Robtex

Up: 155.56.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 155.56.64.0/21
Down right: 155.56.72.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
155.56.66.72	A	dewdfm376.sap-ag.de
155.56.66.81	A+PTR	mywtscsg02.sap.com
155.56.66.96	A+PTR	smtpgw01.mail.net.sap
155.56.66.96	A	smtpgw01.sap-ag.de
155.56.66.96	A	smtpgw.sap-ag.de
155.56.66.97	A+PTR	smtpgw02.sap-ag.de
155.56.66.97	A	smtpgw.sap-ag.de
155.56.66.98	PTR	smtpgw03.mail.net.sap
155.56.66.98	A	smtpgw.sap-ag.de
155.56.66.99	PTR	smtpgw04.sap-ag.de
155.56.66.99	A	smtpgw.sap-ag.de
155.56.66.128	PTR	sip.sap.com
155.56.66.132	PTR	sip.sap.com
155.56.66.147	PTR	lync.co.sap.com
155.56.66.192	A	ns2access.sap-ag.de
155.56.66.193	A	ns2accessemea.sap-ag.de
155.56.66.194	A	access.co.sap.com
155.56.68.10	A+PTR	subsid.sap.de
155.56.68.10	A	www.sap-so.com
155.56.68.10	A	sapjvm.com
155.56.68.11	PTR	webmail.sap.com
155.56.68.16	A+PTR	ftp.sap.com
155.56.68.22	A+PTR	listserv.sap.com
155.56.68.71	A	news.sap.com
155.56.68.71	A	ftp.sap-ag.de
155.56.68.137	A	smtpde04.sap-ag.de
155.56.68.138	A	smtpde03ip.sap-ag.de
155.56.68.139	A	smtpde04ip.sap-ag.de
155.56.68.140	A	smtpde02.mail.net.sap
155.56.68.150	A+PTR	smtpdem02.smtp.sap-ag.de
155.56.68.150	A	smtpdem02.sap-ag.de
155.56.68.166	A	smtpde01ip.sap-ag.de
155.56.68.167	A	smtpde02ip.sap-ag.de
155.56.68.170	PTR	smtpde01.mail.net.sap
155.56.68.170	A	smtpde01.sap-ag.de
155.56.68.170	A	smtpde01.smtp.sap-ag.de
155.56.68.171	PTR	smtpde03.sap-ag.de
155.56.68.180	PTR	smtpdem01.mail.net.sap
155.56.68.180	A	smtpdem01.sap-ag.de
155.56.68.180	A	smtpdem01.smtp.sap-ag.de
155.56.68.196	A+PTR	ns2.sap-ag.de
155.56.68.196	A	mail-02.12sprints.com
155.56.68.197	A	ns2b.sap-ag.de
155.56.68.198	A	ns11.sap-ag.de
155.56.68.214	A+PTR	proxy214.sap-ag.de
155.56.68.215	A+PTR	proxy215.sap-ag.de
155.56.68.215	A	sworklife.com
155.56.68.216	A+PTR	proxy216.sap-ag.de
155.56.68.217	PTR	proxy217.sap-ag.de
155.56.68.228	PTR	dmzserv1.sap-ag.de
155.56.68.229	A+PTR	dmzserv2.sap-ag.de
155.56.68.229	A	dmzserv1.sap-ag.de
155.56.68.232	A+PTR	dmzdns.sap-ag.de
155.56.68.240	PTR	dmzdns.sap-ag.de
155.56.69.20	A	pwdf1515.sap-ag.de
155.56.69.68	A	ics00.sap-ag.de
155.56.69.69	A	icc00.sap-ag.de
155.56.69.75	A	dewdfcf10.sap-ag.de
155.56.69.168	A+PTR	rsm.research.sap.com
155.56.69.191	A+PTR	customertesting.sap.com
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	www10.sap.com
155.56.74.25	A	wwwts2.sap.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
155.56.74.49	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
155.56.74.91	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
155.56.74.112	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
155.56.74.131	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