Robtex

Up: 199.231.32.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 199.231.32.0/24
Down right: 199.231.33.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.231.32.5	A	creativemailings.pb.com
199.231.32.16	A	www.pbsavetime.com
199.231.32.16	A	pbmeter.com
199.231.32.16	A	www.pbstampexpressions.ecomwip.pb.com
199.231.32.21	A	dolmailops.pb.com
199.231.32.37	A	images.pb.com
199.231.32.41	A	api.pbclearpath.com
199.231.32.42	A	service.pbclearpath.com
199.231.32.42	A	service-pbclearpath.ecomwip.pb.com
199.231.32.50	A	creativemailings2.pb.com
199.231.32.60	A	stampexpressions.pb.com
199.231.32.67	A	ms1app.pb.com
199.231.32.82	A	sftp.pbclearpath.com
199.231.32.82	A	sftp-pbclearpath.ecomwip.pb.com
199.231.32.87	A	mailwebvis.pb.com
199.231.32.98	A	pcpostage.pb.com
199.231.32.99	A	pcpostage2.pb.com
199.231.32.113	A+PTR	fdicmailops.pb.com
199.231.32.115	A	pbwebconnect.pb.com
199.231.32.115	A	pbwebconnect.ecomwip.pb.com
199.231.32.116	A	pbwebconnect.com
199.231.32.118	A+PTR	dosmailops.pb.com
199.231.32.128	A	statedolmailops.pb.com
199.231.32.131	A	uscgmailops.pb.com
199.231.32.137	A	images2.ecomwip.pb.com
199.231.32.158	A+PTR	kip.pb.com
199.231.32.161	A	hhs-sendsuite.pb.com
199.231.32.164	A+PTR	dhsmailops.pb.com
199.231.32.169	A	pbenfaitplus.ca
199.231.32.169	A	pbdoesmore.ca
199.231.32.192	A	mst-sendsuite.pb.com
199.231.32.193	A+PTR	pbconnect.com
199.231.32.193	PTR	amul.pb.com
199.231.32.193	A	emtex.com
199.231.32.200	A	ibdswebp12-ext.pb.com
199.231.32.205	A	webb2b.pb.com
199.231.32.205	A	webb2b2.pb.com
199.231.32.243	PTR	swissre-sendsuite.pb.com
199.231.33.2	A	inside.pb.com
199.231.33.2	A	myaccess.ecomwip.pb.com
199.231.33.6	PTR	www.secap.com
199.231.33.6	A	pbsmartconnections.com
199.231.33.6	A	secap.com
199.231.33.12	A	pitneybowes.de
199.231.33.12	A	pbpostalimpact.com
199.231.33.12	A	pbpackages.com
199.231.33.15	A+PTR	collect.pb.com
199.231.33.16	A+PTR	www.pitneyworks.com
199.231.33.16	A	pitneyworks.com
199.231.33.16	A	stampexpressions.com
199.231.33.42	A	ibdswebp28-ext.pb.com
199.231.33.52	A	cl-sendsuite.pb.com
199.231.33.60	A	volly.com
199.231.33.60	A	www.volly.com
199.231.33.62	A	pbbrandcentral.com
199.231.33.66	A	mailwebvis.pb.com
199.231.33.78	A+PTR	ibdswebp1-ext.pb.com
199.231.33.79	A+PTR	ibdswebp2-ext.pb.com
199.231.33.80	A+PTR	ibdswebp3-ext.pb.com
199.231.33.81	A+PTR	ibdswebp4-ext.pb.com
199.231.33.84	A	ibdsravp1-ext.pb.com
199.231.33.87	PTR	ibdsrava.pb.com
199.231.33.87	PTR	ibdsrava-partner.pb.com
199.231.33.87	A	ibdsravp-partner-nv.ecomwip.pb.com
199.231.33.88	A	ibdsravp-recon-nv.pb.com
199.231.33.89	A+PTR	ibdsrava-partner-nv.pb.com
199.231.33.92	A+PTR	ibdswebp16-ext.pb.com
199.231.33.93	A+PTR	ibdswebp15-ext.pb.com
199.231.33.95	A+PTR	tdc-adns.pb.com
199.231.33.99	A	myapps1.pb.com
199.231.33.101	A	ibdswebc-cns.pb.com
199.231.33.104	PTR	ibdswebc.pb.com
199.231.33.104	A	ibdswebp.ecomwip.pb.com
199.231.33.104	A	ibdswebp-partner.pb.com
199.231.33.105	PTR	ibdswebc-re-partner.pb.com
199.231.33.106	PTR	ibdsravc.pb.com
199.231.33.106	A	ibdsravp-partner-nv.ecomwip.pb.com
199.231.33.106	A	ibdsravp-partner-nv.pb.com
199.231.33.125	A+PTR	ibdstrka.pb.com
199.231.33.134	A	pitneybowes.de
199.231.33.134	A	pitneybowes.com.au
199.231.33.134	A	portraitsoftware.com
199.231.33.135	PTR	cometservc1t.pb.com
199.231.33.142	A+PTR	pbkiosk.pb.com
199.231.33.147	A	ibdsrecona-partner-nv.pb.com
199.231.33.156	A	ibdsweba-ext.pb.com
199.231.33.162	A	dhhs-sendsuite.pb.com
199.231.33.163	A+PTR	ibdswebc-ext.pb.com
199.231.33.175	A	ibdswebp25-ext.pb.com
199.231.33.176	A	ibdswebp26-ext.pb.com
199.231.33.178	A+PTR	ibdsweba-partner.pb.com
199.231.33.178	A+PTR	ibdsweba.pb.com
199.231.33.178	A	ibdswebp.ecomwip.pb.com
199.231.33.194	A+PTR	ibdswebp9-ext.pb.com
199.231.33.196	A	ibdswebp10-ext.pb.com
199.231.33.197	A+PTR	ibdswebp11-ext.pb.com
199.231.33.203	A	pbsmartconnections.ca
199.231.33.203	A	pbsmartcodes.ca
199.231.33.203	A	pitneybowes.ca
199.231.33.216	A+PTR	ibdswebp13-ext.pb.com
199.231.33.217	A+PTR	ibdswebp14-ext.pb.com
199.231.33.218	A+PTR	ibdstrkc.pb.com
199.231.33.238	A+PTR	tdcgen-net.pb.com
199.231.33.240	A+PTR	ns6.pb.com
199.231.33.240	A+PTR	ns7.pb.com
199.231.33.241	A+PTR	ibdswebp27-ext.pb.com