Robtex

Up: 216.97.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.97.240.0/21
Down right: 216.97.248.0/21

IP	Type	Hostname
216.97.240.28	PTR	www.canufly.net
216.97.240.71	A	a.cache.datasync.com
216.97.240.74	PTR	ircore.com
216.97.242.40	PTR	mail.mcs.net
216.97.242.178	PTR	environmentmasters.com
216.97.243.2	A	foxeverett2.expetel.net
216.97.243.3	A	foxeverett3.expetel.net
216.97.243.4	A	foxeverett4.expetel.net
216.97.243.5	A	foxeverett5.expetel.net
216.97.243.99	A	gregprice.net
216.97.249.227	A+PTR	smtp.fortenberrymcnamara.com
216.97.249.228	A	mail.fortenberrymcnamara.com
216.97.253.5	PTR	mail.ns2.md