If the problem was to do with ICMP equipment affecting it, then the traces should be consistent.
They are not.
{This trace was from this morning at around 10AM}
Tracing route to
www.avcom.co.za [78.46.9.234]
over a maximum of 30 hops:
1 <1 ms <1 ms <1 ms 192.168.1.1
2 9 ms 9 ms 8 ms dsl-197-245-124-1.voxdsl.co.za [197.245.124.1]
3 * * * Request timed out.
4 8 ms 9 ms 9 ms 41.193.121.10
5 10 ms 10 ms 9 ms 209.203.1.41
6 9 ms 10 ms 10 ms 41.193.120.113
7 177 ms 175 ms 176 ms 196.41.24.174
8 176 ms 176 ms 176 ms xe-10-2-2.edge4.London1.Level3.net [195.50.120.1
3]
9 * * * Request timed out.
10 * * * Request timed out.
11 193 ms 229 ms 192 ms 195.16.162.254
12 190 ms 190 ms 191 ms core11.hetzner.de [213.239.203.137]
13 190 ms 190 ms 190 ms core13.hetzner.de [213.239.203.198]
14 193 ms 192 ms 192 ms ex9k2.rz1.hetzner.de [213.239.203.214]
15 190 ms 190 ms 189 ms dedi354.nur4.host-h.net [78.46.9.234]
===
{I repeated this trace at 1:35PM}
Tracing route to
www.avcom.co.za [78.46.9.234]
over a maximum of 30 hops:
1 <1 ms <1 ms <1 ms 192.168.1.1
2 8 ms 8 ms 9 ms dsl-197-245-124-1.voxdsl.co.za [197.245.124.1]
3 10 ms 10 ms 9 ms 41.193.121.9
4 9 ms 11 ms 9 ms 41.193.121.10
5 9 ms 10 ms 10 ms 209.203.1.41
6 10 ms 10 ms 10 ms 41.193.120.113
7 176 ms 176 ms 176 ms 196.41.24.174
8 176 ms 183 ms 176 ms xe-10-2-2.edge4.London1.Level3.net [195.50.120.1
3]
9 186 ms 185 ms 255 ms ae-1-60.edge7.Frankfurt1.Level3.net [4.69.154.11
]
10 186 ms * 187 ms ae-1-60.edge7.Frankfurt1.Level3.net [4.69.154.11
]
11 191 ms 190 ms 190 ms 195.16.162.254
12 190 ms 190 ms 190 ms core12.hetzner.de [213.239.245.25]
13 193 ms 193 ms 192 ms core13.hetzner.de [213.239.203.202]
14 193 ms 192 ms 192 ms ex9k2.rz1.hetzner.de [213.239.203.214]
15 191 ms 191 ms 190 ms dedi354.nur4.host-h.net [78.46.9.234]
Trace complete.