High Latencey starting at 8pm Eastern

starting at around 8pm eastern time US, i begin to have extremely high latency to the point that the game becomes unplayable. this usually ends around midnight. This has been going on for a month now and i’ve contacted my isp and they cannot find any issues on their end of things. i cant even load up the customer support webpage or anything to do with blizzard during these times, however everything else loads just fine and loads almost instantly.

TRACEROUTE:
traceroute to 76.77.167.147 (76.77.167.147), 15 hops max, 60 byte packets
1 Blizzard Blizzard 0.320 ms 0.316 ms 1.097 ms
2 24.105.18.130 (24.105.18.130) 1.101 ms 1.102 ms 1.125 ms
3 137.221.105.10 (137.221.105.10) 1.129 ms 1.132 ms 1.135 ms
4 137.221.66.20 (137.221.66.20) 1.002 ms 1.026 ms 1.048 ms
5 137.221.83.84 (137.221.83.84) 462.987 ms 462.993 ms 462.995 ms
6 * * *
7 137.221.65.12 (137.221.65.12) 56.644 ms 56.666 ms 56.667 ms
8 137.221.72.32 (137.221.72.32) 82.426 ms 81.916 ms 81.899 ms
9 * * *
10 bvu-66-171-83-005.bvu .net (66.171.83.5) 64.624 ms 64.641 ms 64.644 ms
11 bvu-66-171-83-030.bvu .net (66.171.83.30) 64.887 ms * 64.716 ms
12 fttb-84-211.bvunet .net (216.184.84.211) 67.831 ms 67.850 ms 68.094 ms
13 * * *
14 * * *
15 fttu-76-77-167-147.bvunet .net (76.77.167.147) 72.171 ms 72.242 ms 72.384 ms

22/10/2021 01:57:53 UTC

TRACEROUTE:
traceroute to 76.77.167.147 (76.77.167.147), 15 hops max, 60 byte packets
1 Blizzard Blizzard 1.506 ms 1.480 ms 1.475 ms
2 24.105.18.130 (24.105.18.130) 1.472 ms 1.469 ms 1.468 ms
3 137.221.105.10 (137.221.105.10) 2.446 ms 2.462 ms 2.479 ms
4 137.221.66.20 (137.221.66.20) 1.340 ms 1.358 ms 1.358 ms
5 137.221.83.84 (137.221.83.84) 327.953 ms 564.133 ms 564.162 ms
6 * * *
7 137.221.65.12 (137.221.65.12) 56.675 ms 56.318 ms 56.313 ms
8 137.221.72.32 (137.221.72.32) 56.305 ms 56.143 ms 56.421 ms
9 * * *
10 bvu-66-171-83-005.bvu .net (66.171.83.5) 64.995 ms 64.993 ms *
11 bvu-66-171-83-030.bvu .net (66.171.83.30) 64.794 ms * 64.722 ms
12 fttb-84-211.bvunet .net (216.184.84.211) 68.298 ms 67.945 ms 68.347 ms
13 * * *
14 * * *
15 fttu-76-77-167-147.bvunet .net (76.77.167.147) 72.906 ms 72.897 ms 72.430 ms

22/10/2021 01:57:53 UTC

PING:
PING 76.77.167.147 (76.77.167.147) 56(84) bytes of data.
64 bytes from 76.77.167.147: icmp_seq=1 ttl=48 time=72.7 ms
64 bytes from 76.77.167.147: icmp_seq=2 ttl=48 time=72.6 ms
64 bytes from 76.77.167.147: icmp_seq=3 ttl=48 time=68.7 ms
64 bytes from 76.77.167.147: icmp_seq=4 ttl=48 time=70.3 ms

— 76.77.167.147 ping statistics —
4 packets transmitted, 4 received, 0% packet loss, time 2998ms
rtt min/avg/max/mdev = 68.731/71.121/72.750/1.678 ms

22/10/2021 01:57:53 UTC

PING:
PING 76.77.167.147 (76.77.167.147) 56(84) bytes of data.
64 bytes from 76.77.167.147: icmp_seq=1 ttl=48 time=70.8 ms
64 bytes from 76.77.167.147: icmp_seq=2 ttl=48 time=70.0 ms
64 bytes from 76.77.167.147: icmp_seq=3 ttl=48 time=68.6 ms
64 bytes from 76.77.167.147: icmp_seq=4 ttl=48 time=72.1 ms

