Robtex

Up: 192.67.56.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.67.56.0/25
Down right: 192.67.56.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.67.56.70	A+PTR	fedexfreight.fedex.com
192.67.56.70	A	www.fedexfreight.fedex.com
192.67.56.70	A	fxf.fedex.com
192.67.56.76	A	ecom-gateway-ws.freight.fedex.com
192.67.56.100	PTR	mail.freight.fedex.com
192.67.56.101	PTR	mail2.freight.fedex.com
192.67.56.102	A	ftp.freight.fedex.com
192.67.56.103	A+PTR	shelby.freight.fedex.com
192.67.56.104	A+PTR	edi2.fedexfreight.fedex.com
192.67.56.105	A+PTR	edi.fedexfreight.fedex.com
192.67.56.117	A+PTR	r23.dns.fedex.com
192.67.56.118	A+PTR	r24.dns.fedex.com