Robtex

Up: 75.127.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 75.127.16.0/21
Down right: 75.127.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
75.127.16.3	A+PTR	mail.collinscom.net
75.127.16.3	A	mail.wyomingsubs.com
75.127.16.3	A	mail.alpacasranch.com
75.127.16.5	PTR	ns1.collinscom.net
75.127.16.18	A	cciav01.collinscom.net
75.127.16.20	A+PTR	chat.ccihq.net
75.127.16.22	A	speedtest.ccihq.net
75.127.16.40	A+PTR	webmail.ccihq.net
75.127.16.40	A	mail.ccihq.net
75.127.17.4	A	mail.mcllc.net
75.127.17.6	A	ftp.celeritycorp.net
75.127.17.10	A+PTR	vpn.mabby.net
75.127.17.10	A	mabby.net
75.127.17.34	A+PTR	n0wq.com
75.127.17.34	A	ns1.joyfulgetaways.com
75.127.17.34	A	mail.joyfulgetaways.com
75.127.17.94	A	remote.cccdistrict.com
75.127.17.98	A	remote.prcwy.com
75.127.17.102	PTR	mail.lsi-inc.us
75.127.17.230	A+PTR	ns4.collinscom.net
75.127.18.94	A	*.optigroup.be
75.127.18.94	A	mail.bgccampbell.org
75.127.19.114	PTR	mail.rangeandwater.com
75.127.19.138	A	mail.yttbridal.com
75.127.19.138	A	ns1.yttbridal.com
75.127.19.138	A	ns2.yttbridal.com
75.127.19.146	A	mail.toddhoesecpa.com
75.127.20.98	A	mail.ssbuilders.com
75.127.20.170	A	remote.miningelectricalservices.com
75.127.20.171	A	remote.chieftek.net
75.127.20.186	PTR	mail.highplainsinc.net
75.127.21.208	A	secure-apple-appleid-applesupport.com
75.127.22.195	A	ctbracesnetwork.com
75.127.23.48	PTR	dhcp48.wst1.collinscom.net
75.127.23.81	PTR	dhcp81.wst1.collinscom.net
75.127.27.105	A	mynameiscade.com
75.127.27.149	A	cltechllc.com
75.127.29.104	A	www.navarroisd.net
75.127.31.4	A	mail.precorp.coop
75.127.31.4	A	smtp1.precorp.coop