It looks like were back to having troubles reaching grepolis.com
I've tried from sprint, AT&T, Verizon and my ISP's cable network, no dice. Trace routes make it, more or less.
tnwx-cmts-1#traceroute 212.53.139.81
Type escape sequence to abort.
Tracing the route to en.grepolis.com (212.53.139.81)
1 tnwx-core-1.rainierconnect.com (69.10.208.1) 0 msec 0 msec 0 msec
2 69-10-222-194.rainierconnect.com (69.10.222.194) 0 msec 0 msec 4 msec
3 gi1-16.dr03.tac.opticfusion.net (209.147.113.209) 0 msec 0 msec 4 msec
4 cr01-g2-6.tac.opticfusion.net (209.147.112.17) 0 msec 0 msec 4 msec
5 cr02-t1-1.sea.opticfusion.net (209.147.112.82) 0 msec 4 msec 4 msec
6 ge-6-3.car3.Seattle1.Level3.net (4.71.152.13) 0 msec 4 msec 4 msec
7 ae-32-52.ebr2.Seattle1.Level3.net (4.69.147.182) 4 msec 4 msec 4 msec
8 ae-2-2.ebr2.Denver1.Level3.net (4.69.132.54) 32 msec 28 msec 28 msec
9 ae-3-3.ebr1.Chicago2.Level3.net (4.69.132.62) 56 msec 52 msec 56 msec
10 ae-1-100.ebr2.Chicago2.Level3.net (4.69.132.114) 52 msec 52 msec 56 msec
11 ae-6-6.ebr2.Washington12.Level3.net (4.69.148.145) 68 msec 68 msec 72 msec
12 ae-5-5.ebr2.Washington1.Level3.net (4.69.143.221) 68 msec 72 msec 68 msec
13 ae-41-41.ebr2.Paris1.Level3.net (4.69.137.49) 148 msec
ae-42-42.ebr2.Paris1.Level3.net (4.69.137.53) 148 msec 148 msec
14 ae-46-46.ebr1.Frankfurt1.Level3.net (4.69.143.137) 156 msec
ae-45-45.ebr1.Frankfurt1.Level3.net (4.69.143.133) 156 msec
ae-48-48.ebr1.Frankfurt1.Level3.net (4.69.143.145) 160 msec
15 ae-61-61.csw1.Frankfurt1.Level3.net (4.69.140.2) 172 msec
ae-81-81.csw3.Frankfurt1.Level3.net (4.69.140.10) 156 msec
ae-91-91.csw4.Frankfurt1.Level3.net (4.69.140.14) 160 msec
16 ae-82-82.ebr2.Frankfurt1.Level3.net (4.69.140.25) 156 msec
ae-92-92.ebr2.Frankfurt1.Level3.net (4.69.140.29) 156 msec 156 msec
17 ae-45-45.ebr1.Dusseldorf1.Level3.net (4.69.143.165) 168 msec 168 msec
ae-47-47.ebr1.Dusseldorf1.Level3.net (4.69.143.173) 168 msec
18 ae-4-4.car1.Hamburg1.Level3.net (4.69.133.181) 164 msec 164 msec 164 msec
19 ve402-10gbe-3-2.core5.l3.hh.artfiles.de (62.140.29.66) 180 msec 184 msec 172 msec
20 * * *
21 * * *
22 * * *
23 en.grepolis.com (212.53.139.81) 208 msec * *
UPDATE:
I've heard others state that more than one game server is not functioning properly and that inno is on it