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CIDR Range

48.248.0.0/13

524.3K IPs /13 Microsoft Corporation AS8075 United Kingdom ARIN
Addresses
524,288
524.3K
IP Range
48.248.0.0
→ 48.255.255.255
Sub-ranges
12+
within this block
PTR Density
0.0%
0 of 524.3K 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 48.248.0.0/13

CIDRIPsOrganizationASNCountry
48.248.0.0/14 262.1K Microsoft Corporation AS8075 US
48.254.0.0/15 131.1K Microsoft Corporation AS8075 US
48.252.0.0/16 65.5K Microsoft Corporation AS8075 US
48.253.0.0/17 32.8K Microsoft Corporation AS8075 US
48.253.128.0/18 16.4K Microsoft Corporation AS8075 US
48.253.192.0/19 8.2K Microsoft Corporation AS8075 US
48.253.224.0/20 4.1K Microsoft Corporation AS8075 US
48.253.248.0/21 2.0K Microsoft Corporation AS8075 US
48.253.244.0/22 1.0K Microsoft Corporation AS8075 US
48.253.240.0/23 512 Microsoft Corporation AS8075 US
48.253.243.0/24 256 Microsoft Corporation AS8075 US
48.253.242.0/24 256 Microsoft Corporation AS8075 GB

Geolocation

First 256 of 524,288 IP addresses in 48.248.0.0/13

48.248.0.0 48.248.0.1 48.248.0.2 48.248.0.3 48.248.0.4 48.248.0.5 48.248.0.6 48.248.0.7 48.248.0.8 48.248.0.9 48.248.0.10 48.248.0.11 48.248.0.12 48.248.0.13 48.248.0.14 48.248.0.15 48.248.0.16 48.248.0.17 48.248.0.18 48.248.0.19 48.248.0.20 48.248.0.21 48.248.0.22 48.248.0.23 48.248.0.24 48.248.0.25 48.248.0.26 48.248.0.27 48.248.0.28 48.248.0.29 48.248.0.30 48.248.0.31 48.248.0.32 48.248.0.33 48.248.0.34 48.248.0.35 48.248.0.36 48.248.0.37 48.248.0.38 48.248.0.39 48.248.0.40 48.248.0.41 48.248.0.42 48.248.0.43 48.248.0.44 48.248.0.45 48.248.0.46 48.248.0.47 48.248.0.48 48.248.0.49 48.248.0.50 48.248.0.51 48.248.0.52 48.248.0.53 48.248.0.54 48.248.0.55 48.248.0.56 48.248.0.57 48.248.0.58 48.248.0.59 48.248.0.60 48.248.0.61 48.248.0.62 48.248.0.63 48.248.0.64 48.248.0.65 48.248.0.66 48.248.0.67 48.248.0.68 48.248.0.69 48.248.0.70 48.248.0.71 48.248.0.72 48.248.0.73 48.248.0.74 48.248.0.75 48.248.0.76 48.248.0.77 48.248.0.78 48.248.0.79 48.248.0.80 48.248.0.81 48.248.0.82 48.248.0.83 48.248.0.84 48.248.0.85 48.248.0.86 48.248.0.87 48.248.0.88 48.248.0.89 48.248.0.90 48.248.0.91 48.248.0.92 48.248.0.93 48.248.0.94 48.248.0.95 48.248.0.96 48.248.0.97 48.248.0.98 48.248.0.99 48.248.0.100 48.248.0.101 48.248.0.102 48.248.0.103 48.248.0.104 48.248.0.105 48.248.0.106 48.248.0.107 48.248.0.108 48.248.0.109 48.248.0.110 48.248.0.111 48.248.0.112 48.248.0.113 48.248.0.114 48.248.0.115 48.248.0.116 48.248.0.117 48.248.0.118 48.248.0.119 48.248.0.120 48.248.0.121 48.248.0.122 48.248.0.123 48.248.0.124 48.248.0.125 48.248.0.126 48.248.0.127 48.248.0.128 48.248.0.129 48.248.0.130 48.248.0.131 48.248.0.132 48.248.0.133 48.248.0.134 48.248.0.135 48.248.0.136 48.248.0.137 48.248.0.138 48.248.0.139 48.248.0.140 48.248.0.141 48.248.0.142 48.248.0.143 48.248.0.144 48.248.0.145 48.248.0.146 48.248.0.147 48.248.0.148 48.248.0.149 48.248.0.150 48.248.0.151 48.248.0.152 48.248.0.153 48.248.0.154 48.248.0.155 48.248.0.156 48.248.0.157 48.248.0.158 48.248.0.159 48.248.0.160 48.248.0.161 48.248.0.162 48.248.0.163 48.248.0.164 48.248.0.165 48.248.0.166 48.248.0.167 48.248.0.168 48.248.0.169 48.248.0.170 48.248.0.171 48.248.0.172 48.248.0.173 48.248.0.174 48.248.0.175 48.248.0.176 48.248.0.177 48.248.0.178 48.248.0.179 48.248.0.180 48.248.0.181 48.248.0.182 48.248.0.183 48.248.0.184 48.248.0.185 48.248.0.186 48.248.0.187 48.248.0.188 48.248.0.189 48.248.0.190 48.248.0.191 48.248.0.192 48.248.0.193 48.248.0.194 48.248.0.195 48.248.0.196 48.248.0.197 48.248.0.198 48.248.0.199 48.248.0.200 48.248.0.201 48.248.0.202 48.248.0.203 48.248.0.204 48.248.0.205 48.248.0.206 48.248.0.207 48.248.0.208 48.248.0.209 48.248.0.210 48.248.0.211 48.248.0.212 48.248.0.213 48.248.0.214 48.248.0.215 48.248.0.216 48.248.0.217 48.248.0.218 48.248.0.219 48.248.0.220 48.248.0.221 48.248.0.222 48.248.0.223 48.248.0.224 48.248.0.225 48.248.0.226 48.248.0.227 48.248.0.228 48.248.0.229 48.248.0.230 48.248.0.231 48.248.0.232 48.248.0.233 48.248.0.234 48.248.0.235 48.248.0.236 48.248.0.237 48.248.0.238 48.248.0.239 48.248.0.240 48.248.0.241 48.248.0.242 48.248.0.243 48.248.0.244 48.248.0.245 48.248.0.246 48.248.0.247 48.248.0.248 48.248.0.249 48.248.0.250 48.248.0.251 48.248.0.252 48.248.0.253 48.248.0.254 48.248.0.255 + 524.0K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 48.224.0.0/11.

Announced prefix
48.224.0.0/11
Origin AS
AS8075
Announcement samples
2,908
Last seen
2026-07-23 09:37:01

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 — GB

Frequently Asked Questions

What is 48.248.0.0/13?

48.248.0.0/13 is a CIDR network block containing 524,288 IPv4 addresses (from 48.248.0.0 to 48.255.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 48.248.0.0/13 network?

The 48.248.0.0/13 range is allocated to Microsoft Corporation and announced via AS8075 from United Kingdom.

Last updated: 2026-07-23 10:10:33 UTC
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