Robtex

Up: 212.33.18.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.33.19.0/25
Down right: 212.33.19.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.33.19.6	A+PTR	mail.saratovavto.ru
212.33.19.6	A	mx2.saratovavto.ru
212.33.19.6	A	mx1.saratovavto.ru
212.33.19.34	A+PTR	mail2.real-bs.com
212.33.19.34	A	mail.tritec-group.ru
212.33.19.34	A	mail.edu-tritec.ru
212.33.19.36	PTR	vpn.real-bs.ru
212.33.19.36	A	vpn.real-bs.com
212.33.19.36	A	vpn.edu-tritec.ru
212.33.19.246	A+PTR	ns2.gt-sar.ru
212.33.19.246	A	mail2.gt-sar.ru
212.33.19.255	PTR	pppoe-212-33-19-255.san.ru