Robtex

Up: 31.144.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 31.144.64.0/20
Down right: 31.144.80.0/20

IP	Type	Hostname
31.144.64.0	PTR	31.144-64-0.dialup.umc.net.ua
31.144.71.0	PTR	31.144-71-0.dialup.umc.net.ua
31.144.71.1	PTR	31.144-71-1.dialup.umc.net.ua
31.144.71.65	PTR	31.144-71-65.dialup.umc.net.ua
31.144.71.98	PTR	31.144-71-98.dialup.umc.net.ua
31.144.71.99	PTR	31.144-71-99.dialup.umc.net.ua
31.144.71.128	PTR	31.144-71-128.dialup.umc.net.ua
31.144.71.129	PTR	31.144-71-129.dialup.umc.net.ua
31.144.71.130	PTR	31.144-71-130.dialup.umc.net.ua
31.144.71.194	PTR	31.144-71-194.dialup.umc.net.ua
31.144.71.224	PTR	31.144-71-224.dialup.umc.net.ua
31.144.71.227	PTR	31.144-71-227.dialup.umc.net.ua
31.144.74.66	PTR	31.144-74-66.dialup.umc.net.ua
31.144.74.98	PTR	31.144-74-98.dialup.umc.net.ua
31.144.74.160	PTR	31.144-74-160.dialup.umc.net.ua
31.144.74.163	PTR	31.144-74-163.dialup.umc.net.ua
31.144.74.224	PTR	31.144-74-224.dialup.umc.net.ua
31.144.74.225	PTR	31.144-74-225.dialup.umc.net.ua
31.144.75.2	PTR	31.144-75-2.dialup.umc.net.ua
31.144.75.32	PTR	31.144-75-32.dialup.umc.net.ua
31.144.75.33	PTR	31.144-75-33.dialup.umc.net.ua
31.144.75.64	PTR	31.144-75-64.dialup.umc.net.ua
31.144.75.66	PTR	31.144-75-66.dialup.umc.net.ua
31.144.75.161	PTR	31.144-75-161.dialup.umc.net.ua
31.144.75.225	PTR	31.144-75-225.dialup.umc.net.ua
31.144.75.226	PTR	31.144-75-226.dialup.umc.net.ua
31.144.75.227	PTR	31.144-75-227.dialup.umc.net.ua
31.144.82.86	PTR	31.144-82-86.dialup.umc.net.ua
31.144.85.33	PTR	31.144-85-33.dialup.umc.net.ua
31.144.85.34	PTR	31.144-85-34.dialup.umc.net.ua
31.144.85.67	PTR	31.144-85-67.dialup.umc.net.ua
31.144.85.96	PTR	31.144-85-96.dialup.umc.net.ua
31.144.85.97	PTR	31.144-85-97.dialup.umc.net.ua
31.144.85.99	PTR	31.144-85-99.dialup.umc.net.ua
31.144.85.129	PTR	31.144-85-129.dialup.umc.net.ua
31.144.85.130	PTR	31.144-85-130.dialup.umc.net.ua
31.144.85.131	PTR	31.144-85-131.dialup.umc.net.ua
31.144.85.163	PTR	31.144-85-163.dialup.umc.net.ua
31.144.85.194	PTR	31.144-85-194.dialup.umc.net.ua
31.144.90.162	PTR	31.144-90-162.dialup.umc.net.ua
31.144.91.2	PTR	31.144-91-2.dialup.umc.net.ua
31.144.91.65	PTR	31.144-91-65.dialup.umc.net.ua
31.144.91.67	PTR	31.144-91-67.dialup.umc.net.ua
31.144.91.99	PTR	31.144-91-99.dialup.umc.net.ua
31.144.91.161	PTR	31.144-91-161.dialup.umc.net.ua
31.144.91.192	PTR	31.144-91-192.dialup.umc.net.ua
31.144.91.224	PTR	31.144-91-224.dialup.umc.net.ua
31.144.91.226	PTR	31.144-91-226.dialup.umc.net.ua
31.144.95.255	PTR	31.144-95-255.dialup.umc.net.ua