Robtex

Up: 199.192.216.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 199.192.218.0/24
Down right: 199.192.219.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.192.218.10	PTR	ns1.stablehost.com
199.192.218.10	A	ns1.sweetwaterinteractive.com
199.192.218.10	A	ns1.k7ka.com
199.192.218.11	PTR	ns1.reliabledns.org
199.192.219.10	PTR	ns2.stablehost.com
199.192.219.10	A	ns2.butterflytent.com
199.192.219.10	A	ns2.fatihe.com
199.192.219.11	PTR	ns2.reliabledns.org