Robtex

Up: 212.23.138.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.23.139.0/25
Down right: 212.23.139.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.23.139.2	A+PTR	mail.bochum.de
212.23.139.2	A	mail.wattenscheid.de
212.23.139.3	A	gw-node1.bochum.de
212.23.139.4	A	gw-node2.bochum.de
212.23.139.11	A	bochum.de
212.23.139.32	A	bochum-strategie.com
212.23.139.32	A	www.stadtbuecherei-bochum.de
212.23.139.32	A	bibliothekenrheinruhr.de
212.23.139.37	A	stadtbuecherei-bochum.de
212.23.139.37	A	www.bochumer-bibliotheken.de
212.23.139.90	A+PTR	ns03.spaixx.eu
212.23.139.133	PTR	mail.groenemeyer.com
212.23.139.133	A	ajax2.de
212.23.139.133	A	grundwert.de
212.23.139.135	A	mail.start2.de
212.23.139.135	A	mail.lowcarb-ernaehrung.de
212.23.139.135	A	mail.ratio-ernaehrung.de
212.23.139.138	A	adamsarmaturen.de
212.23.139.138	A	adamsarmatura.ru
212.23.139.138	A	www.adams-armaturen.de
212.23.139.140	A+PTR	mail1.adams-armaturen.de
212.23.139.146	A	mail.remira.de
212.23.139.152	A	mail2.n-e-s.de
212.23.139.165	A	automation24.fr
212.23.139.166	A	inherne.net
212.23.139.166	A	www.inherne.net
212.23.139.171	A	www.demografiemonitor-ag-ruhr.de
212.23.139.171	A	demografiemonitor-ag-ruhr.de
212.23.139.201	A	sdsl-139-201.customer.tmr.net
212.23.139.212	A	mail.rav-valve.com
212.23.139.220	A+PTR	mail.boehmer.de
212.23.139.226	A	mail.provalida.de
212.23.139.244	A	quadressonline.de
212.23.139.249	A	sdsl-139-249.customer.tmr.net