Robtex

Up: 63.27.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 63.27.16.0/21
Down right: 63.27.24.0/21

IP	Type	Hostname
63.27.16.2	A	1cust4098.an1.dca16.da.uu.net
63.27.16.17	A+PTR	ns-tmtr.verizonwireless.com
63.27.16.87	A+PTR	fltmtrcolec14m.verizon.com
63.27.16.88	A+PTR	fltmtrcolec14p1.verizon.com
63.27.18.16	A+PTR	tmtr-nsi2.verizonwireless.com
63.27.23.51	A+PTR	1cust5939.an1.dca16.da.uu.net
63.27.26.8	A+PTR	tmtrflaai-ias01la-sharefile-tpa.verizonwireless.com
63.27.26.14	A	vzid-dr.verizonwireless.com
63.27.26.14	A	tmtrflaai-ias01la-vzidr7-tpa.verizon.com
63.27.26.15	A	cim-dr.g.vzw.com
63.27.26.29	A+PTR	tmtrflaai-ias01la-ws1exch-tpa.verizonwireless.com
63.27.27.14	A+PTR	tmtrflaai-7as01las-adns.verizonwireless.com
63.27.28.2	A+PTR	1cust7170.an1.dca16.da.uu.net