Robtex

Up: 208.173.128.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 208.173.192.0/19
Down right: 208.173.224.0/19

IP	Type	Hostname
208.173.208.11	A	cflowd.amd.cw.net
208.173.212.2	PTR	vodafone-gw1.amt.cw.net
208.173.212.137	PTR	ge-3-0-0-504-zcr2.amt.cw.net
208.173.212.138	A+PTR	interconnect-services-bv1.amt.cw.net
208.173.212.141	A+PTR	ae2-xcr1.att.cw.net
208.173.213.166	PTR	doggedlabs-gw.att.cw.net