Robtex

Up: 144.220.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 144.220.0.0/17
Down right: 144.220.128.0/17

IP	Type	Hostname
144.220.3.2	PTR	n144-220-000-000.static.ge.com
144.220.18.2	PTR	n144-220-000-000.static.ge.com
144.220.28.2	PTR	n144-220-000-000.static.ge.com
144.220.129.2	PTR	n144-220-000-000.static.ge.com
144.220.227.3	PTR	n144-220-000-000.static.ge.com