Robtex

Up: 199.58.210.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 199.58.210.0/25
Down right: 199.58.210.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.58.210.1	PTR	dmsystems.net
199.58.210.6	A+PTR	asterisk.rokabear.com
199.58.210.9	A	ns1.rokabear.com
199.58.210.10	A	ns2.rokabear.com
199.58.210.12	PTR	mail.packetstormsecurity.org
199.58.210.12	A	*.dogpile.nl
199.58.210.12	A	www.dogpile.nl
199.58.210.16	A	freeworld.thc.org
199.58.210.16	A	www.blog.thc.org
199.58.210.16	A	www.thc.org
199.58.210.23	PTR	mail.packetstormsecurity.org
199.58.210.36	A	kb.cert.hackinthebox.net
199.58.210.36	A	forum.hitb.nl
199.58.210.36	A	*.magazine.hackinthebox.net
199.58.210.37	A	haxpo.nl
199.58.210.37	A	haxpo.com
199.58.210.37	A	nadiramohsin.com
199.58.210.38	A	bdawg.cc
199.58.210.68	A+PTR	mail2.rokasecurity.com
199.58.210.68	A	mail2.rokabear.com
199.58.210.72	A	philosophiedesigns.com
199.58.210.74	A	ns2.ignitionlabs.com
199.58.210.74	A	mail.ns2.ignitionlabs.com
199.58.210.78	A	ncyber.com
199.58.210.78	A	ncybergroup.com
199.58.210.95	A	vnstyle9x.com
199.58.210.96	PTR	www.rokabear.com
199.58.210.100	A	askaitguy.net
199.58.210.102	PTR	bdweb.techniland.net
199.58.210.102	A	entity-x.com
199.58.210.106	A	micadogtraining.com
199.58.210.108	A+PTR	smtp2.blacktreeinc.net
199.58.210.115	A+PTR	robotdevil.ohwell.org
199.58.210.118	PTR	cipis.ibonusy.net
199.58.210.122	A	wuffz.org
199.58.210.122	A	wuff.wuffz.org
199.58.210.123	PTR	commonwealthcomputerrecycling.com
199.58.210.125	A	intelibits.com
199.58.210.125	A	domesticartist.com
199.58.210.134	A	funsmart.net
199.58.210.134	A	ns1.floydcommons.com
199.58.210.134	A	wolakota.org
199.58.210.136	A	t5imap.com
199.58.210.137	A	newfreedombigbook.com
199.58.210.244	A	wshhcalendar.com