Robtex

Up: 83.133.68.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 83.133.69.0/25
Down right: 83.133.69.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.133.69.52	A	tomtomtelematics.com
83.133.69.52	A	tomtomtelematics.us
83.133.69.52	A	tomtommobilitysolutions.net
83.133.69.67	A+PTR	smtp201.tomtomwork.com
83.133.69.68	PTR	smtp202.tomtomwork.com
83.133.69.81	PTR	ns1.tomtomwork.com
83.133.69.81	PTR	smtp10.tomtomwork.com
83.133.69.82	PTR	ns2.tomtomwork.com
83.133.69.82	PTR	smtp12.tomtomwork.com