AS21928 173.4.81.0/24 CIDR and IP Range Summary.ASN: 21928 - T-Mobile USA Inc.Host Count: 254Addressable IPs: 256 173.4.81.0173.4.81.1173.4.81.2173.4.81.3173.4.81.4173.4.81.5173.4.81.6173.4.81.7173.4.81.8173.4.81.9173.4.81.10173.4.81.11173.4.81.12173.4.81.13173.4.81.14173.4.81.15173.4.81.16173.4.81.17173.4.81.18173.4.81.19173.4.81.20173.4.81.21173.4.81.22173.4.81.23173.4.81.24173.4.81.25173.4.81.26173.4.81.27173.4.81.28173.4.81.29173.4.81.30173.4.81.31173.4.81.32173.4.81.33173.4.81.34173.4.81.35173.4.81.36173.4.81.37173.4.81.38173.4.81.39173.4.81.40173.4.81.41173.4.81.42173.4.81.43173.4.81.44173.4.81.45173.4.81.46173.4.81.47173.4.81.48173.4.81.49173.4.81.50173.4.81.51173.4.81.52173.4.81.53173.4.81.54173.4.81.55173.4.81.56173.4.81.57173.4.81.58173.4.81.59173.4.81.60173.4.81.61173.4.81.62173.4.81.63173.4.81.64173.4.81.65173.4.81.66173.4.81.67173.4.81.68173.4.81.69173.4.81.70173.4.81.71173.4.81.72173.4.81.73173.4.81.74173.4.81.75173.4.81.76173.4.81.77173.4.81.78173.4.81.79173.4.81.80173.4.81.81173.4.81.82173.4.81.83173.4.81.84173.4.81.85173.4.81.86173.4.81.87173.4.81.88173.4.81.89173.4.81.90173.4.81.91173.4.81.92173.4.81.93173.4.81.94173.4.81.95173.4.81.96173.4.81.97173.4.81.98173.4.81.99173.4.81.100173.4.81.101173.4.81.102173.4.81.103173.4.81.104173.4.81.105173.4.81.106173.4.81.107173.4.81.108173.4.81.109173.4.81.110173.4.81.111173.4.81.112173.4.81.113173.4.81.114173.4.81.115173.4.81.116173.4.81.117173.4.81.118173.4.81.119173.4.81.120173.4.81.121173.4.81.122173.4.81.123173.4.81.124173.4.81.125173.4.81.126173.4.81.127173.4.81.128173.4.81.129173.4.81.130173.4.81.131173.4.81.132173.4.81.133173.4.81.134173.4.81.135173.4.81.136173.4.81.137173.4.81.138173.4.81.139173.4.81.140173.4.81.141173.4.81.142173.4.81.143173.4.81.144173.4.81.145173.4.81.146173.4.81.147173.4.81.148173.4.81.149173.4.81.150173.4.81.151173.4.81.152173.4.81.153173.4.81.154173.4.81.155173.4.81.156173.4.81.157173.4.81.158173.4.81.159173.4.81.160173.4.81.161173.4.81.162173.4.81.163173.4.81.164173.4.81.165173.4.81.166173.4.81.167173.4.81.168173.4.81.169173.4.81.170173.4.81.171173.4.81.172173.4.81.173173.4.81.174173.4.81.175173.4.81.176173.4.81.177173.4.81.178173.4.81.179173.4.81.180173.4.81.181173.4.81.182173.4.81.183173.4.81.184173.4.81.185173.4.81.186173.4.81.187173.4.81.188173.4.81.189173.4.81.190173.4.81.191173.4.81.192173.4.81.193173.4.81.194173.4.81.195173.4.81.196173.4.81.197173.4.81.198173.4.81.199173.4.81.200173.4.81.201173.4.81.202173.4.81.203173.4.81.204173.4.81.205173.4.81.206173.4.81.207173.4.81.208173.4.81.209173.4.81.210173.4.81.211173.4.81.212173.4.81.213173.4.81.214173.4.81.215173.4.81.216173.4.81.217173.4.81.218173.4.81.219173.4.81.220173.4.81.221173.4.81.222173.4.81.223173.4.81.224173.4.81.225173.4.81.226173.4.81.227173.4.81.228173.4.81.229173.4.81.230173.4.81.231173.4.81.232173.4.81.233173.4.81.234173.4.81.235173.4.81.236173.4.81.237173.4.81.238173.4.81.239173.4.81.240173.4.81.241173.4.81.242173.4.81.243173.4.81.244173.4.81.245173.4.81.246173.4.81.247173.4.81.248173.4.81.249173.4.81.250173.4.81.251173.4.81.252173.4.81.253173.4.81.254173.4.81.255