| 61.0.0.0/8 | WHOIS (APNIC) | Asia Pacific Network Information Center, Pty. Ltd. | AU |
| 61.19.0.0/16 | WHOIS (APNIC) | National Telecom Public Company Limited | TH |
| 61.19.128.0/17 | APNIC assigned | — | TH |
| 61.19.160.0/19 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.160.0/19 | WHOIS (APNIC) | CAT TELECOM Data Comm. Dept, Intrenet Office | TH |
| 61.19.192.0/19 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.128.0/20 | BGP route | AS18252 National Telecom Public Company Limited | — |
| 61.19.128.0/20 | WHOIS (APNIC) | CAT TELECOM Data Comm. Dept, Intrenet Office | TH |
| 61.19.144.0/20 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.224.0/20 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.240.0/20 | BGP route | AS9335 National Telecom Public Company Limited | — |
| 61.19.240.0/20 | WHOIS (APNIC) | CAT TELECOM Data Comm. Dept, IDC Office | TH |
| 61.19.144.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.144.0/22 | WHOIS (APNIC) | 492 Changmai-Lumpang Road Muang changmai | TH |
| 61.19.180.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.192.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.192.0/22 | WHOIS (APNIC) | CAT-Central | TH |
| 61.19.196.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.196.0/22 | WHOIS (APNIC) | 492 Changmai-Lumpang Road Muang changmai | TH |
| 61.19.200.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.200.0/22 | WHOIS (APNIC) | 490/1 Petchakaserm Road Hadyai Songkhla 90110 | TH |
| 61.19.204.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.208.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.208.0/22 | WHOIS (APNIC) | 72 Charoenkrung Road Bangrak Bangkok THAILAND 10501 | TH |
| 61.19.212.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.212.0/22 | WHOIS (APNIC) | CAT-Northeast | TH |
| 61.19.232.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.236.0/22 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.236.0/22 | WHOIS (APNIC) | TC476-AP IC174-AP | TH |
| 61.19.148.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.148.0/23 | WHOIS (APNIC) | CAT-Northeast | TH |
| 61.19.150.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.152.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.152.0/23 | WHOIS (APNIC) | 490/1162 M.4 Petkhaserm road muang Rajburi 70000 | TH |
| 61.19.154.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.154.0/23 | WHOIS (APNIC) | 124 M.10 south-Pattaya Road banglamung Pattaya 20260 | TH |
| 61.19.156.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.156.0/23 | WHOIS (APNIC) | 525/9 Tumbon nakhonsawantok Muang Nakhonsawan 60000 | TH |
| 61.19.158.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.158.0/23 | WHOIS (APNIC) | CAT-Northeast | TH |
| 61.19.196.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.198.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.204.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.204.0/23 | WHOIS (APNIC) | CAT TELECOM Data Comm. Dept, Intrenet Office | TH |
| 61.19.206.0/23 | WHOIS (APNIC) | CAT TELECOM Data Comm. Dept, Intrenet Office | TH |
| 61.19.212.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.218.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.218.0/23 | WHOIS (APNIC) | CAT TELECOM Data Comm. Dept, Intrenet Office | TH |
| 61.19.226.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.228.0/23 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.228.0/23 | WHOIS (APNIC) | CAT TELECOM Data Comm. Dept, Intrenet Office | TH |
| 61.19.144.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.145.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.146.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.147.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.148.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.150.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.151.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.152.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.158.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.177.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.178.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.180.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.181.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.182.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.183.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.186.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.187.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.188.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.189.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.189.0/24 | WHOIS (APNIC) | Global Technology Co., Ltd. | MM |
| 61.19.190.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.191.0/24 | BGP route | AS9931 National Telecom Public Company Limited | — |
| 61.19.191.0/24 | WHOIS (APNIC) | Global Technology Co., Ltd. | MM |
| 61.19.195.0/24 | WHOIS (APNIC) | KAMPHAENG PHET RAJABHAT UNIVERSITY 69 M.1 NAKHONCHUM MUENG KAMPHAENG PHET 62000 | TH |
| 61.19.209.0/24 | WHOIS (APNIC) | Ministry of Natural Resources and Environment 49 Rama 6 Rd. , Phayathai , Bangkok THAILAND 10400 | TH |
| 61.19.210.0/24 | WHOIS (APNIC) | Cooperative Promotion Department for NT Corporate Intenet Services | TH |
| 61.19.211.0/24 | WHOIS (APNIC) | Asia Broadcasting Television Ltd. 1858/42-44, Bangna-Trad Road (Km. 4.5), Bangna Bangkok 10260 Tel +66-275-14055 | TH |
| 61.19.216.0/24 | WHOIS (APNIC) | CAT TELECOM Data Comm. Dept, Intrenet Office | TH |
| 61.19.217.0/24 | WHOIS (APNIC) | CAT TELECOM Data Comm. Dept, Intrenet Office | TH |
| 61.19.220.0/24 | WHOIS (APNIC) | CAT TELECOM Data Comm. Dept, Intrenet Office | TH |
| 61.19.222.0/24 | WHOIS (APNIC) | Government Saving Bank | TH |
| 61.19.223.0/24 | WHOIS (APNIC) | CAT TELECOM Data Comm. Dept, Intrenet Office | TH |
| 61.19.230.0/24 | WHOIS (APNIC) | CAT TELECOM Data Comm. Dept, Intrenet Office | TH |
| 61.19.239.0/24 | WHOIS (APNIC) | The Court of Justice 4th Floor Criminal Court Building Rachadapisek Rd., Jatujak Bangkok THAILAND 10900 | TH |
| 61.19.205.0/25 | WHOIS (APNIC) | TK PARK Centralworld 8thfl. zone D | TH |
| 61.19.205.128/25 | WHOIS (APNIC) | Port Authority of Thailand | TH |
| 61.19.219.128/25 | WHOIS (APNIC) | NHA-NET | TH |
| 61.19.220.128/25 | WHOIS (APNIC) | Sukhothai Thammathirat Open University | TH |
| 61.19.237.128/27 | WHOIS (APNIC) | Access Convergence Management Co.,Ltd (ACCOM) | TH |
| 61.19.196.128/28 | WHOIS (APNIC) | Yarinakharee college 492 Changmai-Lumpang Road Muang changmai | TH |
| 61.19.196.160/28 | WHOIS (APNIC) | CSL-NET | TH |
| 61.19.196.176/28 | WHOIS (APNIC) | NSL-NET | TH |
| 61.19.196.224/28 | WHOIS (APNIC) | PNC-NET | TH |
| 61.19.152.96/29 | WHOIS (APNIC) | CHENGTEH CHINAWARE(THAILAND) CO.,LTD 8 MOO 3 SONGPOL ROAD NONGOR | TH |
| 61.19.194.144/29 | WHOIS (APNIC) | Nurasuan University | TH |
| 61.19.196.152/29 | WHOIS (APNIC) | CSL-NET | TH |
| 61.19.145.164/30 | WHOIS (APNIC) | Nurasuan University | TH |
| 61.19.196.0/30 | WHOIS (APNIC) | Vaing-galon-school | TH |
| 61.19.196.4/30 | WHOIS (APNIC) | Doisaket-hp | TH |
| 61.19.196.8/30 | WHOIS (APNIC) | Ryellnakhalee 492 Changmai-Lumpang Road Muang changmai | TH |