122.155.129.0/24

AS9931 · The Communication Authoity of Thailand, CAT

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Summary

Country	Thailand
Domain	cattelecom.com
ASN	AS9931
Parent Range	122.155.128.0/20
Registry	APNIC
ID	CAT-NONTHABURI

WHOIS Details

inetnum:        122.155.128.0 - 122.155.143.255
netname:        CAT-Nonthaburi
descr:          CAT Telecom public company Ltd
country:        TH
admin-c:        IC174-AP
tech-c:         TC476-AP
abuse-c:        AC1657-AP
status:         ALLOCATED NON-PORTABLE
remarks:        spaming abus sent to admin-thix@cat.net.th
notify:         admin-thix@cat.net.th
mnt-by:         MAINT-TH-THIX-CAT
mnt-lower:      MAINT-TH-THIX-CAT
mnt-routes:     MAINT-TH-THIX-CAT
mnt-irt:        IRT-CAT-TH
last-modified:  2021-01-27T22:15:18Z
source:         APNIC

irt:            IRT-CAT-TH
address:        National Telecom Public Company Limited (CAT)
address:        NT Tower Bangkok Bangkok 10500
address:        Thailand
e-mail:         admin-thix@cat.net.th
abuse-mailbox:  admin-thix@cat.net.th
admin-c:        TC476-AP
tech-c:         IC174-AP
auth:           # Filtered
remarks:        admin-thix@cat.net.th was validated on 2025-07-16
mnt-by:         MAINT-TH-THIX-CAT
last-modified:  2025-09-03T04:45:53Z
source:         APNIC

role:           ABUSE CATTH
country:        ZZ
address:        National Telecom Public Company Limited (CAT)
address:        NT Tower Bangkok Bangkok 10500
address:        Thailand
phone:          +000000000
e-mail:         admin-thix@cat.net.th
admin-c:        TC476-AP
tech-c:         IC174-AP
nic-hdl:        AC1657-AP
remarks:        Generated from irt object IRT-CAT-TH
remarks:        admin-thix@cat.net.th was validated on 2025-07-16
abuse-mailbox:  admin-thix@cat.net.th
mnt-by:         APNIC-ABUSE
last-modified:  2025-07-16T04:41:14Z
source:         APNIC

person:         IP-network CAT Telecom
nic-hdl:        IC174-AP
e-mail:         noc@cat.net.th
address:        Data Comm. Dept. National Telecom Public Company Limited
address:        NT Tower
address:        72 Charoenkrung Road Bangrak Bangkok THAILAND 10501
phone:          +66-2-6142374
fax-no:         +66-2-6142270
country:        TH
mnt-by:         MAINT-TH-THIX-CAT
last-modified:  2022-09-05T09:44:01Z
source:         APNIC

person:         THIX network staff CAT Telecom
nic-hdl:        TC476-AP
e-mail:         admin-thix@cat.net.th
address:        Data Comm. Dept. National Telecom Public Company Limited
address:        NT Tower
address:        72 Charoenkrung Road Bangrak Bangkok THAILAND 10501
phone:          +66-2-6142374
fax-no:         +66-2-6142270
country:        TH
mnt-by:         MAINT-TH-THIX-CAT
last-modified:  2022-09-05T09:49:38Z
source:         APNIC

route:          122.155.128.0/20
origin:         AS9931
descr:          CAT Telecom Public Company Limited 13th CAT TELECOM TOWER NEW ROAD SRIPHRAYA BANGRAK BANGKOK THAILAND
mnt-by:         MAINT-TH-THIX-CAT
last-modified:  2024-07-30T03:29:55Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 122.155.129.0/24

Range	ASN	Company	Num of IPs
122.155.128.0/20	AS9931	CAT Telecom public company Ltd	4,096

