nmap issue

root@kali:~/pentest# unicornscan 192.168.13.201
TCP open	     netbios-ssn[  139]		from 192.168.13.201  ttl 128
TCP open	    microsoft-ds[  445]		from 192.168.13.201  ttl 128
TCP open	       blackjack[ 1025]		from 192.168.13.201  ttl 128
TCP open	   ms-wbt-server[ 3389]		from 192.168.13.201  ttl 128
root@kali:~/pentest# nmap -sT -sV -O 192.168.13.201 --open

Starting Nmap 6.40 ( http://nmap.org ) at 2014-11-01 13:09 IST
Note: Host seems down. If it is really up, but blocking our ping probes, try -Pn
Nmap done: 1 IP address (0 hosts up) scanned in 0.99 seconds
root@kali:~/pentest# nmap -sT -sV -O 192.168.13.201 --open -e tap0

Starting Nmap 6.40 ( http://nmap.org ) at 2014-11-01 13:09 IST
Note: Host seems down. If it is really up, but blocking our ping probes, try -Pn
Nmap done: 1 IP address (0 hosts up) scanned in 0.90 seconds
root@kali:~/pentest# nmap -p 80 192.168.13.202-252

Starting Nmap 6.40 ( http://nmap.org ) at 2014-11-01 13:41 IST
Nmap scan report for 192.168.13.202
Host is up (0.52s latency).
PORT   STATE SERVICE
80/tcp open  http
MAC Address: 00:50:56:AF:1B:C0 (VMware)

Nmap scan report for 192.168.13.203
Host is up (0.50s latency).
PORT   STATE SERVICE
80/tcp open  http
MAC Address: 00:50:56:AF:60:BE (VMware)

Nmap scan report for 192.168.13.204