Autonomous System details

AS4651

National Telecom Public Company Limited  ·  ntplc.co.th

Thailand

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AS4651 – National Telecom Public Company Limited

Field Value
Country Thailand
Website ntplc.co.th
Hosted domains 1
IPv4 addresses 9,472
IPv6 addresses 79,230,580,365,903,567,258,400,000,000
ASN type ISP
Registry apnic
Allocated 30 years ago on Dec 27, 1995
Updated 5 months ago on Nov 20, 2025

IP Ranges

Netblock Company Num of IPs
122.155.244.0/22 CAT TELECOM Data Comm. Dept, Intrenet Office 1,024
61.19.0.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
61.19.1.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
61.19.2.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
61.19.4.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
61.19.7.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
61.19.9.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
61.19.14.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
66.114.56.0/24 CDNetworks Inc. 256
93.188.128.0/24 CDNetworks Inc. 256
93.188.129.0/24 CDNetworks Inc. 256
122.155.224.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
122.155.225.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
122.155.226.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
122.155.227.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
122.155.229.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
122.155.230.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
122.155.232.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
122.155.235.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
122.155.236.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
122.155.237.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
122.155.238.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
122.155.240.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
122.155.243.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
122.155.244.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256
148.253.59.0/24 CDNetworks Inc 256
163.171.105.0/24 CDNetworks Inc 256
163.171.106.0/24 CDNetworks Inc 256
163.171.108.0/24 CDNetworks Inc 256
163.171.120.0/24 CDNetworks Inc 256
163.171.121.0/24 CDNetworks Inc 256
174.35.3.0/24 CDNetworks Inc. 256
174.35.53.0/24 CDNetworks Inc. 256
185.27.231.0/24 CDNetworks Inc 256
202.47.253.0/24 CAT TELECOM Data Comm. Dept, Intrenet Office 256

Netblock Company
2001:c38::/32 National Telecom Public Company Limited
2001:c38:5000::/48 National Telecom Public Company Limited
2001:c38:5002::/48 National Telecom Public Company Limited
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WHOIS Details

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                                                ASHandle:       AS4651
                                                OrgID:          AS4651
                                                ASName:         AS4651
                                                ASNumber:       AS4651
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There is 1 domain name hosted across 1 IP address on this ASN.

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IP Address Domain Domains on this IP
122.155.237.241 ██████████ 1

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Hosted Domains API & Database

Peers

There are 928 peers for this ASN.

