Robtex

Up: 209.206.192.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 209.206.192.0/22
Down right: 209.206.196.0/22

IP	Type	Hostname
209.206.193.176	PTR	ppp0497.lr.centurytel.net
209.206.193.181	PTR	ppp0502.lr.centurytel.net
209.206.193.244	PTR	ppp0565.lr.centurytel.net
209.206.196.2	PTR	mail.lcmctroy.com
209.206.196.114	PTR	209-206-196-114.stat.centurytel.net
209.206.196.182	PTR	209-206-196-182.stat.centurytel.net
209.206.197.164	A+PTR	ppp133.ob.centurytel.net
209.206.197.173	A+PTR	ppp142.ob.centurytel.net
209.206.197.205	A+PTR	ppp174.ob.centurytel.net
209.206.198.213	A	mail.cuivre.com
209.206.199.155	PTR	ppp092.spt.centurytel.net