Robtex

Up: 185.31.208.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.31.212.0/23
Down right: 185.31.214.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.31.212.10	A+PTR	hs.datenstrom.at
185.31.212.10	A	mail.datenstrom.cloud
185.31.212.15	PTR	185-31-212-15.fknet.at
185.31.212.15	A	mail.fae-ag.com
185.31.212.50	PTR	mail.domasolar.com
185.31.212.50	A	mail.aks-doma.com
185.31.213.10	A+PTR	mail.deathwatch-blackwolves.tv
185.31.213.10	A	mail.deathwatch-blackwolves.com
185.31.213.19	A+PTR	mail.dstr.at
185.31.213.66	A+PTR	mx1.3it.email
185.31.213.113	PTR	at-fk-sw1.perfany.net
185.31.213.113	A	www.ilonageiger.com
185.31.213.113	A	angelbird.de