Robtex

Up: 193.141.40.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 193.141.42.0/24
Down right: 193.141.43.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.141.42.0	PTR	routed-static-pa.de.kpn-eurorings.net
193.141.42.3	A	waterroof0x-e0-0-100-1.de.kpn-eurorings.net
193.141.42.5	PTR	routed-static-pa.de.kpn-eurorings.net
193.141.42.42	PTR	ganesh.de.kpn-eurorings.net
193.141.42.42	PTR	ganesh.ka.xlink.net
193.141.42.42	A	relayi.xlink.net
193.141.42.44	A+PTR	cousin.de.kpn-eurorings.net
193.141.42.46	A+PTR	etamin.de.kpn-eurorings.net
193.141.42.48	PTR	routed-static-pa.de.kpn-eurorings.net
193.141.42.57	A+PTR	xlink57.xlink.net
193.141.42.62	A	charon.de.kpn-eurorings.net
193.141.42.65	PTR	193-141-42-65.de.kpn-eurorings.net
193.141.42.73	PTR	193-141-42-73.de.kpn-eurorings.net
193.141.42.89	PTR	193-141-42-89.de.kpn-eurorings.net
193.141.42.91	PTR	193-141-42-91.de.kpn-eurorings.net
193.141.42.96	PTR	193-141-42-96.de.kpn-eurorings.net
193.141.42.96	A	xlink96.xlink.net
193.141.42.122	PTR	193-141-42-122.de.kpn-eurorings.net
193.141.42.123	PTR	193-141-42-123.de.kpn-eurorings.net
193.141.42.160	PTR	unused-static-pa.de.kpn-eurorings.net
193.141.42.209	A	charon.de.kpn-eurorings.net
193.141.42.210	PTR	unused-static-pa.de.kpn-eurorings.net
193.141.42.210	A	xod.kpnqwest.de
193.141.42.218	PTR	unused-static-pa.de.kpn-eurorings.net
193.141.42.223	PTR	unused-static-pa.de.kpn-eurorings.net
193.141.42.228	PTR	unused-static-pa.de.kpn-eurorings.net
193.141.42.228	A	deanna.de.kpn-eurorings.net
193.141.42.229	PTR	unused-static-pa.de.kpn-eurorings.net
193.141.42.229	A	pavel.de.kpn-eurorings.net
193.141.42.230	PTR	193-141-42-230-i.as286.net
193.141.42.230	A	charon.de.kpn-eurorings.net
193.141.42.233	A	charon.de.kpn-eurorings.net
193.141.42.253	PTR	unused-static-pa.de.kpn-eurorings.net
193.141.43.2	A+PTR	nidan.de.kpn-eurorings.net
193.141.43.2	A	mail.ffm.xlink.net
193.141.43.2	A	ffm.xlink.net
193.141.43.3	PTR	shodan.eurorings.net
193.141.43.5	PTR	193-141-43-5.de.kpn-eurorings.net
193.141.43.30	PTR	193-141-43-30.de.kpn-eurorings.net
193.141.43.31	PTR	193-141-43-31.de.kpn-eurorings.net
193.141.43.115	PTR	unused-static-pa.de.kpn-eurorings.net
193.141.43.118	PTR	unused-static-pa.de.kpn-eurorings.net
193.141.43.129	PTR	193-141-43-129.de.kpn-eurorings.net
193.141.43.130	PTR	193-141-43-130.de.kpn-eurorings.net
193.141.43.138	PTR	193-141-43-138.de.kpn-eurorings.net
193.141.43.142	PTR	193-141-43-142.de.kpn-eurorings.net
193.141.43.158	A+PTR	traceroute.org
193.141.43.158	A	www.traceroute.org
193.141.43.225	PTR	193-141-43-225.de.kpn-eurorings.net
193.141.43.235	PTR	193-141-43-235.de.kpn-eurorings.net
193.141.43.244	PTR	nread-ng.de.kpn-eurorings.net
193.141.43.244	A	nread.de.kpn-eurorings.net