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CIDR Range

155.138.243.0/24

256 IPs /24 The Constant Company, LLC AS20473 United States ARIN
Addresses
256
256
IP Range
155.138.243.0
→ 155.138.243.255
Sub-ranges
0+
within this block
PTR Density
99.6%
255 of 256 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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

All 256 IP addresses in 155.138.243.0/24

155.138.243.0 155.138.243.1 155.138.243.2 155.138.243.3 155.138.243.4 155.138.243.5 155.138.243.6 155.138.243.7 155.138.243.8 155.138.243.9 155.138.243.10 155.138.243.11 155.138.243.12 155.138.243.13 155.138.243.14 155.138.243.15 155.138.243.16 155.138.243.17 155.138.243.18 155.138.243.19 155.138.243.20 155.138.243.21 155.138.243.22 155.138.243.23 155.138.243.24 155.138.243.25 155.138.243.26 155.138.243.27 155.138.243.28 155.138.243.29 155.138.243.30 155.138.243.31 155.138.243.32 155.138.243.33 155.138.243.34 155.138.243.35 155.138.243.36 155.138.243.37 155.138.243.38 155.138.243.39 155.138.243.40 155.138.243.41 155.138.243.42 155.138.243.43 155.138.243.44 155.138.243.45 155.138.243.46 155.138.243.47 155.138.243.48 155.138.243.49 155.138.243.50 155.138.243.51 155.138.243.52 155.138.243.53 155.138.243.54 155.138.243.55 155.138.243.56 155.138.243.57 155.138.243.58 155.138.243.59 155.138.243.60 155.138.243.61 155.138.243.62 155.138.243.63 155.138.243.64 155.138.243.65 155.138.243.66 155.138.243.67 155.138.243.68 155.138.243.69 155.138.243.70 155.138.243.71 155.138.243.72 155.138.243.73 155.138.243.74 155.138.243.75 155.138.243.76 155.138.243.77 155.138.243.78 155.138.243.79 155.138.243.80 155.138.243.81 155.138.243.82 155.138.243.83 155.138.243.84 155.138.243.85 155.138.243.86 155.138.243.87 155.138.243.88 155.138.243.89 155.138.243.90 155.138.243.91 155.138.243.92 155.138.243.93 155.138.243.94 155.138.243.95 155.138.243.96 155.138.243.97 155.138.243.98 155.138.243.99 155.138.243.100 155.138.243.101 155.138.243.102 155.138.243.103 155.138.243.104 155.138.243.105 155.138.243.106 155.138.243.107 155.138.243.108 155.138.243.109 155.138.243.110 155.138.243.111 155.138.243.112 155.138.243.113 155.138.243.114 155.138.243.115 155.138.243.116 155.138.243.117 155.138.243.118 155.138.243.119 155.138.243.120 155.138.243.121 155.138.243.122 155.138.243.123 155.138.243.124 155.138.243.125 155.138.243.126 155.138.243.127 155.138.243.128 155.138.243.129 155.138.243.130 155.138.243.131 155.138.243.132 155.138.243.133 155.138.243.134 155.138.243.135 155.138.243.136 155.138.243.137 155.138.243.138 155.138.243.139 155.138.243.140 155.138.243.141 155.138.243.142 155.138.243.143 155.138.243.144 155.138.243.145 155.138.243.146 155.138.243.147 155.138.243.148 155.138.243.149 155.138.243.150 155.138.243.151 155.138.243.152 155.138.243.153 155.138.243.154 155.138.243.155 155.138.243.156 155.138.243.157 155.138.243.158 155.138.243.159 155.138.243.160 155.138.243.161 155.138.243.162 155.138.243.163 155.138.243.164 155.138.243.165 155.138.243.166 155.138.243.167 155.138.243.168 155.138.243.169 155.138.243.170 155.138.243.171 155.138.243.172 155.138.243.173 155.138.243.174 155.138.243.175 155.138.243.176 155.138.243.177 155.138.243.178 155.138.243.179 155.138.243.180 155.138.243.181 155.138.243.182 155.138.243.183 155.138.243.184 155.138.243.185 155.138.243.186 155.138.243.187 155.138.243.188 155.138.243.189 155.138.243.190 155.138.243.191 155.138.243.192 155.138.243.193 155.138.243.194 155.138.243.195 155.138.243.196 155.138.243.197 155.138.243.198 155.138.243.199 155.138.243.200 155.138.243.201 155.138.243.202 155.138.243.203 155.138.243.204 155.138.243.205 155.138.243.206 155.138.243.207 155.138.243.208 155.138.243.209 155.138.243.210 155.138.243.211 155.138.243.212 155.138.243.213 155.138.243.214 155.138.243.215 155.138.243.216 155.138.243.217 155.138.243.218 155.138.243.219 155.138.243.220 155.138.243.221 155.138.243.222 155.138.243.223 155.138.243.224 155.138.243.225 155.138.243.226 155.138.243.227 155.138.243.228 155.138.243.229 155.138.243.230 155.138.243.231 155.138.243.232 155.138.243.233 155.138.243.234 155.138.243.235 155.138.243.236 155.138.243.237 155.138.243.238 155.138.243.239 155.138.243.240 155.138.243.241 155.138.243.242 155.138.243.243 155.138.243.244 155.138.243.245 155.138.243.246 155.138.243.247 155.138.243.248 155.138.243.249 155.138.243.250 155.138.243.251 155.138.243.252 155.138.243.253 155.138.243.254 155.138.243.255

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 155.138.240.0/20.

Announced prefix
155.138.240.0/20
Origin AS
AS20473
Announcement samples
3,475
Last seen
2026-07-18 10:52:39

Frequently Asked Questions

What is 155.138.243.0/24?

155.138.243.0/24 is a CIDR network block containing 256 IPv4 addresses (from 155.138.243.0 to 155.138.243.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 155.138.243.0/24 network?

The 155.138.243.0/24 range is allocated to The Constant Company, LLC and announced via AS20473 from United States.

How many IP addresses are in 155.138.243.0/24?

155.138.243.0/24 contains exactly 256 usable IPv4 addresses. A /24 prefix length means 256 addresses are covered by this single routing entry.

Last updated: 2026-07-18 11:40:32 UTC
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