Robtex

Up: 31.144.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 31.144.0.0/19
Down right: 31.144.32.0/19

IP	Type	Hostname
31.144.0.0	PTR	31.144-0-0.staticip.vf-ua.net
31.144.0.2	PTR	31.144-0-2.dialup.umc.net.ua
31.144.3.2	PTR	31.144-3-2.dialup.umc.net.ua
31.144.4.129	PTR	31.144-4-129.dialup.umc.net.ua
31.144.11.2	PTR	31.144-11-2.dialup.umc.net.ua
31.144.16.2	PTR	31.144-16-2.dialup.umc.net.ua
31.144.20.131	PTR	31.144-20-131.dialup.umc.net.ua
31.144.20.195	PTR	31.144-20-195.dialup.umc.net.ua
31.144.22.2	PTR	31.144-22-2.dialup.umc.net.ua
31.144.25.65	PTR	31.144-25-65.dialup.umc.net.ua
31.144.25.195	PTR	31.144-25-195.dialup.umc.net.ua
31.144.27.2	PTR	31.144-27-2.dialup.umc.net.ua
31.144.29.2	PTR	31.144-29-2.dialup.umc.net.ua
31.144.32.0	PTR	31.144-32-0.dialup.umc.net.ua
31.144.33.61	PTR	31.144-33-61.dialup.umc.net.ua
31.144.34.2	PTR	31.144-34-2.dialup.umc.net.ua
31.144.36.2	PTR	31.144-36-2.dialup.umc.net.ua
31.144.39.1	PTR	31.144-39-1.dialup.umc.net.ua
31.144.39.3	PTR	31.144-39-3.dialup.umc.net.ua
31.144.39.67	PTR	31.144-39-67.dialup.umc.net.ua
31.144.39.129	PTR	31.144-39-129.dialup.umc.net.ua
31.144.60.0	PTR	31.144-60-0.dialup.umc.net.ua
31.144.60.2	PTR	31.144-60-2.dialup.umc.net.ua
31.144.60.65	PTR	31.144-60-65.dialup.umc.net.ua
31.144.60.67	PTR	31.144-60-67.dialup.umc.net.ua
31.144.60.131	PTR	31.144-60-131.dialup.umc.net.ua
31.144.60.192	PTR	31.144-60-192.dialup.umc.net.ua
31.144.60.195	PTR	31.144-60-195.dialup.umc.net.ua
31.144.62.201	PTR	31.144-62-201.dialup.umc.net.ua
31.144.63.255	PTR	31.144-63-255.dialup.umc.net.ua