Robtex

Up: 216.105.80.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.105.81.0/25
Down right: 216.105.81.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.105.81.1	A	www1.easysex.com
216.105.81.3	A	xgd123.com
216.105.81.4	A	vipdatingoffers.com
216.105.81.7	A	ns1.xgd123.com
216.105.81.8	A	ns2.xxxcupid.com
216.105.81.8	A	ns2.xgd123.com
216.105.81.8	A	ns2.xxxpersonals.com
216.105.81.9	A	mail.instanthookups.com
216.105.81.9	A	mail.xxxpersonals.com
216.105.81.9	A	mail.yourdatingmatches.com
216.105.81.10	A	ns1.eroticads.com
216.105.81.11	A	ns2.eroticads.com
216.105.81.12	A	mail.eroticads.com
216.105.81.13	A	eroticads.com
216.105.81.22	A	ns1.xxxconnect.com
216.105.81.23	A	ns2.xxxconnect.com
216.105.81.24	A	mail.xxxconnect.com
216.105.81.25	A	www.xxxconnect.com
216.105.81.27	A	www2.xxxconnect.com
216.105.81.28	A	ns1.xpress.com
216.105.81.29	A	ns2.xpress.com
216.105.81.30	A	mail.xpress.com
216.105.81.36	A	mail.xxxbookcom.com
216.105.81.36	A	mail.freehookuplist.com
216.105.81.36	A	mail.xxxcupid.com
216.105.81.38	A	www1.sexsearchcom.com
216.105.81.38	A	ams.sexsearchcom.com
216.105.81.38	A	tour1.sexsearchcom.com
216.105.81.39	A	www2.sexsearchcom.com
216.105.81.40	A	ns1.hookupcloud.com
216.105.81.41	A	ns2.hookupcloud.com
216.105.81.42	A	mail.hookupcloud.com
216.105.81.43	A	www.hookupcloud.com
216.105.81.55	A	mail.3hookup.com
216.105.81.141	A	hinetsolutions.com
216.105.81.150	PTR	www.singleseverywhere.com
216.105.81.150	A	singleseverywhere.ca
216.105.81.207	A	guard.me