ASN AS9931 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS9931?

AS9931 is listed under National Telecom Public Company Limited.

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.

AS9931 National Telecom Public Company Limited

National Telecom Public Company Limited ntplc.co.th

TH 777 Routes

AS Data

AS9931

AS9931 – National Telecom Public Company Limited

AS Number	9931
AS Name	NTPCL-AS-AP
Organization	National Telecom Public Company Limited(org-ntpc1-ap)
Country	TH
Website	ntplc.co.th
Number of IPv4 Routes	616
Number of IPv6 Routes	161
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS9931 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

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
202.129.61.0/24	AS9931	National Telecom Public Company Limited	CAT TELECOM	256
114.131.40.0/21	AS9931	National Telecom Public Company Limited	National Telecom Public Company Limited	2048
110.78.16.0/20	AS9931	National Telecom Public Company Limited	CAT Telecom public company Ltd International Telecommunications Service Provider	4096
122.155.46.0/24	AS9931	National Telecom Public Company Limited	CAT Wireless 99 Moo 3 Chaeng Watthana Road Bangkok	256
122.155.92.0/24	AS9931	National Telecom Public Company Limited	CAT Telecom public company Ltd	256
122.154.201.0/24	AS9931	National Telecom Public Company Limited	National Telecom Public Company Limited	256
2001:c38:90f1::/48	AS9931	National Telecom Public Company Limited	National Telecom Public Company Limited	~1×10²⁴
202.129.4.0/22	AS9931	National Telecom Public Company Limited	525/9 M.10 MUANG NAKHONSAWAN 6000 send spam abuse to	1024
114.131.66.0/23	AS9931	National Telecom Public Company Limited	National Telecom Public Company Limited	512
122.154.17.0/24	AS9931	National Telecom Public Company Limited	National Telecom Public Company Limited	256

Raw Whois Response

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

% Information related to 'AS9249 - AS10239'

as-block:       AS9249 - AS10239
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:  2022-09-22T22:36:45Z
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 'AS9931'

% Abuse contact for 'AS9931' is 'pitoon.p@ntplc.co.th'

aut-num:        AS9931
as-name:        NTPCL-AS-AP
descr:          National Telecom Public Company Limited
country:        TH
org:            ORG-NTPC1-AP
admin-c:        NTPC2-AP
tech-c:         NTPC2-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-NTPCL-TH
mnt-routes:     MAINT-NTPCL-TH
mnt-lower:      MAINT-NTPCL-TH
abuse-c:        AN3307-AP
last-modified:  2025-11-20T00:05:02Z
source:         APNIC

irt:            IRT-NTPCL-TH
address:        99 Chaengwattana Road, Thung Song Hong Subdistrict, Luk Si, Luksi Bangkok 10210
e-mail:         pitoon.p@ntplc.co.th
abuse-mailbox:  pitoon.p@ntplc.co.th
admin-c:        NTPC2-AP
tech-c:         NTPC2-AP
auth:           # Filtered
mnt-by:         MAINT-NTPCL-TH
last-modified:  2026-02-02T07:21:59Z
source:         APNIC

organisation:   ORG-NTPC1-AP
org-name:       National Telecom Public Company Limited
org-type:       LIR
country:        TH
address:        99 Chaengwattana Road
address:        Thung Song Hong Subdistrict
address:        Luk Si
phone:          +662-104-4300
e-mail:         pitoon.p@ntplc.co.th
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2025-10-12T13:37:15Z
source:         APNIC

role:           ABUSE NTPCLTH
country:        ZZ
address:        99 Chaengwattana Road, Thung Song Hong Subdistrict, Luk Si, Luksi Bangkok 10210
phone:          +000000000
e-mail:         pitoon.p@ntplc.co.th
admin-c:        NTPC2-AP
tech-c:         NTPC2-AP
nic-hdl:        AN3307-AP
remarks:        Generated from irt object IRT-NTPCL-TH
abuse-mailbox:  pitoon.p@ntplc.co.th
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-19T01:51:42Z
source:         APNIC

role:           National Telecom Public Company Limited administrator
address:        99 Chaengwattana Road, Thung Song Hong Subdistrict, Luk Si, Luksi Bangkok 10210
country:        TH
phone:          +662-104-4300
e-mail:         pitoon.p@ntplc.co.th
admin-c:        NTPC2-AP
tech-c:         NTPC2-AP
nic-hdl:        NTPC2-AP
mnt-by:         MAINT-NTPCL-TH
last-modified:  2025-11-11T23:31:26Z
source:         APNIC

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

Parsed Whois Response

Peers

AS Number	Description	Country
AS23884	Proen Corp Public Company Limited.	TH
AS4652	National Telecom Public Company Limited	TH
AS45533	Comptroller General's Department	TH
AS24393	THE SECRETARIAT OF THE HOUSE OF THE REPRESENTIVES THAI PARLI	TH
AS17468	TRUE INTERNET CORPORATION CO. LTD.	TH
AS23900	Planet Online Laos, Internet Service Provider in LAO PDR	LA
AS38328	Ministry of Finance	TH
AS72	Schlumberger Limited	US
AS24328	Yala Rajabhat University Education	TH
AS138906	Ministry of Culture	TH

Upstreams

AS Number	Description	Country
AS24187	KIRZ Company Limited	TH
AS23900	Planet Online Laos	LA
AS38040	TOT Public Company Limited	TH
AS4651	National Telecom Public Company Limited	TH

Downstreams

AS Number	Description	Country
AS24393	THE SECRETARIAT OF THE HOUSE OF THE REPRESENTIVES THAI PARLI	TH
AS17468	TRUE INTERNET CORPORATION CO. LTD.	TH
AS38328	Ministry of Finance	TH
AS72	Schlumberger Limited	US
AS24328	Yala Rajabhat University Education	TH
AS138906	Ministry of Culture	TH
AS9649	PACIFIC INTERNET S PTE. LTD.	TH
AS45533	The Comptroller General's Department	TH
AS45806	Siam Commercial Bank	TH
AS18252	National Telecom Public Company Limited	TH