IP classful addressing Which are valid IPv4 addresses? and what class are they in? and what is their default subnet mask? and length of prefix? What is their network address and their broadcast address? A. 129.22.253.1 B. 265.35.15.67 C. A6:30:12:C3:A4:32:E2 D. 192.168.256.2 E. 1.2.3.4 F. 0010.7b81.4e2c G. 99.99.99.99 H. 222.222.222.222 I. 100.99.98.97 Given: . Network B is IP network 172.17.0.0/16 . The IP address of the router for Network B is 172.17.0.1. What is the subnet mask for a computer attached to network B? What is the broadcast address for this network? Is this network routable on the Internet? A. 127.0.0.1 B. 172.17.0.0 C. 172.17.0.255 D. 255.255.0.0 E. 255.255.255.0 F. 255.0.0.0 Network A is IP network 192.168.100.0/24. Which are valid IP addresses for a computer located on network A? A. 192.168.100.0 B. 192.168.100.1 C. 192.168.100.254 D. 192.168.100.255 E. 127.0.0.1 F. 192.168.100.256