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CIDR Range

3.0.0.0/10

4.19M IPs /10 Amazon.com, Inc. AS16509 Singapore ARIN
Addresses
4,194,304
4.19M
IP Range
3.0.0.0
→ 3.63.255.255
Sub-ranges
50+
within this block

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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 3.0.0.0/10

CIDRIPsOrganizationASNCountry
3.48.0.0/12 1.05M Amazon.com, Inc. AS16509 US
3.48.0.0/12 1.05M Amazon.com, Inc. AS16509 US
3.8.0.0/13 524.3K Amazon.com, Inc. AS16509 US
3.16.0.0/13 524.3K Amazon.com, Inc. AS16509 US
3.16.0.0/13 524.3K Amazon.com, Inc. AS16509 US
3.16.0.0/13 524.3K Amazon.com, Inc. AS16509 US
3.56.0.0/13 524.3K Amazon.com, Inc. AS16509 US
3.56.0.0/13 524.3K Amazon.com, Inc. AS16509 US
3.8.0.0/14 262.1K Amazon.com, Inc. AS16509 GB
3.8.0.0/14 262.1K Amazon.com, Inc. AS16509 US
3.8.0.0/14 262.1K Amazon.com, Inc. AS16509 GB
3.12.0.0/14 262.1K Amazon.com, Inc. AS16509 US
3.12.0.0/14 262.1K Amazon.com, Inc. AS16509 US
3.12.0.0/14 262.1K Amazon.com, Inc. AS16509 US
3.16.0.0/14 262.1K Amazon.com, Inc. AS16509 US
3.24.0.0/14 262.1K Amazon.com, Inc. AS16509 AU
3.24.0.0/14 262.1K Amazon.com, Inc. AS16509 US
3.24.0.0/14 262.1K Amazon.com, Inc. AS16509 AU
3.36.0.0/14 262.1K Amazon.com, Inc. AS16509 KR
3.36.0.0/14 262.1K Amazon.com, Inc. AS16509 US
3.36.0.0/14 262.1K Amazon.com, Inc. AS16509 US
3.36.0.0/14 262.1K Amazon.com, Inc. AS16509 KR
3.48.0.0/14 262.1K Amazon.com, Inc. AS16509 US
3.48.0.0/14 262.1K Amazon.com, Inc. AS16509 US
3.0.0.0/15 131.1K Amazon.com, Inc. AS16509 SG
3.0.0.0/15 131.1K Amazon.com, Inc. AS16509 US
3.0.0.0/15 131.1K Amazon.com, Inc. AS16509 US
3.0.0.0/15 131.1K Amazon.com, Inc. AS16509 SG
3.6.0.0/15 131.1K Amazon.com, Inc. AS16509 IN
3.6.0.0/15 131.1K Amazon.com, Inc. AS16509 US
3.6.0.0/15 131.1K Amazon.com, Inc. AS16509 US
3.6.0.0/15 131.1K Amazon.com, Inc. AS16509 IN
3.12.0.0/15 131.1K Amazon.com, Inc. AS16509 US
3.18.0.0/15 131.1K Amazon.com, Inc. AS16509 US
3.20.0.0/15 131.1K Amazon.com, Inc. AS16509 US
3.28.0.0/15 131.1K Amazon.com, Inc. AS16509 AE
3.28.0.0/15 131.1K Amazon.com, Inc. AS16509 US
3.28.0.0/15 131.1K Amazon.com, Inc. AS16509 US
3.28.0.0/15 131.1K Amazon.com, Inc. AS16509 AE
3.30.0.0/15 131.1K Amazon.com, Inc. AS16509 US
3.30.0.0/15 131.1K Amazon Data Services Ireland Ltd AS8987 US
3.30.0.0/15 131.1K Amazon.com, Inc. AS16509 US
3.30.0.0/15 131.1K Amazon.com, Inc. AS8987 US
3.34.0.0/15 131.1K Amazon.com, Inc. AS16509 KR
3.34.0.0/15 131.1K Amazon.com, Inc. AS16509 US
3.34.0.0/15 131.1K Amazon.com, Inc. AS16509 KR
3.42.0.0/15 131.1K Amazon.com, Inc. AS16509 US
3.46.0.0/15 131.1K Amazon.com, Inc. AS16509 US
3.46.0.0/15 131.1K Amazon.com, Inc. AS16509 US
3.46.0.0/15 131.1K Amazon.com, Inc. AS16509 US

