Robtex

Up: 204.193.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 204.193.0.0/21
Down right: 204.193.8.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.193.6.50	A+PTR	pop.sarasota.k12.fl.us
204.193.6.50	PTR	exmail.sarasota.k12.fl.us
204.193.6.62	A	mail.sarasota.k12.fl.us
204.193.6.75	A	angeldev.sarasota.k12.fl.us
204.193.6.180	A	sarasotacountyschools.net
204.193.6.180	A	www.sarasotacountyschools.net
204.193.8.61	A+PTR	ns1.sarasota.k12.fl.us
204.193.8.61	A	sarasota.k12.fl.us
204.193.8.62	A+PTR	ns2.sarasota.k12.fl.us
204.193.8.63	A+PTR	ns3.sarasota.k12.fl.us
204.193.8.70	PTR	cyesis.org
204.193.8.70	PTR	www.cyesis.org
204.193.8.70	PTR	www.sarasota.k12.fl.us
204.193.8.72	A+PTR	autodiscoverredirect.sarasota.k12.fl.us
204.193.8.72	A	srqit.sarasota.k12.fl.us
204.193.8.74	A	mail.assignonline.com
204.193.8.76	A	ace-sarasota.com
204.193.8.100	A+PTR	www.sarasota.k12.fl.us
204.193.8.100	A+PTR	scs-web.sarasota.k12.fl.us
204.193.8.221	PTR	sarasotacountyschools.com
204.193.8.221	PTR	www.sarasotacountyschools.com
204.193.8.221	A+PTR	scs-ektronweb1.sarasota.k12.fl.us
204.193.8.224	A+PTR	suncoast.edu
204.193.8.224	A+PTR	www.suncoast.edu
204.193.8.224	PTR	ctesarasota.org
204.193.8.242	A	crosspointe.sarasota.k12.fl.us
204.193.8.248	A+PTR	edfoundation.net
204.193.8.248	A+PTR	www.edfoundation.net