Robtex

Up: 216.59.56.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.59.57.0/25
Down right: 216.59.57.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.59.57.1	A+PTR	c1.uberns.com
216.59.57.1	A	b1.uberns.org
216.59.57.1	A	c1.uberns.us
216.59.57.3	PTR	b3.uberns.com
216.59.57.3	A	b3.uberns.net
216.59.57.3	A	b3.uberns.info
216.59.57.6	A+PTR	b6.uberns.com
216.59.57.6	A	b6.uberns.info
216.59.57.6	A	b6.uberns.org
216.59.57.7	A+PTR	b7.uberns.com
216.59.57.7	A	b7.uberns.net
216.59.57.7	A	b7.uberns.org
216.59.57.90	A	auth00.ns.colospace.com
216.59.57.92	A	ns1.grothdomain.com
216.59.57.93	A+PTR	dns2.4it-inc.com
216.59.57.94	A+PTR	ns3.accessabacus.com
216.59.57.94	A	ns3.rhodiumgroup.com
216.59.57.95	A+PTR	ns5795.totaluptime.net
216.59.57.95	A	secure-ns1.itx.ph
216.59.57.95	A	ns5.rhodium.net
216.59.57.96	A+PTR	ns1.dataprise.net
216.59.57.97	PTR	ns1.hrtc.net
216.59.57.97	A	dns1.hrtc.net
216.59.57.97	A	ns3.ftphosting.net
216.59.57.98	PTR	ns1.whoa.com
216.59.57.98	A	ns2.whoa.com
216.59.57.99	A	ns1.kryptodyne.net
216.59.57.99	A	ns1.celito.net
216.59.57.100	PTR	service-suspended-by-totaluptime.com
216.59.57.100	A	ns5.dnspark.net
216.59.57.100	A	ns1.learningisd.com
216.59.57.101	PTR	ns21.netriplex.com
216.59.57.101	A	ns6.netriplex.com
216.59.57.102	A+PTR	ns3.deltamanagement.se
216.59.57.103	A+PTR	ns103.netriplex.com
216.59.57.202	A+PTR	ns4.deltamanagement.se
216.59.57.203	A+PTR	ns203.netriplex.com