AS21928 173.4.28.0/24 CIDR and IP Range Summary.ASN: 21928 - T-Mobile USA Inc.Host Count: 254Addressable IPs: 256 173.4.28.0173.4.28.1173.4.28.2173.4.28.3173.4.28.4173.4.28.5173.4.28.6173.4.28.7173.4.28.8173.4.28.9173.4.28.10173.4.28.11173.4.28.12173.4.28.13173.4.28.14173.4.28.15173.4.28.16173.4.28.17173.4.28.18173.4.28.19173.4.28.20173.4.28.21173.4.28.22173.4.28.23173.4.28.24173.4.28.25173.4.28.26173.4.28.27173.4.28.28173.4.28.29173.4.28.30173.4.28.31173.4.28.32173.4.28.33173.4.28.34173.4.28.35173.4.28.36173.4.28.37173.4.28.38173.4.28.39173.4.28.40173.4.28.41173.4.28.42173.4.28.43173.4.28.44173.4.28.45173.4.28.46173.4.28.47173.4.28.48173.4.28.49173.4.28.50173.4.28.51173.4.28.52173.4.28.53173.4.28.54173.4.28.55173.4.28.56173.4.28.57173.4.28.58173.4.28.59173.4.28.60173.4.28.61173.4.28.62173.4.28.63173.4.28.64173.4.28.65173.4.28.66173.4.28.67173.4.28.68173.4.28.69173.4.28.70173.4.28.71173.4.28.72173.4.28.73173.4.28.74173.4.28.75173.4.28.76173.4.28.77173.4.28.78173.4.28.79173.4.28.80173.4.28.81173.4.28.82173.4.28.83173.4.28.84173.4.28.85173.4.28.86173.4.28.87173.4.28.88173.4.28.89173.4.28.90173.4.28.91173.4.28.92173.4.28.93173.4.28.94173.4.28.95173.4.28.96173.4.28.97173.4.28.98173.4.28.99173.4.28.100173.4.28.101173.4.28.102173.4.28.103173.4.28.104173.4.28.105173.4.28.106173.4.28.107173.4.28.108173.4.28.109173.4.28.110173.4.28.111173.4.28.112173.4.28.113173.4.28.114173.4.28.115173.4.28.116173.4.28.117173.4.28.118173.4.28.119173.4.28.120173.4.28.121173.4.28.122173.4.28.123173.4.28.124173.4.28.125173.4.28.126173.4.28.127173.4.28.128173.4.28.129173.4.28.130173.4.28.131173.4.28.132173.4.28.133173.4.28.134173.4.28.135173.4.28.136173.4.28.137173.4.28.138173.4.28.139173.4.28.140173.4.28.141173.4.28.142173.4.28.143173.4.28.144173.4.28.145173.4.28.146173.4.28.147173.4.28.148173.4.28.149173.4.28.150173.4.28.151173.4.28.152173.4.28.153173.4.28.154173.4.28.155173.4.28.156173.4.28.157173.4.28.158173.4.28.159173.4.28.160173.4.28.161173.4.28.162173.4.28.163173.4.28.164173.4.28.165173.4.28.166173.4.28.167173.4.28.168173.4.28.169173.4.28.170173.4.28.171173.4.28.172173.4.28.173173.4.28.174173.4.28.175173.4.28.176173.4.28.177173.4.28.178173.4.28.179173.4.28.180173.4.28.181173.4.28.182173.4.28.183173.4.28.184173.4.28.185173.4.28.186173.4.28.187173.4.28.188173.4.28.189173.4.28.190173.4.28.191173.4.28.192173.4.28.193173.4.28.194173.4.28.195173.4.28.196173.4.28.197173.4.28.198173.4.28.199173.4.28.200173.4.28.201173.4.28.202173.4.28.203173.4.28.204173.4.28.205173.4.28.206173.4.28.207173.4.28.208173.4.28.209173.4.28.210173.4.28.211173.4.28.212173.4.28.213173.4.28.214173.4.28.215173.4.28.216173.4.28.217173.4.28.218173.4.28.219173.4.28.220173.4.28.221173.4.28.222173.4.28.223173.4.28.224173.4.28.225173.4.28.226173.4.28.227173.4.28.228173.4.28.229173.4.28.230173.4.28.231173.4.28.232173.4.28.233173.4.28.234173.4.28.235173.4.28.236173.4.28.237173.4.28.238173.4.28.239173.4.28.240173.4.28.241173.4.28.242173.4.28.243173.4.28.244173.4.28.245173.4.28.246173.4.28.247173.4.28.248173.4.28.249173.4.28.250173.4.28.251173.4.28.252173.4.28.253173.4.28.254173.4.28.255