Robtex

Up: 209.97.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 209.97.80.0/23
Down right: 209.97.82.0/23

IP	Type	Hostname
209.97.80.0	PTR	host-209-97-80-0.newwavecomm.net
209.97.80.1	A+PTR	host-209-97-80-1.newwavecomm.net
209.97.80.20	A	host-209-97-80-20.newwavecomm.net
209.97.80.30	A	host-209-97-80-30.newwavecomm.net
209.97.80.228	A	host-209-97-80-228.newwavecomm.net