Robtex

Up: 216.53.192.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 216.53.196.0/23
Down right: 216.53.198.0/23

IP	Type	Hostname
216.53.197.19	PTR	197-19.mpinetgames.net
216.53.197.19	PTR	wolverine.mpinetgames.net
216.53.197.228	PTR	lakelandgov.net
216.53.198.178	A	lighthouse.smartcity.us
216.53.198.243	A	sp3-2.mpinet.net
216.53.198.244	A	sp3-3.mpinet.net
216.53.198.245	A	sp3-4.mpinet.net
216.53.198.247	A	sp3-5.mpinet.net
216.53.198.248	A	sp3-6.mpinet.net
216.53.198.249	A	sp3-7.mpinet.net
216.53.199.12	A	gold1nm.mpinet.net
216.53.199.34	A	ns3.durocom.com
216.53.199.35	A	ns4.durocom.com
216.53.199.36	A	ns5.durocom.com
216.53.199.37	A	ns6.durocom.com
216.53.199.38	A	ns7.durocom.com
216.53.199.39	A	ns8.durocom.com
216.53.199.40	A	ns9.durocom.com
216.53.199.41	A	ns10.durocom.com
216.53.199.42	A	ns11.durocom.com
216.53.199.43	A	ns12.durocom.com
216.53.199.44	A	ns13.durocom.com
216.53.199.45	A	ns14.durocom.com
216.53.199.46	A	ns15.durocom.com
216.53.199.47	A	ns16.durocom.com
216.53.199.48	A	ns17.durocom.com
216.53.199.49	A	ns18.durocom.com
216.53.199.50	A	ns19.durocom.com
216.53.199.52	A	ns21.durocom.com
216.53.199.54	A	ns23.durocom.com
216.53.199.55	A	ns24.durocom.com
216.53.199.56	A	ns25.durocom.com
216.53.199.57	A	ns26.durocom.com
216.53.199.58	A	ns27.durocom.com
216.53.199.61	A	ns32.durocom.com
216.53.199.62	A	ns33.durocom.com
216.53.199.222	PTR	corpserv.volaris.com
216.53.199.226	A+PTR	ns1.durocom.com
216.53.199.227	A+PTR	ns2.durocom.com
216.53.199.229	PTR	ns1.ithink.com
216.53.199.229	A	ns28.durocom.com
216.53.199.230	PTR	ns2.ithink.com
216.53.199.230	A	ns29.durocom.com
216.53.199.232	PTR	ns1.mpinet.com
216.53.199.233	A+PTR	ns1.volarishosting.com
216.53.199.233	A	ns2.volarishosting.com
216.53.199.235	A	ns2.mpinet.com
216.53.199.235	A	ns1.mpinet.com