How do I report a level 3 internet issue

Having issues with my website I am told this is the problem and comcastshould be able to fix it

Traceroute has started…

traceroute to 166.62.38.30 (166.62.38.30), 64 hops max, 72 byte packets
031 ms
 5  be-98-ar03.plainfield.nj.panjde.comcast.net (68.85.35.37)  14.292 ms  15.041 ms  13.721 ms
 6  ae10.edge2.newark1.level3.net (4.68.71.125)  14.581 ms  15.667 ms  15.762 ms
 7  * * *
 8  4.28.83.74 (4.28.83.74)  76.684 ms  75.199 ms  74.152 ms
 9  ip-148-72-32-11.ip.secureserver.net (148.72.32.11)  75.045 ms  85.691 ms  82.101 ms
10  be39.trmc0215-01.ars.mgmt.phx3.gdg (184.168.0.73)  74.791 ms  84.256 ms  74.958 ms
11  ip-208-109-112-121.ip.secureserver.net (208.109.112.121)  73.972 ms  272.730 ms  74.395 ms
12  ip-166-62-38-30.ip.secureserver.net (166.62.38.30)  94.269 ms  76.164 ms  73.933 ms