Woah, 1000ms is far too high.
Are you able to complete a few traceroutes to servers you're seeing issues with?
Tonight it jumped to 1248ms. lowest it went was 691
Tracert from afrigreen
Tracing route to 213-155-155-233.customer.teliacarrier.com [213.155.155.233]
over a maximum of 30 hops:
1 <1 ms <1 ms <1 ms 10.0.0.200
2 * * * Request timed out.
3 12 ms 12 ms 12 ms 41.170.79.229
4 9 ms 8 ms 8 ms 41.170.79.230
5 8 ms 7 ms 8 ms 41.170.79.236
6 9 ms 9 ms 8 ms 41.160.2.33
7 9 ms 8 ms 8 ms ix-0-3-0-0.tcore1.JSO-Johannesburg.as6453.net [216.6.55.37]
8 209 ms 245 ms 216 ms if-4-2.tcore1.KLT-Cape-Town.as6453.net [41.206.178.2]
9 279 ms 161 ms 161 ms if-1-0-0-3.core2.PV9-Lisbon.as6453.net [195.219.214.34]
10 212 ms 215 ms 213 ms if-0-0-0-2000.tcore1.PV9-Lisbon.as6453.net [80.231.158.1]
11 187 ms 216 ms 185 ms if-1-3.tcore1.SV8-Highbridge.as6453.net [80.231.158.30]
12 188 ms 188 ms 190 ms if-19-2.tcore2.L78-London.as6453.net [80.231.138.22]
13 199 ms 208 ms 211 ms if-15-2.tcore2.LDN-London.as6453.net [80.231.131.118]
14 184 ms 184 ms 186 ms ldn-b5-link.telia.net [62.115.9.173]
15 188 ms 205 ms 188 ms ldn-bb2-link.telia.net [213.155.132.196]
16 188 ms 188 ms 187 ms adm-bb4-link.telia.net [213.155.136.87]
17 193 ms 188 ms 193 ms adm-b2-link.telia.net [62.115.141.9]
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.
Tracert Afrihost normal
Tracing route to 213-155-155-233.customer.teliacarrier.com [213.155.155.233]
over a maximum of 30 hops:
1 <1 ms <1 ms <1 ms 10.0.0.200
2 * * * Request timed out.
3 50 ms 98 ms 8 ms 41.181.178.18
4 17 ms 9 ms 13 ms ipc-recieve-jh-2a.za.mtnbusiness.net [41.181.178.17]
5 18 ms 18 ms 14 ms qux-jh-dca-2.za-b.za.mtnbusiness.net [41.181.165.115]
6 27 ms 26 ms 26 ms jh-dca-2.za--qux-q.za.mtnbusiness.net [196.31.180.4]
7 178 ms 177 ms 173 ms 41.181.180.10
8 75 ms 76 ms 84 ms el-mse-2.za--pe-cr-1.za.mtnns.net [196.44.31.67]
9 186 ms 230 ms 198 ms 196.44.29.53
10 173 ms 237 ms 173 ms caxtn-indust-1--jp-ad-1-a.mtnns.net [209.212.98.30]
11 201 ms 198 ms 200 ms 212.187.195.161
12 201 ms 195 ms 187 ms ae-123-3509.edge5.London1.Level3.net [4.69.166.33]
13 193 ms 191 ms 199 ms ae-123-3509.edge5.London1.Level3.net [4.69.166.33]
14 211 ms 209 ms 211 ms ldn-b5-link.telia.net [213.248.96.37]
15 194 ms 200 ms 197 ms ldn-bb2-link.telia.net [62.115.114.176]
16 203 ms 220 ms 204 ms adm-bb4-link.telia.net [213.155.136.83]
17 205 ms 206 ms 182 ms adm-b2-link.telia.net [213.155.137.177]
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.
Tracert Mweb 1 Gig account
Tracing route to 213-155-155-233.customer.teliacarrier.com [213.155.155.233]
over a maximum of 30 hops:
1 * * * Request timed out.
2 8 ms 8 ms 8 ms 197-80-96-161.jhb.mweb.co.za [197.80.96.161]
3 7 ms 7 ms 7 ms 197-80-96-162.jhb.mweb.co.za [197.80.96.162]
4 26 ms 7 ms 7 ms vl92.vic-hscore-2.optinet.net [197.80.2.2]
5 193 ms 195 ms 191 ms 12.te0-7-0-2.vic-p-2.optinet.net [197.80.5.242]
6 189 ms 187 ms 187 ms s1-po0-3-2-0.thd-p-1.optinet.net [197.80.5.9]
7 192 ms 194 ms 191 ms be-3-779-thd-up-1.optinet.net [176.67.177.227]
8 190 ms 198 ms 237 ms ldn-b5-link.telia.net [62.115.13.13]
9 209 ms 233 ms 184 ms ldn-bb2-link.telia.net [80.91.246.114]
10 203 ms 188 ms 207 ms adm-bb4-link.telia.net [62.115.136.194]
11 190 ms 196 ms 189 ms adm-b2-link.telia.net [62.115.141.23]
12 * * * Request timed out.
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.