Robtex

Up: 194.77.128.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 194.77.128.0/23
Down right: 194.77.130.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.77.130.0	PTR	host-130-77-194-0.static.customer.m-online.net
194.77.130.5	A	mx2.syscomp.de
194.77.130.5	A	ns2.syscomp.de
194.77.130.6	PTR	host-130-77-194-6.static.customer.m-online.net
194.77.130.6	A	www.syscomp.de
194.77.130.6	A	schottdorf.de
194.77.130.9	PTR	host-130-77-194-9.static.customer.m-online.net
194.77.130.9	A	labor-schottdorf.com
194.77.130.9	A	labkom.de
194.77.130.17	PTR	host-130-77-194-17.static.customer.m-online.net
194.77.130.183	PTR	host-130-77-194-183.static.customer.m-online.net
194.77.130.198	PTR	host-130-77-194-198.static.customer.m-online.net
194.77.131.133	A	ns2.sealnet.de