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CIDR Range

45.5.38.0/23

512 IPs /23 NOVA FIBRA AS266080 Brazil LACNIC
Addresses
512
512
IP Range
45.5.38.0
→ 45.5.39.255
Sub-ranges
13+
within this block
PTR Density
0.0%
0 of 512 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.

68/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 45.5.38.0/23

CIDRIPsOrganizationASNCountry
45.5.38.0/24 256 NOVA FIBRA AS266080 BR
45.5.39.128/25 128 NOVA FIBRA AS266080 BR
45.5.39.64/26 64 NOVA FIBRA AS266080 BR
45.5.39.0/27 32 NOVA FIBRA AS266080 BR
45.5.39.48/28 16 NOVA FIBRA AS266080 BR
45.5.39.32/29 8 NOVA FIBRA AS266080 BR
45.5.39.48/29 8 NOVA FIBRA AS266080 BR
45.5.39.56/30 4 NOVA FIBRA AS266080 BR
45.5.39.60/30 4 NOVA FIBRA AS266080 BR
45.5.39.44/30 4 NOVA FIBRA AS266080 BR
45.5.39.42/31 2 NOVA FIBRA AS266080 BR
45.5.39.41/32 1 NOVA FIBRA AS266080 BR
45.5.39.40/32 1 NOVA FIBRA AS266080 BR

First 256 of 512 IP addresses in 45.5.38.0/23

45.5.38.0 45.5.38.1 45.5.38.2 45.5.38.3 45.5.38.4 45.5.38.5 45.5.38.6 45.5.38.7 45.5.38.8 45.5.38.9 45.5.38.10 45.5.38.11 45.5.38.12 45.5.38.13 45.5.38.14 45.5.38.15 45.5.38.16 45.5.38.17 45.5.38.18 45.5.38.19 45.5.38.20 45.5.38.21 45.5.38.22 45.5.38.23 45.5.38.24 45.5.38.25 45.5.38.26 45.5.38.27 45.5.38.28 45.5.38.29 45.5.38.30 45.5.38.31 45.5.38.32 45.5.38.33 45.5.38.34 45.5.38.35 45.5.38.36 45.5.38.37 45.5.38.38 45.5.38.39 45.5.38.40 45.5.38.41 45.5.38.42 45.5.38.43 45.5.38.44 45.5.38.45 45.5.38.46 45.5.38.47 45.5.38.48 45.5.38.49 45.5.38.50 45.5.38.51 45.5.38.52 45.5.38.53 45.5.38.54 45.5.38.55 45.5.38.56 45.5.38.57 45.5.38.58 45.5.38.59 45.5.38.60 45.5.38.61 45.5.38.62 45.5.38.63 45.5.38.64 45.5.38.65 45.5.38.66 45.5.38.67 45.5.38.68 45.5.38.69 45.5.38.70 45.5.38.71 45.5.38.72 45.5.38.73 45.5.38.74 45.5.38.75 45.5.38.76 45.5.38.77 45.5.38.78 45.5.38.79 45.5.38.80 45.5.38.81 45.5.38.82 45.5.38.83 45.5.38.84 45.5.38.85 45.5.38.86 45.5.38.87 45.5.38.88 45.5.38.89 45.5.38.90 45.5.38.91 45.5.38.92 45.5.38.93 45.5.38.94 45.5.38.95 45.5.38.96 45.5.38.97 45.5.38.98 45.5.38.99 45.5.38.100 45.5.38.101 45.5.38.102 45.5.38.103 45.5.38.104 45.5.38.105 45.5.38.106 45.5.38.107 45.5.38.108 45.5.38.109 45.5.38.110 45.5.38.111 45.5.38.112 45.5.38.113 45.5.38.114 45.5.38.115 45.5.38.116 45.5.38.117 45.5.38.118 45.5.38.119 45.5.38.120 45.5.38.121 45.5.38.122 45.5.38.123 45.5.38.124 45.5.38.125 45.5.38.126 45.5.38.127 45.5.38.128 45.5.38.129 45.5.38.130 45.5.38.131 45.5.38.132 45.5.38.133 45.5.38.134 45.5.38.135 45.5.38.136 45.5.38.137 45.5.38.138 45.5.38.139 45.5.38.140 45.5.38.141 45.5.38.142 45.5.38.143 45.5.38.144 45.5.38.145 45.5.38.146 45.5.38.147 45.5.38.148 45.5.38.149 45.5.38.150 45.5.38.151 45.5.38.152 45.5.38.153 45.5.38.154 45.5.38.155 45.5.38.156 45.5.38.157 45.5.38.158 45.5.38.159 45.5.38.160 45.5.38.161 45.5.38.162 45.5.38.163 45.5.38.164 45.5.38.165 45.5.38.166 45.5.38.167 45.5.38.168 45.5.38.169 45.5.38.170 45.5.38.171 45.5.38.172 45.5.38.173 45.5.38.174 45.5.38.175 45.5.38.176 45.5.38.177 45.5.38.178 45.5.38.179 45.5.38.180 45.5.38.181 45.5.38.182 45.5.38.183 45.5.38.184 45.5.38.185 45.5.38.186 45.5.38.187 45.5.38.188 45.5.38.189 45.5.38.190 45.5.38.191 45.5.38.192 45.5.38.193 45.5.38.194 45.5.38.195 45.5.38.196 45.5.38.197 45.5.38.198 45.5.38.199 45.5.38.200 45.5.38.201 45.5.38.202 45.5.38.203 45.5.38.204 45.5.38.205 45.5.38.206 45.5.38.207 45.5.38.208 45.5.38.209 45.5.38.210 45.5.38.211 45.5.38.212 45.5.38.213 45.5.38.214 45.5.38.215 45.5.38.216 45.5.38.217 45.5.38.218 45.5.38.219 45.5.38.220 45.5.38.221 45.5.38.222 45.5.38.223 45.5.38.224 45.5.38.225 45.5.38.226 45.5.38.227 45.5.38.228 45.5.38.229 45.5.38.230 45.5.38.231 45.5.38.232 45.5.38.233 45.5.38.234 45.5.38.235 45.5.38.236 45.5.38.237 45.5.38.238 45.5.38.239 45.5.38.240 45.5.38.241 45.5.38.242 45.5.38.243 45.5.38.244 45.5.38.245 45.5.38.246 45.5.38.247 45.5.38.248 45.5.38.249 45.5.38.250 45.5.38.251 45.5.38.252 45.5.38.253 45.5.38.254 45.5.38.255 + 256 more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 45.5.36.0/22.

Announced prefix
45.5.36.0/22
Origin AS
AS266080
Announcement samples
14,653
Last seen
2026-07-30 21:31:41

RIR Ownership History

Atom feed ⇲

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

Date Event From To
2026-05-10 RIR Transfer arin lacnic

Frequently Asked Questions

What is 45.5.38.0/23?

45.5.38.0/23 is a CIDR network block containing 512 IPv4 addresses (from 45.5.38.0 to 45.5.39.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 45.5.38.0/23 network?

The 45.5.38.0/23 range is allocated to NOVA FIBRA and announced via AS266080 from Brazil.

Last updated: 2026-07-30 22:25:32 UTC
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