Robtex

Up: 204.155.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 204.155.48.0/22
Down right: 204.155.52.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.155.48.3	A+PTR	x.southwire.com
204.155.48.11	A	x.southwire.com
204.155.48.12	A	x.southwire.com
204.155.48.92	PTR	mysouthwire.com
204.155.48.92	PTR	www.mysouthwire.com
204.155.48.92	PTR	www.senator-wire.com