Robtex

Up: 216.238.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.238.240.0/21
Down right: 216.238.248.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.238.240.14	A+PTR	s14-240-238-216.rse.in.wi-power.com
216.238.240.110	A+PTR	s110-240-238-216.rse.in.wi-power.com
216.238.240.126	A+PTR	s126-240-238-216.rse.in.wi-power.com
216.238.240.154	A+PTR	s154-240-238-216.rse.in.wi-power.com
216.238.240.172	A+PTR	s172-240-238-216.rse.in.wi-power.com
216.238.240.230	PTR	s230-240-238-216.rse.in.wi-power.com
216.238.241.250	A	peyton.harcourtoutlines.com
216.238.244.92	A	rosssampson.com
216.238.248.200	A	s200-248-238-216.lyn.tx.wi-power.com
216.238.248.208	A+PTR	s208-248-238-216.lyn.tx.wi-power.com
216.238.248.252	A	s252-248-238-216.lyn.tx.wi-power.com
216.238.249.69	A	s69-249-238-216.lyn.tx.wi-power.com
216.238.249.116	A	s116-249-238-216.lyn.tx.wi-power.com
216.238.249.161	A+PTR	s161-249-238-216.lyn.tx.wi-power.com
216.238.249.169	A	s169-249-238-216.lyn.tx.wi-power.com
216.238.249.243	A+PTR	s243-249-238-216.lyn.tx.wi-power.com
216.238.251.7	A	s7-251-238-216.dvec.az.wi-power.com
216.238.251.98	A+PTR	s98-251-238-216.dvec.az.wi-power.com
216.238.254.75	A	s75-254-238-216.dvec.az.wi-power.com
216.238.254.113	A+PTR	s113-254-238-216.dvec.az.wi-power.com
216.238.254.153	A	s153-254-238-216.dvec.az.wi-power.com
216.238.255.10	A	swift-murphypost32.org
216.238.255.11	A	s11-255-238-216.dvec.az.wi-power.com
216.238.255.16	A+PTR	s16-255-238-216.dvec.az.wi-power.com
216.238.255.16	A	danmary.org
216.238.255.16	A	smtp.enlightener.net
216.238.255.50	A+PTR	s50-255-238-216.dvec.az.wi-power.com
216.238.255.115	PTR	s115-255-238-216.dvec.az.wi-power.com
216.238.255.161	A+PTR	s161-255-238-216.dvec.az.wi-power.com