Robtex

Up: 199.19.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 199.19.240.0/21
Down right: 199.19.248.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.19.242.90	A+PTR	mx404a.awcc.com
199.19.242.91	A+PTR	mx404b.awcc.com
199.19.242.128	A	www.alltelwireless.com
199.19.242.128	A	yards4youth.com
199.19.242.128	A	allteloutlet.com
199.19.242.196	A	mail.awcc.com
199.19.246.6	A	mailout.scripps.com
199.19.246.32	A	phishmereporter.scrippsnet.com
199.19.246.32	A	knsolive.knoxnews.com
199.19.246.36	A	addesk.knews.com
199.19.246.90	A	connect2.scripps.com
199.19.246.100	A+PTR	ns2.scripps.com
199.19.246.111	A	goelvis.com
199.19.246.111	A	adcenter.scripps.com
199.19.246.111	A	www.goodhealthmemphis.com
199.19.246.113	A	api.scrippsnet.com
199.19.246.113	A	spellingbee.com
199.19.246.123	A	gssm3.scripps.com
199.19.246.180	A	ns4.scripps.com
199.19.248.164	A	one-us-perf.geodns.net.threatpulse.net.akadns.net
199.19.248.164	A	one-row-perf.geodns.net.threatpulse.net.akadns.net
199.19.249.201	A	sp.geo.es.bluecoat.com
199.19.249.201	A	sp.eu.es.bluecoat.com
199.19.249.203	A	sp.geo.es.bluecoat.com
199.19.249.203	A	sp.eu.es.bluecoat.com
199.19.249.203	A	sp.sa.es.bluecoat.com
199.19.249.208	A	av-download.eu.es.bluecoat.com
199.19.249.208	A	av-download.geo.es.bluecoat.com
199.19.249.208	A	av-download.cwfservice.net
199.19.250.164	A	one-us-perf.geodns.net.threatpulse.net.akadns.net
199.19.250.164	A	one-row-perf.geodns.net.threatpulse.net.akadns.net
199.19.250.164	A	client.threatpulse.net
199.19.250.192	A+PTR	portal.threatpulse.com
199.19.250.192	A	portal.threatpulse.net
199.19.250.192	A	www.threatpulse.com
199.19.250.193	PTR	auth.threatpulse.com
199.19.250.196	PTR	mailout01.cp1-dc5.threatpulse.com
199.19.251.164	A	one-us-perf.geodns.net.threatpulse.net.akadns.net
199.19.251.164	A	ua-us-perf.geodns.net.threatpulse.net.akadns.net
199.19.254.108	A	mail.advancedmailsecurity.com
199.19.254.231	A	portal.bluecoatcloud.com
199.19.255.228	A+PTR	noc-out.bluecoatcloud.com