Robtex

Up: 83.120.0.0/13
Can't show all results, try to descend to a more specific CIDR
Down left: 83.120.0.0/15
Down right: 83.122.0.0/15
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.120.0.0	PTR	hosting120000000.as8665.net
83.120.0.2	PTR	hosting-2-0-120-83.nimaci.com
83.120.0.49	A	kang.snake.de
83.120.0.49	A	www5.khemorex-klinzhai.de
83.120.0.71	A	www.siehst-du-den-kay.net
83.120.0.227	A	rad1.ffm2.exbb.de
83.120.4.2	A	crucialtoday.com
83.120.7.2	A	dtmfi.snake.de
83.120.118.172	PTR	hosting120118172.as8665.net
83.120.119.105	PTR	too.stupid.to.configure.reverse.dns
83.120.143.75	PTR	too.stupid.to.configure.reverse.dns
83.120.144.20	A	mail.bueroservice-deutschland.de
83.120.152.12	PTR	too.stupid.to.configure.reverse.dns
83.120.217.62	PTR	too.stupid.to.configure.reverse.dns
83.121.12.110	A	d12-110.dip.axsp.de
83.121.21.0	PTR	d21-0.dip.axsp.de
83.121.34.161	PTR	too.stupid.to.configure.reverse.dns
83.121.63.15	PTR	too.stupid.to.configure.reverse.dns
83.121.63.193	PTR	too.stupid.to.configure.reverse.dns
83.121.111.113	PTR	hosting121111113.nimaci.com
83.121.120.150	A	mx2.brazillion.de
83.121.120.150	A	www.microthinking.net
83.121.120.150	A	mx2.microthinking.net
83.121.193.117	PTR	too.stupid.to.configure.reverse.dns
83.121.229.51	PTR	too.stupid.to.configure.reverse.dns
83.122.1.0	PTR	too.stupid.to.configure.reverse.dns
83.122.16.235	PTR	too.stupid.to.configure.reverse.dns
83.122.19.51	A	shaxiaopen.top
83.122.22.2	PTR	hosting122022002.as8665.net
83.122.37.163	PTR	too.stupid.to.configure.reverse.dns
83.122.93.182	PTR	hosting122093182.as8665.net
83.122.108.144	PTR	hosting122108144.as8665.net
83.122.138.167	PTR	too.stupid.to.configure.reverse.dns
83.122.160.125	PTR	too.stupid.to.configure.reverse.dns
83.122.162.224	PTR	too.stupid.to.configure.reverse.dns
83.122.169.214	PTR	too.stupid.to.configure.reverse.dns
83.122.228.91	PTR	too.stupid.to.configure.reverse.dns
83.122.247.46	PTR	too.stupid.to.configure.reverse.dns
83.123.0.2	PTR	hosting123000002.as8665.net
83.123.5.160	PTR	too.stupid.to.configure.reverse.dns
83.123.10.145	PTR	too.stupid.to.configure.reverse.dns
83.123.19.2	PTR	hosting123019002.as8665.net
83.123.22.126	PTR	too.stupid.to.configure.reverse.dns
83.123.42.123	PTR	too.stupid.to.configure.reverse.dns
83.123.72.113	PTR	too.stupid.to.configure.reverse.dns
83.123.75.95	PTR	too.stupid.to.configure.reverse.dns
83.123.83.61	PTR	too.stupid.to.configure.reverse.dns
83.123.101.158	PTR	too.stupid.to.configure.reverse.dns
83.123.130.180	PTR	too.stupid.to.configure.reverse.dns
83.123.211.78	A	mail.ns1.mail.0043316d91320922aa9bb67676200da6c47044d428473aeb76a4aba3.6.ewsxz.com
83.123.216.147	PTR	too.stupid.to.configure.reverse.dns
83.123.226.224	PTR	too.stupid.to.configure.reverse.dns
83.123.241.234	PTR	too.stupid.to.configure.reverse.dns