O problema está na central da Boavista só pode... Latências altissimas, estou com 22ms para Lisboa (normalmente tenho 10ms)...
Olha aqui, trafego que sai Porto para Internacional:
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Host Loss% Snt Last
1. meo.home 0.0% 19 1.2
2.
10.210.0.1 77.8% 19 7.5
3. telepac16-hsi.cprm.net 66.7% 19 5.5
4. dvs-cr1-bu10-200.cprm.net 0.0% 19
5. 195.8.0.166 0.0% 19 18.1
6. 195.8.0.166 0.0% 19 17.4
7. hu0-3-0-0.rcr21.lis01.atlas.coge 0.0% 19 9.9
8. be2498.rcr21.opo01.atlas.cogentc 0.0% 19 10.9
9. be2314.ccr32.bio02.atlas.cogentc 0.0% 18 24.3
10. be2290.ccr52.bio02.atlas.cogentc 0.0% 18 23.6
11. be3358.ccr32.mad05.atlas.cogentc 0.0% 18 28.8
12.
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13.
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14.
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15. 213.242.113.94 0.0% 18 30.4ms
O que passa por Lisboa:
Host Loss% Snt Last Avg Best Wrst StDev
1. meo.home 0.0% 5 1.2
2.
10.210.0.1 50.0% 5 2.9
3.
telepac16-hsi.cprm.net 25.0% 5 5.9
4. dvs-cr1-bu10-200.cprm.net 0.0% 5 8.3
5. lon1-cr1-be2.cprm.net 0.0% 4 48.7
6. ge-3-22-0-cr1.thn.as9153.net 0.0% 4 46.1
7. po-3-0-701.cr0.sov.as9153.net 0.0% 4 46.7
8. sp1.burstfire.net 0.0% 4 48.3ms
Aqui está o problema... é entre Porto e Lisboa...