Robtex

Up: 123.50.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 123.50.72.0/23
Down right: 123.50.74.0/23

IP	Type	Hostname
123.50.72.0	A+PTR	0.72.50.123.dsl.dyn.mana.pf
123.50.73.0	A+PTR	0.73.50.123.dsl.dyn.mana.pf
123.50.73.48	PTR	48.73.50.123.dsl.dyn.mana.pf
123.50.73.122	PTR	122.73.50.123.dsl.dyn.mana.pf
123.50.73.219	A+PTR	219.73.50.123.dsl.dyn.mana.pf
123.50.73.241	A+PTR	241.73.50.123.dsl.dyn.mana.pf
123.50.74.0	A+PTR	0.74.50.123.dsl.dyn.mana.pf
123.50.74.5	PTR	5.74.50.123.dsl.dyn.mana.pf
123.50.74.11	A+PTR	11.74.50.123.dsl.dyn.mana.pf
123.50.74.28	A	28.74.50.123.dsl.dyn.mana.pf
123.50.74.36	A	36.74.50.123.dsl.dyn.mana.pf
123.50.74.88	A	88.74.50.123.dsl.dyn.mana.pf
123.50.74.139	A+PTR	139.74.50.123.dsl.dyn.mana.pf
123.50.74.147	A+PTR	147.74.50.123.dsl.dyn.mana.pf
123.50.74.148	PTR	148.74.50.123.dsl.dyn.mana.pf
123.50.74.210	A	210.74.50.123.dsl.dyn.mana.pf
123.50.74.213	A+PTR	213.74.50.123.dsl.dyn.mana.pf
123.50.74.215	PTR	215.74.50.123.dsl.dyn.mana.pf
123.50.74.239	A+PTR	239.74.50.123.dsl.dyn.mana.pf
123.50.74.247	A	247.74.50.123.dsl.dyn.mana.pf
123.50.74.251	A+PTR	251.74.50.123.dsl.dyn.mana.pf
123.50.74.254	A+PTR	254.74.50.123.dsl.dyn.mana.pf
123.50.75.0	A+PTR	0.75.50.123.dsl.dyn.mana.pf
123.50.75.4	A+PTR	4.75.50.123.dsl.dyn.mana.pf
123.50.75.6	A+PTR	6.75.50.123.dsl.dyn.mana.pf
123.50.75.7	A+PTR	7.75.50.123.dsl.dyn.mana.pf
123.50.75.10	PTR	10.75.50.123.dsl.dyn.mana.pf
123.50.75.14	A+PTR	14.75.50.123.dsl.dyn.mana.pf
123.50.75.18	A+PTR	18.75.50.123.dsl.dyn.mana.pf
123.50.75.19	A+PTR	19.75.50.123.dsl.dyn.mana.pf
123.50.75.24	A+PTR	24.75.50.123.dsl.dyn.mana.pf
123.50.75.26	A+PTR	26.75.50.123.dsl.dyn.mana.pf
123.50.75.29	A+PTR	29.75.50.123.dsl.dyn.mana.pf
123.50.75.31	A+PTR	31.75.50.123.dsl.dyn.mana.pf
123.50.75.39	A+PTR	39.75.50.123.dsl.dyn.mana.pf
123.50.75.51	A	51.75.50.123.dsl.dyn.mana.pf
123.50.75.52	PTR	52.75.50.123.dsl.dyn.mana.pf
123.50.75.66	A+PTR	66.75.50.123.dsl.dyn.mana.pf
123.50.75.67	A+PTR	67.75.50.123.dsl.dyn.mana.pf
123.50.75.76	PTR	76.75.50.123.dsl.dyn.mana.pf
123.50.75.88	A+PTR	88.75.50.123.dsl.dyn.mana.pf
123.50.75.100	A+PTR	100.75.50.123.dsl.dyn.mana.pf
123.50.75.104	PTR	104.75.50.123.dsl.dyn.mana.pf
123.50.75.104	A	104.75.50.123.dial.dyn.mana.pf
123.50.75.112	A+PTR	112.75.50.123.dsl.dyn.mana.pf
123.50.75.117	A+PTR	117.75.50.123.dsl.dyn.mana.pf
123.50.75.118	A+PTR	118.75.50.123.dsl.dyn.mana.pf
123.50.75.120	A+PTR	120.75.50.123.dsl.dyn.mana.pf
123.50.75.123	A+PTR	123.75.50.123.dsl.dyn.mana.pf
123.50.75.129	A+PTR	129.75.50.123.dsl.dyn.mana.pf
123.50.75.133	A+PTR	133.75.50.123.dsl.dyn.mana.pf
123.50.75.135	A+PTR	135.75.50.123.dsl.dyn.mana.pf
123.50.75.136	A+PTR	136.75.50.123.dsl.dyn.mana.pf
123.50.75.139	A+PTR	139.75.50.123.dsl.dyn.mana.pf
123.50.75.159	A+PTR	159.75.50.123.dsl.dyn.mana.pf
123.50.75.169	PTR	169.75.50.123.dsl.dyn.mana.pf
123.50.75.171	A+PTR	171.75.50.123.dsl.dyn.mana.pf
123.50.75.178	A+PTR	178.75.50.123.dsl.dyn.mana.pf
123.50.75.184	A+PTR	184.75.50.123.dsl.dyn.mana.pf
123.50.75.189	A+PTR	189.75.50.123.dsl.dyn.mana.pf
123.50.75.191	A+PTR	191.75.50.123.dsl.dyn.mana.pf
123.50.75.192	A+PTR	192.75.50.123.dsl.dyn.mana.pf
123.50.75.195	A+PTR	195.75.50.123.dsl.dyn.mana.pf
123.50.75.198	A+PTR	198.75.50.123.dsl.dyn.mana.pf
123.50.75.207	A+PTR	207.75.50.123.dsl.dyn.mana.pf
123.50.75.219	A+PTR	219.75.50.123.dsl.dyn.mana.pf
123.50.75.224	A+PTR	224.75.50.123.dsl.dyn.mana.pf
123.50.75.236	A+PTR	236.75.50.123.dsl.dyn.mana.pf
123.50.75.240	A+PTR	240.75.50.123.dsl.dyn.mana.pf
123.50.75.253	A+PTR	253.75.50.123.dsl.dyn.mana.pf