Robtex

Up: 74.80.180.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 74.80.180.0/25
Down right: 74.80.180.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
74.80.180.3	PTR	3.smart-dns.net
74.80.180.10	PTR	10.smart-dns.net
74.80.180.10	A	www.accessory4u.com
74.80.180.10	A	mail.ekosmetyki.net
74.80.180.11	PTR	11.smart-dns.net
74.80.180.12	A	building-fisherman.com
74.80.180.14	PTR	14.smart-dns.net
74.80.180.21	PTR	srvc59.stringmask.com
74.80.180.26	PTR	seo-host-pros.com
74.80.180.27	PTR	seo-host-pros.com
74.80.180.30	PTR	seo-host-pros.com
74.80.180.36	PTR	36.smart-dns.net
74.80.180.37	A	stormscenes.com
74.80.180.37	A	mail.stormscenes.com
74.80.180.37	A	*.chicagobrassquintet.com
74.80.180.38	PTR	38.smart-dns.net
74.80.180.38	A	weyusugongo.biz
74.80.180.38	A	onlinecalculator.info
74.80.180.45	PTR	45.smart-dns.net
74.80.180.46	PTR	46.smart-dns.net
74.80.180.58	PTR
74.80.180.58	A	jesusismagicthemovie.com
74.80.180.58	A	slimgeour.com
74.80.180.59	PTR
74.80.180.59	A	dns6.fruitpizza.net
74.80.180.59	A	dns7.fruitpizza.net
74.80.180.61	PTR
74.80.180.61	A	mail.citypix.net
74.80.180.61	A	pequannocktownship.org
74.80.180.62	A	grocerybasketapp.com
74.80.180.83	A	dns2.page1hosting.asia
74.80.180.84	A	mail.lostuni.com
74.80.180.84	A	lostuni.com
74.80.180.85	A	*.7879designs.com
74.80.180.85	A	www.7879designs.com
74.80.180.86	A	mail.trafforddeals.com
74.80.180.93	A	blick-wechsel.info
74.80.180.93	A	dns437.seohosting.co.in
74.80.180.93	A	zebravolcano.com
74.80.180.102	PTR	102.smart-dns.net
74.80.180.107	PTR	107.smart-dns.net
74.80.180.110	PTR	110.smart-dns.net
74.80.180.110	A	yotaphone.biz
74.80.180.110	A	craftyminute.com
74.80.180.124	PTR	124.colostore.net
74.80.180.126	PTR	126.smart-dns.net