Robtex

Up: 72.216.0.0/18
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Down left: 72.216.0.0/20
Down right: 72.216.16.0/20

IP	Type	Hostname
72.216.0.0	A+PTR	ip72-216-0-0.pn.at.cox.net
72.216.0.2	PTR	ip72-216-0-2.pn.at.cox.net
72.216.0.4	A	ip72-216-0-4.pn.at.cox.net
72.216.0.23	A	ip72-216-0-23.pn.at.cox.net
72.216.0.32	PTR	ip72-216-0-32.pn.at.cox.net
72.216.0.34	PTR	ip72-216-0-34.pn.at.cox.net
72.216.0.36	A	ip72-216-0-36.pn.at.cox.net
72.216.0.220	A	ip72-216-0-220.pn.at.cox.net
72.216.2.47	A+PTR	ip72-216-2-47.pn.at.cox.net
72.216.3.126	PTR	ip72-216-3-126.pn.at.cox.net
72.216.3.171	A+PTR	ip72-216-3-171.pn.at.cox.net
72.216.3.204	PTR	ip72-216-3-204.pn.at.cox.net
72.216.4.94	PTR	ip72-216-4-94.pn.at.cox.net
72.216.5.115	A	ip72-216-5-115.pn.at.cox.net
72.216.6.141	A+PTR	ip72-216-6-141.pn.at.cox.net
72.216.6.225	A	gulfweb.net
72.216.7.160	A+PTR	ip72-216-7-160.pn.at.cox.net
72.216.10.61	A	ip72-216-10-61.pn.at.cox.net
72.216.10.68	PTR	ip72-216-10-68.pn.at.cox.net
72.216.11.3	A	ip72-216-11-3.pn.at.cox.net
72.216.11.67	A	ip72-216-11-67.pn.at.cox.net
72.216.11.172	A	ip72-216-11-172.pn.at.cox.net
72.216.13.2	A+PTR	ip72-216-13-2.pn.at.cox.net
72.216.17.2	A	ip72-216-17-2.pn.at.cox.net
72.216.17.133	PTR	ip72-216-17-133.pn.at.cox.net
72.216.18.2	A+PTR	ip72-216-18-2.pn.at.cox.net
72.216.19.6	A	ip72-216-19-6.pn.at.cox.net
72.216.19.93	A	ip72-216-19-93.pn.at.cox.net
72.216.19.124	A	ip72-216-19-124.pn.at.cox.net
72.216.19.174	A	ip72-216-19-174.pn.at.cox.net
72.216.19.234	A	ip72-216-19-234.pn.at.cox.net
72.216.19.237	A	ip72-216-19-237.pn.at.cox.net
72.216.19.254	A	ip72-216-19-254.pn.at.cox.net
72.216.20.154	A+PTR	ip72-216-20-154.pn.at.cox.net
72.216.21.241	A+PTR	ip72-216-21-241.pn.at.cox.net
72.216.21.243	A+PTR	ip72-216-21-243.pn.at.cox.net
72.216.22.187	A+PTR	ip72-216-22-187.pn.at.cox.net
72.216.23.36	A	ip72-216-23-36.pn.at.cox.net
72.216.26.2	A	ip72-216-26-2.pn.at.cox.net
72.216.27.65	A+PTR	ip72-216-27-65.pn.at.cox.net
72.216.27.160	A+PTR	ip72-216-27-160.pn.at.cox.net
72.216.27.191	A	ip72-216-27-191.pn.at.cox.net
72.216.27.248	A	ip72-216-27-248.pn.at.cox.net
72.216.28.7	A	ip72-216-28-7.pn.at.cox.net
72.216.28.95	A	ip72-216-28-95.pn.at.cox.net
72.216.28.184	A	ip72-216-28-184.pn.at.cox.net
72.216.28.200	A	ip72-216-28-200.pn.at.cox.net
72.216.30.156	A	ip72-216-30-156.pn.at.cox.net
72.216.31.84	PTR	ip72-216-31-84.pn.at.cox.net