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CIDR Range

129.133.64.0/20

4.1K IPs /20 Wesleyan University AS167 United States ARIN
Addresses
4,096
4.1K
IP Range
129.133.64.0
→ 129.133.79.255
Sub-ranges
3+
within this block
PTR Density
0.0%
0 of 4.1K 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.

71/100
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 129.133.64.0/20

CIDRIPsOrganizationASNCountry
129.133.64.0/21 2.0K Wesleyan University AS167 US
129.133.72.0/22 1.0K Wesleyan University AS167 US
129.133.76.0/22 1.0K Wesleyan University AS167 US

Geolocation

First 256 of 4,096 IP addresses in 129.133.64.0/20

129.133.64.0 129.133.64.1 129.133.64.2 129.133.64.3 129.133.64.4 129.133.64.5 129.133.64.6 129.133.64.7 129.133.64.8 129.133.64.9 129.133.64.10 129.133.64.11 129.133.64.12 129.133.64.13 129.133.64.14 129.133.64.15 129.133.64.16 129.133.64.17 129.133.64.18 129.133.64.19 129.133.64.20 129.133.64.21 129.133.64.22 129.133.64.23 129.133.64.24 129.133.64.25 129.133.64.26 129.133.64.27 129.133.64.28 129.133.64.29 129.133.64.30 129.133.64.31 129.133.64.32 129.133.64.33 129.133.64.34 129.133.64.35 129.133.64.36 129.133.64.37 129.133.64.38 129.133.64.39 129.133.64.40 129.133.64.41 129.133.64.42 129.133.64.43 129.133.64.44 129.133.64.45 129.133.64.46 129.133.64.47 129.133.64.48 129.133.64.49 129.133.64.50 129.133.64.51 129.133.64.52 129.133.64.53 129.133.64.54 129.133.64.55 129.133.64.56 129.133.64.57 129.133.64.58 129.133.64.59 129.133.64.60 129.133.64.61 129.133.64.62 129.133.64.63 129.133.64.64 129.133.64.65 129.133.64.66 129.133.64.67 129.133.64.68 129.133.64.69 129.133.64.70 129.133.64.71 129.133.64.72 129.133.64.73 129.133.64.74 129.133.64.75 129.133.64.76 129.133.64.77 129.133.64.78 129.133.64.79 129.133.64.80 129.133.64.81 129.133.64.82 129.133.64.83 129.133.64.84 129.133.64.85 129.133.64.86 129.133.64.87 129.133.64.88 129.133.64.89 129.133.64.90 129.133.64.91 129.133.64.92 129.133.64.93 129.133.64.94 129.133.64.95 129.133.64.96 129.133.64.97 129.133.64.98 129.133.64.99 129.133.64.100 129.133.64.101 129.133.64.102 129.133.64.103 129.133.64.104 129.133.64.105 129.133.64.106 129.133.64.107 129.133.64.108 129.133.64.109 129.133.64.110 129.133.64.111 129.133.64.112 129.133.64.113 129.133.64.114 129.133.64.115 129.133.64.116 129.133.64.117 129.133.64.118 129.133.64.119 129.133.64.120 129.133.64.121 129.133.64.122 129.133.64.123 129.133.64.124 129.133.64.125 129.133.64.126 129.133.64.127 129.133.64.128 129.133.64.129 129.133.64.130 129.133.64.131 129.133.64.132 129.133.64.133 129.133.64.134 129.133.64.135 129.133.64.136 129.133.64.137 129.133.64.138 129.133.64.139 129.133.64.140 129.133.64.141 129.133.64.142 129.133.64.143 129.133.64.144 129.133.64.145 129.133.64.146 129.133.64.147 129.133.64.148 129.133.64.149 129.133.64.150 129.133.64.151 129.133.64.152 129.133.64.153 129.133.64.154 129.133.64.155 129.133.64.156 129.133.64.157 129.133.64.158 129.133.64.159 129.133.64.160 129.133.64.161 129.133.64.162 129.133.64.163 129.133.64.164 129.133.64.165 129.133.64.166 129.133.64.167 129.133.64.168 129.133.64.169 129.133.64.170 129.133.64.171 129.133.64.172 129.133.64.173 129.133.64.174 129.133.64.175 129.133.64.176 129.133.64.177 129.133.64.178 129.133.64.179 129.133.64.180 129.133.64.181 129.133.64.182 129.133.64.183 129.133.64.184 129.133.64.185 129.133.64.186 129.133.64.187 129.133.64.188 129.133.64.189 129.133.64.190 129.133.64.191 129.133.64.192 129.133.64.193 129.133.64.194 129.133.64.195 129.133.64.196 129.133.64.197 129.133.64.198 129.133.64.199 129.133.64.200 129.133.64.201 129.133.64.202 129.133.64.203 129.133.64.204 129.133.64.205 129.133.64.206 129.133.64.207 129.133.64.208 129.133.64.209 129.133.64.210 129.133.64.211 129.133.64.212 129.133.64.213 129.133.64.214 129.133.64.215 129.133.64.216 129.133.64.217 129.133.64.218 129.133.64.219 129.133.64.220 129.133.64.221 129.133.64.222 129.133.64.223 129.133.64.224 129.133.64.225 129.133.64.226 129.133.64.227 129.133.64.228 129.133.64.229 129.133.64.230 129.133.64.231 129.133.64.232 129.133.64.233 129.133.64.234 129.133.64.235 129.133.64.236 129.133.64.237 129.133.64.238 129.133.64.239 129.133.64.240 129.133.64.241 129.133.64.242 129.133.64.243 129.133.64.244 129.133.64.245 129.133.64.246 129.133.64.247 129.133.64.248 129.133.64.249 129.133.64.250 129.133.64.251 129.133.64.252 129.133.64.253 129.133.64.254 129.133.64.255 + 3.8K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 129.133.0.0/17.

Announced prefix
129.133.0.0/17
Origin AS
AS167
Announcement samples
9,469
Last seen
2026-07-23 13:34:16

Frequently Asked Questions

What is 129.133.64.0/20?

129.133.64.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 129.133.64.0 to 129.133.79.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 129.133.64.0/20 network?

The 129.133.64.0/20 range is allocated to Wesleyan University and announced via AS167 from United States.

Last updated: 2026-07-23 13:55:35 UTC
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