Robtex

Up: 193.101.136.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 193.101.138.0/24
Down right: 193.101.139.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.101.139.0	PTR	av193101139.aggerverband.de
193.101.139.2	PTR	www.aggerverband.de
193.101.139.2	A	aggerverband.eu
193.101.139.2	A	simas-membranetechnology.com
193.101.139.8	A+PTR	mx1.aggerverband.de
193.101.139.8	A	avxch.aggerverband.de
193.101.139.9	PTR	mail.aggerverband.de
193.101.139.9	A	mail.drinkingwaterdams.com
193.101.139.9	A	mx2.aggerverband.de
193.101.139.28	A	aggerverband.eu
193.101.139.28	A	aggerverband.de
193.101.139.28	A	aggerverband.org
193.101.139.100	PTR	av193101139100.aggerverband.de
193.101.139.100	A	nx.aggerverband.de