141.216.64.0/18 CIDR Lookup — 16.4K IPs Owned…

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

Baseline (neutral) 65
Long-established allocation (36y) +6
Has a reverse-DNS (PTR) record +5
Trust score 76 / 100

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

Ranges inside 141.216.64.0/18

CIDR	IPs	Organization	ASN	Country
141.216.64.0/19	8.2K	University of Michigan - Flint	AS394769	US
141.216.96.0/19	8.2K	University of Michigan - Flint	AS394769	US

Geolocation

First 256 of 16,384 IP addresses in 141.216.64.0/18

141.216.64.0 141.216.64.1 141.216.64.2 141.216.64.3 141.216.64.4 141.216.64.5 141.216.64.6 141.216.64.7 141.216.64.8 141.216.64.9 141.216.64.10 141.216.64.11 141.216.64.12 141.216.64.13 141.216.64.14 141.216.64.15 141.216.64.16 141.216.64.17 141.216.64.18 141.216.64.19 141.216.64.20 141.216.64.21 141.216.64.22 141.216.64.23 141.216.64.24 141.216.64.25 141.216.64.26 141.216.64.27 141.216.64.28 141.216.64.29 141.216.64.30 141.216.64.31 141.216.64.32 141.216.64.33 141.216.64.34 141.216.64.35 141.216.64.36 141.216.64.37 141.216.64.38 141.216.64.39 141.216.64.40 141.216.64.41 141.216.64.42 141.216.64.43 141.216.64.44 141.216.64.45 141.216.64.46 141.216.64.47 141.216.64.48 141.216.64.49 141.216.64.50 141.216.64.51 141.216.64.52 141.216.64.53 141.216.64.54 141.216.64.55 141.216.64.56 141.216.64.57 141.216.64.58 141.216.64.59 141.216.64.60 141.216.64.61 141.216.64.62 141.216.64.63 141.216.64.64 141.216.64.65 141.216.64.66 141.216.64.67 141.216.64.68 141.216.64.69 141.216.64.70 141.216.64.71 141.216.64.72 141.216.64.73 141.216.64.74 141.216.64.75 141.216.64.76 141.216.64.77 141.216.64.78 141.216.64.79 141.216.64.80 141.216.64.81 141.216.64.82 141.216.64.83 141.216.64.84 141.216.64.85 141.216.64.86 141.216.64.87 141.216.64.88 141.216.64.89 141.216.64.90 141.216.64.91 141.216.64.92 141.216.64.93 141.216.64.94 141.216.64.95 141.216.64.96 141.216.64.97 141.216.64.98 141.216.64.99 141.216.64.100 141.216.64.101 141.216.64.102 141.216.64.103 141.216.64.104 141.216.64.105 141.216.64.106 141.216.64.107 141.216.64.108 141.216.64.109 141.216.64.110 141.216.64.111 141.216.64.112 141.216.64.113 141.216.64.114 141.216.64.115 141.216.64.116 141.216.64.117 141.216.64.118 141.216.64.119 141.216.64.120 141.216.64.121 141.216.64.122 141.216.64.123 141.216.64.124 141.216.64.125 141.216.64.126 141.216.64.127 141.216.64.128 141.216.64.129 141.216.64.130 141.216.64.131 141.216.64.132 141.216.64.133 141.216.64.134 141.216.64.135 141.216.64.136 141.216.64.137 141.216.64.138 141.216.64.139 141.216.64.140 141.216.64.141 141.216.64.142 141.216.64.143 141.216.64.144 141.216.64.145 141.216.64.146 141.216.64.147 141.216.64.148 141.216.64.149 141.216.64.150 141.216.64.151 141.216.64.152 141.216.64.153 141.216.64.154 141.216.64.155 141.216.64.156 141.216.64.157 141.216.64.158 141.216.64.159 141.216.64.160 141.216.64.161 141.216.64.162 141.216.64.163 141.216.64.164 141.216.64.165 141.216.64.166 141.216.64.167 141.216.64.168 141.216.64.169 141.216.64.170 141.216.64.171 141.216.64.172 141.216.64.173 141.216.64.174 141.216.64.175 141.216.64.176 141.216.64.177 141.216.64.178 141.216.64.179 141.216.64.180 141.216.64.181 141.216.64.182 141.216.64.183 141.216.64.184 141.216.64.185 141.216.64.186 141.216.64.187 141.216.64.188 141.216.64.189 141.216.64.190 141.216.64.191 141.216.64.192 141.216.64.193 141.216.64.194 141.216.64.195 141.216.64.196 141.216.64.197 141.216.64.198 141.216.64.199 141.216.64.200 141.216.64.201 141.216.64.202 141.216.64.203 141.216.64.204 141.216.64.205 141.216.64.206 141.216.64.207 141.216.64.208 141.216.64.209 141.216.64.210 141.216.64.211 141.216.64.212 141.216.64.213 141.216.64.214 141.216.64.215 141.216.64.216 141.216.64.217 141.216.64.218 141.216.64.219 141.216.64.220 141.216.64.221 141.216.64.222 141.216.64.223 141.216.64.224 141.216.64.225 141.216.64.226 141.216.64.227 141.216.64.228 141.216.64.229 141.216.64.230 141.216.64.231 141.216.64.232 141.216.64.233 141.216.64.234 141.216.64.235 141.216.64.236 141.216.64.237 141.216.64.238 141.216.64.239 141.216.64.240 141.216.64.241 141.216.64.242 141.216.64.243 141.216.64.244 141.216.64.245 141.216.64.246 141.216.64.247 141.216.64.248 141.216.64.249 141.216.64.250 141.216.64.251 141.216.64.252 141.216.64.253 141.216.64.254 141.216.64.255 + 16.1K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 141.216.0.0/16.

Announced prefix

141.216.0.0/16

Origin AS

AS394769

Announcement samples

7,650

Last seen

2026-07-23 12:35:46

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files.

Date	Event	From	To	RIR
2026-05-10	RIR Transfer	ripe	arin	arin

Frequently Asked Questions

What is 141.216.64.0/18?

141.216.64.0/18 is a CIDR network block containing 16,384 IPv4 addresses (from 141.216.64.0 to 141.216.127.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 141.216.64.0/18 network?

The 141.216.64.0/18 range is allocated to University of Michigan - Flint and announced via AS394769 from United States.