Robtex

Up: 72.245.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 72.245.152.0/22
Down right: 72.245.156.0/22

IP	Type	Hostname
72.245.152.18	A	nyscserver.broadwayelectric.net
72.245.152.18	A	mail.newyorksecurity.com
72.245.153.50	A	ns1.godssingles.com
72.245.153.82	A+PTR	mailserver.ilight.com
72.245.153.82	A	mail.smartcfd.com
72.245.153.210	A	cpvcom.com
72.245.153.210	A	www.cpvcom.com
72.245.153.212	A	mail2.cooperkatz.com
72.245.154.204	A	contiauto.com
72.245.155.74	A+PTR	h-72-245-155-74.nycm.ny.globalcapacity.com
72.245.155.74	A	0044825.lodgenet.net
72.245.156.2	A	h-72-245-156-2.nycm.ny.megapath.net
72.245.156.83	A+PTR	h-72-245-156-83.nycm.ny.globalcapacity.com
72.245.156.93	A	h-72-245-156-93.nycm.ny.globalcapacity.com
72.245.156.149	A	h-72-245-156-149.nycm.ny.globalcapacity.com
72.245.156.162	PTR	h-72-245-156-162.nycm.ny.globalcapacity.com
72.245.156.164	A	mail.haysco.com
72.245.156.174	A	h-72-245-156-174.nycm.ny.globalcapacity.com
72.245.156.209	A+PTR	h-72-245-156-209.nycm.ny.globalcapacity.com
72.245.157.11	A+PTR	h-72-245-157-11.nycm.ny.globalcapacity.com
72.245.157.11	A	mail2.bighawk.com
72.245.157.189	PTR	h-72-245-157-189.nycm.ny.globalcapacity.com
72.245.158.98	A	0050788.lodgenet.net
72.245.158.178	A	mail.alphawavecorp.com
72.245.159.253	A+PTR	h-72-245-159-253.nycm.ny.globalcapacity.com