Peers Name
AS10010 TOKAI Communications Corporation
AS10094 Unified National Networks
AS10099 China Unicom Global
AS10111 Zeofast Network
AS10122 NETSTAR (SG) PTE. LTD.
AS10158 Kakao Corp
AS10282 GLOBAL ONE
AS1031 PEER 1031 LLC
AS10310 Yahoo Holdings Inc.
AS1101 IP-EEND BV
AS1103 SURF B.V.
AS11071 InfoWest
AS11320 LightEdge Solutions
AS1136 KPN B.V.
AS1140 Stichting Internet Domeinregistratie Nederland
AS11967 Hop179 OU
AS12297 Telecom Armenia AS
AS12301 Invitech ICT Services Kft.
AS12312 ecotel communication ag
AS12337 noris network AG
AS12389 PJSC Rostelecom
AS12400 Partner Communications Ltd.
AS12453 KraftCom Service GmbH
AS12491 Gilat Telecom Ltd.
AS12494 OOO Post ltd
AS12552 GlobalConnect AB
AS12578 SIA Tet
AS12611 R-KOM Regensburger Telekommunikationsgesellschaft mbH
AS12637 SEEWEB s.r.l.
AS1267 WIND TRE S.P.A.
AS12676 HKN GmbH
AS12684 SES ASTRA S.A.
AS12695 LLC Digital Network
AS12703 Pulsant (Scotland) Ltd
AS12713 OTEGlobe
AS1273 Vodafone Group PLC
AS12741 Netia SA
AS12779 IT.Gate S.p.A.
AS12857 Manage Now GmbH
AS12859 BIT BV
AS12912 T-Mobile Polska S.A.
AS12963 SCIENTIFIC-INDUSTRIAL FIRM VOLZ LIMITED LIABILITY COMPANY
AS12969 Vodafone Iceland
AS1299 Arelion Sweden AB
AS12993 Sabiedriba ar ierobezotu atbildibu DELSKA Latvia
AS13002 ISIX Communications LLP
AS13009 Redcentric Solutions Ltd
AS13030 Init7 (Switzerland) Ltd.
AS13045 htp GmbH
AS13058 serve-u - Buchholz und Suenderhauf GbR
AS13101 TNG Stadtnetz GmbH
AS131090 National Telecom Public Company Limited
AS131293 TOT Public Company Limited
AS131314 CBC Tech International Limited
AS131429 MOBIFONE Corporation
AS13150 CATO NETWORKS LTD
AS13194 Bite IP Network
AS13213 THG HOSTING LIMITED
AS132132 MyRepublic Ltd.
AS132139 VECLOUD LIMITED
AS132300 NIPA TECHNOLOGY CO., LTD
AS132337 Axclusive
AS13237 euNetworks GmbH
AS13249 PRIVATE JOINT STOCK COMPANY DATAGROUP
AS132602 Bangladesh Submarine Cable Company Limited (BSCCL)
AS13285 TalkTalk Communications Limited
AS133210 EN Technologies Pte Ltd
AS13335 Cloudflare, Inc.
AS133524 Global Technology Co., Ltd.
AS133613 MTel telecommunication company ltd.
AS133847 Anpple Tech Enterprise
AS134366 Cloud Computing HK Limited
AS134548 DXTL Tseung Kwan O Service
AS134823 Sky Digital Co., Ltd.
AS134835 Starry Network Limited
AS135063 POP NIX COMPANY LIMITED
AS135069 Feenix Communications Limited
AS135356 GOIP Secunet Limited
AS135391 AOFEI DATA INTERNATIONAL COMPANY LIMITED
AS135589 Internet Maekhong Network Company Limited
AS136106 PT. Mega Akses Persada
AS136523 COLODEE DIGITAL NETWORK CO.,LTD.
AS136557 Host Universal Pty Ltd
AS136744 DREAM POWER TECHNOLOGY LIMITED
AS136907 HUAWEI CLOUDS
AS137263 NETEASE HONG KONG LIMITED
AS137409 GSL Networks Pty LTD
AS137535 JT TELECOM INTERNATIONAL PTE.LTD.
AS137816 Cloud Net Technologies Limited
AS137897 PAN-LIAN TECHNOLOGY CO., LIMITED
AS138456 OceanBlue Cloud Technology Limited
AS138616 Sanuk Systems (Thailand) Co., Ltd
AS138915 Kaopu Cloud HK Limited
AS138997 Eons Data Communications Limited
AS139014 Next Route Company Limited
AS139341 ACE
AS139468 DC Communications Inc.
AS139591 National Telecom Public Company Limited
AS139620 MYANMAR TELECOMMUNICATION NETWORK PUBLIC COMPANY LIMITED
AS139831 DITO TELECOMMUNITY CORP.
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ASN API & Database

Upstreams

There are 12 upstreams for this ASN.

upstreams Name
AS1273 Vodafone Group PLC
AS1299 Arelion Sweden AB
AS174 Cogent Communications, LLC
AS2914 NTT America, Inc.
AS3356 Level 3 Parent, LLC
AS3491 PCCW Global (HK) Ltd.
AS4637 Telstra Global
AS4766 Korea Telecom
AS5511 Orange S.A.
AS6453 TATA COMMUNICATIONS (AMERICA) INC
AS6461 Zayo Bandwidth
AS6939 Hurricane Electric LLC
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ASN API & Database

Downstreams

There are 44 downstreams for this ASN.

