33.128.0.0/9 CIDR Lookup — 8.39M IPs Owned by…

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.

79/100

Moderate

How this score is built

Baseline (neutral) 65
Government allocation +8
Long-established allocation (35y) +6
Trust score 79 / 100

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

First 256 of 8,388,608 IP addresses in 33.128.0.0/9

33.128.0.0 33.128.0.1 33.128.0.2 33.128.0.3 33.128.0.4 33.128.0.5 33.128.0.6 33.128.0.7 33.128.0.8 33.128.0.9 33.128.0.10 33.128.0.11 33.128.0.12 33.128.0.13 33.128.0.14 33.128.0.15 33.128.0.16 33.128.0.17 33.128.0.18 33.128.0.19 33.128.0.20 33.128.0.21 33.128.0.22 33.128.0.23 33.128.0.24 33.128.0.25 33.128.0.26 33.128.0.27 33.128.0.28 33.128.0.29 33.128.0.30 33.128.0.31 33.128.0.32 33.128.0.33 33.128.0.34 33.128.0.35 33.128.0.36 33.128.0.37 33.128.0.38 33.128.0.39 33.128.0.40 33.128.0.41 33.128.0.42 33.128.0.43 33.128.0.44 33.128.0.45 33.128.0.46 33.128.0.47 33.128.0.48 33.128.0.49 33.128.0.50 33.128.0.51 33.128.0.52 33.128.0.53 33.128.0.54 33.128.0.55 33.128.0.56 33.128.0.57 33.128.0.58 33.128.0.59 33.128.0.60 33.128.0.61 33.128.0.62 33.128.0.63 33.128.0.64 33.128.0.65 33.128.0.66 33.128.0.67 33.128.0.68 33.128.0.69 33.128.0.70 33.128.0.71 33.128.0.72 33.128.0.73 33.128.0.74 33.128.0.75 33.128.0.76 33.128.0.77 33.128.0.78 33.128.0.79 33.128.0.80 33.128.0.81 33.128.0.82 33.128.0.83 33.128.0.84 33.128.0.85 33.128.0.86 33.128.0.87 33.128.0.88 33.128.0.89 33.128.0.90 33.128.0.91 33.128.0.92 33.128.0.93 33.128.0.94 33.128.0.95 33.128.0.96 33.128.0.97 33.128.0.98 33.128.0.99 33.128.0.100 33.128.0.101 33.128.0.102 33.128.0.103 33.128.0.104 33.128.0.105 33.128.0.106 33.128.0.107 33.128.0.108 33.128.0.109 33.128.0.110 33.128.0.111 33.128.0.112 33.128.0.113 33.128.0.114 33.128.0.115 33.128.0.116 33.128.0.117 33.128.0.118 33.128.0.119 33.128.0.120 33.128.0.121 33.128.0.122 33.128.0.123 33.128.0.124 33.128.0.125 33.128.0.126 33.128.0.127 33.128.0.128 33.128.0.129 33.128.0.130 33.128.0.131 33.128.0.132 33.128.0.133 33.128.0.134 33.128.0.135 33.128.0.136 33.128.0.137 33.128.0.138 33.128.0.139 33.128.0.140 33.128.0.141 33.128.0.142 33.128.0.143 33.128.0.144 33.128.0.145 33.128.0.146 33.128.0.147 33.128.0.148 33.128.0.149 33.128.0.150 33.128.0.151 33.128.0.152 33.128.0.153 33.128.0.154 33.128.0.155 33.128.0.156 33.128.0.157 33.128.0.158 33.128.0.159 33.128.0.160 33.128.0.161 33.128.0.162 33.128.0.163 33.128.0.164 33.128.0.165 33.128.0.166 33.128.0.167 33.128.0.168 33.128.0.169 33.128.0.170 33.128.0.171 33.128.0.172 33.128.0.173 33.128.0.174 33.128.0.175 33.128.0.176 33.128.0.177 33.128.0.178 33.128.0.179 33.128.0.180 33.128.0.181 33.128.0.182 33.128.0.183 33.128.0.184 33.128.0.185 33.128.0.186 33.128.0.187 33.128.0.188 33.128.0.189 33.128.0.190 33.128.0.191 33.128.0.192 33.128.0.193 33.128.0.194 33.128.0.195 33.128.0.196 33.128.0.197 33.128.0.198 33.128.0.199 33.128.0.200 33.128.0.201 33.128.0.202 33.128.0.203 33.128.0.204 33.128.0.205 33.128.0.206 33.128.0.207 33.128.0.208 33.128.0.209 33.128.0.210 33.128.0.211 33.128.0.212 33.128.0.213 33.128.0.214 33.128.0.215 33.128.0.216 33.128.0.217 33.128.0.218 33.128.0.219 33.128.0.220 33.128.0.221 33.128.0.222 33.128.0.223 33.128.0.224 33.128.0.225 33.128.0.226 33.128.0.227 33.128.0.228 33.128.0.229 33.128.0.230 33.128.0.231 33.128.0.232 33.128.0.233 33.128.0.234 33.128.0.235 33.128.0.236 33.128.0.237 33.128.0.238 33.128.0.239 33.128.0.240 33.128.0.241 33.128.0.242 33.128.0.243 33.128.0.244 33.128.0.245 33.128.0.246 33.128.0.247 33.128.0.248 33.128.0.249 33.128.0.250 33.128.0.251 33.128.0.252 33.128.0.253 33.128.0.254 33.128.0.255 + 8.39M more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 33.0.0.0/8.

Announced prefix

33.0.0.0/8

Origin AS

AS749

Announcement samples

23,519

Last seen

2026-10-14 05:10:49

Frequently Asked Questions

What is 33.128.0.0/9?

33.128.0.0/9 is a CIDR network block containing 8,388,608 IPv4 addresses (from 33.128.0.0 to 33.255.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 33.128.0.0/9 network?

The 33.128.0.0/9 range is allocated to United States Department of Defense DoD and announced via AS749 from United States.