shell:$ nslookup -timeout=2 -retry=1 '61-91-1-228.static.asianet.co.th'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	61-91-1-228.static.asianet.co.th
Address: 61.91.1.228