3.20.48.0/20 CIDR Lookup — 4.1K IPs Owned by…

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

Baseline (neutral) 65
Has a reverse-DNS (PTR) record +5
Established allocation (9y) +3
Trust score 73 / 100

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

First 256 of 4,096 IP addresses in 3.20.48.0/20

3.20.48.0 3.20.48.1 3.20.48.2 3.20.48.3 3.20.48.4 3.20.48.5 3.20.48.6 3.20.48.7 3.20.48.8 3.20.48.9 3.20.48.10 3.20.48.11 3.20.48.12 3.20.48.13 3.20.48.14 3.20.48.15 3.20.48.16 3.20.48.17 3.20.48.18 3.20.48.19 3.20.48.20 3.20.48.21 3.20.48.22 3.20.48.23 3.20.48.24 3.20.48.25 3.20.48.26 3.20.48.27 3.20.48.28 3.20.48.29 3.20.48.30 3.20.48.31 3.20.48.32 3.20.48.33 3.20.48.34 3.20.48.35 3.20.48.36 3.20.48.37 3.20.48.38 3.20.48.39 3.20.48.40 3.20.48.41 3.20.48.42 3.20.48.43 3.20.48.44 3.20.48.45 3.20.48.46 3.20.48.47 3.20.48.48 3.20.48.49 3.20.48.50 3.20.48.51 3.20.48.52 3.20.48.53 3.20.48.54 3.20.48.55 3.20.48.56 3.20.48.57 3.20.48.58 3.20.48.59 3.20.48.60 3.20.48.61 3.20.48.62 3.20.48.63 3.20.48.64 3.20.48.65 3.20.48.66 3.20.48.67 3.20.48.68 3.20.48.69 3.20.48.70 3.20.48.71 3.20.48.72 3.20.48.73 3.20.48.74 3.20.48.75 3.20.48.76 3.20.48.77 3.20.48.78 3.20.48.79 3.20.48.80 3.20.48.81 3.20.48.82 3.20.48.83 3.20.48.84 3.20.48.85 3.20.48.86 3.20.48.87 3.20.48.88 3.20.48.89 3.20.48.90 3.20.48.91 3.20.48.92 3.20.48.93 3.20.48.94 3.20.48.95 3.20.48.96 3.20.48.97 3.20.48.98 3.20.48.99 3.20.48.100 3.20.48.101 3.20.48.102 3.20.48.103 3.20.48.104 3.20.48.105 3.20.48.106 3.20.48.107 3.20.48.108 3.20.48.109 3.20.48.110 3.20.48.111 3.20.48.112 3.20.48.113 3.20.48.114 3.20.48.115 3.20.48.116 3.20.48.117 3.20.48.118 3.20.48.119 3.20.48.120 3.20.48.121 3.20.48.122 3.20.48.123 3.20.48.124 3.20.48.125 3.20.48.126 3.20.48.127 3.20.48.128 3.20.48.129 3.20.48.130 3.20.48.131 3.20.48.132 3.20.48.133 3.20.48.134 3.20.48.135 3.20.48.136 3.20.48.137 3.20.48.138 3.20.48.139 3.20.48.140 3.20.48.141 3.20.48.142 3.20.48.143 3.20.48.144 3.20.48.145 3.20.48.146 3.20.48.147 3.20.48.148 3.20.48.149 3.20.48.150 3.20.48.151 3.20.48.152 3.20.48.153 3.20.48.154 3.20.48.155 3.20.48.156 3.20.48.157 3.20.48.158 3.20.48.159 3.20.48.160 3.20.48.161 3.20.48.162 3.20.48.163 3.20.48.164 3.20.48.165 3.20.48.166 3.20.48.167 3.20.48.168 3.20.48.169 3.20.48.170 3.20.48.171 3.20.48.172 3.20.48.173 3.20.48.174 3.20.48.175 3.20.48.176 3.20.48.177 3.20.48.178 3.20.48.179 3.20.48.180 3.20.48.181 3.20.48.182 3.20.48.183 3.20.48.184 3.20.48.185 3.20.48.186 3.20.48.187 3.20.48.188 3.20.48.189 3.20.48.190 3.20.48.191 3.20.48.192 3.20.48.193 3.20.48.194 3.20.48.195 3.20.48.196 3.20.48.197 3.20.48.198 3.20.48.199 3.20.48.200 3.20.48.201 3.20.48.202 3.20.48.203 3.20.48.204 3.20.48.205 3.20.48.206 3.20.48.207 3.20.48.208 3.20.48.209 3.20.48.210 3.20.48.211 3.20.48.212 3.20.48.213 3.20.48.214 3.20.48.215 3.20.48.216 3.20.48.217 3.20.48.218 3.20.48.219 3.20.48.220 3.20.48.221 3.20.48.222 3.20.48.223 3.20.48.224 3.20.48.225 3.20.48.226 3.20.48.227 3.20.48.228 3.20.48.229 3.20.48.230 3.20.48.231 3.20.48.232 3.20.48.233 3.20.48.234 3.20.48.235 3.20.48.236 3.20.48.237 3.20.48.238 3.20.48.239 3.20.48.240 3.20.48.241 3.20.48.242 3.20.48.243 3.20.48.244 3.20.48.245 3.20.48.246 3.20.48.247 3.20.48.248 3.20.48.249 3.20.48.250 3.20.48.251 3.20.48.252 3.20.48.253 3.20.48.254 3.20.48.255 + 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 3.20.0.0/14.

Announced prefix

3.20.0.0/14

Origin AS

AS16509

Announcement samples

5,094

Last seen

2026-07-18 10:52:14

RIR Ownership History

Atom feed ⇲

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

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

Frequently Asked Questions

What is 3.20.48.0/20?

3.20.48.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 3.20.48.0 to 3.20.63.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 3.20.48.0/20 network?

The 3.20.48.0/20 range is allocated to Amazon.com, Inc. and announced via AS16509 from United States.