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CIDR Range

50.40.0.0/15

131.1K IPs /15 Frontier Communications of America, Inc. AS5650 United States ARIN
Addresses
131,072
131.1K
IP Range
50.40.0.0
→ 50.41.255.255
Sub-ranges
50+
within this block
PTR Density
100.0%
131.1K of 131.1K 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.

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 50.40.0.0/15

CIDRIPsOrganizationASNCountry
50.41.0.0/16 65.5K Frontier Communications of America, Inc. AS5650 US
50.40.0.0/17 32.8K Frontier Communications of America, Inc. AS5650 US
50.40.128.0/17 32.8K Frontier Communications of America, Inc. AS5650 US
50.41.128.0/17 32.8K Frontier Communications of America, Inc. AS5650 US
50.40.0.0/18 16.4K Frontier Communications of America, Inc. AS5650 US
50.40.192.0/18 16.4K Frontier Communications of America, Inc. AS5650 US
50.41.64.0/18 16.4K Frontier Communications of America, Inc. AS5650 US
50.41.32.0/19 8.2K Frontier Communications of America, Inc. AS5650 US
50.40.192.0/19 8.2K Frontier Communications of America, Inc. AS5650 US
50.40.0.0/19 8.2K Frontier Communications of America, Inc. AS5650 US
50.40.224.0/19 8.2K Frontier Communications of America, Inc. AS5650 US
50.41.64.0/19 8.2K Frontier Communications of America, Inc. AS5650 US
50.40.160.0/19 8.2K Frontier Communications of America, Inc. AS5650 US
50.41.160.0/19 8.2K Frontier Communications of America, Inc. AS5650 US
50.40.160.0/19 8.2K Frontier Communications of America, Inc. AS5650 US
50.40.32.0/19 8.2K Frontier Communications of America, Inc. AS5650 US
50.41.128.0/19 8.2K Frontier Communications of America, Inc. AS5650 US
50.41.192.0/19 8.2K Frontier Communications of America, Inc. AS5650 US
50.40.144.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.40.176.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.40.160.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.40.192.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.40.208.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.40.224.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.41.224.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.41.176.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.41.160.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.41.112.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.41.96.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.41.80.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.41.64.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.41.16.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.40.240.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.40.128.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.40.128.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.40.112.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.41.240.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.40.80.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.40.48.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.40.32.0/20 4.1K Frontier Communications of America, Inc. AS5650 US
50.40.152.0/21 2.0K Frontier Communications of America, Inc. AS5650 US
50.41.8.0/21 2.0K Frontier Communications of America, Inc. AS5650 US
50.40.64.0/21 2.0K Frontier Communications of America, Inc. AS5650 US
50.40.104.0/21 2.0K Frontier Communications of America, Inc. AS5650 US
50.40.76.0/22 1.0K Frontier Communications of America, Inc. AS5650 US
50.40.148.0/22 1.0K Frontier Communications of America, Inc. AS7011 US
50.40.100.0/22 1.0K Frontier Communications of America, Inc. AS5650 US
50.40.144.0/22 1.0K Frontier Communications of America, Inc. AS5650 US
50.41.0.0/22 1.0K Frontier Communications of America, Inc. AS5650 US
50.40.72.0/23 512 Frontier Communications of America, Inc. AS5650 US

