Robtex

Up: 139.1.148.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 139.1.148.0/25
Down right: 139.1.148.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
139.1.148.5	A+PTR	fraosmx35001.bkvibro.com
139.1.148.5	A	bkvibro.fr
139.1.148.5	A	bkvibro.de
139.1.148.6	A	mail.bkvibro.de
139.1.148.30	A	o-s.de
139.1.148.30	A	www.operational-services.de
139.1.148.30	A	operational-services.de
139.1.148.156	A+PTR	fraosmx04001.kellerholding.com
139.1.148.254	A+PTR	ns0.dc-os.de