Robtex

Up: 155.56.38.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 155.56.38.0/25
Down right: 155.56.38.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
155.56.38.18	PTR	crupdates.businessobjects.com
155.56.38.196	A	ucemeasip01.sap.com
155.56.38.196	A	sip.sap.com
155.56.38.197	A	ucemeaweb01.sap.com
155.56.38.198	A	ucemeaaav01.sap.com
155.56.38.199	A	ucemeasip01.sap.com
155.56.38.199	A	sip.sap.com
155.56.38.200	A	ucemeaweb01.sap.com
155.56.38.201	A	ucemeaaav01.sap.com
155.56.38.202	A	lync.co.sap.com
155.56.38.202	A	ucemeadirpoolws01.sap.com
155.56.38.202	A	lyncdiscover.sap.com
155.56.38.203	A	ucemeafrepoolws03.sap.com
155.56.38.203	A	ucemeafrepoolws01.sap.com
155.56.38.204	A	ucemeawacpoolws01.sap.com
155.56.38.205	A+PTR	ucemeafrepoolws02.sap.com
155.56.38.206	A+PTR	ucemeafrepoolws30.sap.com
155.56.38.211	A+PTR	ucemeasip01.sap.com
155.56.38.211	A	sip.sap.com
155.56.38.212	A+PTR	ucemeaweb01.sap.com
155.56.38.213	A+PTR	ucemeaaav01.sap.com
155.56.38.214	A+PTR	ucemeasip01.sap.com
155.56.38.214	A	sip.sap.com
155.56.38.215	A+PTR	ucemeaweb01.sap.com
155.56.38.216	PTR	ucemeaav01.sap.com
155.56.38.216	A	ucemeaaav01.sap.com
155.56.38.217	A+PTR	ucemeasip01.sap.com
155.56.38.217	A	sip.sap.com
155.56.38.218	A+PTR	ucemeaweb01.sap.com
155.56.38.219	A+PTR	ucemeaaav01.sap.com
155.56.38.220	A+PTR	ucemeasip01.sap.com
155.56.38.220	A	sip.sap.com
155.56.38.221	A+PTR	ucemeaweb01.sap.com
155.56.38.222	A+PTR	ucemeaaav01.sap.com
155.56.38.234	A	ucemeasip01.sap.com
155.56.38.234	A	sip.sap.com