Robtex

Up: 5.19.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 5.19.0.0/19
Down right: 5.19.32.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.19.0.0	PTR	5x19x0x0.static-business.iz.ertelecom.ru
5.19.0.6	PTR	5x19x0x6.static-business.iz.ertelecom.ru
5.19.0.7	PTR	5x19x0x7.static-business.iz.ertelecom.ru
5.19.0.36	PTR	5x19x0x36.static-business.iz.ertelecom.ru
5.19.0.99	PTR	5x19x0x99.static-business.iz.ertelecom.ru
5.19.0.195	PTR	5x19x0x195.static-business.iz.ertelecom.ru
5.19.1.9	PTR	5x19x1x9.static-business.iz.ertelecom.ru
5.19.1.47	PTR	5x19x1x47.static-business.iz.ertelecom.ru
5.19.1.193	PTR	5x19x1x193.static-business.spb.ertelecom.ru
5.19.2.2	PTR	5x19x2x2.static-business.iz.ertelecom.ru
5.19.3.0	PTR	5x19x3x0.static-business.iz.ertelecom.ru
5.19.3.1	PTR	5x19x3x1.static-business.iz.ertelecom.ru
5.19.3.2	PTR	5x19x3x2.static-business.iz.ertelecom.ru
5.19.3.3	PTR	5x19x3x3.static-business.iz.ertelecom.ru
5.19.3.64	PTR	5x19x3x64.static-business.iz.ertelecom.ru
5.19.3.65	PTR	5x19x3x65.static-business.iz.ertelecom.ru
5.19.3.66	PTR	5x19x3x66.static-business.iz.ertelecom.ru
5.19.3.67	PTR	5x19x3x67.static-business.iz.ertelecom.ru
5.19.3.128	PTR	5x19x3x128.static-business.iz.ertelecom.ru
5.19.3.129	PTR	5x19x3x129.static-business.iz.ertelecom.ru
5.19.3.130	PTR	5x19x3x130.static-business.iz.ertelecom.ru
5.19.3.131	PTR	5x19x3x131.static-business.iz.ertelecom.ru
5.19.3.192	PTR	5x19x3x192.static-business.iz.ertelecom.ru
5.19.3.193	PTR	5x19x3x193.static-business.iz.ertelecom.ru
5.19.3.194	PTR	5x19x3x194.static-business.iz.ertelecom.ru
5.19.3.195	PTR	5x19x3x195.static-business.iz.ertelecom.ru
5.19.4.2	PTR	5x19x4x2.static-business.iz.ertelecom.ru
5.19.4.15	PTR	relay.zmk.spb.ru
5.19.4.35	PTR	5x19x4x35.static-business.iz.ertelecom.ru
5.19.4.35	A	bambino-spb.ru
5.19.4.70	PTR	5x19x4x70.static-business.spb.ertelecom.ru
5.19.4.70	A	www.minecraftserver.ru
5.19.4.103	PTR	5x19x4x103.static-business.iz.ertelecom.ru
5.19.4.103	A	ostrovradugi.ru
5.19.4.208	PTR	zetmaxhome.ru
5.19.5.63	PTR	5x19x5x63.static-business.iz.ertelecom.ru
5.19.5.127	PTR	5x19x5x127.static-business.iz.ertelecom.ru
5.19.5.165	PTR	5x19x5x165.static-business.iz.ertelecom.ru
5.19.5.165	A	retrofire.ru
5.19.5.165	A	lyricsmode.ru
5.19.5.232	PTR	5x19x5x232.static-business.iz.ertelecom.ru
5.19.6.53	PTR	5x19x6x53.static-business.iz.ertelecom.ru
5.19.6.53	A	rapidrent.ru
5.19.6.173	PTR	5x19x6x173.static-business.iz.ertelecom.ru
5.19.6.173	A	www.clona.ru
5.19.7.18	PTR	5x19x7x18.static-business.iz.ertelecom.ru
5.19.7.199	PTR	5x19x7x199.static-business.iz.ertelecom.ru
5.19.8.2	PTR	5x19x8x2.static-business.iz.ertelecom.ru
5.19.9.35	PTR	5x19x9x35.static-business.iz.ertelecom.ru
5.19.9.201	PTR	5x19x9x201.static-business.iz.ertelecom.ru
5.19.18.1	PTR	5x19x18x1.static-business.iz.ertelecom.ru
5.19.19.1	PTR	5x19x19x1.static-business.iz.ertelecom.ru
5.19.35.117	PTR	5x19x35x117.static-business.iz.ertelecom.ru
5.19.63.2	PTR	5x19x63x2.static-business.iz.ertelecom.ru