Robtex

Up: 210.4.66.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 210.4.66.0/25
Down right: 210.4.66.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.4.66.6	PTR	210-4-66-6-dsl.bdcom.com
210.4.66.6	A	mail.kacharighar.com
210.4.66.6	A	3wattbrain.com
210.4.66.11	PTR	210-4-66-11-dsl.bdcom.com
210.4.66.12	PTR	210-4-66-12-dsl.bdcom.com
210.4.66.12	A	funtooshbd.com
210.4.66.12	A	mojaloi.com
210.4.66.14	PTR	210-4-66-14-dsl.bdcom.com
210.4.66.14	A	priyojonbd.com
210.4.66.21	A	bcsir.sms.com.bd
210.4.66.41	PTR	210-4-66-41-dsl.bdcom.com
210.4.66.70	PTR	210-4-66-70-dsl.bdcom.com
210.4.66.70	A	mx2.thecitybank.com
210.4.66.75	PTR	210-4-66-75-dsl.bdcom.com
210.4.66.97	PTR	210-4-66-97-dsl.bdcom.com
210.4.66.98	PTR	210-4-66-98-dsl.bdcom.com
210.4.66.100	PTR	210-4-66-100-dsl.bdcom.com
210.4.66.100	A	ibank.dhakabank.com.bd
210.4.66.186	A+PTR	mail.floralimited.com
210.4.66.187	A+PTR	proxy.floralimited.com
210.4.66.188	A+PTR	www.floralimited.com
210.4.66.188	A	floralimited.com