— 76.77.167.147 ping statistics —
4 packets transmitted, 4 received, 0% packet loss, time 2999ms
rtt min/avg/max/mdev = 68.641/70.423/72.170/1.288 ms

22/10/2021 01:57:53 UTC

TRACEROUTE:
traceroute to 76.77.167.147 (76.77.167.147), 15 hops max, 60 byte packets
1 Blizzard Blizzard 0.376 ms 0.378 ms 0.380 ms
2 24.105.18.130 (24.105.18.130) 1.230 ms 1.252 ms 1.254 ms
3 137.221.105.10 (137.221.105.10) 1.255 ms 1.257 ms 1.259 ms
4 137.221.66.20 (137.221.66.20) 0.438 ms 0.463 ms 0.466 ms
5 137.221.83.84 (137.221.83.84) 839.751 ms 839.774 ms 839.779 ms
6 * * *
7 137.221.65.12 (137.221.65.12) 254.957 ms 254.980 ms 254.981 ms
8 137.221.72.32 (137.221.72.32) 56.026 ms 56.133 ms 56.503 ms
9 * * *
10 bvu-66-171-83-005.bvu .net (66.171.83.5) 67.667 ms 64.815 ms 64.890 ms
11 * * *
12 * * fttb-84-211.bvunet .net (216.184.84.211) 68.393 ms
13 * * *
14 * * *
15 fttu-76-77-167-147.bvunet .net (76.77.167.147) 68.789 ms 68.806 ms 68.894 ms

22/10/2021 01:57:56 UTC

PING:
PING 76.77.167.147 (76.77.167.147) 56(84) bytes of data.
64 bytes from 76.77.167.147: icmp_seq=1 ttl=48 time=72.4 ms
64 bytes from 76.77.167.147: icmp_seq=2 ttl=48 time=69.9 ms
64 bytes from 76.77.167.147: icmp_seq=4 ttl=48 time=70.4 ms

— 76.77.167.147 ping statistics —
4 packets transmitted, 3 received, 25% packet loss, time 3000ms
rtt min/avg/max/mdev = 69.941/70.945/72.403/1.098 ms

22/10/2021 01:57:57 UTC

PING:
PING 76.77.167.147 (76.77.167.147) 56(84) bytes of data.
64 bytes from 76.77.167.147: icmp_seq=1 ttl=49 time=32.1 ms
64 bytes from 76.77.167.147: icmp_seq=2 ttl=49 time=32.4 ms
64 bytes from 76.77.167.147: icmp_seq=3 ttl=49 time=35.5 ms

— 76.77.167.147 ping statistics —
4 packets transmitted, 3 received, 25% packet loss, time 2999ms
rtt min/avg/max/mdev = 32.108/33.356/35.560/1.563 ms

22/10/2021 01:58:01 UTC

TRACEROUTE:
traceroute to 76.77.167.147 (76.77.167.147), 15 hops max, 60 byte packets
1 Blizzard Blizzard 0.354 ms 0.339 ms 0.339 ms
2 37.244.23.3 (37.244.23.3) 0.542 ms 0.633 ms 0.724 ms
3 24.105.62.148 (24.105.62.148) 0.839 ms 0.951 ms 0.968 ms
4 137.221.66.8 (137.221.66.8) 1.207 ms 1.227 ms 1.227 ms
5 * * *
6 137.221.65.12 (137.221.65.12) 19.332 ms 19.424 ms 19.386 ms
7 137.221.72.32 (137.221.72.32) 19.830 ms 20.021 ms 20.479 ms
8 * * *
9 bvu-66-171-83-005.bvu .net (66.171.83.5) 28.498 ms 28.513 ms 28.484 ms
10 * * *
11 fttb-84-211.bvunet .net (216.184.84.211) 33.428 ms 33.607 ms 33.883 ms
12 * * *
13 * * *
14 fttu-76-77-167-147.bvunet .net (76.77.167.147) 33.236 ms 33.075 ms *

