Robtex

Up: 185.58.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.58.8.0/23
Down right: 185.58.10.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.58.8.0	A	0.8.58.185.rev.levelsys.com
185.58.8.5	A	ns0.levelsys.com
185.58.8.6	A	ns1.levelsys.com
185.58.8.7	PTR	mail.levelsys.com
185.58.8.7	A	mx0.levelsys.com
185.58.8.8	PTR	web.levelsys.com
185.58.8.8	A	lemonjuice.fr
185.58.8.8	A	level-sys.fr
185.58.8.18	A+PTR	lmail.levelsys.com
185.58.8.18	A	lmx0.levelsys.com
185.58.8.44	A	talan-academy.com
185.58.8.98	A+PTR	98.8.58.185.rev.levelsys.com
185.58.8.101	A	gate.keonys.eu
185.58.8.132	A+PTR	132.8.58.185.rev.levelsys.com
185.58.8.132	A	www.talancoin.com
185.58.8.146	PTR	146.8.58.185.rev.levelsys.com
185.58.8.146	A	talancoin.net
185.58.8.146	A	talansolutions.net
185.58.8.150	A+PTR	150.8.58.185.rev.levelsys.com
185.58.8.150	A	cereza-conseil.com
185.58.9.0	A	0.9.58.185.rev.levelsys.com
185.58.9.239	A+PTR	239.9.58.185.rev.levelsys.com
185.58.10.0	A	0.10.58.185.rev.levelsys.com
185.58.11.0	A	0.11.58.185.rev.levelsys.com
185.58.11.138	PTR	138.11.58.185.rev.levelsys.com
185.58.11.143	A+PTR	143.11.58.185.rev.levelsys.com
185.58.11.253	A+PTR	253.11.58.185.rev.levelsys.com