AS9931 — CAT-AP The Communication Authoity of Thailand, CAT
Network type: residential
AS9931 announces 121 IPv4 prefixes covering 278,015 addresses and 25 IPv6 prefixes.
About this network
The former CAT Telecom network, now part of Thailand's state-owned National Telecom (NT) after the 2021 TOT/CAT merger, carrying internet and gateway services.
What it's used for
- Fixed broadband and internet access for Thai consumers and businesses, plus international gateway capacity.
Notable
- An "eyeball"-facing network: addresses here include consumer home connections, not just servers.
- CAT Telecom was Thailand's international/data carrier; its services now sit inside National Telecom alongside the former TOT network.
Interesting
- CAT and TOT merged into NT in 2021; see the former TOT side at AS9737.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 61.7.192.0/23
- 61.7.195.0/24
- 61.7.196.0/22
- 61.7.200.0/21
- 61.7.208.0/20
- 61.7.224.0/19
- 61.19.17.0/24
- 61.19.18.0/23
- 61.19.20.0/22
- 61.19.24.0/21
- 61.19.32.0/20
- 61.19.48.0/21
- 61.19.56.0/22
- 61.19.64.0/18
- 61.19.144.0/20
- 61.19.160.0/19
- 61.19.192.0/21
- 61.19.200.0/22
- 61.19.205.0/24
- 61.19.206.0/23
- 61.19.208.0/21
- 61.19.216.0/22
- 61.19.220.0/23
- 61.19.223.0/24
- 61.19.224.0/24
- 61.19.226.0/23
- 61.19.228.0/22
- 61.19.232.0/21
- 61.19.253.0/24
- 61.19.254.0/23
- 110.78.0.0/21
- 110.78.9.0/24
- 110.78.10.0/23
- 110.78.12.0/22
- 110.78.16.0/21
- 110.78.24.0/24
- 110.78.26.0/23
- 110.78.28.0/24
- 110.78.30.0/23
- 110.78.32.0/19
- 110.78.64.0/18
- 114.131.0.0/16
- 122.154.0.0/19
- 122.154.32.0/20
- 122.154.48.0/23
- 122.154.51.0/24
- 122.154.52.0/22
- 122.154.56.0/22
- 122.154.62.0/23
- 122.154.64.0/20
- 122.154.80.0/23
- 122.154.83.0/24
- 122.154.84.0/22
- 122.154.88.0/21
- 122.154.96.0/20
- 122.154.112.0/23
- 122.154.114.0/24
- 122.154.116.0/22
- 122.154.120.0/21
- 122.154.128.0/22
- 122.154.132.0/24
- 122.154.134.0/23
- 122.154.136.0/21
- 122.154.144.0/21
- 122.154.152.0/24
- 122.154.154.0/23
- 122.154.156.0/22
- 122.154.160.0/19
- 122.154.192.0/18
- 122.155.32.0/20
- 122.155.48.0/22
- 122.155.52.0/23
- 122.155.54.0/24
- 122.155.56.0/21
- 122.155.65.0/24
- 122.155.66.0/23
- 122.155.68.0/22
- 122.155.72.0/21
- 122.155.80.0/22
- 122.155.84.0/23
- 122.155.87.0/24
- 122.155.88.0/21
- 122.155.96.0/22
- 122.155.104.0/21
- 122.155.112.0/22
- 122.155.116.0/23
- 122.155.119.0/24
- 122.155.128.0/22
- 122.155.132.0/23
- 122.155.134.0/24
- 122.155.136.0/22
- 122.155.140.0/26
- 122.155.140.64/29
- 122.155.140.72/30
- 122.155.140.76/31
- 122.155.140.79/32
- 122.155.140.80/28
- 122.155.140.96/27
- 122.155.140.128/25
- 122.155.141.0/24
and 46 more.
Upstream networks
Downstream networks
- AS135566 National Telecom Public Company Limited
- AS45575 Rajamangala University of Technology Srivijaya
- AS9335 National Telecom Public Company Limited
- AS38296 National Science and Technology Development Agency
- AS38293 Ministry of Foreign Affairs
- AS133947 Metropolitan Electricity Authority
- AS9464 Prince of Songkla University (Sritrang'NET)
- AS23900 Planet Online Laos, Internet Service Provider in LAO PDR
- AS45533 Comptroller General's Department
- AS140699 Royal Thai Army
- AS24393 The Secretariat of House of the Representive
- AS24060 KTB COMPUTER SERVICES COMPANY LIMITED
- AS132133 SB.Furniture House Co.,Ltd
- AS38228 Ministry Of Defence, Thailand
- AS141214 Geo-Informatics and Space Technology Development Agency
- AS137850 Mae Fah Luang University
- AS153746 T Net Network Company Limited
- AS134695 Mass Rapid Transit Authority of Thailand
- AS63972 88/28 Moo 4 Tiwanont Road Nonta-Buri Province 11000
- AS18252 National Telecom Public Company Limited
- AS136035 Department of Tourism
- AS135635 Tourism authority of Thailand
- AS38328 Ministry of Finance
- AS24190 The Stock Exchange of Thailand
- AS147300 T.H.NIC Co.,Ltd.
Adjacent networks
- AS4651 National Telecom Public Company Limited
- AS135566 National Telecom Public Company Limited
- AS24482 SG.GS
- AS45575 Rajamangala University of Technology Srivijaya
- AS9335 National Telecom Public Company Limited
- AS38040 TOT Public Company Limited
- AS23900 Planet Online Laos, Internet Service Provider in LAO PDR
- AS38296 National Science and Technology Development Agency
- AS38293 Ministry of Foreign Affairs
- AS133947 Metropolitan Electricity Authority
- AS9464 Prince of Songkla University (Sritrang'NET)
- AS45533 Comptroller General's Department
- AS140699 Royal Thai Army
- AS24393 The Secretariat of House of the Representive
- AS24060 KTB COMPUTER SERVICES COMPANY LIMITED
- AS132133 SB.Furniture House Co.,Ltd
- AS38228 Ministry Of Defence, Thailand
- AS141214 Geo-Informatics and Space Technology Development Agency
- AS137850 Mae Fah Luang University
- AS153746 T Net Network Company Limited
- AS134695 Mass Rapid Transit Authority of Thailand
- AS63972 88/28 Moo 4 Tiwanont Road Nonta-Buri Province 11000
- AS136035 Department of Tourism
- AS18252 National Telecom Public Company Limited
- AS135635 Tourism authority of Thailand
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IPv4
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IPv6
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IPv4 Prefixes
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Total Prefixes
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Unique /24s
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⚠ SUSPICIOUS PREFIX ANNOUNCEMENTS DETECTED