22/10/2021 01:58:00 UTC

MTR:
Start: Fri Oct 22 01:57:53 2021 Blizzard 1.|-- Blizzard 0.0% 10 0.3 0.3 0.3 0.8 0.0
2.|-- 24.105.18.130 0.0% 10 0.8 0.7 0.5 1.0 0.0
3.|-- 137.221.105.10 0.0% 10 0.7 0.8 0.7 1.0 0.0
4.|-- 137.221.66.20 0.0% 10 0.5 6.7 0.4 53.5 16.6
5.|-- 137.221.83.84 0.0% 10 319.3 551.4 85.6 1185. 350.1
6.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
7.|-- 137.221.65.12 0.0% 10 57.0 72.6 55.8 156.6 35.8
8.|-- 137.221.72.32 0.0% 10 56.2 58.7 56.1 78.1 6.8
9.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
10.|-- bvu-66-171-83-005.bvu .net 0.0% 10 65.0 65.5 64.6 69.5 1.4
11.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
12.|-- fttb-84-211.bvunet .net 0.0% 10 68.2 82.8 68.2 200.8 41.5
13.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
14.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
15.|-- fttu-76-77-167-147.bvunet .net 30.0% 10 68.8 69.5 68.2 72.2 1.2

22/10/2021 01:57:53 UTC

MTR:
Start: Fri Oct 22 01:57:53 2021 Blizzard 1.|-- Blizzard 0.0% 10 0.3 0.3 0.2 0.4 0.0
2.|-- 24.105.18.130 0.0% 10 0.6 0.6 0.5 0.7 0.0
3.|-- 137.221.105.10 0.0% 10 0.8 1.1 0.6 3.5 0.6
4.|-- 137.221.66.20 0.0% 10 0.4 1.6 0.4 11.4 3.3
5.|-- 137.221.83.84 0.0% 10 119.0 412.8 105.1 985.3 316.5
6.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
7.|-- 137.221.65.12 0.0% 10 76.2 75.2 55.9 164.1 37.3
8.|-- 137.221.72.32 0.0% 10 56.2 65.4 56.1 107.8 17.7
9.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
10.|-- bvu-66-171-83-005.bvu .net 30.0% 10 64.7 81.5 64.6 179.7 43.3
11.|-- bvu-66-171-83-030.bvu .net 90.0% 10 64.9 64.9 64.9 64.9 0.0
12.|-- fttb-84-211.bvunet .net 30.0% 10 71.9 79.7 67.9 143.6 28.2
13.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
14.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
15.|-- fttu-76-77-167-147.bvunet .net 30.0% 10 68.7 69.6 68.7 71.4 0.6

22/10/2021 01:57:53 UTC

TRACEROUTE:
traceroute to 76.77.167.147 (76.77.167.147), 15 hops max, 60 byte packets
1 Blizzard Blizzard 0.301 ms 0.318 ms 0.318 ms
2 37.244.23.3 (37.244.23.3) 0.905 ms 0.925 ms 0.925 ms
3 24.105.62.148 (24.105.62.148) 0.926 ms 0.928 ms 0.928 ms
4 137.221.66.8 (137.221.66.8) 1.343 ms 1.361 ms 1.362 ms
5 * * *
6 137.221.65.12 (137.221.65.12) 19.319 ms 19.613 ms 19.631 ms
7 137.221.72.32 (137.221.72.32) 19.979 ms 20.076 ms 20.096 ms
8 * * *
9 * bvu-66-171-83-005.bvu .net (66.171.83.5) 142.806 ms 142.809 ms
10 * * *
11 * fttb-84-211.bvunet .net (216.184.84.211) 34.402 ms *
12 * * *
13 * * *
14 fttu-76-77-167-147.bvunet .net (76.77.167.147) 34.045 ms 34.360 ms 34.408 ms

