Robtex

Up: 89.146.30.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 89.146.31.0/25
Down right: 89.146.31.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.146.31.3	PTR	rt31bb146-89-3.routit.net
89.146.31.3	A	remote.flib.nl
89.146.31.7	PTR	rt31bb146-89-7.routit.net
89.146.31.8	PTR	rt31bb146-89-8.routit.net
89.146.31.13	PTR	rt31bb146-89-13.routit.net
89.146.31.14	PTR	rt31bb146-89-14.routit.net
89.146.31.19	PTR	rt31bb146-89-19.routit.net
89.146.31.20	PTR	rt31bb146-89-20.routit.net
89.146.31.25	PTR	rt31bb146-89-25.routit.net
89.146.31.29	PTR	rt31bb146-89-29.routit.net
89.146.31.30	PTR	rt31bb146-89-30.routit.net
89.146.31.32	PTR	rt31bb146-89-32.routit.net
89.146.31.44	PTR	rt31bb146-89-44.routit.net
89.146.31.46	PTR	rt31bb146-89-46.routit.net
89.146.31.51	PTR	rt31bb146-89-51.routit.net
89.146.31.57	PTR	rt31bb146-89-57.routit.net
89.146.31.63	PTR	rt31bb146-89-63.routit.net
89.146.31.65	PTR	rt31bb146-89-65.routit.net
89.146.31.66	A	mail.schrevens.nl
89.146.31.68	PTR	rt31bb146-89-68.routit.net
89.146.31.68	A	mail.solidstorage.com
89.146.31.75	PTR	rt31bb146-89-75.routit.net
89.146.31.75	A	mail.leopelsimport.com
89.146.31.81	A	smtp.asthosting.net
89.146.31.85	PTR	rt31bb146-89-85.routit.net
89.146.31.87	PTR	rt31bb146-89-87.routit.net
89.146.31.94	PTR	rt31bb146-89-94.routit.net
89.146.31.98	PTR	rt31bb146-89-98.routit.net
89.146.31.101	PTR	rt31bb146-89-101.routit.net
89.146.31.104	PTR	rt31bb146-89-104.routit.net
89.146.31.105	PTR	rt31bb146-89-105.routit.net
89.146.31.108	PTR	rt31bb146-89-108.routit.net
89.146.31.109	PTR	rt31bb146-89-109.routit.net
89.146.31.110	PTR	rt31bb146-89-110.routit.net
89.146.31.116	PTR	rt31bb146-89-116.routit.net
89.146.31.118	PTR	rt31bb146-89-118.routit.net
89.146.31.124	PTR	rt31bb146-89-124.routit.net
89.146.31.130	PTR	rt31bb146-89-130.routit.net
89.146.31.134	PTR	rt31bb146-89-134.routit.net
89.146.31.136	PTR	rt31bb146-89-136.routit.net
89.146.31.137	PTR	rt31bb146-89-137.routit.net
89.146.31.147	PTR	rt31bb146-89-147.routit.net
89.146.31.154	PTR	rt31bb146-89-154.routit.net
89.146.31.155	PTR	rt31bb146-89-155.routit.net
89.146.31.155	A	gavita.nl
89.146.31.158	PTR	rt31bb146-89-158.routit.net
89.146.31.160	PTR	rt31bb146-89-160.routit.net
89.146.31.162	PTR	rt31bb146-89-162.routit.net
89.146.31.166	PTR	rt31bb146-89-166.routit.net
89.146.31.170	PTR	rt31bb146-89-170.routit.net
89.146.31.173	PTR	rt31bb146-89-173.routit.net
89.146.31.179	PTR	rt31bb146-89-179.routit.net
89.146.31.181	PTR	rt31bb146-89-181.routit.net
89.146.31.182	PTR	rt31bb146-89-182.routit.net
89.146.31.184	PTR	rt31bb146-89-184.routit.net
89.146.31.188	PTR	rt31bb146-89-188.routit.net
89.146.31.189	PTR	rt31bb146-89-189.routit.net
89.146.31.193	PTR	rt31bb146-89-193.routit.net
89.146.31.196	PTR	rt31bb146-89-196.routit.net
89.146.31.197	PTR	rt31bb146-89-197.routit.net
89.146.31.201	PTR	rt31bb146-89-201.routit.net
89.146.31.202	PTR	rt31bb146-89-202.routit.net
89.146.31.203	PTR	rt31bb146-89-203.routit.net
89.146.31.207	PTR	rt31bb146-89-207.routit.net
89.146.31.210	PTR	rt31bb146-89-210.routit.net
89.146.31.212	PTR	rt31bb146-89-212.routit.net
89.146.31.212	A	mail2.payfield.com
89.146.31.212	A	mail2.strida.co.uk
89.146.31.213	PTR	remote.ibsrotterdam.nl
89.146.31.216	PTR	rt31bb146-89-216.routit.net
89.146.31.217	PTR	rt31bb146-89-217.routit.net
89.146.31.218	PTR	rt31bb146-89-218.routit.net
89.146.31.221	PTR	rt31bb146-89-221.routit.net
89.146.31.222	PTR	rt31bb146-89-222.routit.net
89.146.31.225	PTR	rt31bb146-89-225.routit.net
89.146.31.226	PTR	rt31bb146-89-226.routit.net
89.146.31.229	A	mail.vdmbv.com
89.146.31.234	A	mail.floraplant.nl
89.146.31.237	PTR	rt31bb146-89-237.routit.net
89.146.31.238	PTR	rt31bb146-89-238.routit.net
89.146.31.242	PTR	rt31bb146-89-242.routit.net
89.146.31.244	PTR	rt31bb146-89-244.routit.net
89.146.31.247	PTR	rt31bb146-89-247.routit.net
89.146.31.253	PTR	rt31bb146-89-253.routit.net
89.146.31.255	PTR	rt31bb146-89-255.routit.net