AS21928 173.4.221.0/24 CIDR and IP Range Summary.ASN: 21928 - T-Mobile USA Inc.Host Count: 254Addressable IPs: 256 173.4.221.0173.4.221.1173.4.221.2173.4.221.3173.4.221.4173.4.221.5173.4.221.6173.4.221.7173.4.221.8173.4.221.9173.4.221.10173.4.221.11173.4.221.12173.4.221.13173.4.221.14173.4.221.15173.4.221.16173.4.221.17173.4.221.18173.4.221.19173.4.221.20173.4.221.21173.4.221.22173.4.221.23173.4.221.24173.4.221.25173.4.221.26173.4.221.27173.4.221.28173.4.221.29173.4.221.30173.4.221.31173.4.221.32173.4.221.33173.4.221.34173.4.221.35173.4.221.36173.4.221.37173.4.221.38173.4.221.39173.4.221.40173.4.221.41173.4.221.42173.4.221.43173.4.221.44173.4.221.45173.4.221.46173.4.221.47173.4.221.48173.4.221.49173.4.221.50173.4.221.51173.4.221.52173.4.221.53173.4.221.54173.4.221.55173.4.221.56173.4.221.57173.4.221.58173.4.221.59173.4.221.60173.4.221.61173.4.221.62173.4.221.63173.4.221.64173.4.221.65173.4.221.66173.4.221.67173.4.221.68173.4.221.69173.4.221.70173.4.221.71173.4.221.72173.4.221.73173.4.221.74173.4.221.75173.4.221.76173.4.221.77173.4.221.78173.4.221.79173.4.221.80173.4.221.81173.4.221.82173.4.221.83173.4.221.84173.4.221.85173.4.221.86173.4.221.87173.4.221.88173.4.221.89173.4.221.90173.4.221.91173.4.221.92173.4.221.93173.4.221.94173.4.221.95173.4.221.96173.4.221.97173.4.221.98173.4.221.99173.4.221.100173.4.221.101173.4.221.102173.4.221.103173.4.221.104173.4.221.105173.4.221.106173.4.221.107173.4.221.108173.4.221.109173.4.221.110173.4.221.111173.4.221.112173.4.221.113173.4.221.114173.4.221.115173.4.221.116173.4.221.117173.4.221.118173.4.221.119173.4.221.120173.4.221.121173.4.221.122173.4.221.123173.4.221.124173.4.221.125173.4.221.126173.4.221.127173.4.221.128173.4.221.129173.4.221.130173.4.221.131173.4.221.132173.4.221.133173.4.221.134173.4.221.135173.4.221.136173.4.221.137173.4.221.138173.4.221.139173.4.221.140173.4.221.141173.4.221.142173.4.221.143173.4.221.144173.4.221.145173.4.221.146173.4.221.147173.4.221.148173.4.221.149173.4.221.150173.4.221.151173.4.221.152173.4.221.153173.4.221.154173.4.221.155173.4.221.156173.4.221.157173.4.221.158173.4.221.159173.4.221.160173.4.221.161173.4.221.162173.4.221.163173.4.221.164173.4.221.165173.4.221.166173.4.221.167173.4.221.168173.4.221.169173.4.221.170173.4.221.171173.4.221.172173.4.221.173173.4.221.174173.4.221.175173.4.221.176173.4.221.177173.4.221.178173.4.221.179173.4.221.180173.4.221.181173.4.221.182173.4.221.183173.4.221.184173.4.221.185173.4.221.186173.4.221.187173.4.221.188173.4.221.189173.4.221.190173.4.221.191173.4.221.192173.4.221.193173.4.221.194173.4.221.195173.4.221.196173.4.221.197173.4.221.198173.4.221.199173.4.221.200173.4.221.201173.4.221.202173.4.221.203173.4.221.204173.4.221.205173.4.221.206173.4.221.207173.4.221.208173.4.221.209173.4.221.210173.4.221.211173.4.221.212173.4.221.213173.4.221.214173.4.221.215173.4.221.216173.4.221.217173.4.221.218173.4.221.219173.4.221.220173.4.221.221173.4.221.222173.4.221.223173.4.221.224173.4.221.225173.4.221.226173.4.221.227173.4.221.228173.4.221.229173.4.221.230173.4.221.231173.4.221.232173.4.221.233173.4.221.234173.4.221.235173.4.221.236173.4.221.237173.4.221.238173.4.221.239173.4.221.240173.4.221.241173.4.221.242173.4.221.243173.4.221.244173.4.221.245173.4.221.246173.4.221.247173.4.221.248173.4.221.249173.4.221.250173.4.221.251173.4.221.252173.4.221.253173.4.221.254173.4.221.255