Robtex

Up: 46.38.24.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 46.38.24.0/23
Down right: 46.38.26.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
46.38.24.2	PTR	host2.dynamic21.l2tp.ttkdv.ru
46.38.24.18	PTR	host18.dynamic21.l2tp.ttkdv.ru
46.38.24.35	PTR	host35.dynamic21.l2tp.ttkdv.ru
46.38.24.96	PTR	host96.dynamic21.l2tp.ttkdv.ru
46.38.24.173	PTR	host173.dynamic21.l2tp.ttkdv.ru
46.38.24.183	PTR	host183.dynamic21.l2tp.ttkdv.ru
46.38.24.201	PTR	host201.dynamic21.l2tp.ttkdv.ru
46.38.24.202	PTR	host202.dynamic21.l2tp.ttkdv.ru
46.38.24.209	PTR	host209.dynamic21.l2tp.ttkdv.ru
46.38.24.209	A	mail.xinyuan.net
46.38.24.209	A	baiduwww.ehr86.com
46.38.24.218	PTR	host218.dynamic21.l2tp.ttkdv.ru
46.38.25.11	PTR	host11.dynamic22.l2tp.ttkdv.ru
46.38.25.20	PTR	host20.dynamic22.l2tp.ttkdv.ru
46.38.25.45	PTR	host45.dynamic22.l2tp.ttkdv.ru
46.38.25.76	PTR	host76.dynamic22.l2tp.ttkdv.ru
46.38.25.92	PTR	host92.dynamic22.l2tp.ttkdv.ru
46.38.25.103	PTR	host103.dynamic22.l2tp.ttkdv.ru
46.38.25.127	PTR	host127.dynamic22.l2tp.ttkdv.ru
46.38.25.129	PTR	host129.dynamic22.l2tp.ttkdv.ru
46.38.25.190	PTR	host190.dynamic22.l2tp.ttkdv.ru
46.38.25.195	PTR	host195.dynamic22.l2tp.ttkdv.ru
46.38.25.212	PTR	host212.dynamic22.l2tp.ttkdv.ru
46.38.25.216	PTR	host216.dynamic22.l2tp.ttkdv.ru
46.38.25.227	PTR	host227.dynamic22.l2tp.ttkdv.ru
46.38.27.125	PTR	host125.dynamic24.l2tp.ttkdv.ru