Robtex

Up: 166.221.192.0/18
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Down left: 166.221.192.0/20
Down right: 166.221.208.0/20

IP	Type	Hostname
166.221.192.0	A+PTR	0.192.221.166.in-addr.arpa
166.221.193.0	A+PTR	0.193.221.166.in-addr.arpa
166.221.194.0	A+PTR	0.194.221.166.in-addr.arpa
166.221.195.0	A+PTR	0.195.221.166.in-addr.arpa
166.221.196.0	A+PTR	0.196.221.166.in-addr.arpa
166.221.197.0	A+PTR	0.197.221.166.in-addr.arpa
166.221.198.0	PTR	0.198.221.166.in-addr.arpa
166.221.198.114	PTR	166.221.198.114
166.221.199.0	A+PTR	0.199.221.166.in-addr.arpa
166.221.200.0	PTR	csn-166-221-200-0.uscc.net
166.221.200.0	A	0.200.221.166.in-addr.arpa
166.221.201.0	A+PTR	0.201.221.166.in-addr.arpa
166.221.202.0	A+PTR	0.202.221.166.in-addr.arpa
166.221.202.16	A+PTR	16.202.221.166.in-addr.arpa
166.221.203.0	A+PTR	0.203.221.166.in-addr.arpa
166.221.204.0	A+PTR	0.204.221.166.in-addr.arpa
166.221.204.22	A+PTR	22.204.221.166.in-addr.arpa
166.221.205.0	A+PTR	0.205.221.166.in-addr.arpa
166.221.206.0	A+PTR	0.206.221.166.in-addr.arpa
166.221.207.0	A+PTR	0.207.221.166.in-addr.arpa
166.221.208.0	A+PTR	0.208.221.166.in-addr.arpa
166.221.209.0	A+PTR	0.209.221.166.in-addr.arpa
166.221.210.0	A+PTR	0.210.221.166.in-addr.arpa
166.221.211.0	A+PTR	0.211.221.166.in-addr.arpa
166.221.212.0	A+PTR	0.212.221.166.in-addr.arpa
166.221.213.0	A+PTR	0.213.221.166.in-addr.arpa
166.221.214.0	A+PTR	0.214.221.166.in-addr.arpa
166.221.215.0	A+PTR	0.215.221.166.in-addr.arpa
166.221.216.0	PTR	166.221.216.0
166.221.216.0	A	0.216.221.166.in-addr.arpa
166.221.217.0	A+PTR	0.217.221.166.in-addr.arpa
166.221.218.0	PTR	csn-166-221-218-0.uscc.net
166.221.218.0	A	0.218.221.166.in-addr.arpa
166.221.219.0	A+PTR	0.219.221.166.in-addr.arpa
166.221.220.0	A+PTR	0.220.221.166.in-addr.arpa
166.221.221.0	A+PTR	0.221.221.166.in-addr.arpa
166.221.222.0	A+PTR	0.222.221.166.in-addr.arpa
166.221.223.0	A+PTR	0.223.221.166.in-addr.arpa