First 256 of 131,072 IP addresses in 50.40.0.0/15

50.40.0.0 50.40.0.1 50.40.0.2 50.40.0.3 50.40.0.4 50.40.0.5 50.40.0.6 50.40.0.7 50.40.0.8 50.40.0.9 50.40.0.10 50.40.0.11 50.40.0.12 50.40.0.13 50.40.0.14 50.40.0.15 50.40.0.16 50.40.0.17 50.40.0.18 50.40.0.19 50.40.0.20 50.40.0.21 50.40.0.22 50.40.0.23 50.40.0.24 50.40.0.25 50.40.0.26 50.40.0.27 50.40.0.28 50.40.0.29 50.40.0.30 50.40.0.31 50.40.0.32 50.40.0.33 50.40.0.34 50.40.0.35 50.40.0.36 50.40.0.37 50.40.0.38 50.40.0.39 50.40.0.40 50.40.0.41 50.40.0.42 50.40.0.43 50.40.0.44 50.40.0.45 50.40.0.46 50.40.0.47 50.40.0.48 50.40.0.49 50.40.0.50 50.40.0.51 50.40.0.52 50.40.0.53 50.40.0.54 50.40.0.55 50.40.0.56 50.40.0.57 50.40.0.58 50.40.0.59 50.40.0.60 50.40.0.61 50.40.0.62 50.40.0.63 50.40.0.64 50.40.0.65 50.40.0.66 50.40.0.67 50.40.0.68 50.40.0.69 50.40.0.70 50.40.0.71 50.40.0.72 50.40.0.73 50.40.0.74 50.40.0.75 50.40.0.76 50.40.0.77 50.40.0.78 50.40.0.79 50.40.0.80 50.40.0.81 50.40.0.82 50.40.0.83 50.40.0.84 50.40.0.85 50.40.0.86 50.40.0.87 50.40.0.88 50.40.0.89 50.40.0.90 50.40.0.91 50.40.0.92 50.40.0.93 50.40.0.94 50.40.0.95 50.40.0.96 50.40.0.97 50.40.0.98 50.40.0.99 50.40.0.100 50.40.0.101 50.40.0.102 50.40.0.103 50.40.0.104 50.40.0.105 50.40.0.106 50.40.0.107 50.40.0.108 50.40.0.109 50.40.0.110 50.40.0.111 50.40.0.112 50.40.0.113 50.40.0.114 50.40.0.115 50.40.0.116 50.40.0.117 50.40.0.118 50.40.0.119 50.40.0.120 50.40.0.121 50.40.0.122 50.40.0.123 50.40.0.124 50.40.0.125 50.40.0.126 50.40.0.127 50.40.0.128 50.40.0.129 50.40.0.130 50.40.0.131 50.40.0.132 50.40.0.133 50.40.0.134 50.40.0.135 50.40.0.136 50.40.0.137 50.40.0.138 50.40.0.139 50.40.0.140 50.40.0.141 50.40.0.142 50.40.0.143 50.40.0.144 50.40.0.145 50.40.0.146 50.40.0.147 50.40.0.148 50.40.0.149 50.40.0.150 50.40.0.151 50.40.0.152 50.40.0.153 50.40.0.154 50.40.0.155 50.40.0.156 50.40.0.157 50.40.0.158 50.40.0.159 50.40.0.160 50.40.0.161 50.40.0.162 50.40.0.163 50.40.0.164 50.40.0.165 50.40.0.166 50.40.0.167 50.40.0.168 50.40.0.169 50.40.0.170 50.40.0.171 50.40.0.172 50.40.0.173 50.40.0.174 50.40.0.175 50.40.0.176 50.40.0.177 50.40.0.178 50.40.0.179 50.40.0.180 50.40.0.181 50.40.0.182 50.40.0.183 50.40.0.184 50.40.0.185 50.40.0.186 50.40.0.187 50.40.0.188 50.40.0.189 50.40.0.190 50.40.0.191 50.40.0.192 50.40.0.193 50.40.0.194 50.40.0.195 50.40.0.196 50.40.0.197 50.40.0.198 50.40.0.199 50.40.0.200 50.40.0.201 50.40.0.202 50.40.0.203 50.40.0.204 50.40.0.205 50.40.0.206 50.40.0.207 50.40.0.208 50.40.0.209 50.40.0.210 50.40.0.211 50.40.0.212 50.40.0.213 50.40.0.214 50.40.0.215 50.40.0.216 50.40.0.217 50.40.0.218 50.40.0.219 50.40.0.220 50.40.0.221 50.40.0.222 50.40.0.223 50.40.0.224 50.40.0.225 50.40.0.226 50.40.0.227 50.40.0.228 50.40.0.229 50.40.0.230 50.40.0.231 50.40.0.232 50.40.0.233 50.40.0.234 50.40.0.235 50.40.0.236 50.40.0.237 50.40.0.238 50.40.0.239 50.40.0.240 50.40.0.241 50.40.0.242 50.40.0.243 50.40.0.244 50.40.0.245 50.40.0.246 50.40.0.247 50.40.0.248 50.40.0.249 50.40.0.250 50.40.0.251 50.40.0.252 50.40.0.253 50.40.0.254 50.40.0.255 + 130.8K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

This block is announced in BGP, observed across our RIPE RIS collectors.

Announced prefix
50.40.0.0/15
Origin AS
AS5650
Announcement samples
2,849
Last seen
2026-07-18 11:59:21

RIR Ownership History

Atom feed ⇲

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

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

Frequently Asked Questions

What is 50.40.0.0/15?

50.40.0.0/15 is a CIDR network block containing 131,072 IPv4 addresses (from 50.40.0.0 to 50.41.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 50.40.0.0/15 network?

The 50.40.0.0/15 range is allocated to Frontier Communications of America, Inc. and announced via AS5650 from United States.

Last updated: 2026-07-18 12:25:31 UTC
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