Robtex

Up: 188.187.0.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 188.187.0.0/25
Down right: 188.187.0.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
188.187.0.0	PTR	188x187x0x0.static-business.spb.ertelecom.ru
188.187.0.5	PTR	mail.mail.com
188.187.0.7	PTR	188x187x0x7.static-business.spb.ertelecom.ru
188.187.0.44	PTR	domru.forum.bacq.ru
188.187.0.44	A	bacq.ru
188.187.0.44	A	musicaltravel.ru
188.187.0.48	PTR	gateway.hydroteks.ru
188.187.0.48	A	pop3.hydroteks.ru
188.187.0.48	A	pop.hydroteks.ru
188.187.0.83	PTR	baltss.ru
188.187.0.83	PTR	gksofia.ru
188.187.0.83	PTR	lenenergomash.ru
188.187.0.93	A+PTR	mxe.antenna.spb.ru
188.187.0.112	A+PTR	renacomp.ru
188.187.0.112	A	renashop.ru
188.187.0.112	A	badisoft.ru
188.187.0.125	PTR	188x187x0x125.static-business.spb.ertelecom.ru
188.187.0.125	A	myspig.ru
188.187.0.171	A	www.reklamacenter.ru
188.187.0.178	PTR	mydomain.ru
188.187.0.206	PTR	188x187x0x206.static-business.spb.ertelecom.ru
188.187.0.207	PTR	188x187x0x207.static-business.spb.ertelecom.ru
188.187.0.230	PTR	188x187x0x230.static-business.spb.ertelecom.ru
188.187.0.230	A	deptech.ru
188.187.0.239	PTR	mail.optimal-service.ru
188.187.0.239	A	mail1.tkachik.ru
188.187.0.239	A	m.opsrv.ru
188.187.0.245	PTR	188x187x0x245.static-business.spb.ertelecom.ru
188.187.0.245	A	kgfi.ru