100.148.0.0/15 CIDR Lookup — 131.1K IPs Owned…

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.

70/100

Moderate

How this score is built

Baseline (neutral) 65
Established allocation (14y) +3
Mobile allocation +2
Trust score 70 / 100

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

Geolocation

First 256 of 131,072 IP addresses in 100.148.0.0/15

100.148.0.0 100.148.0.1 100.148.0.2 100.148.0.3 100.148.0.4 100.148.0.5 100.148.0.6 100.148.0.7 100.148.0.8 100.148.0.9 100.148.0.10 100.148.0.11 100.148.0.12 100.148.0.13 100.148.0.14 100.148.0.15 100.148.0.16 100.148.0.17 100.148.0.18 100.148.0.19 100.148.0.20 100.148.0.21 100.148.0.22 100.148.0.23 100.148.0.24 100.148.0.25 100.148.0.26 100.148.0.27 100.148.0.28 100.148.0.29 100.148.0.30 100.148.0.31 100.148.0.32 100.148.0.33 100.148.0.34 100.148.0.35 100.148.0.36 100.148.0.37 100.148.0.38 100.148.0.39 100.148.0.40 100.148.0.41 100.148.0.42 100.148.0.43 100.148.0.44 100.148.0.45 100.148.0.46 100.148.0.47 100.148.0.48 100.148.0.49 100.148.0.50 100.148.0.51 100.148.0.52 100.148.0.53 100.148.0.54 100.148.0.55 100.148.0.56 100.148.0.57 100.148.0.58 100.148.0.59 100.148.0.60 100.148.0.61 100.148.0.62 100.148.0.63 100.148.0.64 100.148.0.65 100.148.0.66 100.148.0.67 100.148.0.68 100.148.0.69 100.148.0.70 100.148.0.71 100.148.0.72 100.148.0.73 100.148.0.74 100.148.0.75 100.148.0.76 100.148.0.77 100.148.0.78 100.148.0.79 100.148.0.80 100.148.0.81 100.148.0.82 100.148.0.83 100.148.0.84 100.148.0.85 100.148.0.86 100.148.0.87 100.148.0.88 100.148.0.89 100.148.0.90 100.148.0.91 100.148.0.92 100.148.0.93 100.148.0.94 100.148.0.95 100.148.0.96 100.148.0.97 100.148.0.98 100.148.0.99 100.148.0.100 100.148.0.101 100.148.0.102 100.148.0.103 100.148.0.104 100.148.0.105 100.148.0.106 100.148.0.107 100.148.0.108 100.148.0.109 100.148.0.110 100.148.0.111 100.148.0.112 100.148.0.113 100.148.0.114 100.148.0.115 100.148.0.116 100.148.0.117 100.148.0.118 100.148.0.119 100.148.0.120 100.148.0.121 100.148.0.122 100.148.0.123 100.148.0.124 100.148.0.125 100.148.0.126 100.148.0.127 100.148.0.128 100.148.0.129 100.148.0.130 100.148.0.131 100.148.0.132 100.148.0.133 100.148.0.134 100.148.0.135 100.148.0.136 100.148.0.137 100.148.0.138 100.148.0.139 100.148.0.140 100.148.0.141 100.148.0.142 100.148.0.143 100.148.0.144 100.148.0.145 100.148.0.146 100.148.0.147 100.148.0.148 100.148.0.149 100.148.0.150 100.148.0.151 100.148.0.152 100.148.0.153 100.148.0.154 100.148.0.155 100.148.0.156 100.148.0.157 100.148.0.158 100.148.0.159 100.148.0.160 100.148.0.161 100.148.0.162 100.148.0.163 100.148.0.164 100.148.0.165 100.148.0.166 100.148.0.167 100.148.0.168 100.148.0.169 100.148.0.170 100.148.0.171 100.148.0.172 100.148.0.173 100.148.0.174 100.148.0.175 100.148.0.176 100.148.0.177 100.148.0.178 100.148.0.179 100.148.0.180 100.148.0.181 100.148.0.182 100.148.0.183 100.148.0.184 100.148.0.185 100.148.0.186 100.148.0.187 100.148.0.188 100.148.0.189 100.148.0.190 100.148.0.191 100.148.0.192 100.148.0.193 100.148.0.194 100.148.0.195 100.148.0.196 100.148.0.197 100.148.0.198 100.148.0.199 100.148.0.200 100.148.0.201 100.148.0.202 100.148.0.203 100.148.0.204 100.148.0.205 100.148.0.206 100.148.0.207 100.148.0.208 100.148.0.209 100.148.0.210 100.148.0.211 100.148.0.212 100.148.0.213 100.148.0.214 100.148.0.215 100.148.0.216 100.148.0.217 100.148.0.218 100.148.0.219 100.148.0.220 100.148.0.221 100.148.0.222 100.148.0.223 100.148.0.224 100.148.0.225 100.148.0.226 100.148.0.227 100.148.0.228 100.148.0.229 100.148.0.230 100.148.0.231 100.148.0.232 100.148.0.233 100.148.0.234 100.148.0.235 100.148.0.236 100.148.0.237 100.148.0.238 100.148.0.239 100.148.0.240 100.148.0.241 100.148.0.242 100.148.0.243 100.148.0.244 100.148.0.245 100.148.0.246 100.148.0.247 100.148.0.248 100.148.0.249 100.148.0.250 100.148.0.251 100.148.0.252 100.148.0.253 100.148.0.254 100.148.0.255 + 130.8K more (range too large to list inline)

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 100.128.0.0/9.

Announced prefix

100.128.0.0/9

Origin AS

AS21928

Announcement samples

4,100

Last seen

2026-07-23 20:07:07

Frequently Asked Questions

What is 100.148.0.0/15?

100.148.0.0/15 is a CIDR network block containing 131,072 IPv4 addresses (from 100.148.0.0 to 100.149.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 100.148.0.0/15 network?

The 100.148.0.0/15 range is allocated to T-Mobile USA, Inc. and announced via AS21928 from United States.