Home ASN LookupAS9931

AS9931 NTPCL-AS-AP - National Telecom Public Company Limited

🇹🇭

Org handle: ORG-NTPC1-AP

National Telecom Public Company Limited

APNICallocated

Announced Prefixes (BGP)

797total

634 IPv4163 IPv6

IPv4 Addresses

Allocated (RIR)226,304

Announced (BGP)665,600

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)1.6×10²⁸

Prefix Limit (IPv4)

2,000

Prefix Limit (IPv6)

500

Country

🇹🇭 TH

RIR

APNIC

Status

allocated

Allocated

2000-04-05

Routing hygiene

Score 10/100 · Low risk

RPKI ROA coverage

100%

no RPKI invalid prefixes

IRR route objects

100%

no origin mismatches

Hijack signals

0 announced against others' ROAs, 2 own announced by others

Upstreams

diversity 1/100

Routes concentrated on one upstream (100% of routes)

Based on 797 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained

Announced Prefixes

(BGP)797

Prefix	RPKI	IRR	Last Seen
45.157.88.0/22	Valid	APNIC	-
61.7.192.0/18	Valid	APNICOther IRR	-
61.7.192.0/21	Valid	APNICOther IRR	-
61.7.192.0/24	Valid	APNICOther IRR	-
61.7.195.0/24	Valid	APNICOther IRR	-
61.7.196.0/24	Valid	APNICOther IRR	-
61.7.197.0/24	Valid	APNICOther IRR	-
61.7.198.0/24	Valid	APNICOther IRR	-
61.7.199.0/24	Valid	APNICOther IRR	-
61.7.208.0/21	Valid	APNICOther IRR	-

1-10 of 797

1 / 80

Allocated Prefixes

(RIR)99

Prefix	Country	RIR	Status
45.157.88.0/22	🇹🇭 TH	APNIC	allocated
61.7.192.0/18	🇹🇭 TH	APNIC	assigned
61.7.222.0/23	🇹🇭 TH	APNIC	assigned
61.19.20.0/22	🇹🇭 TH	APNIC	assigned
61.19.24.0/22	🇹🇭 TH	APNIC	assigned
61.19.28.0/22	🇹🇭 TH	APNIC	assigned
61.19.32.0/22	🇹🇭 TH	APNIC	assigned
61.19.44.0/22	🇹🇭 TH	APNIC	assigned
61.19.52.0/22	🇹🇭 TH	APNIC	assigned
61.19.57.0/24	🇹🇭 TH	APNIC	assigned

1-10 of 99

1 / 10

All 797 announced prefixes of AS9931 →

Downstream Customers(1)

ASN	Name
AS18356	🇹🇭AWARE-AS-AP - Aware Corporation Autonomous System

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS9931 hands its own prefixes to: transit providers, or peers at an exchange.

AS4651National Telecom Public Company Limited795
AS24482SG.GS2

Downstreams (49)

Networks whose own prefixes AS9931 passes on: usually its customers.

AS9335National Telecom Public Company Limited73
AS135566National Telecom Public Company Limited55
AS38293Ministry Of Foreign Affairs7
AS38296National Science And Technology Development Agency7
AS133947Metropolitan Electricity Authority7
AS23900Planet Online Laos, Internet Service Provider In LAO PDR6
AS140699Royal Thai Army5
AS24060KTB COMPUTER SERVICES COMPANY LIMITED4
AS24393The Secretariat Of House Of The Representive4
AS9464Prince Of Songkla University (Sritrang'NET)3
AS38228Ministry Of Defence, Thailand3
AS45533Comptroller General'S Department3
AS45806Siam Commercial Bank3
AS6397288/28 Moo 4 Tiwanont Road Nonta Buri Province 110003
AS132133SB.Furniture House3
AS134695Mass Rapid Transit Authority Of Thailand3
AS137850Mae Fah Luang University3
AS141214Geo Informatics And Space Technology Development Agency3
AS154803Office Of The Permanent Secretary For Defence3
AS9649Information Technology Office2
AS18252National Telecom Public Company Limited2
AS24190The Stock Exchange Of Thailand2
AS38328Ministry Of Finance2
AS45575Rajamangala University Of Technology Srivijaya2
AS134565National Telecom Public Company Limited2
AS134811Treasury Department2
AS136035Department Of Tourism2
AS137058Aeronautical Radio Of Thailand2
AS141692PTT Global Chemical Public Company Limited2
AS147300T.H.NIC2
AS72Schlumberger Limited1
AS7715GSB1
AS7862Chevron Corporation1
AS17468True Internet1
AS18197TOYOTA MOTOR ASIA PACIFIC Engineering And Manufacturing1
AS18356Aware Corporation Autonomous System1
AS24042Bangkok Airways1
AS24328Yala Rajabhat University Education1
AS38265Sisaket Rajabhat University1
AS46071Pioneer Elabs1
AS131089National Telecom Public Company Limited1
AS135616Name: Thaksin University1
AS135635Tourism Authority Of Thailand1
AS140618Silpakorn University1
AS150716AP Network Communication1
AS152130SOMAPA IT1
AS152463National Telecom Public Company Limited1
AS153746T Net Network Company Limited1
AS206614TABOOLA O Taboola.Com1

Other adjacent networks (3)

Adjacent to AS9931 in the transit part of AS paths: peers, providers or customers.

AS24187KIRZ Service Provider2
AS8674NETNOD IX Netnod AB1
AS38040TOT Public Company Limited1

ASPA

No ASPA0 upstreams, 1 downstream

Listed as Upstream Provider by

1 ASN

View full ASPA details →

External Links

APNIC Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
How to run an ASPA checkVerify the upstream providers listed above
IPv4 transfers in the APNIC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/9931

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/9931" | jq