Robtex

Up: 66.149.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 66.149.240.0/21
Down right: 66.149.248.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.149.241.6	A	user-119bs86.biz.mindspring.com
66.149.241.25	A	user-119bs8p.biz.mindspring.com
66.149.241.81	A+PTR	user-119bsah.biz.mindspring.com
66.149.241.148	A	user-119bsck.biz.mindspring.com
66.149.241.162	A+PTR	user-119bsd2.biz.mindspring.com
66.149.241.181	A	user-119bsdl.biz.mindspring.com
66.149.241.229	A	user-119bsf5.biz.mindspring.com
66.149.242.3	A	user-119bsg3.biz.mindspring.com
66.149.242.7	A	user-119bsg7.biz.mindspring.com
66.149.242.10	A	user-119bsga.biz.mindspring.com
66.149.242.11	A	user-119bsgb.biz.mindspring.com
66.149.242.16	A	user-119bsgg.biz.mindspring.com
66.149.242.20	A	user-119bsgk.biz.mindspring.com
66.149.242.21	A	user-119bsgl.biz.mindspring.com
66.149.244.105	A	user-119bt39.biz.mindspring.com
66.149.244.164	A	user-119bt54.biz.mindspring.com
66.149.244.191	A	user-119bt5v.biz.mindspring.com
66.149.244.210	A+PTR	user-119bt6i.biz.mindspring.com
66.149.244.228	A	user-119bt74.biz.mindspring.com
66.149.244.240	A+PTR	user-119bt7g.biz.mindspring.com
66.149.246.26	A	user-119btgq.biz.mindspring.com
66.149.248.77	A	user-119bu2d.biz.mindspring.com
66.149.249.33	A	georgeiny.com
66.149.249.41	A	user-119bu99.biz.mindspring.com
66.149.249.54	A	user-119bu9m.biz.mindspring.com
66.149.249.74	A	user-119buaa.biz.mindspring.com
66.149.249.94	A	user-119buau.biz.mindspring.com
66.149.249.168	A	user-119bud8.biz.mindspring.com
66.149.252.31	A	teachergrader.org
66.149.252.31	A	teachergrader.com
66.149.252.31	A	victorysportsgroup.net
66.149.252.107	A	john.ringpow.com
66.149.253.5	A	mail.technotinkers.net
66.149.255.255	A	user-119bvvv.biz.mindspring.com