Anything that'll give me an idea on where you're seeing the issues come in.
Link tests to where you're streaming from, or even a speedtest and traceroute to start
Microsoft Windows [Version 10.0.10240]
(c) 2015 Microsoft Corporation. All rights reserved.
C:\Users\Anthony-PC>tracert bbc.co.uk
Tracing route to bbc.co.uk [212.58.244.22]
over a maximum of 30 hops:
1 <1 ms <1 ms <1 ms 10.0.0.2
2 * * * Request timed out.
3 * 41 ms 42 ms jhb-up3.ip.adsl.co.za [169.1.5.29]
4 * * * Request timed out.
5 41 ms 41 ms 42 ms jhb-up8b.ip.adsl.co.za [169.1.5.56]
6 42 ms 66 ms 41 ms 169-1-5-194.ip.afrihost.co.za [169.1.5.194]
7 42 ms 41 ms 42 ms 41.169.57.218
8 * * * Request timed out.
9 210 ms 209 ms 228 ms if-ae-2-2.tcore1.JSO-Johannesburg.as6453.net [216.6.55.85]
10 216 ms 220 ms 215 ms if-ae-4-2.tcore1.KLT-Cape-Town.as6453.net [41.206.178.2]
11 183 ms 182 ms 184 ms if-p-6.core2.PV9-Lisbon.as6453.net [41.206.164.6]
12 224 ms 212 ms 212 ms if-xe-0-0-0-2000.tcore1.PV9-Lisbon.as6453.net [80.231.158.1]
13 216 ms 215 ms 218 ms if-ae-1-3.tcore1.SV8-Highbridge.as6453.net [80.231.158.30]
14 205 ms 206 ms 228 ms if-ae-2-2.tcore2.SV8-Highbridge.as6453.net [80.231.139.1]
15 212 ms 212 ms 212 ms if-ae-11-2.tcore1.L78-London.as6453.net [80.231.139.42]
16 216 ms 218 ms 217 ms if-ae-17-2.tcore1.LDN-London.as6453.net [80.231.130.130]
17 211 ms 211 ms 212 ms 195.219.83.102
18 * * * Request timed out.
19 213 ms 213 ms 213 ms unknown.Level3.net [212.187.139.230]
20 * * * Request timed out.
21 217 ms 215 ms 215 ms ae0.er01.telhc.bbc.co.uk [132.185.254.109]
22 211 ms 211 ms 212 ms 132.185.255.148
23 217 ms 216 ms 216 ms 212.58.244.22
Trace complete.