Robtex

Up: 211.90.208.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 211.90.216.0/22
Down right: 211.90.220.0/22

IP	Type	Hostname
211.90.216.25	PTR	test1.zj165.com
211.90.216.129	PTR	dns.zj165.net
211.90.216.129	A+PTR	dns.zjhz.cnuninet.net
211.90.216.130	A+PTR	dns2.zj165.com
211.90.216.222	PTR	vlan5.zjhz.cnuninet.net
211.90.223.84	A	superinfo.com.cn