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. 2016 Mar 16;11(3):e0150300. doi: 10.1371/journal.pone.0150300

Table 5. Network information observed for the Skype app.

Registered owner IP address(es) URL(s) observed
Akamai Technologies, Inc. 23.58.43.27 e8218.ce.akamaiedge.netocsp.ws.symantec.com.edgekey.net, ocsp.verisign.com
Akamai Technologies, Inc. 23.58.236.138 e4593.g.akamaiedge.netwildcard.skype.com.edgekey.net
Akamai Technologies, Inc. 23.58.154.154 e8011.g.akamaiedge.netwildcard.msads.net.edgekey.net
Microsoft Corp. 65.54.184.60 baymsgr1010611.gateway.messenger.live.com
Microsoft Corp. 65.55.68.104 activesync.glbdns2.microsoft.com, m.hotmail.com
Microsoft Corp. 65.55.246.85, 65.55.246.149 proxy-blu-people.directory.live.com.akadns.net, proxy-blu-people.directory.live.com
Privately Owned Enterprise "M.O.D.A." 91.190.216.51, 91.190.216.56, 91.190.216.57, 91.190.216.58, 91.190.216.59, 91.190.216.62, 91.190.216.63, 91.190.216.66 91.90.218.52, 91.90.218.53, 91.90.218.54, 91.90.218.55, 91.90.218.56, 91.90.218.58, 91.90.218.59, 91.90.218.66 rstwh.skype-cr.akadns.net, 1007.0.1.3.9.rst15.r.skype.net
CloudFlare, Inc. 108.162.232.204, 108.162.232.199 ocsp.globalsign.com, ocsp2.globalsign.com
Microsoft Corp. 168.63.212.78, 137.116.32.77 skypeecs-prod-ase-0.cloudapp.net, a.config.skype.trafficmanager.net
EdgeCast Networks, Inc. 192.229.145.200 cs1.wpc.v0cdn.net, az361816.vo.msecnd.net, certrevoc.vo.msecnd.net, mscrl.microsoft.com