Loading HOSTNAMES HOSTNAMES Up: 138.204.48.0/21IPTypeHostname138.204.52.0PTR0.52.204.138.ztectelecom.com.br138.204.52.12A+PTRns1.ztectelecom.com.br138.204.52.13A+PTRns2.ztectelecom.com.br138.204.55.255PTR255.55.204.138.ztectelecom.com.br Latest updates: