Robtex

Up: 104.247.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 104.247.48.0/21
Down right: 104.247.56.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
104.247.49.140	A+PTR	trexsim.com
104.247.51.16	A	heat.mamkschools.org
104.247.51.17	A	library.mamkschools.org
104.247.52.18	A	mx.relevent.net
104.247.52.38	A	barracuda.allen-stevenson.org
104.247.52.41	A+PTR	library.allen-stevenson.org
104.247.52.42	A	mail.allen-stevenson.org
104.247.52.44	A	pix.allen-stevenson.org
104.247.52.74	PTR	104.247.52.74.lightower.net
104.247.52.159	PTR	104.247.52.159.lightower.net
104.247.52.240	PTR	104.247.52.240.lightower.net
104.247.54.12	A+PTR	mail.rhgresearch.net
104.247.54.12	A	mail.epoch-funds.com
104.247.54.182	A	mail.invictusrg.sg
104.247.55.70	A	host193.alkeoncapital.com
104.247.55.70	A	smtp.alkeoncapital.com
104.247.55.115	A+PTR	webmail.oddony.com
104.247.55.115	A	mail.oddony.com
104.247.56.2	PTR	104.247.56.2.lightower.net
104.247.56.42	PTR	104.247.56.42.lightower.net
104.247.56.118	PTR	104.247.56.118.lightower.net
104.247.56.160	PTR	104.247.56.160.lightower.net
104.247.56.160	A	mail.goodwinhouse.org
104.247.56.227	A	mail.cogr.edu
104.247.57.70	PTR	104.247.57.70.lightower.net
104.247.57.210	PTR	104.247.57.210.lightower.net
104.247.57.210	A	rmm.eastcoastnetwork.com
104.247.57.210	A	remote.ecnetserv.com
104.247.61.230	PTR	104.247.61.230.lightower.net
104.247.61.230	A	mail.ontoss.com
104.247.61.245	PTR	104.247.61.245.lightower.net
104.247.61.245	A	endpoint.ontoss.com
104.247.61.249	PTR	104.247.61.249.lightower.net
104.247.61.249	A	mxdefense.winnetu.com
104.247.61.249	A	mxdefense.tsd-lawfirm.com
104.247.61.251	PTR	104.247.61.251.lightower.net
104.247.61.253	PTR	104.247.61.253.lightower.net