Robtex

Up: 192.155.44.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.155.44.0/25
Down right: 192.155.44.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.155.44.5	A+PTR	ns1.ubmits.com
192.155.44.5	A	ns1.cmpnet.com
192.155.44.5	A	ns1.ubm-us.net
192.155.44.10	A+PTR	ns2.ubmits.com
192.155.44.10	A	ns2.ubm-us.net
192.155.44.10	A	ns2.cmpnet.com
192.155.44.17	A+PTR	mail1.ubm-us.net
192.155.44.17	A	mailhost.ubm-us.net
192.155.44.17	A	mail1.ubm-us.net.ubmits.com
192.155.44.220	A+PTR	ftp0.ubm-us.net
192.155.44.220	A	ftp0.ubm-us.net.ubmits.com
192.155.44.230	A	ftp.jointhegamenetwork.com