Robtex

Up: 199.73.80.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 199.73.82.0/24
Down right: 199.73.83.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.73.82.1	A+PTR	b.ns.mtgsy.com
199.73.82.1	A	ns1.g01.cfdns.net
199.73.82.1	A	ns2.tkcars.net
199.73.82.2	A+PTR	ns1.g02.cfdns.net
199.73.82.7	PTR	ns1.g07.cfdns.net
199.73.82.7	A	ns1.cfdns.biz
199.73.82.7	A	ns1.cfdns.net
199.73.82.8	A+PTR	ns1.g08.cfdns.net
199.73.82.8	A	ns1.cfdns.info
199.73.82.9	A	ns1.cfdns.co.uk
199.73.82.11	A	ns1.g11.cfdns.net
199.73.82.12	A+PTR	ns1.g12.cfdns.net
199.73.83.1	A+PTR	a.ns.mtgsy.com
199.73.83.1	A	ns2.g01.cfdns.biz
199.73.83.1	A	6.mattsns.com
199.73.83.2	A+PTR	ns2.g02.cfdns.biz
199.73.83.2	A	ns2.corewebdna.net
199.73.83.7	PTR	ns2.g07.cfdns.biz
199.73.83.7	A	ns2.cfdns.net
199.73.83.7	A	ns2.cfdns.biz
199.73.83.8	A+PTR	ns2.g08.cfdns.biz
199.73.83.8	A	ns2.cfdns.info
199.73.83.9	A	ns2.cfdns.co.uk
199.73.83.11	A	ns2.g11.cfdns.biz
199.73.83.12	A+PTR	ns2.g12.cfdns.biz
199.73.83.166	A+PTR	ns2.g166.cfdns.biz