AS9931 National Telecom Public Company Limited

AS9931National Telecom Public Company LimitedISP

WHOIS Topology

Thailand · APNICntplc.co.th

IPv4 addresses

291,072

630 announced prefixes

IPv6 addresses

1.48 × 10²⁸

160 announced prefixes

BGP neighbours

…

CAIDA rank

#759

Customer cone 56 ASNs

Estimated users

188K

APNIC: 189K

RPKI

100% valid

0 invalid · 0 not covered

Average purity

82 sampled IPs

IXPs / facilities

1 / 4

Operator self-reported

History

How prefixes were announced and changed hands, registration changes, and outage or hijack incidents.

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IP ranges

Currently announced prefixes with their RIR registration and geolocation.

Prefix	RPKI	Registration	Geolocation	Addresses
114.131.0.0/16	Valid	NTPCL-THAPNIC	Bangkok	65,536
122.154.0.0/16	Valid	NTPCL-THAPNIC	Hat Yai	65,536
122.154.128.0/17	Valid	NTPCL-THAPNIC	Rayong	32,768
61.7.192.0/18	Valid	NT1-ISPAPNIC	Thailand	16,384
122.154.64.0/18	Valid	NTPCL-THAPNIC	Suphan Buri	16,384
61.19.96.0/19	Valid	CAT-ISP-NETAPNIC	Thailand	8,192
61.19.160.0/19	Valid	CAT-IP-poll-BB-ServiceAPNIC	Thailand	8,192
61.19.192.0/19	Valid	NTPCL-THAPNIC	Hat Yai	8,192
114.131.32.0/19	Valid	NTPCL-THAPNIC	Bangkok	8,192
114.131.128.0/19	Valid	NTPCL-THAPNIC	Thailand	8,192
114.131.224.0/19	Valid	NTPCL-THAPNIC	Thailand	8,192
122.154.32.0/19	Valid	CAT-SouthAPNIC	Hat Yai	8,192
122.154.64.0/19	Valid	CAT-WestAPNIC	Suphan Buri	8,192
122.154.96.0/19	Valid	CAT-eastAPNIC	Rayong	8,192
122.154.128.0/19	Valid	NT-NorthEastAPNIC	Rayong	8,192
122.154.160.0/19	Valid	CAT-CentralAPNIC	Rayong	8,192
122.155.192.0/19	Valid	CAT-IDCnonthaburi-ServiceAPNIC	Thailand	8,192
202.129.0.0/19	Valid	NTPCL-THAPNIC	Thailand	8,192
61.19.16.0/20	Valid	NTPCL-THAPNIC	Thailand	4,096
61.19.32.0/20	Valid	NTPCL-THAPNIC	Thailand	4,096

Only the first 500 prefixes are listed; address counts and geography use all prefixes.

/24 block profile

One square per /24: colour shows the risk type, shade how many addresses are flagged, stripes mark datacenter blocks. Click a square to see all 256 addresses.

/24s with data 40 / 1,137 （4%） · flagged 26

No risk flagsDatacenter (no flags)ProxyVPNAbuse / blocklistTorDarker = more flagged addresses; dashed = block screen only

122.154.0.0/168/256 with data · 8 flagged

114.131.0.0/165/256 with data · 1 flagged

61.7.192.0/184/64 with data · 3 flagged

110.78.64.0/203/16 with data · 0 flagged

61.19.96.0/192/32 with data · 1 flagged

202.129.0.0/192/32 with data · 2 flagged

122.155.128.0/202/16 with data · 2 flagged

61.19.160.0/191/32 with data · 0 flagged

122.155.192.0/191/32 with data · 1 flagged

61.19.32.0/201/16 with data · 1 flagged

61.19.144.0/201/16 with data · 1 flagged

61.19.224.0/201/16 with data · 0 flagged

Hover a square for its numbers; click to see all 256 addresses.

Each prefix shows its 64 /24s with the most data. Built daily from lookups, neighbour sampling, public lists and block screening.

IP reputation

IPs from this network that CleanIP has analysed: purity, abuse reports and the riskiest /24 blocks.

Purity distribution

85–100 7970–84 350–69 00–49 0

0.08%

Share of IPv4 reported or blocklisted

226

Listed IPs

Analysed IPs

Flagged = VPN, proxy, Tor or purity below 50. Samples come from user lookups and neighbour sampling, not every address in this network.

Geography

Where this network’s IPv4 addresses are located.

Thailand100.0%

Scope: Single country
In registered country: 100.0%

Estimated by sampling IPv4 ranges against a geolocation database.

Traffic observation

AS9931 · Last 7 days

Mobile vs. Desktop

Desktop76.4%Mobile23.6%

Bot vs. Human

Human71.7%Bot28.3%

Adoption & Usage

Adoption and usage of key protocols

Internet Protocol (IP) Version

IPv4> 99.9%IPv6< 0.1%

HTTP Version

HTTP/1.x

29.2%HTTP/2

44.0%HTTP/3

26.8%

HTTP vs. HTTPS

97.5% HTTPS (encrypted)

Plain HTTP 2.5%

TLS Version

TLS 1.0/1.1< 0.1%TLS 1.26.8%TLS 1.365.7%QUIC27.5%

Security & Attacks

Insights into network and application layer attack traffic

Layer 7 Attacks

GET

83.0%POST

14.5%HEAD

1.2%PUT

0.4%UNKNOWN

0.3%Other

0.6%

BGP Announcements

Hourly BGP route announcements over the last 7 days

3,662,483

7-day total

181,144

Hourly peak

Data: Cloudflare Radar, licensed under CC BY-NC 4.0

Activity

Hourly traffic over the last 7 days, normalized to this network’s peak.

Fairly flat around the clock, typical of server or hosting networks.

	00						06						12						18
Mon
Tue
Wed
Thu
Fri
Sat
Sun

Times in UTCLessMore

Peak hour: 02:00–03:00
Active hours: 24 hrs
Weekend vs weekday: Weekdays heavier
Busiest day: Tue

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BGP upstreams and neighbours

AS9931Standalone page

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WHOIS record

The registry’s record for this AS number: holder, status, dates and contacts.

Sources

Where the information on this page comes from and when it was updated.

Information	Source	Updated
Registered country	RIR daily delegation statistics	2026-10-20
Registered address & allocation date	RIR registration data (RDAP)	2026-07-24
Organization & company country	AS-to-organization data	2026-10-21
Network type	CleanIP ASN canon	2026-10-20
Exchanges & facilities	Operator self-reported interconnection data	2026-10-21
Announced prefixes & BGP neighbours	Public BGP routing data	2026-10-22
IPv4 geography	Geolocation database	—
RPKI validation	RPKI ROA validation data	2026-10-22
Rank & customer cone	CAIDA AS Rank	2026-10-01
Estimated users (APNIC)	APNIC Labs user estimates	2026-10-19
IP reputation	CleanIP lookups and neighbour sampling	—

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Multi-source cross-checks · In-house reputation data · Real data only