Robtex

Up: 185.31.24.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.31.28.0/23
Down right: 185.31.30.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.31.28.0	PTR	static-185-31-28-0.televis.at
185.31.29.4	A	mail.televis.at
185.31.30.39	A	mail.dinersclub-newsletter.de
185.31.30.39	A	mail.dinersclub-newsletter.at
185.31.30.227	A+PTR	mailgw01.televis.at
185.31.30.227	A	mx1.designundholz.at
185.31.30.234	A	www.dinersclub.de
185.31.30.234	A	dinersclub.at
185.31.30.234	A	*.dinersclub.de
185.31.30.236	PTR	static-185-31-30-236.televis.at
185.31.30.236	A	dcbank.at
185.31.30.245	A	dinersclub.ch
185.31.30.246	A	www.televis.com
185.31.30.248	A	dinersclub-newsletter.de
185.31.30.248	A	dinersclub-newsletter.at
185.31.30.248	A	www.dinersclub-newsletter.at
185.31.30.249	PTR	static-185-31-30-249.televis.at
185.31.30.249	A	dcbank.at
185.31.30.249	A	dinersclub-rewards.at
185.31.31.21	A	mx01.cross-hosting.net