Robtex

Up: 213.145.42.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 213.145.43.0/25
Down right: 213.145.43.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.145.43.2	A+PTR	rgsh.zebratelecom.ru
213.145.43.3	A	ru-msk-b5-c5300dialup3.zebratelecom.ru
213.145.43.4	A+PTR	operators.zebratelecom.ru
213.145.43.5	A+PTR	ru-msk-b5-c3600dialup2.zebratelecom.ru
213.145.43.6	A	dyatchin.zebratelecom.ru
213.145.43.7	A+PTR	levis.zebratelecom.ru
213.145.43.13	A+PTR	ru-msk-b5-c5300voip-4.zebratelecom.ru
213.145.43.14	A	ru-msk-m9-c5300voip-1.zebratelecom.ru
213.145.43.15	A+PTR	ru-msk-b5-c3600voip-3.zebratelecom.ru
213.145.43.42	A+PTR	sip2.zebra.ru
213.145.43.43	A+PTR	au2.zebratelecom.ru
213.145.43.45	A	au.zebratelecom.ru
213.145.43.50	PTR	ns1.cloudzebra.ru
213.145.43.50	A	ns2.ztel.ru
213.145.43.50	A	ns2.zebratelecom.ru
213.145.43.53	A	ns3.zebratelecom.ru
213.145.43.103	A	pvz.zebratelecom.ru
213.145.43.128	A+PTR	sip.zebra.ru
213.145.43.178	A	free-phone-number.ru
213.145.43.178	A	8-800-number.ru
213.145.43.178	A	8-800number.ru
213.145.43.254	A	ru-msk-b5-farm.zebratelecom.ru