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CIDR Range

91.109.0.0/20

4.1K IPs /20 United Kingdom RIPE
Addresses
4,096
4.1K
IP Range
91.109.0.0
→ 91.109.15.255
Sub-ranges
9+
within this block
PTR Density
52.0%
2.1K 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.

73/100
Moderate
How this score is built

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

Ranges inside 91.109.0.0/20

CIDRIPsOrganizationASNCountry
91.109.8.0/21 2.0K — — GB
91.109.8.0/21 2.0K — — DE
91.109.0.0/22 1.0K — — GB
91.109.0.0/22 1.0K — — DE
91.109.4.0/23 512 Heart Internet limited AS20738 GB
91.109.4.0/23 512 Heart Internet limited AS20738 DE
91.109.4.0/23 512 — — DE
91.109.6.0/23 512 — — GB
91.109.6.0/23 512 — — DE

First 256 of 4,096 IP addresses in 91.109.0.0/20

91.109.0.0 91.109.0.1 91.109.0.2 91.109.0.3 91.109.0.4 91.109.0.5 91.109.0.6 91.109.0.7 91.109.0.8 91.109.0.9 91.109.0.10 91.109.0.11 91.109.0.12 91.109.0.13 91.109.0.14 91.109.0.15 91.109.0.16 91.109.0.17 91.109.0.18 91.109.0.19 91.109.0.20 91.109.0.21 91.109.0.22 91.109.0.23 91.109.0.24 91.109.0.25 91.109.0.26 91.109.0.27 91.109.0.28 91.109.0.29 91.109.0.30 91.109.0.31 91.109.0.32 91.109.0.33 91.109.0.34 91.109.0.35 91.109.0.36 91.109.0.37 91.109.0.38 91.109.0.39 91.109.0.40 91.109.0.41 91.109.0.42 91.109.0.43 91.109.0.44 91.109.0.45 91.109.0.46 91.109.0.47 91.109.0.48 91.109.0.49 91.109.0.50 91.109.0.51 91.109.0.52 91.109.0.53 91.109.0.54 91.109.0.55 91.109.0.56 91.109.0.57 91.109.0.58 91.109.0.59 91.109.0.60 91.109.0.61 91.109.0.62 91.109.0.63 91.109.0.64 91.109.0.65 91.109.0.66 91.109.0.67 91.109.0.68 91.109.0.69 91.109.0.70 91.109.0.71 91.109.0.72 91.109.0.73 91.109.0.74 91.109.0.75 91.109.0.76 91.109.0.77 91.109.0.78 91.109.0.79 91.109.0.80 91.109.0.81 91.109.0.82 91.109.0.83 91.109.0.84 91.109.0.85 91.109.0.86 91.109.0.87 91.109.0.88 91.109.0.89 91.109.0.90 91.109.0.91 91.109.0.92 91.109.0.93 91.109.0.94 91.109.0.95 91.109.0.96 91.109.0.97 91.109.0.98 91.109.0.99 91.109.0.100 91.109.0.101 91.109.0.102 91.109.0.103 91.109.0.104 91.109.0.105 91.109.0.106 91.109.0.107 91.109.0.108 91.109.0.109 91.109.0.110 91.109.0.111 91.109.0.112 91.109.0.113 91.109.0.114 91.109.0.115 91.109.0.116 91.109.0.117 91.109.0.118 91.109.0.119 91.109.0.120 91.109.0.121 91.109.0.122 91.109.0.123 91.109.0.124 91.109.0.125 91.109.0.126 91.109.0.127 91.109.0.128 91.109.0.129 91.109.0.130 91.109.0.131 91.109.0.132 91.109.0.133 91.109.0.134 91.109.0.135 91.109.0.136 91.109.0.137 91.109.0.138 91.109.0.139 91.109.0.140 91.109.0.141 91.109.0.142 91.109.0.143 91.109.0.144 91.109.0.145 91.109.0.146 91.109.0.147 91.109.0.148 91.109.0.149 91.109.0.150 91.109.0.151 91.109.0.152 91.109.0.153 91.109.0.154 91.109.0.155 91.109.0.156 91.109.0.157 91.109.0.158 91.109.0.159 91.109.0.160 91.109.0.161 91.109.0.162 91.109.0.163 91.109.0.164 91.109.0.165 91.109.0.166 91.109.0.167 91.109.0.168 91.109.0.169 91.109.0.170 91.109.0.171 91.109.0.172 91.109.0.173 91.109.0.174 91.109.0.175 91.109.0.176 91.109.0.177 91.109.0.178 91.109.0.179 91.109.0.180 91.109.0.181 91.109.0.182 91.109.0.183 91.109.0.184 91.109.0.185 91.109.0.186 91.109.0.187 91.109.0.188 91.109.0.189 91.109.0.190 91.109.0.191 91.109.0.192 91.109.0.193 91.109.0.194 91.109.0.195 91.109.0.196 91.109.0.197 91.109.0.198 91.109.0.199 91.109.0.200 91.109.0.201 91.109.0.202 91.109.0.203 91.109.0.204 91.109.0.205 91.109.0.206 91.109.0.207 91.109.0.208 91.109.0.209 91.109.0.210 91.109.0.211 91.109.0.212 91.109.0.213 91.109.0.214 91.109.0.215 91.109.0.216 91.109.0.217 91.109.0.218 91.109.0.219 91.109.0.220 91.109.0.221 91.109.0.222 91.109.0.223 91.109.0.224 91.109.0.225 91.109.0.226 91.109.0.227 91.109.0.228 91.109.0.229 91.109.0.230 91.109.0.231 91.109.0.232 91.109.0.233 91.109.0.234 91.109.0.235 91.109.0.236 91.109.0.237 91.109.0.238 91.109.0.239 91.109.0.240 91.109.0.241 91.109.0.242 91.109.0.243 91.109.0.244 91.109.0.245 91.109.0.246 91.109.0.247 91.109.0.248 91.109.0.249 91.109.0.250 91.109.0.251 91.109.0.252 91.109.0.253 91.109.0.254 91.109.0.255 + 3.8K more (range too large to list inline)

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.

Date Event From To
2026-05-10 New Allocation — DE

Frequently Asked Questions

What is 91.109.0.0/20?

91.109.0.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 91.109.0.0 to 91.109.15.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 91.109.0.0/20 network?

The 91.109.0.0/20 range is allocated to an unknown organization from United Kingdom.

Last updated: 2026-10-13 14:24:04 UTC
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