Cannot access verizonwireless.com website from Business Comcast

We cannot access the www.verizonwireless.com website through our Business Comcast internet at our office.  I can connect to it just fine from my home computer on a different provider and from my cell phone on AT&T's network.  Below is the tracert that I get:

H:\>tracert www.verizonwireless.com

Tracing route to www.verizonwireless.com [162.115.18.200]
over a maximum of 30 hops:

  1    26 ms    28 ms    17 ms  192.168.0.254
  2    18 ms    11 ms     6 ms  173-15-20-214-illinois.hfc.comcastbusiness.net [173.15.20.214]
  3    11 ms    32 ms    21 ms  96.120.112.121
  4    26 ms    33 ms    18 ms  te-0-7-0-5-sur01.bloomington.in.indiana.comcast.net [68.85.208.213]
  5    18 ms    21 ms    41 ms  te-0-8-0-9-ar01.indianapolis.in.indiana.comcast.net [69.139.185.149]
  6    89 ms   105 ms   102 ms  he-1-15-0-0-ar01.area4.il.chicago.comcast.net [68.87.230.9]
  7    72 ms    71 ms     *     be-33491-cr02.350ecermak.il.ibone.comcast.net [68.86.91.165]
  8    74 ms    61 ms   110 ms  be-10506-cr01.350ecermak.il.ibone.comcast.net [68.86.86.230]
  9    39 ms    48 ms    26 ms  he-0-10-0-0-pe04.350ecermak.il.ibone.comcast.net [68.86.83.50]
 10    62 ms    51 ms    65 ms  173.167.58.138
 11     *        *        *     Request timed out.
 12    73 ms    74 ms    75 ms  gigabitethernet7-0-0.gw10.sac1.alter.net [152.63.48.101]
 13     *        *        *     Request timed out.
 14     *        *        *     Request timed out.
 15     *        *        *     Request timed out.
 16     *        *        *     Request timed out.
 17     *        *        *     Request timed out.
 18     *        *        *     Request timed out.
 19     *        *        *     Request timed out.
 20     *        *        *     Request timed out.
 21     *        *        *     Request timed out.
 22     *        *        *     Request timed out.
 23     *        *        *     Request timed out.
 24     *        *        *     Request timed out.
 25     *        *        *     Request timed out.
 26     *        *        *     Request timed out.
 27     *        *        *     Request timed out.
 28     *        *        *     Request timed out.
 29     *        *        *     Request timed out.
 30     *        *        *     Request timed out.

Trace complete.