Robtex

Up: 58.153.248.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 58.153.252.0/23
Down right: 58.153.254.0/23

IP	Type	Hostname
58.153.252.31	A+PTR	n058153252031.netvigator.com
58.153.252.67	A+PTR	n058153252067.netvigator.com
58.153.252.117	A+PTR	n058153252117.netvigator.com
58.153.252.126	A+PTR	n058153252126.netvigator.com
58.153.252.200	A+PTR	n058153252200.netvigator.com
58.153.253.48	A+PTR	n058153253048.netvigator.com
58.153.253.48	A	mail0.iomv.com
58.153.253.63	A+PTR	n058153253063.netvigator.com
58.153.253.63	A	twingstudio.com
58.153.253.81	A+PTR	n058153253081.netvigator.com
58.153.253.81	A	hungyc.no-ip.biz
58.153.253.130	A+PTR	n058153253130.netvigator.com
58.153.254.15	A+PTR	n058153254015.netvigator.com
58.153.254.27	A+PTR	n058153254027.netvigator.com
58.153.254.45	A+PTR	n058153254045.netvigator.com
58.153.254.66	A+PTR	n058153254066.netvigator.com
58.153.254.96	A+PTR	n058153254096.netvigator.com
58.153.254.116	A+PTR	n058153254116.netvigator.com
58.153.254.126	A+PTR	n058153254126.netvigator.com
58.153.254.143	A+PTR	n058153254143.netvigator.com
58.153.254.185	A+PTR	n058153254185.netvigator.com
58.153.254.189	A+PTR	n058153254189.netvigator.com
58.153.254.190	A+PTR	n058153254190.netvigator.com
58.153.254.203	A+PTR	n058153254203.netvigator.com
58.153.254.239	A+PTR	n058153254239.netvigator.com
58.153.254.242	A+PTR	n058153254242.netvigator.com
58.153.255.14	A+PTR	n058153255014.netvigator.com
58.153.255.33	A+PTR	n058153255033.netvigator.com
58.153.255.89	PTR	n058153255089.netvigator.com
58.153.255.100	A+PTR	n058153255100.netvigator.com
58.153.255.105	A+PTR	n058153255105.netvigator.com
58.153.255.180	A	n058153255180.netvigator.com
58.153.255.181	A+PTR	n058153255181.netvigator.com
58.153.255.243	A+PTR	n058153255243.netvigator.com
58.153.255.251	A+PTR	n058153255251.netvigator.com
58.153.255.255	A+PTR	n058153255255.netvigator.com