Home ASN LookupAS38040

AS38040 GLOBAL-TRANSIT-TOT-IIG-TH - TOT Public Company Limited

🇹🇭

Org handle: ORG-TPCL1-AP

TOT Public Company Limited

APNICallocated

Announced Prefixes (BGP)

33total

30 IPv43 IPv6

IPv4 Addresses

Allocated (RIR)512

Announced (BGP)23,552

IPv6 Addresses

Allocated (RIR)1.2×10²⁴

Announced (BGP)3.6×10²⁴

Prefix Limit (IPv4)

100

Prefix Limit (IPv6)

Country

🇹🇭 TH

RIR

APNIC

Status

allocated

Allocated

2006-05-30

Routing hygiene

Score 4/100 · Low risk

RPKI ROA coverage

100%

no RPKI invalid prefixes

IRR route objects

100%

no origin mismatches

Hijack signals

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

Upstreams

diversity 60/100

All announced prefixes have a valid ROA and a matching IRR route object

Based on 33 announced prefixes, updated daily (2026-10-27). How the score works · RPKI explained

Announced Prefixes

(BGP)33

Prefix	RPKI	IRR	Last Seen
23.35.150.0/23	Valid	ARIN	2026-10-27
23.53.16.0/20	Valid	ARIN	2026-10-27
23.193.220.0/22	Valid	ARIN	2026-10-27
23.194.32.0/19	Valid	ARIN	2026-10-27
23.200.136.0/22	Valid	ARIN	2026-10-27
23.209.240.0/21	Valid	ARIN	2026-10-27
45.64.76.0/24	Valid	APNICOther IRR	2026-10-27
45.64.77.0/24	Valid	APNICOther IRR	2026-10-27
45.64.78.0/24	Valid	APNICOther IRR	2026-10-27
45.64.79.0/24	Valid	APNIC	2026-10-27

1-10 of 33

1 / 4

Allocated Prefixes

(RIR)2

Prefix	Country	RIR	Status
203.153.50.0/23	🇹🇭 TH	APNIC	assigned
2001:df0:62::/48	🇹🇭 TH	APNIC	assigned

All 33 announced prefixes of AS38040 →

Downstream Customers(1)

ASN	Name
AS14789	🇺🇸CLOUDFLARENET - Cloudflare, Inc.

BGP Neighbours

(seen in AS paths)

Upstreams (8)

Networks AS38040 hands its own prefixes to: transit providers, or peers at an exchange.

AS6939Hurricane Electric20
AS6204ZET NET INTERKVM HOST4
AS2914NTT America2
AS23764CTGNet2
AS45430SBN IIG/AWN IIG Transit Provider2
AS58453China Mobile International Limited2
AS1299TWELVE99 Arelion Sweden AB1
AS9002RETN Limited1

Downstreams (14)

Networks whose own prefixes AS38040 passes on: usually its customers.

AS23969TOT Public Company Limited573
AS131293TOT Public Company Limited154
AS134166Internet Data Center Service32
AS54994Meteverse Limited28
AS38450Ministry Of Infomation Communication Technology4
AS38888Milcom ., . Internet Service Provider Bangkok4
AS14789Cloudflare2
AS4618Internet Thailand Company Limited1
AS4621UNINET TH1
AS9486King Mongkut'S Institute Of Technology Ladkrabang1
AS9931National Telecom Public Company Limited1
AS15695Expereo International BV1
AS17479Chiang Mai University1
AS58430TCC Technology1

Other adjacent networks (15)

Adjacent to AS38040 in the transit part of AS paths: peers, providers or customers.

AS4651National Telecom Public Company Limited160
AS174Cogent Communications62
AS6453TATA COMMUNICATIONS (AMERICA)8
AS2907Research Organization Of Information And Systems, National Institute Of Informatics7
AS6797GLOBALCONNECT NET GlobalConnect AB6
AS33891CORE BACKBONE Core Backbone6
AS24940HETZNER Online3
AS4637Telstra Global2
AS7195EDGEUNO S.A.S2
AS24482SG.GS2
AS34177CELESTE SAS2
AS60068CDN77 Datacamp Limited2
AS3356Level 3 Parent1
AS3491PCCW Global (HK)1
AS15802DU AS1 Emirates Integrated Telecommunications Company PJSC1

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/38040

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

curl -s "https://api.ipctl.io/v1/asn/38040" | jq