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CIDR Range

87.81.240.0/22

1.0K IPs /22 Fastly, Inc. AS54113 United States RIPE
Addresses
1,024
1.0K
IP Range
87.81.240.0
→ 87.81.243.255
Sub-ranges
7+
within this block
PTR Density
0.0%
0 of 1.0K 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 87.81.240.0/22

CIDRIPsOrganizationASNCountry
87.81.242.0/23 512 Fastly, Inc. AS54113 US
87.81.240.0/24 256 Fastly, Inc. AS54113 GB
87.81.240.0/24 256 Fastly, Inc. AS54113 GB
87.81.241.0/24 256 Fastly, Inc. AS54113 GB
87.81.241.0/24 256 Fastly, Inc. AS54113 US
87.81.242.0/24 256 Fastly, Inc. AS54113 GB
87.81.243.0/24 256 Fastly, Inc. AS54113 GB

Geolocation

First 256 of 1,024 IP addresses in 87.81.240.0/22

87.81.240.0 87.81.240.1 87.81.240.2 87.81.240.3 87.81.240.4 87.81.240.5 87.81.240.6 87.81.240.7 87.81.240.8 87.81.240.9 87.81.240.10 87.81.240.11 87.81.240.12 87.81.240.13 87.81.240.14 87.81.240.15 87.81.240.16 87.81.240.17 87.81.240.18 87.81.240.19 87.81.240.20 87.81.240.21 87.81.240.22 87.81.240.23 87.81.240.24 87.81.240.25 87.81.240.26 87.81.240.27 87.81.240.28 87.81.240.29 87.81.240.30 87.81.240.31 87.81.240.32 87.81.240.33 87.81.240.34 87.81.240.35 87.81.240.36 87.81.240.37 87.81.240.38 87.81.240.39 87.81.240.40 87.81.240.41 87.81.240.42 87.81.240.43 87.81.240.44 87.81.240.45 87.81.240.46 87.81.240.47 87.81.240.48 87.81.240.49 87.81.240.50 87.81.240.51 87.81.240.52 87.81.240.53 87.81.240.54 87.81.240.55 87.81.240.56 87.81.240.57 87.81.240.58 87.81.240.59 87.81.240.60 87.81.240.61 87.81.240.62 87.81.240.63 87.81.240.64 87.81.240.65 87.81.240.66 87.81.240.67 87.81.240.68 87.81.240.69 87.81.240.70 87.81.240.71 87.81.240.72 87.81.240.73 87.81.240.74 87.81.240.75 87.81.240.76 87.81.240.77 87.81.240.78 87.81.240.79 87.81.240.80 87.81.240.81 87.81.240.82 87.81.240.83 87.81.240.84 87.81.240.85 87.81.240.86 87.81.240.87 87.81.240.88 87.81.240.89 87.81.240.90 87.81.240.91 87.81.240.92 87.81.240.93 87.81.240.94 87.81.240.95 87.81.240.96 87.81.240.97 87.81.240.98 87.81.240.99 87.81.240.100 87.81.240.101 87.81.240.102 87.81.240.103 87.81.240.104 87.81.240.105 87.81.240.106 87.81.240.107 87.81.240.108 87.81.240.109 87.81.240.110 87.81.240.111 87.81.240.112 87.81.240.113 87.81.240.114 87.81.240.115 87.81.240.116 87.81.240.117 87.81.240.118 87.81.240.119 87.81.240.120 87.81.240.121 87.81.240.122 87.81.240.123 87.81.240.124 87.81.240.125 87.81.240.126 87.81.240.127 87.81.240.128 87.81.240.129 87.81.240.130 87.81.240.131 87.81.240.132 87.81.240.133 87.81.240.134 87.81.240.135 87.81.240.136 87.81.240.137 87.81.240.138 87.81.240.139 87.81.240.140 87.81.240.141 87.81.240.142 87.81.240.143 87.81.240.144 87.81.240.145 87.81.240.146 87.81.240.147 87.81.240.148 87.81.240.149 87.81.240.150 87.81.240.151 87.81.240.152 87.81.240.153 87.81.240.154 87.81.240.155 87.81.240.156 87.81.240.157 87.81.240.158 87.81.240.159 87.81.240.160 87.81.240.161 87.81.240.162 87.81.240.163 87.81.240.164 87.81.240.165 87.81.240.166 87.81.240.167 87.81.240.168 87.81.240.169 87.81.240.170 87.81.240.171 87.81.240.172 87.81.240.173 87.81.240.174 87.81.240.175 87.81.240.176 87.81.240.177 87.81.240.178 87.81.240.179 87.81.240.180 87.81.240.181 87.81.240.182 87.81.240.183 87.81.240.184 87.81.240.185 87.81.240.186 87.81.240.187 87.81.240.188 87.81.240.189 87.81.240.190 87.81.240.191 87.81.240.192 87.81.240.193 87.81.240.194 87.81.240.195 87.81.240.196 87.81.240.197 87.81.240.198 87.81.240.199 87.81.240.200 87.81.240.201 87.81.240.202 87.81.240.203 87.81.240.204 87.81.240.205 87.81.240.206 87.81.240.207 87.81.240.208 87.81.240.209 87.81.240.210 87.81.240.211 87.81.240.212 87.81.240.213 87.81.240.214 87.81.240.215 87.81.240.216 87.81.240.217 87.81.240.218 87.81.240.219 87.81.240.220 87.81.240.221 87.81.240.222 87.81.240.223 87.81.240.224 87.81.240.225 87.81.240.226 87.81.240.227 87.81.240.228 87.81.240.229 87.81.240.230 87.81.240.231 87.81.240.232 87.81.240.233 87.81.240.234 87.81.240.235 87.81.240.236 87.81.240.237 87.81.240.238 87.81.240.239 87.81.240.240 87.81.240.241 87.81.240.242 87.81.240.243 87.81.240.244 87.81.240.245 87.81.240.246 87.81.240.247 87.81.240.248 87.81.240.249 87.81.240.250 87.81.240.251 87.81.240.252 87.81.240.253 87.81.240.254 87.81.240.255 + 768 more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 87.81.224.0/19.

Announced prefix
87.81.224.0/19
Origin AS
AS54113
Announcement samples
12,506
Last seen
2026-07-23 09:37:03

Frequently Asked Questions

What is 87.81.240.0/22?

87.81.240.0/22 is a CIDR network block containing 1,024 IPv4 addresses (from 87.81.240.0 to 87.81.243.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 87.81.240.0/22 network?

The 87.81.240.0/22 range is allocated to Fastly, Inc. and announced via AS54113 from United States.

Last updated: 2026-07-23 09:55:31 UTC
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