Robtex

Up: 216.163.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.163.160.0/21
Down right: 216.163.168.0/21

IP	Type	Hostname
216.163.160.5	A	alt-ny900smtp.zweig-dimenna.com
216.163.160.7	A	alt-ny900smtp2.zweig-dimenna.com
216.163.160.8	A	ny900v.zweig.com
216.163.160.68	PTR	host68.zweig-dimenna.com
216.163.160.200	PTR	ny1.mikeandbrenda.com