Robtex

Up: 216.55.84.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.55.85.0/25
Down right: 216.55.85.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.55.85.4	PTR	216.55.85.4.ip.anet.com
216.55.85.4	A	knl-relay.kenandlori.com
216.55.85.22	PTR	216.55.85.22.ip.anet.com
216.55.85.22	A	superripper.com
216.55.85.22	A	komatsumobilecrushers.com
216.55.85.25	A+PTR	216.55.85.25.ip.anet.com
216.55.85.25	A	youngpine.com
216.55.85.57	A	komatsumining.net
216.55.85.67	A	mail.netfuel.com
216.55.85.73	A	216.55.85.73.ip.anet.com
216.55.85.89	PTR	connectmysites.com
216.55.85.91	PTR	connectedtechnologies.us
216.55.85.92	PTR	rcvr2.chi.connected.cc
216.55.85.109	A	216.55.85.109.ip.anet.com
216.55.85.131	PTR	mail.extendemail.com
216.55.85.131	A	smtpedge.extendemail.com
216.55.85.174	A	mail1.extendasp.net
216.55.85.174	A	3dhorizons.com
216.55.85.182	PTR	216.55.85.182.ip.anet.com
216.55.85.182	A	extendasp.com
216.55.85.182	A	ns1.extendasp.net
216.55.85.184	PTR	216.55.85.184.ip.anet.com
216.55.85.184	A	1800recordacall.com
216.55.85.184	A	800reference.com
216.55.85.188	PTR	216.55.85.188.ip.anet.com
216.55.85.188	A	smtpedge.solveit4you.com
216.55.85.188	A	solveit4you.com
216.55.85.190	PTR	216.55.85.190.ip.anet.com
216.55.85.190	A	extendasp.net
216.55.85.200	A+PTR	216.55.85.200.ip.anet.com
216.55.85.202	A+PTR	216.55.85.202.ip.anet.com
216.55.85.205	A	216.55.85.205.ip.anet.com
216.55.85.228	A	216.55.85.228.ip.anet.com
216.55.85.230	A	panther.catsden.net
216.55.85.231	A+PTR	www.catsden.net
216.55.85.231	A	catsden.net
216.55.85.232	A+PTR	ns6.catsden.net
216.55.85.232	A	216.55.85.232.ip.anet.com
216.55.85.233	A+PTR	relay.catsden.net
216.55.85.233	A	216.55.85.233.ip.anet.com
216.55.85.234	A+PTR	webhost.catsden.net
216.55.85.234	A	calanet.net
216.55.85.234	A	chaosengineering.com
216.55.85.235	A	irc.anthrochat.net