Robtex

Up: 216.134.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 216.134.24.0/22
Down right: 216.134.28.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.134.24.5	A+PTR	grant.sweetwater.tstc.edu
216.134.24.90	PTR	ansontigers.com
216.134.24.90	PTR	www.ansontigers.com
216.134.24.90	PTR	www.bairdisd.net
216.134.24.173	PTR	resc14mail.esc14.net
216.134.25.37	A	eisdmail.eulaisd.net