22/10/2021 01:58:06 UTC

MTR:
Start: Fri Oct 22 01:57:56 2021 Blizzard 1.|-- Blizzard 0.0% 10 0.2 0.3 0.2 0.5 0.0
2.|-- 24.105.18.130 0.0% 10 1.3 0.7 0.5 1.3 0.0
3.|-- 137.221.105.10 0.0% 10 1.0 1.0 0.7 1.4 0.0
4.|-- 137.221.66.20 0.0% 10 0.5 5.1 0.5 45.7 14.3
5.|-- 137.221.83.84 0.0% 10 257.2 520.6 88.7 1388. 383.5
6.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
7.|-- 137.221.65.12 0.0% 10 86.9 107.8 55.9 259.1 75.6
8.|-- 137.221.72.32 0.0% 10 57.7 60.3 55.9 97.1 12.9
9.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
10.|-- bvu-66-171-83-005.bvu .net 0.0% 10 64.8 71.2 64.7 128.7 20.2
11.|-- bvu-66-171-83-030.bvu .net 80.0% 10 65.0 64.9 64.8 65.0 0.0
12.|-- fttb-84-211.bvunet .net 30.0% 10 70.5 77.2 68.1 121.8 19.7
13.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
14.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
15.|-- fttu-76-77-167-147.bvunet .net 30.0% 10 68.8 71.0 68.8 72.9 1.6

22/10/2021 01:57:56 UTC

MTR:
Start: Fri Oct 22 01:57:57 2021 Blizzard 1.|-- Blizzard 0.0% 10 0.3 0.3 0.2 0.4 0.0
2.|-- 37.244.23.3 0.0% 10 2.6 0.8 0.5 2.6 0.6
3.|-- 24.105.62.148 0.0% 10 0.9 0.9 0.8 1.1 0.0
4.|-- 137.221.66.8 0.0% 10 1.3 14.4 1.0 72.0 28.0
5.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
6.|-- 137.221.65.12 0.0% 10 101.7 54.3 19.3 231.7 67.6
7.|-- 137.221.72.32 0.0% 10 20.0 25.1 19.9 55.3 11.1
8.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
9.|-- bvu-66-171-83-005.bvu .net 30.0% 10 28.8 29.2 28.4 32.7 1.4
10.|-- bvu-66-171-83-030.bvu .net 80.0% 10 28.7 29.2 28.7 29.8 0.0
11.|-- fttb-84-211.bvunet .net 40.0% 10 32.0 34.6 32.0 40.3 3.1
12.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
13.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
14.|-- fttu-76-77-167-147.bvunet .net 30.0% 10 32.5 33.7 32.5 36.0 1.1

22/10/2021 01:57:57 UTC

PING:
PING 76.77.167.147 (76.77.167.147) 56(84) bytes of data.
64 bytes from 76.77.167.147: icmp_seq=1 ttl=49 time=32.5 ms
64 bytes from 76.77.167.147: icmp_seq=2 ttl=49 time=36.9 ms
64 bytes from 76.77.167.147: icmp_seq=4 ttl=49 time=32.6 ms

— 76.77.167.147 ping statistics —
4 packets transmitted, 3 received, 25% packet loss, time 2998ms
rtt min/avg/max/mdev = 32.571/34.025/36.906/2.047 ms

22/10/2021 01:58:09 UTC

TRACEROUTE:
traceroute to 76.77.167.147 (76.77.167.147), 15 hops max, 60 byte packets
1 Blizzard Blizzard 0.316 ms 0.322 ms 0.325 ms
2 37.244.23.3 (37.244.23.3) 0.535 ms 0.781 ms 0.807 ms
3 24.105.62.148 (24.105.62.148) 0.972 ms 0.995 ms 1.002 ms
4 137.221.66.8 (137.221.66.8) 1.203 ms 1.226 ms 1.229 ms
5 * * *
6 137.221.65.12 (137.221.65.12) 22.795 ms 39.480 ms 39.492 ms
7 137.221.72.32 (137.221.72.32) 20.041 ms 20.088 ms 20.076 ms
8 * * *
9 bvu-66-171-83-005.bvu .net (66.171.83.5) 28.659 ms 28.788 ms 28.813 ms
10 * * *
11 fttb-84-211.bvunet .net (216.184.84.211) 32.783 ms * 32.495 ms
12 * * *
13 * * *
14 fttu-76-77-167-147.bvunet .net (76.77.167.147) 34.068 ms 34.171 ms 34.261 ms

