Robtex

Up: 199.232.144.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 199.232.148.0/23
Down right: 199.232.150.0/23

IP	Type	Hostname
199.232.148.148	PTR	mail.mrboston.com
199.232.148.209	A+PTR	bsc-gw.cape.com
199.232.149.76	PTR	mail.barnstablecounty.org
199.232.149.98	PTR	europa.capecodvacation.com
199.232.149.139	A	mx2.kirwans.com
199.232.149.242	PTR	mail.hyannismarina.com
199.232.150.19	PTR	cc82-4.cape.com
199.232.150.26	PTR	mail.whalingcityauction.com
199.232.150.146	A	gosnold-gw.cape.com
199.232.151.1	A	dsl0-1.cape.com
199.232.151.2	A+PTR	dsl0-2.cape.com
199.232.151.4	A	dsl0-4.cape.com
199.232.151.5	A+PTR	dsl0-5.cape.com
199.232.151.6	A	dsl0-6.cape.com
199.232.151.7	A	dsl0-7.cape.com
199.232.151.8	A	dsl0-8.cape.com
199.232.151.10	A+PTR	msb-gw.cape.com
199.232.151.120	A	franklinscorekeeper.org
199.232.151.120	A	mail.scorehealth.org
199.232.151.120	A	scorehealth.org
199.232.151.196	A	news.cape.com
199.232.151.234	A	ralyn.cape.com