Robtex

Up: 66.249.136.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 66.249.138.0/24
Down right: 66.249.139.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.249.138.4	A+PTR	dwhsa4.dwhs.net
66.249.138.4	A	www.gtkperl.org
66.249.138.4	A	dc-c0f2ce1e.nvbe.org
66.249.138.12	PTR	12-x-249-66.blacksun.net
66.249.138.14	PTR	14-x-249-66.blacksun.net
66.249.138.15	A	mail.bizshoppingcart.com
66.249.138.19	A+PTR	dwhsa19.dwhs.net
66.249.138.19	A	networthydomains.com
66.249.138.19	A	luxusnutte.de
66.249.138.20	PTR	20-138-249-66.blacksun.net
66.249.138.24	PTR	24-138-249-66.blacksun.net
66.249.138.32	A	gadgetmepink.com
66.249.138.33	PTR	33-x-249-66.blacksun.net
66.249.138.33	A	picklovely.com
66.249.138.34	A	auctionallnow.com
66.249.138.55	PTR	55-138-249-66.blacksun.net
66.249.138.70	PTR	dwhsa70.dwhs.net
66.249.138.70	A	sweetphonesex.com
66.249.138.70	A	toi18.com
66.249.138.75	PTR	75-x-249-66.blacksun.net
66.249.138.82	A	confidenceismine.com
66.249.138.89	PTR	89-x-249-66.blacksun.net
66.249.138.89	A	exquisitelily.com
66.249.138.110	PTR	110-x-249-66.blacksun.net
66.249.138.110	A	mail.newhalfmoviesjapan.com
66.249.138.140	A	dwhsa140.dwhs.net
66.249.138.141	PTR	141-x-249-66.blacksun.net
66.249.138.145	A	ftp.hiptravelguide.com
66.249.138.145	A	www.hiptravelguide.com
66.249.138.161	PTR	161-x-249-66.blacksun.net
66.249.138.164	PTR	164-x-249-66.blacksun.net
66.249.138.165	PTR	165-x-249-66.blacksun.net
66.249.138.170	PTR	170-x-249-66.blacksun.net
66.249.138.170	A	ns1.fivesquaredays.com
66.249.138.170	A	mail170.fivesquaredays.com
66.249.138.171	PTR	171-x-249-66.blacksun.net
66.249.138.171	A	mail171.fivesquaredays.com
66.249.138.171	A	ns2.fivesquaredays.com
66.249.138.198	PTR	198-x-249-66.blacksun.net
66.249.138.236	PTR	236-138-249-66.blacksun.net
66.249.138.243	PTR	243-138-249-66.blacksun.net
66.249.139.20	PTR	20-139-249-66.blacksun.net
66.249.139.24	PTR	24-139-249-66.blacksun.net
66.249.139.55	PTR	55-139-249-66.blacksun.net
66.249.139.110	PTR	110-x-249-66.blacksun.net
66.249.139.164	PTR	164-x-249-66.blacksun.net
66.249.139.198	PTR	198-x-249-66.blacksun.net
66.249.139.236	PTR	236-139-249-66.blacksun.net
66.249.139.243	PTR	243-139-249-66.blacksun.net