Robtex

Up: 199.168.88.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 199.168.90.0/24
Down right: 199.168.91.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.168.90.11	A	bl.ns.open-whois.org
199.168.90.22	A+PTR	mc23.deteque.com
199.168.90.34	PTR	ex3200-201.deteque.com
199.168.90.36	A+PTR	pdns-11.deteque.com
199.168.90.36	A	mc18.deteque.com
199.168.90.46	PTR	subscriber-3.deteque.com
199.168.90.46	A	sie-spool1.deteque.com
199.168.90.52	A+PTR	rpz02.spamhaus.org
199.168.90.53	A+PTR	rpz03.spamhaus.org
199.168.90.60	A	ns2.rpz.zone
199.168.90.60	A	dbldb.deteque.com
199.168.90.67	A+PTR	rtr2-204.deteque.com
199.168.90.68	A+PTR	mail.spartmaps.com
199.168.90.101	PTR	mc101.deteque.com
199.168.90.101	A	mc21.deteque.com
199.168.90.102	A	mx.cgocable.net
199.168.90.102	A	mc22.deteque.com
199.168.90.103	A	mc23.deteque.com
199.168.90.103	A	yoda.poljepolje.info
199.168.90.104	A	mc24.deteque.com
199.168.90.105	A+PTR	mc25.deteque.com
199.168.90.106	A+PTR	mc24.deteque.com
199.168.90.106	A	mc26.deteque.com
199.168.90.107	PTR	mc23.deteque.com
199.168.90.107	A	mc27.deteque.com
199.168.90.108	PTR	mc108.deteque.com
199.168.90.108	A	mx01.infospree.net
199.168.90.108	A	mx01.5ax.org
199.168.90.114	A	ex3200-200.deteque.com
199.168.90.116	A+PTR	kvm.ops-netman.net
199.168.90.117	A+PTR	apt-squid.rarc.net
199.168.90.119	A	mailserver.ops-netman.net
199.168.90.119	A	ns02.ops-netman.net
199.168.90.119	A	mail.secsup.org
199.168.90.122	A	www.dc-sage.org
199.168.90.122	A	ajax.ops-netman.net
199.168.90.122	A	ajax.dc-sage.org
199.168.90.124	A	vpn.ops-netman.net
199.168.90.130	A	ex3200-200.deteque.com
199.168.90.148	PTR	mc26.deteque.com
199.168.90.156	PTR	rql-dqs.deteque.com
199.168.90.156	A	mc22.deteque.com
199.168.90.170	A+PTR	ns01.iad.deteque.net
199.168.90.171	A+PTR	ns02.iad.deteque.net
199.168.90.187	A	ns72.iad.deteque.net
199.168.90.228	A+PTR	iam.deteque.com
199.168.90.246	A	mc161.deteque.com
199.168.90.249	A+PTR	mc43.deteque.com
199.168.90.250	A+PTR	mc44.deteque.com
199.168.90.251	A	mc45.deteque.com
199.168.90.252	A+PTR	mc46.deteque.com
199.168.90.253	A+PTR	mc47.deteque.com
199.168.91.5	A	ns2.chrislee.dhs.org
199.168.91.5	A	ns2.chrisleephd.us
199.168.91.5	A	iad.chrisleephd.us
199.168.91.13	PTR	atom02-mgmt1.notadot.com
199.168.91.20	A	ns1.dnspath.info
199.168.91.33	A+PTR	gw-303.deteque.com
199.168.91.37	A	bridge.tk421group.com
199.168.91.40	A+PTR	db1.tk421group.com
199.168.91.68	A	iad1.tisf.net
199.168.91.70	A+PTR	bstlab-01.sinkhole.zone
199.168.91.73	PTR	mx80-350.deteque.com
199.168.91.92	A+PTR	mdb.dc-fop.org
199.168.91.101	A+PTR	atom03.iad.internetidentity.com
199.168.91.102	A+PTR	atom04.iad.internetidentity.com
199.168.91.104	A	atom06.iad.internetidentity.com
199.168.91.105	A+PTR	atom07.iad.internetidentity.com
199.168.91.106	PTR	atom08.iad.internetidentity.com
199.168.91.108	A+PTR	atom10.iad.internetidentity.com
199.168.91.111	A	db2.iad.internetidentity.com
199.168.91.112	A+PTR	rpzmon-1.iad.internetidentity.com
199.168.91.116	A+PTR	research.iad.internetidentity.com
199.168.91.118	PTR	ex3200.iad.internetidentity.com
199.168.91.120	A	db1.iad.internetidentity.com
199.168.91.121	A+PTR	pdns.iad.internetidentity.com
199.168.91.122	A+PTR	db3.iad.internetidentity.com
199.168.91.123	A+PTR	db4.iad.internetidentity.com
199.168.91.139	A+PTR	bst-ns1.deteque.com
199.168.91.140	PTR	mailx.bitsight-cdn.com
199.168.91.148	A	redact.deteque.com
199.168.91.155	A	usa5.ops-trust.net
199.168.91.155	A	usa5.ops-trust.com
199.168.91.155	A	usa5.ops-trust.org
199.168.91.161	PTR	mx80-309.deteque.com
199.168.91.161	A	gw-309.deteque.com
199.168.91.162	PTR	ipkvm-309.deteque.com
199.168.91.162	A	rtr1-309.deteque.com
199.168.91.163	A	rtr2-309.deteque.com
199.168.91.180	A+PTR	ns.usa5.ops-trust.net
199.168.91.180	A	ns.usa5.ops-trust.com
199.168.91.180	A	ns.usa5.ops-trust.org
199.168.91.182	A	people.ops-trust.net
199.168.91.182	A	people.usa5.ops-trust.net
199.168.91.195	A	gadievron.com
199.168.91.196	PTR	isoi.org
199.168.91.196	A	isotf.org
199.168.91.196	A	artintoscience.com
199.168.91.212	A	gobi.kappamaki.com
199.168.91.212	A	mail.kappamaki.com
199.168.91.229	A+PTR	bst-api1-mgmt1.deteque.com