Robtex

Up: 199.192.208.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 199.192.208.0/23
Down right: 199.192.210.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.192.208.9	PTR	host199-192-208-009.rev.mercurywireless.com
199.192.208.233	PTR	a199-192-208-233.mercurywireless.com
199.192.209.74	PTR	a199-192-209-074.mercurywireless.com
199.192.209.74	A	worley-history.com
199.192.209.74	A	teleamerica.net
199.192.209.119	PTR	host199-192-209-119.rev.mercurywireless.com
199.192.209.143	PTR	a199-192-209-143.mercurywireless.com
199.192.209.242	PTR	a199-192-209-242.mercurywireless.com
199.192.210.34	PTR	a199-192-210-034.mercurywireless.com
199.192.210.50	A	*.nrhamm.com
199.192.210.50	A	service2.nrhamm.com
199.192.210.52	A	dns.nrhamm.com
199.192.210.53	A	service.nrhamm.com
199.192.210.66	PTR	dns1.mercurywireless.com
199.192.210.66	A	ns1.mercurywireless.com
199.192.210.90	A+PTR	mail.itechi.biz
199.192.210.114	A	kuyafarms.com
199.192.210.114	A	dekuya.com
199.192.210.114	A	wearethenewnorm.com
199.192.211.23	PTR	host199-192-211-023.rev.mercurywireless.com
199.192.211.23	A	mercurywireless.com
199.192.211.29	A+PTR	ceres.mercurywireless.com
199.192.211.29	A+PTR	ceres-3-ks.mercurywireless.com
199.192.211.29	A+PTR	ceres-3-in.mercurywireless.com
199.192.211.30	PTR	ceres.zoomfiber.com
199.192.211.30	PTR	ceres-ks.mercurywireless.com
199.192.211.30	PTR	ceres-in.mercurywireless.com
199.192.211.31	PTR	host199-192-211-031.rev.mercurywireless.com
199.192.211.32	PTR	host199-192-211-032.rev.mercurywireless.com
199.192.211.40	PTR	ceres.axessamerica.com
199.192.211.41	PTR	mail.mercurywireless.com
199.192.211.41	PTR	www.mercurywireless.com
199.192.211.51	A	romaryassoc.com
199.192.211.51	A	www.iifs.us
199.192.211.51	A	dennisgrain.com
199.192.211.66	PTR	dns2.mercurywireless.com
199.192.211.66	A	ns2.mercurywireless.com
199.192.211.86	PTR	a199-192-211-086.mercurywireless.com