| 122.0.0.0/7 | WHOIS (APNIC) | Asia Pacific Network Information Center, Pty. Ltd. | AU |
| 122.154.0.0/15 | WHOIS (APNIC) | National Telecom Public Company Limited | TH |
| 122.154.0.0/15 | APNIC assigned | — | TH |
| 122.154.0.0/16 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.128.0/17 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.64.0/18 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.155.64.0/18 | WHOIS (APNIC) | CAT Telecom public company Ltd | TH |
| 122.154.0.0/19 | WHOIS (APNIC) | CAT Telecom public company Ltd | TH |
| 122.154.32.0/19 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.32.0/19 | WHOIS (APNIC) | 490/1 Petchakaserm Road Hadyai Songkhla 90110 | TH |
| 122.154.64.0/19 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.64.0/19 | WHOIS (APNIC) | 490/1162 M.4 Petkhaserm road muang Rajburi 70000 | TH |
| 122.154.96.0/19 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.96.0/19 | WHOIS (APNIC) | 124 M.10 south-Pattaya Road banglamung Pattaya 20260 | TH |
| 122.154.128.0/19 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.128.0/19 | WHOIS (APNIC) | :: Corporate Internet NT Services :: | TH |
| 122.154.160.0/19 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.160.0/19 | WHOIS (APNIC) | 525/9 Tumbon nakhonsawantok Muang Nakhonsawan 60000 | TH |
| 122.154.224.0/19 | WHOIS (APNIC) | 492 Changmai-Lumpang Road Muang changmai 50000 | TH |
| 122.155.0.0/19 | BGP route | AS9335 National Telecom Public Company Limited | — |
| 122.155.160.0/19 | BGP route | AS9335 National Telecom Public Company Limited | — |
| 122.155.160.0/19 | WHOIS (APNIC) | CAT-IDC2-Service | TH |
| 122.155.192.0/19 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.155.192.0/19 | WHOIS (APNIC) | CAT IDC Nonthaburi | TH |
| 122.154.16.0/20 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.112.0/20 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.224.0/20 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.240.0/20 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.155.0.0/20 | BGP route | AS9335 National Telecom Public Company Limited | — |
| 122.155.0.0/20 | WHOIS (APNIC) | CAT TELECOM Data Comm. Dept, IDC Office | TH |
| 122.155.16.0/20 | BGP route | AS9335 National Telecom Public Company Limited | — |
| 122.155.16.0/20 | WHOIS (APNIC) | CAT TELECOM Data Comm. Dept, IDC Office | TH |
| 122.155.128.0/20 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.155.128.0/20 | WHOIS (APNIC) | CAT Telecom public company Ltd | TH |
| 122.155.224.0/20 | WHOIS (APNIC) | CAT TELECOM Data Comm. Dept, Intrenet Office | TH |
| 122.154.168.0/21 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.155.32.0/21 | WHOIS (APNIC) | CAT Wireless 99 Moo 3 Chaeng Watthana Road Bangkok | TH |
| 122.155.56.0/21 | WHOIS (APNIC) | CAT Wireless 99 Chaeng Watthana Road Bangkok | TH |
| 122.155.64.0/21 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.155.72.0/21 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.155.80.0/21 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.155.88.0/21 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.155.112.0/21 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.155.144.0/21 | BGP route | AS9335 National Telecom Public Company Limited | — |
| 122.155.144.0/21 | WHOIS (APNIC) | CAT Telehouse floor 4, 53/58 Village No. 8 | TH |
| 122.155.240.0/21 | WHOIS (APNIC) | CAT TELECOM Data Comm. Dept, Intrenet Office | TH |
| 122.155.248.0/21 | WHOIS (APNIC) | CAT TELECOM Data Comm. Dept, Intrenet Office | TH |
| 122.154.0.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.0.0/22 | WHOIS (APNIC) | HUACHIEW CHALERMPRAKIET UNIVERSITY | TH |
