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CIDR Range

66.141.112.0/21

2.0K IPs /21 AT&T Enterprises, LLC AS7018 United States ARIN
Addresses
2,048
2.0K
IP Range
66.141.112.0
→ 66.141.119.255
Sub-ranges
2+
within this block
PTR Density
99.4%
2.0K of 2.0K 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 66.141.112.0/21

CIDRIPsOrganizationASNCountry
66.141.112.0/22 1.0K AT&T Enterprises, LLC AS7018 US
66.141.116.0/22 1.0K AT&T Enterprises, LLC AS7018 US

Geolocation

First 256 of 2,048 IP addresses in 66.141.112.0/21

66.141.112.0 66.141.112.1 66.141.112.2 66.141.112.3 66.141.112.4 66.141.112.5 66.141.112.6 66.141.112.7 66.141.112.8 66.141.112.9 66.141.112.10 66.141.112.11 66.141.112.12 66.141.112.13 66.141.112.14 66.141.112.15 66.141.112.16 66.141.112.17 66.141.112.18 66.141.112.19 66.141.112.20 66.141.112.21 66.141.112.22 66.141.112.23 66.141.112.24 66.141.112.25 66.141.112.26 66.141.112.27 66.141.112.28 66.141.112.29 66.141.112.30 66.141.112.31 66.141.112.32 66.141.112.33 66.141.112.34 66.141.112.35 66.141.112.36 66.141.112.37 66.141.112.38 66.141.112.39 66.141.112.40 66.141.112.41 66.141.112.42 66.141.112.43 66.141.112.44 66.141.112.45 66.141.112.46 66.141.112.47 66.141.112.48 66.141.112.49 66.141.112.50 66.141.112.51 66.141.112.52 66.141.112.53 66.141.112.54 66.141.112.55 66.141.112.56 66.141.112.57 66.141.112.58 66.141.112.59 66.141.112.60 66.141.112.61 66.141.112.62 66.141.112.63 66.141.112.64 66.141.112.65 66.141.112.66 66.141.112.67 66.141.112.68 66.141.112.69 66.141.112.70 66.141.112.71 66.141.112.72 66.141.112.73 66.141.112.74 66.141.112.75 66.141.112.76 66.141.112.77 66.141.112.78 66.141.112.79 66.141.112.80 66.141.112.81 66.141.112.82 66.141.112.83 66.141.112.84 66.141.112.85 66.141.112.86 66.141.112.87 66.141.112.88 66.141.112.89 66.141.112.90 66.141.112.91 66.141.112.92 66.141.112.93 66.141.112.94 66.141.112.95 66.141.112.96 66.141.112.97 66.141.112.98 66.141.112.99 66.141.112.100 66.141.112.101 66.141.112.102 66.141.112.103 66.141.112.104 66.141.112.105 66.141.112.106 66.141.112.107 66.141.112.108 66.141.112.109 66.141.112.110 66.141.112.111 66.141.112.112 66.141.112.113 66.141.112.114 66.141.112.115 66.141.112.116 66.141.112.117 66.141.112.118 66.141.112.119 66.141.112.120 66.141.112.121 66.141.112.122 66.141.112.123 66.141.112.124 66.141.112.125 66.141.112.126 66.141.112.127 66.141.112.128 66.141.112.129 66.141.112.130 66.141.112.131 66.141.112.132 66.141.112.133 66.141.112.134 66.141.112.135 66.141.112.136 66.141.112.137 66.141.112.138 66.141.112.139 66.141.112.140 66.141.112.141 66.141.112.142 66.141.112.143 66.141.112.144 66.141.112.145 66.141.112.146 66.141.112.147 66.141.112.148 66.141.112.149 66.141.112.150 66.141.112.151 66.141.112.152 66.141.112.153 66.141.112.154 66.141.112.155 66.141.112.156 66.141.112.157 66.141.112.158 66.141.112.159 66.141.112.160 66.141.112.161 66.141.112.162 66.141.112.163 66.141.112.164 66.141.112.165 66.141.112.166 66.141.112.167 66.141.112.168 66.141.112.169 66.141.112.170 66.141.112.171 66.141.112.172 66.141.112.173 66.141.112.174 66.141.112.175 66.141.112.176 66.141.112.177 66.141.112.178 66.141.112.179 66.141.112.180 66.141.112.181 66.141.112.182 66.141.112.183 66.141.112.184 66.141.112.185 66.141.112.186 66.141.112.187 66.141.112.188 66.141.112.189 66.141.112.190 66.141.112.191 66.141.112.192 66.141.112.193 66.141.112.194 66.141.112.195 66.141.112.196 66.141.112.197 66.141.112.198 66.141.112.199 66.141.112.200 66.141.112.201 66.141.112.202 66.141.112.203 66.141.112.204 66.141.112.205 66.141.112.206 66.141.112.207 66.141.112.208 66.141.112.209 66.141.112.210 66.141.112.211 66.141.112.212 66.141.112.213 66.141.112.214 66.141.112.215 66.141.112.216 66.141.112.217 66.141.112.218 66.141.112.219 66.141.112.220 66.141.112.221 66.141.112.222 66.141.112.223 66.141.112.224 66.141.112.225 66.141.112.226 66.141.112.227 66.141.112.228 66.141.112.229 66.141.112.230 66.141.112.231 66.141.112.232 66.141.112.233 66.141.112.234 66.141.112.235 66.141.112.236 66.141.112.237 66.141.112.238 66.141.112.239 66.141.112.240 66.141.112.241 66.141.112.242 66.141.112.243 66.141.112.244 66.141.112.245 66.141.112.246 66.141.112.247 66.141.112.248 66.141.112.249 66.141.112.250 66.141.112.251 66.141.112.252 66.141.112.253 66.141.112.254 66.141.112.255 + 1.8K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 66.136.0.0/13.

Announced prefix
66.136.0.0/13
Origin AS
AS7018
Announcement samples
3,792
Last seen
2026-07-23 17:48:47

Frequently Asked Questions

What is 66.141.112.0/21?

66.141.112.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 66.141.112.0 to 66.141.119.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 66.141.112.0/21 network?

The 66.141.112.0/21 range is allocated to AT&T Enterprises, LLC and announced via AS7018 from United States.

Last updated: 2026-07-23 18:55:31 UTC
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