Robtex

Up: 212.33.226.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.33.227.0/25
Down right: 212.33.227.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.33.227.13	PTR	net227-13.perm.ertelecom.ru
212.33.227.13	A	nytva.perm.ru
212.33.227.13	A	mail.nytva.perm.ru
212.33.227.16	PTR	212x33x227x16.static-business.perm.ertelecom.ru
212.33.227.16	A	domru.kcena.ru
212.33.227.28	PTR	212x33x227x28.static-business.perm.ertelecom.ru
212.33.227.41	PTR	212x33x227x41.static-business.perm.ertelecom.ru
212.33.227.59	PTR	212x33x227x59.static-business.perm.ertelecom.ru
212.33.227.101	A	mail.bodyboom.ru
212.33.227.104	PTR	pfpg.ru
212.33.227.105	A+PTR	mail.aster.perm.ru
212.33.227.105	A	aster.perm.ru
212.33.227.106	PTR	212x33x227x106.static-business.perm.ertelecom.ru
212.33.227.164	PTR	212x33x227x164.static-business.perm.ertelecom.ru
212.33.227.165	PTR	212x33x227x165.static-business.perm.ertelecom.ru
212.33.227.165	A	mail.avt-sport.ru
212.33.227.165	A	mail.avtsport.ru
212.33.227.196	A+PTR	mail.demidich.ru
212.33.227.196	A	mail2.permincom.ru