Robtex

Up: 72.52.56.0/21
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Down left: 72.52.56.0/23
Down right: 72.52.58.0/23

IP	Type	Hostname
72.52.56.1	PTR	unknown.prolexic.com
72.52.56.2	PTR	unknown.prolexic.com
72.52.56.3	PTR	unknown.prolexic.com
72.52.56.4	PTR	unknown.prolexic.com
72.52.56.5	PTR	unknown.prolexic.com
72.52.56.7	PTR	unknown.prolexic.com
72.52.56.8	PTR	unknown.prolexic.com
72.52.56.9	PTR	unknown.prolexic.com
72.52.56.16	PTR	unknown.prolexic.com
72.52.56.27	PTR	unknown.prolexic.com
72.52.56.31	PTR	unknown.prolexic.com
72.52.56.34	PTR	unknown.prolexic.com
72.52.56.36	PTR	unknown.prolexic.com
72.52.56.37	PTR	unknown.prolexic.com
72.52.56.38	PTR	unknown.prolexic.com
72.52.56.43	PTR	unknown.prolexic.com
72.52.56.51	PTR	unknown.prolexic.com
72.52.56.59	PTR	unknown.prolexic.com
72.52.56.61	PTR	unknown.prolexic.com
72.52.56.63	PTR	unknown.prolexic.com
72.52.56.73	PTR	unknown.prolexic.com
72.52.56.78	PTR	unknown.prolexic.com
72.52.56.80	PTR	a72-52-56-80.deploy.static.akamaitechnologies.com
72.52.56.81	PTR	unknown.prolexic.com
72.52.56.87	PTR	unknown.prolexic.com
72.52.56.89	PTR	unknown.prolexic.com
72.52.56.94	PTR	unknown.prolexic.com
72.52.56.99	PTR	unknown.prolexic.com
72.52.56.133	PTR	unknown.prolexic.com
72.52.56.164	PTR	unknown.prolexic.com
72.52.56.175	PTR	unknown.prolexic.com
72.52.56.192	PTR	unknown.prolexic.com
72.52.56.194	PTR	unknown.prolexic.com
72.52.56.202	PTR	po111.bs-b.sech-tyo.netarch.akamai.com
72.52.57.1	PTR	unknown.prolexic.com
72.52.57.11	PTR	unknown.prolexic.com
72.52.57.64	PTR	unknown.prolexic.com
72.52.57.84	PTR	unknown.prolexic.com
72.52.57.110	PTR	unknown.prolexic.com
72.52.57.113	A+PTR	a72-52-57-113.deploy.static.akamaitechnologies.com
72.52.57.114	A+PTR	a72-52-57-114.deploy.static.akamaitechnologies.com
72.52.57.116	PTR	unknown.prolexic.com
72.52.57.117	PTR	unknown.prolexic.com
72.52.57.118	A+PTR	a72-52-57-118.deploy.static.akamaitechnologies.com
72.52.57.143	PTR	unknown.prolexic.com
72.52.57.147	PTR	unknown.prolexic.com
72.52.57.157	PTR	unknown.prolexic.com
72.52.57.199	PTR	unknown.prolexic.com
72.52.57.223	PTR	unknown.prolexic.com
72.52.57.236	PTR	unknown.prolexic.com
72.52.58.0	PTR	lo2358.access-a.sech-tyo.netarch.akamai.com
72.52.58.16	PTR	unknown.prolexic.com
72.52.58.17	PTR	unknown.prolexic.com
72.52.58.23	PTR	unknown.prolexic.com
72.52.58.41	PTR	unknown.prolexic.com
72.52.58.65	PTR	unknown.prolexic.com
72.52.58.70	PTR	unknown.prolexic.com
72.52.58.84	PTR	unknown.prolexic.com
72.52.58.98	PTR	unknown.prolexic.com
72.52.58.142	PTR	unknown.prolexic.com
72.52.58.143	PTR	unknown.prolexic.com
72.52.58.172	PTR	a72-52-58-172.deploy.static.akamaitechnologies.com
72.52.58.239	PTR	unknown.prolexic.com
72.52.59.2	PTR	unknown.prolexic.com
72.52.59.19	PTR	unknown.prolexic.com
72.52.59.36	PTR	unknown.prolexic.com
72.52.59.45	PTR	unknown.prolexic.com
72.52.59.62	PTR	unknown.prolexic.com
72.52.59.63	PTR	unknown.prolexic.com
72.52.59.73	PTR	unknown.prolexic.com
72.52.59.74	PTR	unknown.prolexic.com
72.52.59.76	PTR	unknown.prolexic.com
72.52.59.80	PTR	unknown.prolexic.com
72.52.59.89	PTR	unknown.prolexic.com
72.52.59.99	PTR	unknown.prolexic.com
72.52.59.104	PTR	unknown.prolexic.com
72.52.59.113	PTR	unknown.prolexic.com
72.52.59.140	PTR	unknown.prolexic.com
72.52.59.152	PTR	unknown.prolexic.com
72.52.59.153	PTR	unknown.prolexic.com
72.52.59.162	PTR	a72-52-59-162.deploy.static.akamaitechnologies.com
72.52.59.232	PTR	unknown.prolexic.com