Robtex

Up: 192.55.86.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.55.86.0/25
Down right: 192.55.86.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.55.86.28	PTR	mail.parasoft.com
192.55.86.28	A	mail.dietfoodcorp.com
192.55.86.28	A	mail.parasoft-nl.com
192.55.86.29	PTR	dove.parasoft.com
192.55.86.52	A+PTR	dns1.parasoft.com
192.55.86.52	A	nextleapinproductivity.com
192.55.86.52	A	elephant.parasoft.com
192.55.86.55	A+PTR	promo.foodmagic.com
192.55.86.56	A	phonetimes.parasoft.com
192.55.86.58	A	soaptest.parasoft.com
192.55.86.59	A	soa.parasoft.com
192.55.86.61	A+PTR	images.parasoft.com
192.55.86.62	A+PTR	forums.parasoft.com
192.55.86.63	A	frigg.parasoft.com
192.55.86.64	A	ws1.parasoft.com
192.55.86.70	A	idns1.parasoft.com
192.55.86.71	A	idns2.parasoft.com
192.55.86.74	A	www.foodmagic.com
192.55.86.74	A	demo.foodmagic.com
192.55.86.74	A	foodmagic.com
192.55.86.78	A	bpelvsom.parasoft.com
192.55.86.82	A+PTR	goldsgym.foodmagic.com
192.55.86.83	A	demo2.foodmagic.com
192.55.86.87	PTR	ftp.parasoft.com
192.55.86.90	A+PTR	www.parasoft.com
192.55.86.90	A	parasoft.com
192.55.86.94	PTR	mail3.parasoft.com
192.55.86.105	PTR	albacore.parasoft.com
192.55.86.151	A	spider.parasoft.com
192.55.86.152	PTR	sdlcsummit.com
192.55.86.152	PTR	www.sdlcsummit.com
192.55.86.152	A	sdlc-acceleration-summit.com
192.55.86.156	A+PTR	howsemp.foodmagic.com
192.55.86.157	A	training100.parasoft.com
192.55.86.158	A	jsaircushion.com
192.55.86.180	A	parasoftglobal.parasoft.com