Что-то зарубеж плохо работает. Посмотрите, пожалуйста, Половецкая 14-а. Что происходит?
Потери, например, на Google public DNS около ~50 %.
Вот пинги с моего домашнего роутера:
root@OpenWrt:~# mtr -r -c 40 8.8.8.8
HOST: OpenWrt Loss% Snt Last Avg Best Wrst StDev
1.|-- bayda.skif.com.ua 0.0% 40 1.0 0.9 0.7 1.5 0.2
2.|-- mx-v888.skif.com.ua 0.0% 40 1.1 1.7 0.8 13.9 2.0
3.|-- dtel-ix.topnet.ua 0.0% 40 1.6 1.7 1.0 2.7 0.4
4.|-- 88.81.240.182 2.5% 40 1.7 4.0 1.4 33.7 7.0
5.|-- 209.85.241.54 22.5% 40 2.6 28.3 1.9 162.2 43.0
| `|-- 209.85.249.22
6.|-- 72.14.239.14 52.5% 40 76.5 73.3 54.0 94.3 10.6
| `|-- 209.85.254.112
| |-- 209.85.254.118
7.|-- 209.85.249.162 40.0% 40 98.9 82.8 67.1 98.9 10.6
| `|-- 209.85.250.231
| |-- 209.85.254.134
8.|-- 216.239.46.55 40.0% 40 75.3 83.6 72.0 94.0 6.3
| `|-- 8.8.8.8
9.|-- 209.85.254.112 57.5% 40 81.9 83.5 71.3 92.1 5.5
| `|-- 8.8.8.8
| |-- 209.85.254.118
10.|-- google-public-dns-a.googl 72.5% 40 88.6 85.9 80.2 95.0 4.5
| `|-- 209.85.254.134
| |-- 209.85.249.162
Вот пинг на yahoo.com
root@OpenWrt:~# mtr -r -c 40 yahoo.com
HOST: OpenWrt Loss% Snt Last Avg Best Wrst StDev
1.|-- bayda.skif.com.ua 0.0% 40 1.3 1.0 0.6 1.3 0.1
2.|-- mx-v777.skif.com.ua 52.5% 40 21.6 31.7 21.6 43.3 6.0
3.|-- ae-20G-1714.l9.gw.skif.ne 52.5% 40 36.6 33.0 18.3 69.9 13.7
4.|-- 194.44.212.254 55.0% 40 32.6 44.1 26.4 87.4 15.0
5.|-- ge-1-3-0.pat1.ams.yahoo.c 37.5% 40 67.3 63.5 51.5 98.0 8.7
6.|-- so-3-0-0.pat1.the.yahoo.c 50.0% 40 59.1 72.3 56.7 102.7 10.2
7.|-- UNKNOWN-216-115-96-X.yaho 45.0% 40 151.6 148.3 137.7 165.6 6.7
| `|-- 66.196.65.13
8.|-- ae-1-d190.pat2.dax.yahoo. 37.5% 40 152.2 158.2 140.5 186.9 10.7
| `|-- 216.115.101.157
| |-- 216.115.100.92
| |-- 216.115.104.114
9.|-- ae-6.pat2.dax.yahoo.com 55.0% 40 192.5 208.8 191.4 243.1 12.9
| `|-- 216.115.96.111
| |-- 216.115.100.88
| |-- 216.115.101.155
10.|-- ae-2-d101.msr1.mud.yahoo. 48.7% 39 215.5 213.2 198.4 251.9 16.6
| `|-- 216.115.104.111
| |-- 216.115.104.87
| |-- 216.115.104.105
| |-- 216.115.104.103
| |-- 216.115.104.89
| |-- 216.115.104.109
| |-- 216.115.104.81
11.|-- te-6-1.fab1-a-gdc.mud.yah 33.3% 39 207.9 206.3 192.3 223.6 6.9
| `|-- 209.191.78.149
| |-- 209.191.78.157
| |-- 209.191.78.135
| |-- 209.191.78.139
| |-- 209.191.78.145
| |-- 209.191.78.159
12.|-- te-9-2.bas-c1.mud.yahoo.c 43.6% 39 214.7 205.9 192.3 219.1 7.6
| `|-- 68.142.193.11
13.|-- ir1.fp.vip.mud.yahoo.com 46.2% 39 214.0 210.8 196.8 220.8 6.0
Вот пинг на украиский сайт (все ОК):
root@OpenWrt:~# mtr -r -c 40 meta.ua
HOST: OpenWrt Loss% Snt Last Avg Best Wrst StDev
1.|-- bayda.skif.com.ua 0.0% 40 0.9 1.0 0.6 1.5 0.2
2.|-- mx-v888.skif.com.ua 2.5% 40 1.3 1.5 1.0 2.7 0.3
3.|-- dtel-ix.topnet.ua 0.0% 40 1.6 3.9 1.0 88.2 13.7
4.|-- te6-4.LR02.KBP.K27.topnet 2.5% 40 2.5 7.7 1.3 137.2 26.1
5.|-- meta.ae10-822.lsr02-kiev. 2.5% 40 1.6 1.7 1.3 2.7 0.3
6.|-- meta.ua 0.0% 40 2.3 1.9 1.3 2.6 0.3