Downstreams Name
AS1299 Arelion Sweden AB
AS131090 National Telecom Public Company Limited
AS131293 TOT Public Company Limited
AS132300 NIPA TECHNOLOGY CO., LTD
AS133524 Global Technology Co., Ltd.
AS135063 POP NIX COMPANY LIMITED
AS136523 COLODEE DIGITAL NETWORK CO.,LTD.
AS138616 Sanuk Systems (Thailand) Co., Ltd
AS139014 Next Route Company Limited
AS139341 ACE
AS139591 National Telecom Public Company Limited
AS139620 MYANMAR TELECOMMUNICATION NETWORK PUBLIC COMPANY LIMITED
AS140985 Global Innovative Solution Co., LTD
AS141419 CHINA MOBILE INTERNATIONAL (THAILAND) LTD.
AS14789 Cloudflare, Inc.
AS148997 KTB COMPUTER SERVICES COMPANY LIMITED
AS152127 OneAsia Data Center (BKK1) Company Limited
AS174 Cogent Communications, LLC
AS18409 Bank of Thailand, Bangkok, Thailand
AS20940 Akamai International B.V.
AS23884 Proen Corp Public Company Limited.
AS23969 TOT Public Company Limited
AS24187 KIRZ Service Provider
AS24429 Zhejiang Taobao Network Co.,Ltd
AS2914 NTT America, Inc.
AS3356 Level 3 Parent, LLC
AS3491 PCCW Global (HK) Ltd.
AS38328 Ministry of Finance
AS38450 Ministry of Infomation Communication Technology
AS38566 NTTCTNET
AS38794 UIH
AS45413 ServeNET Solution Limited Partnership
AS4618 Internet Thailand Company Limited
AS4621 UNINET-TH
AS4765 Pacific Internet Pte Ltd
AS54994 Meteverse Limited.
AS5511 Orange S.A.
AS55514 Electricity Generating Authority of Thailand (EGAT)
AS56067 453 Ladplacout Jorakhaebua
AS6453 TATA COMMUNICATIONS (AMERICA) INC
AS6461 Zayo Bandwidth
AS9335 National Telecom Public Company Limited
AS9835 Government Information Technology Services
AS9931 National Telecom Public Company Limited
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.
ASN API & Database

Pingable IPs

37 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
122.155.247.222 AS4651 National Telecom Public Company Limited 0.72ms from Bangkok, TH
163.171.120.83 AS4651 National Telecom Public Company Limited 0.78ms from Bangkok, TH
122.155.236.72 AS4651 National Telecom Public Company Limited 0.69ms from Bangkok, TH
122.155.232.26 AS4651 National Telecom Public Company Limited 0.85ms from Bangkok, TH
202.47.253.30 AS4651 National Telecom Public Company Limited 0.32ms from Bangkok, TH
174.35.3.229 AS4651 National Telecom Public Company Limited 0.25ms from Bangkok, TH
122.155.227.6 AS4651 National Telecom Public Company Limited 1.06ms from Bangkok, TH
163.171.121.14 AS4651 National Telecom Public Company Limited 0.77ms from Bangkok, TH
163.171.106.72 AS4651 National Telecom Public Company Limited 0.78ms from Bangkok, TH
61.19.0.2 AS4651 National Telecom Public Company Limited 0.30ms from Bangkok, TH
122.155.245.26 AS4651 National Telecom Public Company Limited 0.73ms from Bangkok, TH
122.155.225.74 AS4651 National Telecom Public Company Limited 0.24ms from Bangkok, TH
61.19.2.76 AS4651 National Telecom Public Company Limited 0.76ms from Bangkok, TH
122.155.229.14 AS4651 National Telecom Public Company Limited 0.91ms from Bangkok, TH
148.253.59.18 AS4651 National Telecom Public Company Limited 0.80ms from Bangkok, TH
2001:c38:5000:1ac::4651:2 AS4651 National Telecom Public Company Limited 0.45ms from Singapore, SG
122.155.244.64 AS4651 National Telecom Public Company Limited 0.72ms from Bangkok, TH
163.171.105.129 AS4651 National Telecom Public Company Limited 0.78ms from Bangkok, TH
122.155.238.129 AS4651 National Telecom Public Company Limited 0.27ms from Bangkok, TH
122.155.237.117 AS4651 National Telecom Public Company Limited 0.24ms from Bangkok, TH
174.35.53.17 AS4651 National Telecom Public Company Limited 0.24ms from Bangkok, TH
93.188.129.21 AS4651 National Telecom Public Company Limited 0.80ms from Bangkok, TH
122.155.230.142 AS4651 National Telecom Public Company Limited 0.81ms from Bangkok, TH
61.19.14.105 AS4651 National Telecom Public Company Limited 0.60ms from Bangkok, TH
61.19.9.250 AS4651 National Telecom Public Company Limited 0.37ms from Bangkok, TH

