Robtex

Up: 216.70.30.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.70.31.0/25
Down right: 216.70.31.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.70.31.1	PTR	pc1-31.mmi-internet.com
216.70.31.2	PTR	pc2-31.mmi-internet.com
216.70.31.3	PTR	pc3-31.mmi-internet.com
216.70.31.4	PTR	pc4-31.mmi-internet.com
216.70.31.5	PTR	pc5-31.mmi-internet.com
216.70.31.6	PTR	pc6-31.mmi-internet.com
216.70.31.7	PTR	pc7-31.mmi-internet.com
216.70.31.8	PTR	pc8-31.mmi-internet.com
216.70.31.9	PTR	pc9-31.mmi-internet.com
216.70.31.10	PTR	pc10-31.mmi-internet.com
216.70.31.11	PTR	pc11-31.mmi-internet.com
216.70.31.12	PTR	pc12-31.mmi-internet.com
216.70.31.13	A+PTR	216.70.31.13.static.enventis.net
216.70.31.14	PTR	pc14-31.mmi-internet.com
216.70.31.15	PTR	pc15-31.mmi-internet.com
216.70.31.16	PTR	pc16-31.mmi-internet.com
216.70.31.17	PTR	pc17-31.mmi-internet.com
216.70.31.18	PTR	pc18-31.mmi-internet.com
216.70.31.19	PTR	pc19-31.mmi-internet.com
216.70.31.25	PTR	pc25-31.mmi-internet.com
216.70.31.32	A	futuresports.com
216.70.31.32	A	broomball.net
216.70.31.38	PTR	216.70.31.38.static.enventis.net
216.70.31.52	A	mail.smscgc.org
216.70.31.97	PTR	pc97-31.mmi-internet.com
216.70.31.98	PTR	216.70.31.98.static.enventis.net
216.70.31.101	A	z.mx.mm-interactive.com
216.70.31.107	PTR	pc107-31.mmi-internet.com
216.70.31.107	A	mail.wildgooseresort.net
216.70.31.107	A	mail.lrcd.org
216.70.31.118	A	depreciated.pop.mm-interactive.com
216.70.31.138	A+PTR	mail1.smscge.com
216.70.31.139	PTR	216.70.31.139.static.enventis.net
216.70.31.148	A+PTR	mail2.smscge.com
216.70.31.155	A	cougsports.net
216.70.31.166	PTR	pc166-31.mmi-internet.com
216.70.31.166	A	smsctribalgov.org
216.70.31.241	A	riversouthmn.com
216.70.31.242	PTR	pc242-31.mmi-internet.com
216.70.31.242	A	thegreatmidwestribfest.com
216.70.31.242	A	mysticlake.com
216.70.31.243	A	www.littlesixcasino.com
216.70.31.243	A	littlesixcasino.com
216.70.31.246	PTR	pc246-31.mmi-internet.com
216.70.31.246	A	mysticlakemeetings.com
216.70.31.246	A	mysticlakecenter.com
216.70.31.247	PTR	pc247-31.mmi-internet.com
216.70.31.247	A	littlesixinc.net