Robtex

Up: 212.12.12.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.12.12.0/25
Down right: 212.12.12.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.12.12.0	PTR	rev-0-12-12-212.tula.net
212.12.12.12	PTR	rev-12-12-12-212.tula.net
212.12.12.12	A	biqueto.com
212.12.12.13	A	hasankayapinar.com
212.12.12.123	PTR	rev-123-12-12-212.tula.net
212.12.12.123	A	cy302.com
212.12.12.123	A	zy7g.com
212.12.12.255	PTR	rev-255-12-12-212.tula.net