Already logged in SAL, reported to ops@ and #wikimedia-tech including RelEng and socialmedia, tweeted as @WikimediaItalia (I'm not sure it's a good idea to suggest editing host file).
$ mtr -w -c 100 bits.wikimedia.org Start: Tue Nov 25 21:52:06 2014 HOST: e350 Loss% Snt Last Avg Best Wrst StDev 1.|-- 192.168.1.254 0.0% 100 1.4 2.0 1.2 7.7 1.2 2.|-- 10.57.94.195 2.0% 100 41.3 68.8 8.2 100.3 15.3 3.|-- 10.251.136.89 70.0% 100 71.8 68.5 24.9 99.4 14.6 4.|-- 10.251.132.44 2.0% 100 57.9 68.7 39.8 98.4 12.8 5.|-- 10.251.133.1 62.0% 100 42.0 63.4 27.3 87.6 14.4 6.|-- 10.251.137.186 2.0% 100 55.5 65.9 37.1 93.3 13.4 7.|-- 10.0.56.9 2.0% 100 61.0 65.7 31.5 99.6 13.7 8.|-- 10.0.1.106 1.0% 100 57.0 64.6 31.7 116.1 16.1 9.|-- 10.254.11.21 2.0% 100 54.6 63.3 34.8 99.5 14.7 10.|-- 10.254.9.145 0.0% 100 66.8 70.2 25.8 238.5 27.6 11.|-- 93-63-100-113.ip27.fastwebnet.it 3.0% 100 79.1 62.9 32.0 104.9 17.6 12.|-- 62-101-124-74.fastres.net 1.0% 100 171.3 164.0 20.4 208.9 26.6 13.|-- 89.96.200.18 2.0% 100 173.4 163.8 124.9 228.5 17.1 14.|-- r1fra1.core.init7.net 1.0% 100 224.6 202.2 148.7 267.4 17.7 15.|-- ??? 100.0 100 0.0 0.0 0.0 0.0 0.0