Nearby Ranges

BGP prefixes that overlap with 122.155.0.0/16

Range	ASN	Company	Num of IPs
122.155.160.0/19	AS9335	CAT IDC2 14th floor CAT IDC2 14th floor(This space is statically assigned.)	8,192
122.155.192.0/19	AS9335	CAT IDC Nonthaburi	8,192
122.155.192.0/19	AS9931	CAT IDC Nonthaburi	8,192
122.155.16.0/20	AS9335	CAT TELECOM Data Comm. Dept, IDC Office	4,096
122.155.16.0/20	AS135566	CAT TELECOM Data Comm. Dept, IDC Office	4,096
122.155.0.0/20	AS9335	CAT TELECOM Data Comm. Dept, IDC Office	4,096
122.155.128.0/20	AS9931	CAT Telecom public company Ltd	4,096
122.155.144.0/21	AS9335	CAT Telehouse floor 4, 53/58 Village No. 8	2,048
122.155.40.0/23	AS9931	CAT Wireless 99 Moo 3 Chaeng Watthana Road Bangkok	512
122.155.49.0/24	AS9931	CAT Wireless 99 Moo 3 Chaeng Watthana Road Bangkok	256
122.155.55.0/24	AS9335	CAT Telecom public company Ltd	256
122.155.48.0/24	AS9931	CAT Wireless 99 Moo 3 Chaeng Watthana Road Bangkok	256

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
122.155.129.51	csn-noc.com	1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
122.155.129.97	AS9931 The Communication Authoity of Thailand, CAT	`1.81ms` 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
84.85.18.168	AS1136 KPN B.V.	`0.96ms` from Amsterdam, NL
58.244.203.200	AS4837 CHINA UNICOM China169 Backbone	`4.01ms` from Changchun, CN
93.102.139.136	AS2860 NOS COMUNICACOES, S.A.	`10.53ms` from Lisbon, PT
80.2.51.72	AS5089 Virgin Media Limited	`8.86ms` from London, GB
137.222.54.72	AS786 Jisc Services Limited	`5.87ms` from London, GB
198.7.132.168	AS36565 County of Montgomery	`0.73ms` from Philadelphia, US
185.153.193.104	AS61110 Sprava informacnich technologii mesta Plzne, p.o.	`2.29ms` from Prague, CZ
34.196.238.152	AS14618 Amazon.com, Inc.	`0.17ms` from Reston, US
185.68.195.152	AS207594 Connectivia S.r.l	`4.64ms` from Rome, IT
188.134.11.232	AS41733 JSC "ER-Telecom Holding"	`1.94ms` from Saint Petersburg, RU
206.238.68.8	AS399077 Tcloudnet	`1.10ms` from Singapore, SG
80.230.237.248	AS12400 Partner Communications Ltd.	`1.51ms` from Tel Aviv, IL
222.141.113.24	AS4837 CHINA UNICOM China169 Backbone	`5.89ms` from Zhengzhou, CN
92.97.41.120	AS5384 Emirates Internet	`2.60ms` from Al Fujairah City, AE
160.1.44.120	AS8987 Amazon Data Services Ireland Ltd	`0.71ms` from Boardman, US
63.178.240.24	AS16509 Amazon.com, Inc.	`0.46ms` from Frankfurt am Main, DE
88.250.244.8	AS9121 Turk Telekomunikasyon Anonim Sirketi	`3.80ms` from Istanbul, TR
172.232.218.168	AS63949 Akamai Connected Cloud	`0.23ms` from Milan, IT
177.22.48.168	AS52953 ZAP TCHE PROVEDOR DE INTERNET LTDA	`7.87ms` from Novo Hamburgo, BR
35.171.47.232	AS14618 Amazon.com, Inc.	`0.39ms` from Reston, US
38.247.116.184	AS55068 SMARTNET LLC	`0.32ms` from San Juan, PR
3.104.133.40	AS16509 Amazon.com, Inc.	`0.12ms` from Sydney, AU
57.180.248.200	AS16509 Amazon.com, Inc.	`0.19ms` from Tokyo, JP
124.126.35.200	AS4847 China Networks Inter-Exchange	`8.22ms` from Zhangjiakou, CN
85.74.228.88	AS6799 Ote SA (Hellenic Telecommunications Organisation)	`4.86ms` from Athens, GR

Traceroute

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

traceroute -a -n -q1 -f5 122.155.129.97

traceroute to 122.155.129.97 (122.155.129.97): 64 hops max, 52 byte packets

5 [AS64050] 61.19.60.99 3.54 ms

6 [AS9931] 202.47.235.173 1.219 ms

7 [AS9931] 202.47.236.86 1.693 ms

8 [AS9931] 202.47.235.82 2.437 ms

9 [AS9931] 122.155.129.97 1.752 ms

Measurement taken from

IPinfo ProbeNet in Bangkok, TH

On November 14th 2025

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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