Having desyncs lately from realm server and WinMTR indicates the problem is with Blizzard servers:
02/05/2022 13:28:36 UTC
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MTR:
Start: Mon May 2 13:28:28 2022 Blizzard
1.|-- Blizzard 0.0% 10 0.3 0.7 0.3 4.6 1.2
2.|-- 37.244.24.131 50.0% 10 292.3 296.7 284.2 314.2 12.7
3.|-- Blizzard 0.0% 10 1.2 0.9 0.8 1.2 0.0
4.|-- 137.221.66.44 0.0% 10 0.8 0.5 0.4 0.8 0.0
5.|-- 137.221.78.66 0.0% 10 1117. 852.6 319.7 1400. 436.3
6.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
7.|-- 137.221.78.34 0.0% 10 9.8 5.9 1.1 38.9 11.9
8.|-- amsix.xcr1.att.cw.net 0.0% 10 1.3 1.2 1.1 1.6 0.0
9.|-- ae0-xcr1.adr.cw.net 0.0% 10 41.9 41.5 40.6 42.4 0.3
10.|-- ae21-xcr1.ptl.cw.net 0.0% 10 10.1 10.5 10.0 12.3 0.6
11.|-- ae8-ucr1.lis.cw.net 0.0% 10 40.4 40.5 40.1 42.0 0.3
12.|-- vfportugal-gw.lis.cw.net 0.0% 10 40.4 40.5 40.3 40.6 0.0
13.|-- 73.50.174.83.rev.vodafone.pt 0.0% 10 40.5 40.6 40.4 40.7 0.0
14.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
02/05/2022 13:28:28 UTC
--------------------
MTR:
Start: Mon May 2 13:28:28 2022 Blizzard
1.|-- Blizzard 0.0% 10 0.4 0.3 0.3 0.5 0.0
2.|-- 37.244.24.131 50.0% 10 292.3 301.5 289.4 314.0 11.3
3.|-- Blizzard 0.0% 10 1.2 1.0 0.5 1.2 0.0
4.|-- 137.221.66.44 0.0% 10 0.7 0.5 0.4 0.8 0.0
5.|-- 137.221.78.66 0.0% 10 1117. 874.9 108.7 1400. 449.7
6.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
7.|-- 137.221.78.34 0.0% 10 18.9 7.1 1.1 39.0 12.5
8.|-- amsix.xcr1.att.cw.net 0.0% 10 1.2 1.5 1.1 3.3 0.6
9.|-- ae0-xcr1.adr.cw.net 0.0% 10 41.9 41.3 40.4 41.9 0.0
10.|-- ae21-xcr1.ptl.cw.net 0.0% 10 10.0 10.7 10.0 12.5 0.5
11.|-- ae8-ucr1.lis.cw.net 0.0% 10 40.3 42.1 40.1 51.4 3.9
12.|-- vfportugal-gw.lis.cw.net 0.0% 10 40.3 43.8 40.3 73.9 10.6
13.|-- 73.50.174.83.rev.vodafone.pt 0.0% 10 40.5 40.6 40.4 41.2 0.0
14.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0