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CIDR Range

76.4.0.0/20

4.1K IPs /20 Brightspeed AS19901 United States ARIN
Addresses
4,096
4.1K
IP Range
76.4.0.0
→ 76.4.15.255
Sub-ranges
13+
within this block
PTR Density
100.0%
4.1K 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.

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 76.4.0.0/20

CIDRIPsOrganizationASNCountry
76.4.0.0/21 2.0K Brightspeed AS19901 US
76.4.12.0/22 1.0K Brightspeed AS19901 US
76.4.8.0/23 512 Brightspeed AS19901 US
76.4.11.0/24 256 Brightspeed AS19901 US
76.4.10.128/25 128 Brightspeed AS19901 US
76.4.10.64/26 64 Brightspeed AS19901 US
76.4.10.0/27 32 Brightspeed AS19901 US
76.4.10.48/28 16 Brightspeed AS19901 US
76.4.10.40/29 8 Brightspeed AS19901 US
76.4.10.32/30 4 Brightspeed AS19901 US
76.4.10.38/31 2 Brightspeed AS19901 US
76.4.10.37/32 1 Brightspeed AS19901 US
76.4.10.36/32 1 Brightspeed AS19901 US

Geolocation

First 256 of 4,096 IP addresses in 76.4.0.0/20

76.4.0.0 76.4.0.1 76.4.0.2 76.4.0.3 76.4.0.4 76.4.0.5 76.4.0.6 76.4.0.7 76.4.0.8 76.4.0.9 76.4.0.10 76.4.0.11 76.4.0.12 76.4.0.13 76.4.0.14 76.4.0.15 76.4.0.16 76.4.0.17 76.4.0.18 76.4.0.19 76.4.0.20 76.4.0.21 76.4.0.22 76.4.0.23 76.4.0.24 76.4.0.25 76.4.0.26 76.4.0.27 76.4.0.28 76.4.0.29 76.4.0.30 76.4.0.31 76.4.0.32 76.4.0.33 76.4.0.34 76.4.0.35 76.4.0.36 76.4.0.37 76.4.0.38 76.4.0.39 76.4.0.40 76.4.0.41 76.4.0.42 76.4.0.43 76.4.0.44 76.4.0.45 76.4.0.46 76.4.0.47 76.4.0.48 76.4.0.49 76.4.0.50 76.4.0.51 76.4.0.52 76.4.0.53 76.4.0.54 76.4.0.55 76.4.0.56 76.4.0.57 76.4.0.58 76.4.0.59 76.4.0.60 76.4.0.61 76.4.0.62 76.4.0.63 76.4.0.64 76.4.0.65 76.4.0.66 76.4.0.67 76.4.0.68 76.4.0.69 76.4.0.70 76.4.0.71 76.4.0.72 76.4.0.73 76.4.0.74 76.4.0.75 76.4.0.76 76.4.0.77 76.4.0.78 76.4.0.79 76.4.0.80 76.4.0.81 76.4.0.82 76.4.0.83 76.4.0.84 76.4.0.85 76.4.0.86 76.4.0.87 76.4.0.88 76.4.0.89 76.4.0.90 76.4.0.91 76.4.0.92 76.4.0.93 76.4.0.94 76.4.0.95 76.4.0.96 76.4.0.97 76.4.0.98 76.4.0.99 76.4.0.100 76.4.0.101 76.4.0.102 76.4.0.103 76.4.0.104 76.4.0.105 76.4.0.106 76.4.0.107 76.4.0.108 76.4.0.109 76.4.0.110 76.4.0.111 76.4.0.112 76.4.0.113 76.4.0.114 76.4.0.115 76.4.0.116 76.4.0.117 76.4.0.118 76.4.0.119 76.4.0.120 76.4.0.121 76.4.0.122 76.4.0.123 76.4.0.124 76.4.0.125 76.4.0.126 76.4.0.127 76.4.0.128 76.4.0.129 76.4.0.130 76.4.0.131 76.4.0.132 76.4.0.133 76.4.0.134 76.4.0.135 76.4.0.136 76.4.0.137 76.4.0.138 76.4.0.139 76.4.0.140 76.4.0.141 76.4.0.142 76.4.0.143 76.4.0.144 76.4.0.145 76.4.0.146 76.4.0.147 76.4.0.148 76.4.0.149 76.4.0.150 76.4.0.151 76.4.0.152 76.4.0.153 76.4.0.154 76.4.0.155 76.4.0.156 76.4.0.157 76.4.0.158 76.4.0.159 76.4.0.160 76.4.0.161 76.4.0.162 76.4.0.163 76.4.0.164 76.4.0.165 76.4.0.166 76.4.0.167 76.4.0.168 76.4.0.169 76.4.0.170 76.4.0.171 76.4.0.172 76.4.0.173 76.4.0.174 76.4.0.175 76.4.0.176 76.4.0.177 76.4.0.178 76.4.0.179 76.4.0.180 76.4.0.181 76.4.0.182 76.4.0.183 76.4.0.184 76.4.0.185 76.4.0.186 76.4.0.187 76.4.0.188 76.4.0.189 76.4.0.190 76.4.0.191 76.4.0.192 76.4.0.193 76.4.0.194 76.4.0.195 76.4.0.196 76.4.0.197 76.4.0.198 76.4.0.199 76.4.0.200 76.4.0.201 76.4.0.202 76.4.0.203 76.4.0.204 76.4.0.205 76.4.0.206 76.4.0.207 76.4.0.208 76.4.0.209 76.4.0.210 76.4.0.211 76.4.0.212 76.4.0.213 76.4.0.214 76.4.0.215 76.4.0.216 76.4.0.217 76.4.0.218 76.4.0.219 76.4.0.220 76.4.0.221 76.4.0.222 76.4.0.223 76.4.0.224 76.4.0.225 76.4.0.226 76.4.0.227 76.4.0.228 76.4.0.229 76.4.0.230 76.4.0.231 76.4.0.232 76.4.0.233 76.4.0.234 76.4.0.235 76.4.0.236 76.4.0.237 76.4.0.238 76.4.0.239 76.4.0.240 76.4.0.241 76.4.0.242 76.4.0.243 76.4.0.244 76.4.0.245 76.4.0.246 76.4.0.247 76.4.0.248 76.4.0.249 76.4.0.250 76.4.0.251 76.4.0.252 76.4.0.253 76.4.0.254 76.4.0.255 + 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 76.4.0.0/19.

Announced prefix
76.4.0.0/19
Origin AS
AS19901
Announcement samples
4,022
Last seen
2026-07-19 09:55:23

Frequently Asked Questions

What is 76.4.0.0/20?

76.4.0.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 76.4.0.0 to 76.4.15.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 76.4.0.0/20 network?

The 76.4.0.0/20 range is allocated to Brightspeed and announced via AS19901 from United States.

Last updated: 2026-07-19 10:40:32 UTC
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