Robtex

Up: 189.227.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 189.227.64.0/20
Down right: 189.227.80.0/20

IP	Type	Hostname
189.227.74.5	PTR	customer-189-227-74-5.uninet.net.mx
189.227.79.252	PTR	customer-189-227-79-252.uninet.net.mx
189.227.80.209	PTR	customer-189-227-80-209.uninet.net.mx
189.227.81.151	PTR	customer-189-227-81-151.uninet.net.mx
189.227.81.210	PTR	customer-189-227-81-210.uninet.net.mx
189.227.82.81	PTR	customer-189-227-82-81.uninet.net.mx
189.227.86.204	PTR	customer-189-227-86-204.uninet.net.mx
189.227.91.19	PTR	customer-189-227-91-19.uninet.net.mx
189.227.91.87	PTR	customer-189-227-91-87.uninet.net.mx
189.227.91.94	PTR	iadsl-edo-nevado-33-ge5-0-2_1.uninet.net.mx
189.227.92.31	PTR	customer-189-227-92-31.uninet.net.mx
189.227.94.33	PTR	customer-189-227-94-33.uninet.net.mx
189.227.94.128	PTR	customer-189-227-94-128.uninet.net.mx
189.227.94.193	PTR	customer-189-227-94-193.uninet.net.mx