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CIDR Range

101.51.64.0/18

16.4K IPs /18 Thailand APNIC
Addresses
16,384
16.4K
IP Range
101.51.64.0
→ 101.51.127.255
Sub-ranges
19+
within this block
PTR Density
100.0%
16.4K of 16.4K IPs have PTR

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

76/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 101.51.64.0/18

CIDRIPsOrganizationASNCountry
101.51.96.0/19 8.2K TOT Public Company Limited AS23969 TH
101.51.96.0/19 8.2K — AS23969 TH
101.51.112.0/20 4.1K — — TH
101.51.96.0/20 4.1K — — TH
101.51.80.0/20 4.1K — — TH
101.51.80.0/20 4.1K TOT Public Company Limited AS23969 TH
101.51.80.0/20 4.1K — AS23969 TH
101.51.104.0/21 2.0K — — TH
101.51.96.0/21 2.0K — — TH
101.51.72.0/21 2.0K — — TH
101.51.72.0/21 2.0K TOT Public Company Limited AS23969 TH
101.51.72.0/21 2.0K — AS23969 TH
101.51.64.0/21 2.0K — — TH
101.51.68.0/22 1.0K — — TH
101.51.68.0/22 1.0K TOT Public Company Limited AS23969 TH
101.51.68.0/22 1.0K — AS23969 TH
101.51.64.0/22 1.0K — — TH
101.51.64.0/22 1.0K Ministry of education AS23974 TH
101.51.64.0/22 1.0K — AS23974 TH

Geolocation

First 256 of 16,384 IP addresses in 101.51.64.0/18

101.51.64.0 101.51.64.1 101.51.64.2 101.51.64.3 101.51.64.4 101.51.64.5 101.51.64.6 101.51.64.7 101.51.64.8 101.51.64.9 101.51.64.10 101.51.64.11 101.51.64.12 101.51.64.13 101.51.64.14 101.51.64.15 101.51.64.16 101.51.64.17 101.51.64.18 101.51.64.19 101.51.64.20 101.51.64.21 101.51.64.22 101.51.64.23 101.51.64.24 101.51.64.25 101.51.64.26 101.51.64.27 101.51.64.28 101.51.64.29 101.51.64.30 101.51.64.31 101.51.64.32 101.51.64.33 101.51.64.34 101.51.64.35 101.51.64.36 101.51.64.37 101.51.64.38 101.51.64.39 101.51.64.40 101.51.64.41 101.51.64.42 101.51.64.43 101.51.64.44 101.51.64.45 101.51.64.46 101.51.64.47 101.51.64.48 101.51.64.49 101.51.64.50 101.51.64.51 101.51.64.52 101.51.64.53 101.51.64.54 101.51.64.55 101.51.64.56 101.51.64.57 101.51.64.58 101.51.64.59 101.51.64.60 101.51.64.61 101.51.64.62 101.51.64.63 101.51.64.64 101.51.64.65 101.51.64.66 101.51.64.67 101.51.64.68 101.51.64.69 101.51.64.70 101.51.64.71 101.51.64.72 101.51.64.73 101.51.64.74 101.51.64.75 101.51.64.76 101.51.64.77 101.51.64.78 101.51.64.79 101.51.64.80 101.51.64.81 101.51.64.82 101.51.64.83 101.51.64.84 101.51.64.85 101.51.64.86 101.51.64.87 101.51.64.88 101.51.64.89 101.51.64.90 101.51.64.91 101.51.64.92 101.51.64.93 101.51.64.94 101.51.64.95 101.51.64.96 101.51.64.97 101.51.64.98 101.51.64.99 101.51.64.100 101.51.64.101 101.51.64.102 101.51.64.103 101.51.64.104 101.51.64.105 101.51.64.106 101.51.64.107 101.51.64.108 101.51.64.109 101.51.64.110 101.51.64.111 101.51.64.112 101.51.64.113 101.51.64.114 101.51.64.115 101.51.64.116 101.51.64.117 101.51.64.118 101.51.64.119 101.51.64.120 101.51.64.121 101.51.64.122 101.51.64.123 101.51.64.124 101.51.64.125 101.51.64.126 101.51.64.127 101.51.64.128 101.51.64.129 101.51.64.130 101.51.64.131 101.51.64.132 101.51.64.133 101.51.64.134 101.51.64.135 101.51.64.136 101.51.64.137 101.51.64.138 101.51.64.139 101.51.64.140 101.51.64.141 101.51.64.142 101.51.64.143 101.51.64.144 101.51.64.145 101.51.64.146 101.51.64.147 101.51.64.148 101.51.64.149 101.51.64.150 101.51.64.151 101.51.64.152 101.51.64.153 101.51.64.154 101.51.64.155 101.51.64.156 101.51.64.157 101.51.64.158 101.51.64.159 101.51.64.160 101.51.64.161 101.51.64.162 101.51.64.163 101.51.64.164 101.51.64.165 101.51.64.166 101.51.64.167 101.51.64.168 101.51.64.169 101.51.64.170 101.51.64.171 101.51.64.172 101.51.64.173 101.51.64.174 101.51.64.175 101.51.64.176 101.51.64.177 101.51.64.178 101.51.64.179 101.51.64.180 101.51.64.181 101.51.64.182 101.51.64.183 101.51.64.184 101.51.64.185 101.51.64.186 101.51.64.187 101.51.64.188 101.51.64.189 101.51.64.190 101.51.64.191 101.51.64.192 101.51.64.193 101.51.64.194 101.51.64.195 101.51.64.196 101.51.64.197 101.51.64.198 101.51.64.199 101.51.64.200 101.51.64.201 101.51.64.202 101.51.64.203 101.51.64.204 101.51.64.205 101.51.64.206 101.51.64.207 101.51.64.208 101.51.64.209 101.51.64.210 101.51.64.211 101.51.64.212 101.51.64.213 101.51.64.214 101.51.64.215 101.51.64.216 101.51.64.217 101.51.64.218 101.51.64.219 101.51.64.220 101.51.64.221 101.51.64.222 101.51.64.223 101.51.64.224 101.51.64.225 101.51.64.226 101.51.64.227 101.51.64.228 101.51.64.229 101.51.64.230 101.51.64.231 101.51.64.232 101.51.64.233 101.51.64.234 101.51.64.235 101.51.64.236 101.51.64.237 101.51.64.238 101.51.64.239 101.51.64.240 101.51.64.241 101.51.64.242 101.51.64.243 101.51.64.244 101.51.64.245 101.51.64.246 101.51.64.247 101.51.64.248 101.51.64.249 101.51.64.250 101.51.64.251 101.51.64.252 101.51.64.253 101.51.64.254 101.51.64.255 + 16.1K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

This block is announced in BGP, observed across our RIPE RIS collectors.

Announced prefix
101.51.64.0/18
Origin AS
AS23969
Announcement samples
41,627
Last seen
2026-07-18 10:53:07

Frequently Asked Questions

What is 101.51.64.0/18?

101.51.64.0/18 is a CIDR network block containing 16,384 IPv4 addresses (from 101.51.64.0 to 101.51.127.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 101.51.64.0/18 network?

The 101.51.64.0/18 range is allocated to an unknown organization from Thailand.

Last updated: 2026-07-18 11:40:32 UTC
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