Robtex

Up: 46.147.24.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 46.147.28.0/23
Down right: 46.147.30.0/23

IP	Type	Hostname
46.147.28.57	PTR	46x147x28x57.dynamic.perm.ertelecom.ru
46.147.28.101	PTR	46x147x28x101.dynamic.perm.ertelecom.ru
46.147.28.154	PTR	46x147x28x154.dynamic.perm.ertelecom.ru
46.147.29.64	PTR	46x147x29x64.dynamic.perm.ertelecom.ru
46.147.29.95	PTR	46x147x29x95.dynamic.perm.ertelecom.ru
46.147.29.109	PTR	46x147x29x109.dynamic.perm.ertelecom.ru
46.147.29.126	PTR	46x147x29x126.dynamic.perm.ertelecom.ru
46.147.29.136	PTR	46x147x29x136.dynamic.perm.ertelecom.ru
46.147.29.144	PTR	46x147x29x144.dynamic.perm.ertelecom.ru
46.147.29.170	PTR	46x147x29x170.dynamic.perm.ertelecom.ru
46.147.29.210	PTR	46x147x29x210.dynamic.perm.ertelecom.ru
46.147.29.241	PTR	46x147x29x241.dynamic.perm.ertelecom.ru
46.147.30.99	PTR	46x147x30x99.dynamic.perm.ertelecom.ru
46.147.30.133	PTR	46x147x30x133.dynamic.perm.ertelecom.ru
46.147.30.138	PTR	46x147x30x138.dynamic.perm.ertelecom.ru
46.147.30.176	PTR	46x147x30x176.dynamic.perm.ertelecom.ru
46.147.31.38	PTR	46x147x31x38.dynamic.perm.ertelecom.ru
46.147.31.107	PTR	46x147x31x107.dynamic.perm.ertelecom.ru
46.147.31.122	PTR	46x147x31x122.dynamic.perm.ertelecom.ru
46.147.31.130	PTR	46x147x31x130.dynamic.perm.ertelecom.ru
46.147.31.255	PTR	46x147x31x255.dynamic.perm.ertelecom.ru