210" ],
    "street" : "Chaeng Watthana Rd. Laksi",
    "city" : "Bangkok",
    "state" : "BANGKOK",
    "zip_code" : "10210",
    "country" : "ZZ",
    "email" : [ "network@thailandpost.com" ],
    "abuse_mailbox" : [ "network@thailandpost.com" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "TPCA1-AP" ],
    "tech_contacts" : [ "TPCA1-AP" ],
    "remarks" : [ "Generated from irt object IRT-THAILANDPOSTCOMPANY-TH", "network@thailandpost.com was validated on 2025-10-16" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2025-10-16",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS45458	SBN ISP/AWN ISP and SBN NIX/AWN NIX	TH
AS55808	Triple T Broadband Public Company Limited	TH
AS45458	SBN-ISP/AWN-ISP and SBN-NIX/AWN-NIX	TH
AS45430	SBN-IIG/AWN-IIG transit provider	TH