Autonomous System details

AS139591

National Telecom Public Company Limited  ·  ntplc.co.th

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AS139591 – National Telecom Public Company Limited

Field Value
Country Thailand
Website ntplc.co.th
Hosted domains 6
IPv4 addresses 3,072
IPv6 addresses 1,208,925,819,614,629,200,000,000
ASN type ISP
Registry apnic
Allocated 3 years ago on Sep 05, 2023
Updated 5 months ago on Nov 20, 2025
Netblock Company Num of IPs
164.155.47.0/24 Sentrachem Limited 256
164.155.48.0/24 Sentrachem Limited 256
164.155.49.0/24 Sentrachem Limited 256
164.155.64.0/24 Sentrachem Limited 256
209.15.120.0/24 CAT TELECOM, CAT Cloud Dept, 99 Chaengwatthana Rd. Lak Si, Bangkok 10210 256
209.15.121.0/24 CAT TELECOM, CAT Cloud Dept, 99 Chaengwatthana Rd. Lak Si, Bangkok 10210 256
209.15.122.0/24 CAT TELECOM, CAT Cloud Dept, 99 Chaengwatthana Rd. Lak Si, Bangkok 10210 256
209.15.123.0/24 CAT TELECOM, CAT Cloud Dept, 99 Chaengwatthana Rd. Lak Si, Bangkok 10210 256
209.15.124.0/24 CAT TELECOM, CAT Cloud Dept, 99 Chaengwatthana Rd. Lak Si, Bangkok 10210 256
209.15.125.0/24 CAT TELECOM, CAT Cloud Dept, 99 Chaengwatthana Rd. Lak Si, Bangkok 10210 256
209.15.126.0/24 CAT TELECOM, CAT Cloud Dept, 99 Chaengwatthana Rd. Lak Si, Bangkok 10210 256
209.15.127.0/24 CAT TELECOM, CAT Cloud Dept, 99 Chaengwatthana Rd. Lak Si, Bangkok 10210 256

Netblock Company
2001:c38:1::/48 National Telecom Public Company Limited
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IP Ranges API

WHOIS Details


                                                ASHandle:       AS139591
                                                OrgID:          AS139591
                                                ASName:         AS139591
                                                ASNumber:       AS139591
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

                                            
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Hosted Domains

There are 6 domain names hosted across 5 IP addresses on this ASN.

IP Address Domain Domains on this IP
209.15.123.216 ██████████ 2
209.15.121.250 ██████████ 1
209.15.123.210 ██████████ 1
209.15.123.47 ██████████ 1
209.15.122.29 ██████████ 1

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Useful for Cybersecurity

Peers

There are 6 peers for this ASN.

Peers Name
AS21859 Zenlayer Inc
AS24482 SG.GS
AS4621 UNINET-TH
AS4651 National Telecom Public Company Limited
AS55554 True International Gateway Co., Ltd.
AS59238 Innovative Extremist Co., Ltd.
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.

Upstreams

There is 1 peer for this ASN.

upstreams Name
AS4651 National Telecom Public Company Limited
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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

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

IP Address ASN Details
209.15.123.210 AS139591 National Telecom Public Company Limited 1.63ms from Bangkok, TH
209.15.122.43 AS139591 National Telecom Public Company Limited 1.61ms from Bangkok, TH
209.15.121.246 AS139591 National Telecom Public Company Limited 2.39ms from Bangkok, TH
209.15.126.238 AS139591 National Telecom Public Company Limited 0.76ms from Bangkok, TH
164.155.47.253 AS139591 National Telecom Public Company Limited 0.73ms from Bangkok, TH
209.15.127.126 AS139591 National Telecom Public Company Limited 1.17ms from Bangkok, TH
209.15.120.16 AS139591 National Telecom Public Company Limited 2.16ms from Bangkok, TH
209.15.125.2 AS139591 National Telecom Public Company Limited 0.77ms from Bangkok, TH
164.155.64.70 AS139591 National Telecom Public Company Limited 0.87ms from Osaka, JP
2001:c38:1:9999::11 AS139591 National Telecom Public Company Limited 10.09ms from Vientiane, LA
209.15.124.1 AS139591 National Telecom Public Company Limited 1.65ms 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
12.97.218.199 AS7018 AT&T Enterprises, LLC 5.68ms from Atlanta, US
120.89.81.231 AS132255 PrimoWireless Ltd 1.85ms from Auckland, NZ
190.15.216.215 AS27879 Informática y Telecomunicaciones S.A. 15.30ms from Buenos Aires, AR
156.208.126.151 AS8452 TE-AS 5.17ms from Cairo, EG
205.133.211.7 AS600 OARnet 3.67ms from Columbus, US
173.249.49.215 AS51167 Contabo GmbH 0.23ms from Lauterbourg, FR
152.80.155.199 AS5264 United States Department of Defense (DoD) 18.67ms from Los Angeles, US
47.142.55.247 AS5650 Frontier Communications of America, Inc. 8.69ms from Los Angeles, US
212.222.159.103 AS3257 GTT Communications Inc. 0.98ms from Madrid, ES
20.114.94.103 AS8075 Microsoft Corporation 0.23ms from San Antonio, US
201.124.88.183 AS8151 UNINET 3.83ms from Santiago de Queretaro, MX
148.101.244.23 AS6400 Compañía Dominicana de Teléfonos S. A. 2.75ms from Santo Domingo, DO
180.229.128.199 AS17858 LG POWERCOMM 1.52ms from Seoul, KR
116.88.138.39 AS55430 Starhub Ltd 2.54ms from Singapore, SG
142.89.8.167 AS822 St. Joseph's Health Care, London 3.22ms from Toronto, CA
73.186.129.103 AS7922 Comcast Cable Communications, LLC 6.29ms from Boston, US
206.75.108.247 AS852 TELUS Communications Inc. 0.81ms from Calgary, CA
3.129.14.215 AS16509 Amazon.com, Inc. 0.96ms from Columbus, US
48.219.3.71 AS8075 Microsoft Corporation 0.79ms from Dallas, US
174.29.208.215 AS209 CenturyLink Communications, LLC 1.67ms from Denver, US
103.250.243.135 AS24226 Catalyst.Net Ltd 0.16ms from Hamilton, NZ
113.254.226.183 AS9304 HGC Global Communications Limited 1.86ms from Hong Kong, HK
90.74.119.23 AS12479 Orange Espagne SA 7.85ms from Madrid, ES
74.68.113.231 AS12271 Charter Communications Inc 3.91ms from New York City, US
60.143.19.119 AS17676 SoftBank Corp. 3.61ms from Osaka, JP

Traceroute

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

$
traceroute -a -n -q1 -f2 209.15.124.1
traceroute to 209.15.124.1 (209.15.124.1): 64 hops max, 52 byte packets
2 [AS21859] 128.1.35.230 336.347 ms
3 *
5 [AS64050] 61.19.60.152 1.343 ms
6 *
Measurement taken from IPinfo ProbeNet in Bangkok, TH
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 AS139591 at robtex.

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