Robtex

Up: 186.227.152.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 186.227.152.0/23
Down right: 186.227.154.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
186.227.152.2	A+PTR	186-227-152-2.infoseteweb.com.br
186.227.152.12	A+PTR	186-227-152-12.infoseteweb.com.br
186.227.155.4	A+PTR	infoseteweb.com.br
186.227.155.4	A	info7web.com.br
186.227.155.4	A	infoseteweb.com
186.227.155.5	PTR	186-227-155-5.infosetefibra.com.br
186.227.155.7	PTR	186-227-155-7.infosetefibra.com.br
186.227.155.7	A	infoseteweb.com.br
186.227.155.7	A	infoseteweb.com
186.227.155.10	A+PTR	dns1.infoseteweb.com.br
186.227.155.10	A	mail.infoseteweb.com.br
186.227.155.10	A	mail.infoseteweb.com
186.227.155.11	PTR	dns2.infoseteweb.com.br