Robtex

Up: 83.149.22.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 83.149.22.0/25
Down right: 83.149.22.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.149.22.10	A+PTR	vlg-nssps1.megafon.ru
83.149.22.12	A+PTR	wap-sg.megafonvolga.ru
83.149.22.13	A+PTR	mfs2.mgsm.ru
83.149.22.14	A+PTR	vlg-ns1.megafon.ru
83.149.22.14	A	ns1.mgsm.ru
83.149.22.14	A	ns.mgsm.ru
83.149.22.15	PTR	vlg-ns1.megafon.ru
83.149.22.15	A	ns2.megafonvolga.ru
83.149.22.15	A	ns2.mgsm.ru
83.149.22.16	A+PTR	mail.megafonvolga.ru
83.149.22.18	A	service.mgsm.ru
83.149.22.18	A	serviceguide.mgsm.ru
83.149.22.20	A	sam-dte-journal.megafonvolga.ru
83.149.22.23	A+PTR	proxy.mgsm.ru
83.149.22.24	PTR	lex.mgsm.ru.22.149.83.in-addr.arpa
83.149.22.25	A+PTR	temsftp.megafonvolga.ru
83.149.22.29	A+PTR	cms.megafonvolga.ru
83.149.22.31	PTR	speedtest.megafonvolga.ru
83.149.22.31	A	sftp.megafon.ru
83.149.22.32	A	vlg-ext-adns-sng.megafon.ru
83.149.22.34	A+PTR	lex.megafonvolga.ru
83.149.22.38	A+PTR	ftp.megafonvolga.ru
83.149.22.51	A+PTR	ironport1.megafonvolga.ru
83.149.22.52	A+PTR	ironport2.megafonvolga.ru
83.149.22.62	A	vlg-ums-ns2.megafon.ru