HomeASN LookupAS4651

AS4651 NTPCL-AS-AP - National Telecom Public Company Limited

🇹🇭

Org handle: ORG-NTPC1-AP

National Telecom Public Company Limited

APNICallocated
Announced Prefixes (BGP)
39total
38 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)2,048
Announced (BGP)10,496
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)1.2×10²⁴
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
5
Country
🇹🇭 TH
RIR
APNIC
Status
allocated
Allocated
1995-12-27

Routing hygiene

Score 23/100 · Low risk
RPKI ROA coverage
79.5%
no RPKI invalid prefixes
IRR route objects
69.2%
10 prefixes registered for another origin
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
8
diversity 76/100
  • 4 prefixes registered in IRR route objects for another active network and not authorized by a ROA
  • 21% of announced prefixes (8 of 39) have no valid ROA
  • 31% of announced prefixes (12 of 39) have no IRR route object for this ASN

Based on 39 announced prefixes, updated daily (2026-10-21). How the score works · RPKI explained

Announced Prefixes

(BGP)39
|
Prefix
RPKI
IRR
Last Seen
61.19.0.0/24
 Valid
APNIC
2026-10-26
61.19.1.0/24
 Valid
APNIC
2026-10-26
61.19.2.0/24
 Valid
APNIC
2026-10-26
61.19.4.0/24
 Valid
APNIC
2026-10-26
61.19.7.0/24
 Valid
APNIC
2026-10-26
61.19.9.0/24
 Valid
APNIC
2026-10-26
61.19.14.0/24
 Valid
APNIC
2026-10-26
66.114.56.0/24
 Valid-2026-10-26
93.188.128.0/24
No ROA-2026-10-26
93.188.129.0/24
No ROA-2026-10-26
1-10 of 39
1 / 4

Allocated Prefixes

(RIR)8
Prefix
Country
RIR
Status
93.188.128.0/24🇬🇧 GBRIPEassigned
93.188.129.0/24🇳🇱 NLRIPEassigned
148.253.59.0/24🇹🇭 THRIPEassigned
163.171.105.0/24🇹🇭 THRIPEassigned
163.171.106.0/24🇹🇭 THRIPEassigned
163.171.108.0/24🇹🇭 THRIPEassigned
163.171.120.0/24🇹🇭 THRIPEassigned
163.171.121.0/24🇹🇭 THRIPEassigned

All 39 announced prefixes of AS4651 →

Downstream Customers(7)

ASNName
AS14789🇺🇸CLOUDFLARENET - Cloudflare, Inc.
AS24187🇹🇭KIRZ-AS-TH - KIRZ Service Provider
AS131447🇹🇭POP-IDC-TH - POPIDC powered by CSLoxinfo
AS133524🇲🇲GTCL-AS-AP - Global Technology Co., Ltd.
AS138616🇹🇭SANUK-AS-AP - Sanuk Systems (Thailand) Co., Ltd
AS139620🇲🇲MTNPCL-AS-AP - MYANMAR TELECOMMUNICATION NETWORK PUBLIC COMPANY LIMITED
AS141419🇭🇰CMI-THA-AS-AP - CHINA MOBILE INTERNATIONAL (THAILAND) LTD.

BGP Neighbours

(seen in AS paths)

Upstreams (9)

Networks AS4651 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS9583Sify Limited20
  • AS4766Korea Telecom17
  • AS6939Hurricane Electric15
  • AS30844LIQUID Telecommunications6
  • AS5511Opentransit Orange S.A2
  • AS34549MEER Meerfarbig & . KG2
  • AS1299TWELVE99 Arelion Sweden AB1
  • AS4637Telstra Global1
  • AS6453TATA COMMUNICATIONS (AMERICA)1

Downstreams (35)

Networks whose own prefixes AS4651 passes on: usually its customers.

  • AS23969TOT Public Company Limited1,252
  • AS9931National Telecom Public Company Limited775
  • AS131090National Telecom Public Company Limited680
  • AS4618Internet Thailand Company Limited203
  • AS23884Proen Public Company Limited138
  • AS131293TOT Public Company Limited132
  • AS9335National Telecom Public Company Limited80
  • AS38450Ministry Of Infomation Communication Technology28
  • AS4765Pacific Internet Pte25
  • AS24187KIRZ Service Provider18
  • AS139591National Telecom Public Company Limited18
  • AS132300NIPA TECHNOLOGY12
  • AS38794UIH11
  • AS55514Electricity Generating Authority Of Thailand (EGAT)11
  • AS54994Meteverse Limited10
  • AS24429Zhejiang Taobao Network8
  • AS4621UNINET TH6
  • AS38566NTTCTNET6
  • AS135063POP NIX COMPANY LIMITED6
  • AS45413ServeNET Solution Limited Partnership5
  • AS9835Government Information Technology Services3
  • AS38328Ministry Of Finance3
  • AS56067453 Ladplacout Jorakhaebua3
  • AS140985Global Innovative Solution3
  • AS152127OneAsia Data Center (BKK1) Company Limited3
  • AS14789Cloudflare2
  • AS18409Bank Of Thailand, Bangkok, Thailand2
  • AS20940AKAMAI ASN1 Akamai International B.V2
  • AS139014Next Route Company Limited2
  • AS139341ACE2
  • AS139620MYANMAR TELECOMMUNICATION NETWORK PUBLIC COMPANY LIMITED2
  • AS148997KTB COMPUTER SERVICES COMPANY LIMITED2
  • AS133524Global Technology1
  • AS136523COLODEE DIGITAL NETWORK1
  • AS141419CHINA MOBILE INTERNATIONAL (THAILAND)1

Other adjacent networks (19)

Adjacent to AS4651 in the transit part of AS paths: peers, providers or customers.

  • AS33891CORE BACKBONE Core Backbone1,327
  • AS174Cogent Communications596
  • AS6204ZET NET INTERKVM HOST232
  • AS38040TOT Public Company Limited160
  • AS45558MYANMA POSTS AND TELECOMMUNICATIONS62
  • AS3491PCCW Global (HK)60
  • AS2914NTT America57
  • AS24482SG.GS35
  • AS34177CELESTE SAS31
  • AS38082True International Gateway23
  • AS4230CLARO S.A18
  • AS1273IDDQD17
  • AS2497Internet Initiative Japan5
  • AS135589Internet Maekhong Network Company Limited5
  • AS37468Angola Cables Angola Cables3
  • AS20932SIG ST Services Industriels De Geneve2
  • AS151326DCConnect Communication Pte2
  • AS6797GLOBALCONNECT NET GlobalConnect AB1
  • AS7195EDGEUNO S.A.S1
ASPA
No ASPA0 upstreams, 7 downstreams
Listed as Upstream Provider by
7 ASNs
View full ASPA details →
External Links
APNIC WhoisRIPEstat

Learn more

API
Open
GEThttps://api.ipctl.io/v1/asn/4651

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

curl -s "https://api.ipctl.io/v1/asn/4651" | jq