Any idea why my router request times out when doing a tracert?

Tracing route to test.lvcablemodem.com [24.234.2.67]
over a maximum of 30 hops:
1 * * * Request timed out.
2 6 ms 6 ms 7 ms 10.144.0.1
3 7 ms 8 ms 7 ms 68.2.8.213
4 6 ms 7 ms 5 ms 68.2.13.78
5 7 ms 8 ms 7 ms 68.2.13.1
6 7 ms 9 ms 8 ms chnddsrj01-ae1.rd.ph.Cox.net [68.2.14.1]
7 8 ms 7 ms 7 ms chndbbrj02-ge020.rd.ph.Cox.net [68.1.0.168]
8 14 ms 14 ms 15 ms chndbbrc01-pos0200.rd.ph.Cox.net [68.1.0.172]
9 15 ms 14 ms 15 ms nwstdsrj02-ge710.rd.lv.Cox.net [68.1.0.91]
10 16 ms 15 ms 15 ms 24-234-6-5.ptp.lvcm.net [24.234.6.5]
11 14 ms 14 ms 16 ms 24-234-6-98.ptp.lvcm.net [24.234.6.98]
12 16 ms 17 ms 14 ms 24-234-6-134.ptp.lvcm.net [24.234.6.134]
13 15 ms 15 ms 15 ms ns3.lvcm.com [24.234.2.67]
Trace complete.
Tracing route to c-64-94-100-37.la.nuclearfallout.net [64.94.100.37]
over a maximum of 30 hops:
1 * * * Request timed out.
2 9 ms 6 ms 6 ms 10.144.0.1
3 6 ms 7 ms 7 ms 68.2.8.209
4 6 ms 7 ms 9 ms 68.2.13.74
5 8 ms 9 ms 8 ms 68.2.13.1
6 7 ms 7 ms 8 ms chnddsrj02-ae1.rd.ph.Cox.net [68.2.14.13]
7 9 ms 12 ms 16 ms 12.117.164.221
8 35 ms 36 ms 36 ms 12.123.206.26
9 42 ms 38 ms 23 ms 12.122.10.86
10 18 ms 17 ms 19 ms ae-22-52.car2.LosAngeles1.Level3.net [4.68.102.4
5]
11 19 ms 19 ms 19 ms unknown.Level3.net [63.208.234.134]
12 17 ms 16 ms 18 ms border1.po2-bbnet2.ext1.lax.pnap.net [216.52.255
.86]
13 18 ms 15 ms 15 ms ge0-nuclearfall.cust.lax05.mzima.net [216.193.19
2.234]
14 19 ms 15 ms 13 ms c-64-94-100-37.la.nuclearfallout.net [64.94.100.
37]
Trace complete.
REV0LUTI0NIZED
