Robtex

Up: 8.28.40.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 8.28.40.0/25
Down right: 8.28.40.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
8.28.40.7	A+PTR	exch2013.ccsnet.net
8.28.40.8	A+PTR	exchange.ccsnet.net
8.28.40.9	A+PTR	exch.ccsnet.net
8.28.40.19	A	glamnatural.com
8.28.40.24	A	www.bargainlocks.com
8.28.40.24	A	titanserviceport.com
8.28.40.26	A+PTR	barracuda.ccsnet.net
8.28.40.26	A	mail.nanotronics.co
8.28.40.26	A	barracuda2.ccsnet.net
8.28.40.27	A	titanpowerport.com
8.28.40.29	A+PTR	mail.ccsnet.net
8.28.40.29	A	dns2.ccsnet.net
8.28.40.30	PTR	www.ccsnet.net
8.28.40.30	A	dgonyiaslaw.com
8.28.40.30	A	contractcallers.com
8.28.40.75	A+PTR	mail.primarypackaging.com
8.28.40.75	A	ppibags.com.2.0001.arsmtp.com
8.28.40.75	A	primarypackaging.com.2.0001.arsmtp.com
8.28.40.84	A+PTR	www.safe7.com
8.28.40.84	A	*.safe7.com
8.28.40.84	A	safe7.com
8.28.40.85	A	mail.safe7.com
8.28.40.86	A	berlinhotelandsuites.net
8.28.40.87	A+PTR	mail1.safe7.com
8.28.40.99	A+PTR	dns2.polyone.com
8.28.40.130	A	ns18.kennedyhosting.com
8.28.40.130	A	ns19.kennedyhosting.com
8.28.40.131	A	*.kennedyhosting.com
8.28.40.131	A	www.autointerests.com
8.28.40.131	A	autointerests.com
8.28.40.132	A	autointerests.com
8.28.40.132	A	bigbutlerautoswap.com
8.28.40.132	A	healthydecals.com
8.28.40.134	PTR	hfmail.thehfgroup.com
8.28.40.135	A	hfgbinding.biz
8.28.40.135	A	bookpartners.biz
8.28.40.136	A	printmyfamilyhistory.net
8.28.40.136	A	printmyfamilyhistory.biz
8.28.40.136	A	printmyfamilyhistory.com
8.28.40.139	A	printmygenealogy.net
8.28.40.185	A	mail.lakefreeclinic.org
8.28.40.186	A	crimpmate.com
8.28.40.186	A	mymurdock.com
8.28.40.186	A	hosewarehouse.com
8.28.40.197	A	smtp.css-security.com