Robtex

Up: 23.59.144.0/21
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Down left: 23.59.144.0/23
Down right: 23.59.146.0/23

IP	Type	Hostname
23.59.146.201	PTR	a23-59-146-201.deploy.static.akamaitechnologies.com
23.59.146.217	PTR	a23-59-146-217.deploy.static.akamaitechnologies.com
23.59.147.39	PTR	a23-59-147-39.deploy.akamaitechnologies.com
23.59.147.47	PTR	a23-59-147-47.deploy.static.akamaitechnologies.com
23.59.147.47	A	edge.networkworld.com
23.59.147.235	A	e935.g.akamaiedge.net.0.1.cn.akamaiedge.net