Robtex

Up: 155.56.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 155.56.72.0/23
Down right: 155.56.74.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
155.56.72.22	A	r2online.sap-ag.de
155.56.73.16	PTR	help.sap.com
155.56.73.27	A+PTR	feedback.sap.com
155.56.74.4	A	pubweblb4.sap-ag.de
155.56.74.7	A	lbpubwebrot7.sap-ag.de
155.56.74.16	A+PTR	patpo.sap.com
155.56.74.20	A+PTR	www15.sap.com
155.56.74.24	A+PTR	www10.sap.com
155.56.74.25	A+PTR	wwwts2.sap.com
155.56.74.25	A+PTR	wwwtssde.sap.com
155.56.74.27	A	download11.sap.com
155.56.74.28	PTR	download11.sap.com
155.56.74.31	PTR	www11.sap.com
155.56.74.31	A	mysap.com
155.56.74.32	A+PTR	www19.sap.com
155.56.74.38	PTR	wwwgo20.sap.com
155.56.74.38	A	www2.eventsatsap.com
155.56.74.43	A	wwwmedia1.sap.com
155.56.74.46	PTR	training.sap.com
155.56.74.49	A+PTR	wwwedr2.sap.com
155.56.74.50	A+PTR	wwed2.sap.com
155.56.74.51	PTR	downloadts.sap.com
155.56.74.55	A	download12.sap.com
155.56.74.64	A+PTR	www12.sap.com
155.56.74.65	PTR	www.sap.com
155.56.74.65	A	travel.ondemand.com
155.56.74.65	A	b2b.ondemand.com
155.56.74.66	PTR	www.sap.com
155.56.74.67	PTR	www.sap.com
155.56.74.68	PTR	www.sap.com
155.56.74.69	A+PTR	wwwrmk.sap.com
155.56.74.69	A	www8.sap.com
155.56.74.75	A+PTR	global.sap.com
155.56.74.76	PTR	global1.sap.com
155.56.74.76	A	global12.sap.com
155.56.74.91	PTR	www1.saphosting.com
155.56.74.99	A+PTR	applications2.sap.com
155.56.74.100	A+PTR	applications.sap.com
155.56.74.100	A	applications.gtm.sap.com
155.56.74.105	A	certification1.sap.com
155.56.74.108	A	training.sap.com
155.56.74.108	A	training.gtm.sap.com
155.56.74.109	A	service.contentplayer.gtm.sap.com
155.56.74.111	PTR	m.training.sap.com
155.56.74.112	A+PTR	m.training.sap.com
155.56.74.112	A	m.training.gtm.sap.com
155.56.74.120	A	download.sap.com
155.56.74.122	A	kiosk2.sap.com
155.56.74.123	A	customer2.sap.com
155.56.74.131	A	wwwserv.gtm.sap.com
155.56.74.131	A	wwwserv.sap.com
155.56.74.147	A	search.training.gtm.sap.com
155.56.74.149	A	training-stage.gtm.sap.com
155.56.74.160	PTR	kiosk2.sap.com
155.56.74.160	A	app10.training.sap.com
155.56.74.161	A	cdn10.training.sap.com
155.56.74.161	A	cdn.training.gtm.sap.com
155.56.74.172	A	stage.training.gtm.sap.com
155.56.74.193	A+PTR	testwdf.sap.com