| 122.154.4.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.8.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.12.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.108.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.120.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.156.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.184.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.188.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.155.104.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.155.108.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.155.244.0/22 | BGP route | AS4651 National Telecom Public Company Limited | — |
| 122.154.14.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.32.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.36.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.38.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.40.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.42.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.46.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.48.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.60.0/23 | BGP route | AS9464 Prince of Songkla University | — |
| 122.154.72.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.80.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.86.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.100.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 122.154.122.0/23 | WHOIS (APNIC) | Sophon Brpadband Networks | TH |
| 122.154.242.0/23 | WHOIS (APNIC) | Global Technology Co., Ltd. | MM |
| 122.154.246.0/23 | WHOIS (APNIC) | Chiang Mai Rajabhat University | TH |
| 122.155.40.0/23 | WHOIS (APNIC) | CAT Wireless 99 Moo 3 Chaeng Watthana Road Bangkok | TH |
| 122.155.42.0/23 | WHOIS (APNIC) | CAT Wireless 99 Moo 3 Chaeng Watthana Road Bangkok | TH |
| 122.155.44.0/23 | WHOIS (APNIC) | CAT Wireless 99 Moo 3 Chaeng Watthana Road Bangkok | TH |
| 122.155.46.0/23 | WHOIS (APNIC) | CAT Wireless 99 Moo 3 Chaeng Watthana Road Bangkok | TH |
| 122.155.50.0/23 | WHOIS (APNIC) | CAT Wireless 99 Chaeng Watthana Road Bangkok | TH |
| 122.155.52.0/23 | WHOIS (APNIC) | CAT Wireless 99 Chaeng Watthana Road Bangkok | TH |
| 122.155.152.0/23 | WHOIS (APNIC) | CAT TELECOM Data Comm. Dept, Intrenet Office | TH |
| 122.154.10.0/24 | WHOIS (APNIC) | Thai Airways International Public Company Limited 89 Vibhavadee rangsit road Bangkok 10900 | TH |
| 122.154.12.0/24 | WHOIS (APNIC) | National Health Security Office 200 Mu 4 Jasmine International Tower 28th Fl., Chaeng Wattana Rd. Pakkret Nonthaburi 11120 | TH |
| 122.154.13.0/24 | WHOIS (APNIC) | Thailand Institute of Nuclear Technology (Public Orgnization) 9/9 Moo 7, Tambol Saimoon, Amphur Ongkharak Nakornnayok 26120 THAILAND | TH |
| 122.154.18.0/24 | WHOIS (APNIC) | Royal Irrigator Department 811 Samsen Road Dusit Bangkok Thailand 10300 | TH |
| 122.154.51.0/24 | WHOIS (APNIC) | NT Corporate Services Group Allocated | TH |
| 122.154.62.0/24 | WHOIS (APNIC) | Southen Border Provinces Administrative Centre 60 Sukayang Rd Yala 95000 | TH |
| 122.154.67.0/24 | WHOIS (APNIC) | ASEANSUMMIT2009 HuaHin Prachuabkirikan | TH |
| 122.154.69.0/24 | WHOIS (APNIC) | ASEANSUMMIT2009 HuaHin Prachuabkirikan | TH |
| 122.154.127.0/24 | WHOIS (APNIC) | NT Corporate Services Group Allocated | KH |
| 122.154.225.0/24 | WHOIS (APNIC) | Chiang rai Rajabhat University 80 M.9 Tambo Banduu , Amphur Muang , Chiangrai 57100 52000 | TH |
| 122.154.245.0/24 | WHOIS (APNIC) | Maejo University | TH |
| 122.155.48.0/24 | WHOIS (APNIC) | CAT Wireless 99 Moo 3 Chaeng Watthana Road Bangkok | TH |
| 122.155.49.0/24 | WHOIS (APNIC) | CAT Wireless 99 Moo 3 Chaeng Watthana Road Bangkok | TH |
| 122.155.54.0/24 | WHOIS (APNIC) | CAT Wireless 99 Chaeng Watthana Road Bangkok | TH |
| 122.155.55.0/24 | WHOIS (APNIC) | CAT Telecom public company Ltd | TH |
| 122.155.66.0/24 | WHOIS (APNIC) | NT Corporate Services Group Allocated | TH |
| 122.155.74.0/24 | WHOIS (APNIC) | OHTL Public Co., Ltd. | TH |
| 122.155.118.0/24 | WHOIS (APNIC) | NTPLC-TH | TH |