Robtex

Up: 206.83.80.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 206.83.80.0/25
Down right: 206.83.80.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
206.83.80.2	A+PTR	dns.echomail.com
206.83.80.21	PTR	em01.com
206.83.80.21	A+PTR	emiemx01.echomail.com
206.83.80.21	PTR	eaccount.em01.com
206.83.80.25	PTR	aspecho.com
206.83.80.25	PTR	echomail.com
206.83.80.25	PTR	echomailer.com
206.83.80.28	A	mail1queue.echomail.com
206.83.80.51	PTR	206.83.80.51.ptr.us.xo.net
206.83.80.51	A	pancreasolve.com
206.83.80.60	A+PTR	206.83.80.60.ptr.us.xo.net
206.83.80.60	A	www.astrology.tamilnadu.com
206.83.80.60	A	villages.tamilnadu.com
206.83.80.61	PTR	206.83.80.61.ptr.us.xo.net
206.83.80.61	A	pancreasolve.com
206.83.80.61	A	www.generalinteractive.com
206.83.80.69	PTR	206.83.80.69.ptr.us.xo.net
206.83.80.69	A	tamilnadu.com
206.83.80.73	A	www1.interactive.com
206.83.80.80	A+PTR	dmpop05.echomail.com
206.83.80.80	A	dmpop.generalinteractive.com
206.83.80.80	A	echosentinel.com
206.83.80.83	A	avservicebk.echomail.com
206.83.80.86	A	slimbacon.echomail.com
206.83.80.100	PTR	logodog.com
206.83.80.117	A	avservice1.echomail.com
206.83.80.124	PTR	biotechimages.com
206.83.80.124	PTR	www.biotechimages.com
206.83.80.126	PTR	metrosherpa.com
206.83.80.126	PTR	metrosherpa.net
206.83.80.126	PTR	www.metrosherpa.com
206.83.80.127	A	notes.cytosolve.org
206.83.80.138	A	dcciservices.com
206.83.80.138	A	emi01.com
206.83.80.140	PTR	demo2.echomail.com
206.83.80.140	A+PTR	demo2.interactive.com
206.83.80.140	A+PTR	enterprise.interactive.com
206.83.80.143	PTR	stage.echomail.com
206.83.80.143	A	dremail.com
206.83.80.144	PTR	pocketmetro.net
206.83.80.144	PTR	www.pocketmetro.net
206.83.80.167	PTR	lg-email.com
206.83.80.167	PTR	engine02.echomail.com
206.83.80.167	PTR	monitoring.lg-email.com
206.83.80.168	A	apps.lg-email.com
206.83.80.171	A	echosmb.echomail.com
206.83.80.171	A	bouncemail1.interactive.com
206.83.80.171	A	traditionalartsmedicines.com
206.83.80.172	A	www.white-house.com
206.83.80.173	PTR	monsoonkitchens.com
206.83.80.173	PTR	tamilnadu.com
206.83.80.173	PTR	astrology.tamilnadu.com
206.83.80.181	PTR	206.83.80.181.ptr.us.xo.net
206.83.80.182	A	dmpop04.echomail.com
206.83.80.183	PTR	eturbomail.com
206.83.80.183	PTR	bodysculptor.in
206.83.80.183	PTR	www.eturbomail.com
206.83.80.184	PTR	generalinteractive.com
206.83.80.184	A+PTR	dns2.echomail.com
206.83.80.184	PTR	www.generalinteractive.com
206.83.80.185	A	mail3queue.echomail.com
206.83.80.205	A+PTR	smdns1.echomail.com
206.83.80.216	A	emedics.net
206.83.80.216	A	www.knowthyface.com
206.83.80.216	A	knowthyface.com
206.83.80.221	A+PTR	mail2queue.echomail.com
206.83.80.221	A	echomailer1.com
206.83.80.222	A+PTR	avservice5.echomail.com
206.83.80.222	A	historyofemail.com
206.83.80.222	A	systemsperformance.net
206.83.80.235	PTR	206.83.80.235.ptr.us.xo.net
206.83.80.235	A	web05.echomail.com
206.83.80.236	A	arts-online.com
206.83.80.236	A	studio.mproductions.com
206.83.80.236	A	logocat.com
206.83.80.238	PTR	gettapping.com
206.83.80.238	PTR	www.gettapping.com
206.83.80.238	A	em03.com
206.83.80.239	A	digitalrefinery.com