Robtex

Up: 80.73.240.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 80.73.240.0/25
Down right: 80.73.240.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.73.240.15	A+PTR	ip-80-73-240-15.cyberservice.net
80.73.240.18	A	home.21er.at
80.73.240.29	A+PTR	ip-80-73-240-29.cyberservice.net
80.73.240.30	A+PTR	ip-80-73-240-30.cyberservice.net
80.73.240.56	A+PTR	ip-80-73-240-56.cyberservice.net
80.73.240.102	A+PTR	ip-80-73-240-102.cyberservice.net
80.73.240.128	A+PTR	ip-80-73-240-128.cyberservice.net
80.73.240.157	A+PTR	ip-80-73-240-157.cyberservice.net
80.73.240.172	A	ip-80-73-240-172.cyberservice.net
80.73.240.191	PTR	ip-80-73-240-191.cyberservice.net
80.73.240.192	A+PTR	ip-80-73-240-192.cyberservice.net
80.73.240.194	PTR	ip-80-73-240-194.cyberservice.net
80.73.240.194	A	optimus.info
80.73.240.194	A	www.optimus.info
80.73.240.196	A+PTR	ip-80-73-240-196.cyberservice.net
80.73.240.198	A	billitz.eu
80.73.240.198	A	sas-solutions.at
80.73.240.198	A	sonnriegelhof.at
80.73.240.200	PTR	ip-80-73-240-200.cyberservice.net
80.73.240.200	A	steirershop.at
80.73.240.205	A	hcc-seminare.at
80.73.240.223	PTR	ip-80-73-240-223.cyberservice.net
80.73.240.224	A+PTR	ip-80-73-240-224.cyberservice.net
80.73.240.236	PTR	ip-80-73-240-236.cyberservice.net
80.73.240.236	A	ckado.at
80.73.240.236	A	die8a.at
80.73.240.239	PTR	ip-80-73-240-239.cyberservice.net
80.73.240.240	A+PTR	ip-80-73-240-240.cyberservice.net
80.73.240.242	A+PTR	ip-80-73-240-242.cyberservice.net
80.73.240.247	A	ip-80-73-240-247.cyberservice.net
80.73.240.248	A	ip-80-73-240-248.cyberservice.net
80.73.240.254	A+PTR	ip-80-73-240-254.cyberservice.net
80.73.240.255	PTR	ip-80-73-240-255.cyberservice.net