Geolocation

First 256 of 4,194,304 IP addresses in 3.0.0.0/10

3.0.0.0 3.0.0.1 3.0.0.2 3.0.0.3 3.0.0.4 3.0.0.5 3.0.0.6 3.0.0.7 3.0.0.8 3.0.0.9 3.0.0.10 3.0.0.11 3.0.0.12 3.0.0.13 3.0.0.14 3.0.0.15 3.0.0.16 3.0.0.17 3.0.0.18 3.0.0.19 3.0.0.20 3.0.0.21 3.0.0.22 3.0.0.23 3.0.0.24 3.0.0.25 3.0.0.26 3.0.0.27 3.0.0.28 3.0.0.29 3.0.0.30 3.0.0.31 3.0.0.32 3.0.0.33 3.0.0.34 3.0.0.35 3.0.0.36 3.0.0.37 3.0.0.38 3.0.0.39 3.0.0.40 3.0.0.41 3.0.0.42 3.0.0.43 3.0.0.44 3.0.0.45 3.0.0.46 3.0.0.47 3.0.0.48 3.0.0.49 3.0.0.50 3.0.0.51 3.0.0.52 3.0.0.53 3.0.0.54 3.0.0.55 3.0.0.56 3.0.0.57 3.0.0.58 3.0.0.59 3.0.0.60 3.0.0.61 3.0.0.62 3.0.0.63 3.0.0.64 3.0.0.65 3.0.0.66 3.0.0.67 3.0.0.68 3.0.0.69 3.0.0.70 3.0.0.71 3.0.0.72 3.0.0.73 3.0.0.74 3.0.0.75 3.0.0.76 3.0.0.77 3.0.0.78 3.0.0.79 3.0.0.80 3.0.0.81 3.0.0.82 3.0.0.83 3.0.0.84 3.0.0.85 3.0.0.86 3.0.0.87 3.0.0.88 3.0.0.89 3.0.0.90 3.0.0.91 3.0.0.92 3.0.0.93 3.0.0.94 3.0.0.95 3.0.0.96 3.0.0.97 3.0.0.98 3.0.0.99 3.0.0.100 3.0.0.101 3.0.0.102 3.0.0.103 3.0.0.104 3.0.0.105 3.0.0.106 3.0.0.107 3.0.0.108 3.0.0.109 3.0.0.110 3.0.0.111 3.0.0.112 3.0.0.113 3.0.0.114 3.0.0.115 3.0.0.116 3.0.0.117 3.0.0.118 3.0.0.119 3.0.0.120 3.0.0.121 3.0.0.122 3.0.0.123 3.0.0.124 3.0.0.125 3.0.0.126 3.0.0.127 3.0.0.128 3.0.0.129 3.0.0.130 3.0.0.131 3.0.0.132 3.0.0.133 3.0.0.134 3.0.0.135 3.0.0.136 3.0.0.137 3.0.0.138 3.0.0.139 3.0.0.140 3.0.0.141 3.0.0.142 3.0.0.143 3.0.0.144 3.0.0.145 3.0.0.146 3.0.0.147 3.0.0.148 3.0.0.149 3.0.0.150 3.0.0.151 3.0.0.152 3.0.0.153 3.0.0.154 3.0.0.155 3.0.0.156 3.0.0.157 3.0.0.158 3.0.0.159 3.0.0.160 3.0.0.161 3.0.0.162 3.0.0.163 3.0.0.164 3.0.0.165 3.0.0.166 3.0.0.167 3.0.0.168 3.0.0.169 3.0.0.170 3.0.0.171 3.0.0.172 3.0.0.173 3.0.0.174 3.0.0.175 3.0.0.176 3.0.0.177 3.0.0.178 3.0.0.179 3.0.0.180 3.0.0.181 3.0.0.182 3.0.0.183 3.0.0.184 3.0.0.185 3.0.0.186 3.0.0.187 3.0.0.188 3.0.0.189 3.0.0.190 3.0.0.191 3.0.0.192 3.0.0.193 3.0.0.194 3.0.0.195 3.0.0.196 3.0.0.197 3.0.0.198 3.0.0.199 3.0.0.200 3.0.0.201 3.0.0.202 3.0.0.203 3.0.0.204 3.0.0.205 3.0.0.206 3.0.0.207 3.0.0.208 3.0.0.209 3.0.0.210 3.0.0.211 3.0.0.212 3.0.0.213 3.0.0.214 3.0.0.215 3.0.0.216 3.0.0.217 3.0.0.218 3.0.0.219 3.0.0.220 3.0.0.221 3.0.0.222 3.0.0.223 3.0.0.224 3.0.0.225 3.0.0.226 3.0.0.227 3.0.0.228 3.0.0.229 3.0.0.230 3.0.0.231 3.0.0.232 3.0.0.233 3.0.0.234 3.0.0.235 3.0.0.236 3.0.0.237 3.0.0.238 3.0.0.239 3.0.0.240 3.0.0.241 3.0.0.242 3.0.0.243 3.0.0.244 3.0.0.245 3.0.0.246 3.0.0.247 3.0.0.248 3.0.0.249 3.0.0.250 3.0.0.251 3.0.0.252 3.0.0.253 3.0.0.254 3.0.0.255 + 4.19M more (range too large to list inline)

BGP Routing

Live BGP anomalies →

This block is announced in BGP, observed across our RIPE RIS collectors.

Announced prefix
3.0.0.0/10
Origin AS
AS16509
Announcement samples
5,004
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
2026-05-10 New Allocation — US

Frequently Asked Questions

What is 3.0.0.0/10?

3.0.0.0/10 is a CIDR network block containing 4,194,304 IPv4 addresses (from 3.0.0.0 to 3.63.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 3.0.0.0/10 network?

The 3.0.0.0/10 range is allocated to Amazon.com, Inc. and announced via AS16509 from Singapore.

Last updated: 2026-07-18 11:10:35 UTC
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