Robtex

Up: 185.81.76.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 185.81.76.0/25
Down right: 185.81.76.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.81.76.5	PTR	fibra1-boc.helioprint.net
185.81.76.5	A	svrcorreo.helioprint.net
185.81.76.5	A	helioprint.net
185.81.76.6	A+PTR	ispconfigcpd.wifibytes.com
185.81.76.6	A	mail.aguasbocairent.com
185.81.76.6	A	silvestrelogistica.com
185.81.76.84	A+PTR	wlink1-boc.nudisco.com
185.81.76.84	A	wifibytes1.nudisco.com
185.81.76.85	A	perfil10.net