Firewall Detected Port Scans Originating from Comcast IP 69.138.89.145

Our Firewall detected multiple instances of tcp and updated Port Scans originating from a Comcast IP 69.138.89.145 near/after midnight.  Why would Comcast be running a multiple port scans on our network, after hours?  Firewall notifications are listed below.

12/04/2018 23:52:58 - 83 - Security Services - Alert - 46.161.27.8, 65534, X1 - 69.138.89.145, 4060, X1 - tcp - TCP scanned port list, 4059, 4052, 4057, 4054, 4058, 4056, 4055, 4050, 4053, 4060 - Probable port scan detected

12/04/2018 23:52:57 - 82 - Security Services - Alert - 46.161.27.8, 65534, X1 - 69.138.89.145, 4056, X1 - tcp - TCP scanned port list, 4059, 4052, 4057, 4054, 4058 - Possible port scan detected

12/05/2018 01:01:06 - 82 - Security Services - Alert - 212.129.62.98, 5061, X1 - 69.138.89.145, 1074, X1 - udp - UDP scanned port list, 5160, 1070, 1071, 1072, 1073 - Possible port scan detected.

12/05/2018 01:01:06 - 83 - Security Services - Alert - 212.129.62.98, 5061, X1 - 69.138.89.145, 2060, X1 - udp - UDP scanned port list, 5160, 1070, 1071, 1072, 1073, 1074, 2727, 5059, 8888, 2060 - Probable port scam detected.

12/05/2018 05:39:07 - 82 - Security Services - Alert - 151.101.65.140, 443, X1 - 69.138.89.145, 59110, X1 - tcp - TCP scanned port list, 48063, 7910, 64398, 16871, 45823 - Possible port scan detected