Robtex

Up: 27.147.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 27.147.240.0/22
Down right: 27.147.244.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
27.147.240.19	PTR	240.19.cetus.link3.net
27.147.240.19	A	www.regencybd.net
27.147.240.20	PTR	mail.regencybd.net
27.147.240.20	A	regencybd.net
27.147.240.20	A	*.regencybd.net
27.147.240.57	PTR	gateway.hkdbd.com
27.147.240.57	A	*.hkdbd.com
27.147.240.57	A	hkdbd.com
27.147.240.59	PTR	mail.hkdbd.com
27.147.240.68	A	mail.worldye.net
27.147.240.85	A	mail.sonnettex.com
27.147.240.105	PTR	send.hkdbd.com
27.147.240.105	A	ns1.sysadminbd.com
27.147.240.105	A	mail.sysadminbd.com
27.147.240.229	A+PTR	mail.pacificjeans.com
27.147.240.230	PTR	mail.pacificjeans.com
27.147.241.17	A	greylist.bsrm.com
27.147.241.18	PTR	mail1.bsrm.com
27.147.241.18	A	mail.bsrm.org
27.147.241.20	A	webmail.bsrm.com
27.147.241.20	A	mail.bsrm.com
27.147.241.62	A	mail.mafshoes.com
27.147.241.212	A	smtp.chevronlab.com
27.147.243.147	PTR	243.147.cetus.link3.net
27.147.246.98	A	ns2.dotnetctg.com
27.147.246.98	A	ns1.dotnetctg.com
27.147.246.98	A	dotnetctg.com
27.147.246.106	A	mail.darulirfan-hqm.com
27.147.246.106	A	darulirfan-hqm.com
27.147.246.106	A	mail.alaqsacomputerbd.com
27.147.247.232	A	mx1.emailrnd.info