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
82.180.64.75 AS51978 WEMACOM Telekommunikation GmbH 8.34ms from Amsterdam, NL
71.207.181.27 AS7922 Comcast Cable Communications, LLC 6.74ms from Atlanta, US
97.184.179.251 AS6167 Verizon Business 10.94ms from Chicago, US
3.69.82.27 AS16509 Amazon.com, Inc. 0.19ms from Frankfurt am Main, DE
176.146.63.251 AS5410 Bouygues Telecom SA 6.84ms from Marseille, FR
2.32.168.59 AS30722 Fastweb SpA 2.62ms from Milan, IT
79.27.176.59 AS3269 Telecom Italia S.p.A. 3.46ms from Milan, IT
111.119.214.107 AS136907 HUAWEI CLOUDS 0.97ms from Singapore, SG
112.138.9.187 AS10010 TOKAI Communications Corporation 9.10ms from Tokyo, JP
216.118.206.11 AS3561 CenturyLink Communications, LLC 1.70ms from Chicago, US
34.27.116.139 AS396982 Google LLC 0.13ms from Council Bluffs, US
156.249.236.75 AS139880 OWGELS INTERNATIONAL CO., LIMITED 0.59ms from Hong Kong, HK
213.176.51.251 AS142578 E-Large (HongKong) 0.24ms from Los Angeles, US
76.111.241.43 AS7922 Comcast Cable Communications, LLC 4.90ms from Miami, US
80.249.151.251 AS50340 JSC Selectel 0.62ms from Moscow, RU
159.203.91.203 AS14061 DigitalOcean, LLC 0.31ms from New York City, US
126.25.66.139 AS17676 SoftBank Corp. 3.02ms from Osaka, JP
4.176.44.187 AS8075 Microsoft Corporation 0.34ms from Paris, FR
49.193.166.123 AS4804 Microplex PTY LTD 2.16ms from Perth, AU
94.19.121.187 AS35807 SkyNet Ltd. 0.42ms from Saint Petersburg, RU
201.155.141.59 AS8151 UNINET 7.16ms from Santiago de Queretaro, MX
36.239.163.43 AS3462 Data Communication Business Group 5.17ms from Taichung, TW
132.145.153.251 AS31898 Oracle Corporation 0.46ms from Ashburn, US
24.34.168.235 AS7922 Comcast Cable Communications, LLC 7.68ms from Boston, US
3.22.200.11 AS16509 Amazon.com, Inc. 0.15ms from Columbus, US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

$
traceroute -a -n -q1 -f4 122.155.237.220
traceroute to 122.155.237.220 (122.155.237.220): 64 hops max, 52 byte packets
4 [] 116.119.161.6 96.448 ms
5 *
6 *
7 [AS4651] 61.19.14.122 100.477 ms
8 [AS4651] 122.155.237.220 102.891 ms
Measurement taken from IPinfo ProbeNet in Kolkata, IN
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS4651 at robtex.

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