Robtex

Up: 63.27.24.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 63.27.26.0/24
Down right: 63.27.27.0/24

IP	Type	Hostname
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
63.27.26.15	A	tmtrflaai-ias01la-cimr7-tpa.verizon.com
63.27.26.29	A+PTR	tmtrflaai-ias01la-ws1exch-tpa.verizonwireless.com
63.27.27.14	A+PTR	tmtrflaai-7as01las-adns.verizonwireless.com