122.155.80.0/21

AS9931 · National Telecom Public Company Limited

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Summary

Country	Thailand
Domain	cattelecom.com
ASN	AS9931
Registry	APNIC
ID	CAT-BANGKOK

WHOIS Details

inetnum:        122.155.64.0 - 122.155.127.255
netname:        CAT-BANGKOK
descr:          CAT Telecom public company Ltd
country:        TH
admin-c:        IC174-AP
tech-c:         TC476-AP
abuse-c:        AN3307-AP
status:         ALLOCATED NON-PORTABLE
remarks:        spaming abus sent to [email protected]
notify:         [email protected]
mnt-by:         MAINT-NTPCL-TH
mnt-lower:      MAINT-NTPCL-TH
mnt-routes:     MAINT-NTPCL-TH
mnt-irt:        IRT-NTPCL-TH
last-modified:  2025-11-19T23:59:31Z
source:         APNIC

irt:            IRT-NTPCL-TH
address:        99 Chaengwattana Road, Thung Song Hong Subdistrict, Luk Si, Luksi Bangkok 10210
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        NTPC2-AP
tech-c:         NTPC2-AP
auth:           # Filtered
mnt-by:         MAINT-NTPCL-TH
last-modified:  2025-12-01T07:59:03Z
source:         APNIC

role:           ABUSE NTPCLTH
country:        ZZ
address:        99 Chaengwattana Road, Thung Song Hong Subdistrict, Luk Si, Luksi Bangkok 10210
phone:          +000000000
e-mail:         [email protected]
admin-c:        NTPC2-AP
tech-c:         NTPC2-AP
nic-hdl:        AN3307-AP
remarks:        Generated from irt object IRT-NTPCL-TH
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-19T01:51:42Z
source:         APNIC

person:         IP-network CAT Telecom
nic-hdl:        IC174-AP
e-mail:         [email protected]
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:         [email protected]
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

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	AS9931	CAT IDC Nonthaburi	8,192
122.155.192.0/19	AS9335	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
122.155.128.0/20	AS46071	CAT Telecom public company Ltd	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
122.155.54.0/24	AS9931	CAT Wireless 99 Chaeng Watthana Road Bangkok	256
122.155.66.0/24	AS9931	NT Corporate Services Group Allocated	256
122.155.74.0/24	AS9931	OHTL Public Co., Ltd.	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
122.155.87.102	writecode.dev	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

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

IP Address	ASN	Details
122.155.87.201	AS9931 National Telecom Public Company Limited	`0.72ms` from Bangkok, TH
122.155.86.1	AS136035 Department of Tourism	`1.60ms` from Bangkok, TH
122.155.84.251	AS9931 National Telecom Public Company Limited	`0.84ms` from Bangkok, TH
122.155.82.1	AS9931 National Telecom Public Company Limited	`1.29ms` from Bangkok, TH
122.155.80.66	AS9931 National Telecom Public Company Limited	`0.55ms` 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
128.239.47.149	AS11975 The College of William and Mary	`7.47ms` from Ashburn, US
3.102.166.117	AS16509 Amazon.com, Inc.	`0.47ms` from Auckland, NZ
18.165.178.37	AS16509 Amazon.com, Inc.	`0.65ms` from Bucharest, RO
138.185.191.69	AS262494 Virtex Telecom	`9.12ms` from Fortaleza, BR
152.70.174.37	AS31898 Oracle Corporation	`0.26ms` from Frankfurt am Main, DE
14.175.74.165	AS45899 VNPT Corp	`4.83ms` from Hanoi, VN
159.153.96.5	AS47791 Electronic Arts Limited	`0.41ms` from Helsinki, FI
103.35.85.165	AS153494 XRUI TECHNOLOGY LIMITED	`1.34ms` from Hong Kong, HK
202.63.127.21	AS17771 Southern Online Bio Technologies Ltd	`1.08ms` from Hyderabad, IN
46.161.217.149	AS62163 IP River Limited	`0.18ms` from London, GB
126.92.118.197	AS17676 SoftBank Corp.	`3.80ms` from Osaka, JP
201.131.169.37	AS61819 K L M SERVICOS DE TELECOMUNICACOES LTDA	`17.07ms` from Osasco, BR
88.174.2.149	AS12322 Free SAS	`11.41ms` from Paris, FR
91.164.56.37	AS12322 Free SAS	`16.21ms` from Paris, FR
23.218.23.229	AS16625 Akamai Technologies, Inc.	`0.39ms` from Paris, FR
86.218.240.69	AS3215 Orange S.A.	`10.97ms` from Paris, FR
72.94.191.101	AS701 Verizon Business	`1.93ms` from Philadelphia, US
58.141.38.101	AS10036 DLIVE	`3.83ms` from Seoul, KR
162.249.162.5	AS21949 Beanfield Technologies Inc.	`0.41ms` from Toronto, CA
216.251.159.37	AS14007 Skyway West	`0.46ms` from Vancouver, CA
69.255.75.149	AS7922 Comcast Cable Communications, LLC	`6.46ms` from Ashburn, US
96.113.197.197	AS7922 Comcast Cable Communications, LLC	`0.68ms` from Ashburn, US
40.143.190.5	AS17378 TierPoint, LLC	`0.93ms` from Chicago, US
23.211.175.69	AS16625 Akamai Technologies, Inc.	`0.14ms` from Copenhagen, DK
188.228.39.133	AS29695 Altibox AS	`5.48ms` from Copenhagen, DK

Traceroute

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

traceroute -a -n -q1 -m10 122.155.81.20

traceroute to 122.155.81.20 (122.155.81.20): 10 hops max, 52 byte packets

1 [AS15169] 64.233.174.23 187.327 ms

2 *

3 *

4 [AS38040] 203.190.250.176 232.987 ms

5 [AS9931] 202.47.236.57 226.082 ms

6 *

7 [AS9931] 202.47.235.241 226.314 ms

8 *

9 *

10 *

Measurement taken from

IPinfo ProbeNet in Toronto, CA

On December 6th 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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