22/10/2021 01:58:12 UTC

PING:
PING 76.77.167.147 (76.77.167.147) 56(84) bytes of data.
64 bytes from 76.77.167.147: icmp_seq=1 ttl=49 time=32.8 ms
64 bytes from 76.77.167.147: icmp_seq=2 ttl=49 time=34.1 ms
64 bytes from 76.77.167.147: icmp_seq=3 ttl=49 time=35.7 ms
64 bytes from 76.77.167.147: icmp_seq=4 ttl=49 time=34.0 ms

— 76.77.167.147 ping statistics —
4 packets transmitted, 4 received, 0% packet loss, time 2998ms
rtt min/avg/max/mdev = 32.861/34.197/35.709/1.010 ms

22/10/2021 01:58:11 UTC

MTR:
Start: Fri Oct 22 01:58:05 2021 Blizzard 1.|-- Blizzard 0.0% 10 0.3 0.3 0.3 0.4 0.0
2.|-- 37.244.23.3 0.0% 10 0.6 0.7 0.5 1.0 0.0
3.|-- 24.105.62.148 0.0% 10 1.0 1.0 0.8 1.2 0.0
4.|-- 137.221.66.8 0.0% 10 1.2 1.2 1.0 1.5 0.0
5.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
6.|-- 137.221.65.12 0.0% 10 19.4 44.8 19.3 158.6 46.8
7.|-- 137.221.72.32 0.0% 10 19.9 20.2 19.9 21.6 0.5
8.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
9.|-- bvu-66-171-83-005.bvu .net 10.0% 10 28.6 30.6 28.5 45.6 5.6
10.|-- bvu-66-171-83-030.bvu .net 90.0% 10 28.6 28.6 28.6 28.6 0.0
11.|-- fttb-84-211.bvunet .net 20.0% 10 34.0 46.6 32.0 132.1 34.6
12.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
13.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
14.|-- fttu-76-77-167-147. bvunet .net 0.0% 10 33.7 33.5 31.8 35.1 1.2

22/10/2021 01:58:05 UTC

MTR:
Start: Fri Oct 22 01:58:10 2021 Blizzard 1.|-- Blizzard 0.0% 10 0.3 0.3 0.2 0.6 0.0
2.|-- 37.244.23.3 0.0% 10 0.6 0.6 0.4 0.7 0.0
3.|-- 24.105.62.148 0.0% 10 0.9 1.0 0.8 1.3 0.0
4.|-- 137.221.66.8 0.0% 10 1.0 15.6 1.0 95.5 32.0
5.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
6.|-- 137.221.65.12 0.0% 10 19.4 24.2 19.3 47.7 10.4
7.|-- 137.221.72.32 0.0% 10 19.9 26.5 19.9 80.5 19.0
8.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
9.|-- bvu-66-171-83-005.b vu .net 10.0% 10 136.2 57.6 28.5 136.2 36.6
10.|-- bvu-66-171-83-030.b vu .net 80.0% 10 28.9 28.7 28.6 28.9 0.0
11.|-- fttb-84-211. bvunet .net 20.0% 10 34.7 33.8 32.5 35.5 1.1
12.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
13.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
14.|-- fttu-76-77-167-147. bvunet .net 30.0% 10 39.7 34.2 31.9 39.7 2.4

22/10/2021 01:58:09 UTC

Latency that starts at a particular time of day is related to ISP network congestion. You’d want to use a WinMTR to fully verify that.

Whatever it was that was causing this issue seems to be fixed for the time being. As of 10/27/2021 I’ve not had this issue and am once again able to do the things I normally do.

I’ll echo what Elocin said - if high latency starts and ends at a fairly regular time, it’s almost always due to an ISP issue.

Looking at your traceroutes, hop 5 shows an enormous latency spike. Maybe it’s not your ISP directly, but someone further down the line is definitely having issues, or is throttling or implementing some QoS that has a drastically negative impact on your connection to Blizzard’s servers. If that’s the case, you would want to report it to your ISP (include traceroutes), so they can report it to whoever is upstream of them that’s having issues.

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