Hello.
J'ai remarqué que Google et CloudFlare ne passent plus par Cogent depuis quelques temps. Il y a une raison ?
Démonstration:
Google
Cogent Paris:
traceroute to google.com (216.58.201.238), 30 hops max, 60 byte packets
1 gi0-7-0-18.5.agr22.par01.atlas.cogentco.com (130.117.254.73) 0.617 ms 0.675 ms
2 be2097.ccr41.par01.atlas.cogentco.com (130.117.49.78) 1.039 ms be2108.ccr42.par01.atlas.cogentco.com (130.117.50.134) 0.769 ms
3 be3183.ccr31.par04.atlas.cogentco.com (154.54.38.66) 1.202 ms 1.079 ms
4 tata.par04.atlas.cogentco.com (130.117.15.70) 0.751 ms 0.839 ms
5 72.14.212.77 (72.14.212.77) 8.652 ms 8.620 ms
6 108.170.244.225 (108.170.244.225) 9.291 ms 9.254 ms
7 216.239.48.143 (216.239.48.143) 8.653 ms 8.695 ms
8 fra02s18-in-f14.1e100.net (216.58.201.238) 8.730 ms 8.718 ms
Cogent Madrid :
traceroute to google.com (216.58.214.174), 30 hops max, 60 byte packets
1 gi0-0-0-19.219.nr12.b015535-1.mad05.atlas.cogentco.com (130.117.254.65) 2.904 ms 2.892 ms
2 te0-0-0-1.agr12.mad05.atlas.cogentco.com (154.25.6.73) 0.957 ms 0.961 ms
3 be2403.ccr22.mad05.atlas.cogentco.com (130.117.0.69) 0.747 ms be2402.ccr21.mad05.atlas.cogentco.com (130.117.0.65) 0.740 ms
4 be2853.rcr11.b015537-1.mad05.atlas.cogentco.com (154.54.56.62) 1.430 ms 1.647 ms
5 tata.mad05.atlas.cogentco.com (130.117.14.42) 12.003 ms 12.016 ms
6 72.14.213.246 (72.14.213.246) 24.627 ms 25.365 ms
7 72.14.235.20 (72.14.235.20) 24.632 ms 24.705 ms
8 216.239.40.219 (216.239.40.219) 24.735 ms 24.784 ms
9 mad01s26-in-f14.1e100.net (216.58.214.174) 24.539 ms 24.553 ms
Cogent Atlenta:
traceroute to google.com (172.217.3.46), 30 hops max, 60 byte packets 1 gi0-0-1-7.3500.agr22.atl01.atlas.cogentco.com (66.28.3.233) 0.760 ms 0.751 ms
2 te0-18-0-2.ccr42.atl01.atlas.cogentco.com (154.54.47.197) 0.745 ms 0.746 ms
3 be2790.ccr22.atl02.atlas.cogentco.com (154.54.27.166) 0.891 ms be2789.ccr22.atl02.atlas.cogentco.com (154.54.24.250) 0.986 ms
4 154.54.11.6 (154.54.11.6) 0.656 ms 0.671 ms
5 * *
6 google-gw.customer.alter.net (152.179.241.10) 0.695 ms 0.757 ms
7 72.14.239.100 (72.14.239.100) 2.250 ms 1.117 ms
8 72.14.233.119 (72.14.233.119) 13.934 ms 72.14.233.199 (72.14.233.199) 2.507 ms
9 216.239.40.131 (216.239.40.131) 15.793 ms 216.239.40.133 (216.239.40.133) 14.665 ms
10 216.239.48.30 (216.239.48.30) 15.559 ms 14.561 ms
11 216.239.49.180 (216.239.49.180) 14.041 ms 216.239.50.92 (216.239.50.92) 14.566 ms
12 108.170.246.65 (108.170.246.65) 14.616 ms 15.496 ms
13 209.85.246.135 (209.85.246.135) 14.315 ms 209.85.246.159 (209.85.246.159) 15.602 ms
14 iad23s57-in-f46.1e100.net (172.217.3.46) 14.486 ms 14.124 ms
Cogent Dusseldorf :
traceroute to google.com (216.58.201.238), 30 hops max, 60 byte packets 1 gi0-6-0-19.5.rcr21.dus01.atlas.cogentco.com (130.117.254.25) 0.782 ms 0.819 ms
2 be2115.agr21.fra03.atlas.cogentco.com (154.54.37.37) 4.513 ms 4.653 ms
3 be3219.agr41.fra03.atlas.cogentco.com (130.117.49.125) 4.334 ms 4.321 ms
4 cw.fra03.atlas.cogentco.com (130.117.15.142) 4.294 ms 4.187 ms
5 google-de-gw.fix.cw.net (195.89.98.66) 4.198 ms 4.199 ms
6 216.239.58.180 (216.239.58.180) 4.658 ms 4.629 ms
7 216.239.57.184 (216.239.57.184) 39.795 ms 108.170.232.181 (108.170.232.181) 4.752 ms
8 209.85.252.149 (209.85.252.149) 16.608 ms 209.85.253.185 (209.85.253.185) 16.863 ms
9 209.85.142.94 (209.85.142.94) 21.490 ms 209.85.252.246 (209.85.252.246) 16.488 ms
10 108.170.244.225 (108.170.244.225) 16.326 ms 16.478 ms
11 216.239.48.143 (216.239.48.143) 16.279 ms 16.289 ms
12 par10s33-in-f14.1e100.net (216.58.201.238) 16.277 ms 16.410 ms
CloudFlare
Cogent Paris:
traceroute to cloudflare.com (198.41.214.162), 30 hops max, 60 byte packets 1 gi0-7-0-18.5.agr22.par01.atlas.cogentco.com (130.117.254.73) 0.576 ms 0.569 ms
2 be2108.ccr42.par01.atlas.cogentco.com (130.117.50.134) 0.670 ms 0.811 ms
3 be3183.ccr31.par04.atlas.cogentco.com (154.54.38.66) 0.719 ms 1.241 ms
4 tata.par04.atlas.cogentco.com (130.117.15.70) 0.700 ms 0.638 ms
5 if-ae-11-2.tcore1.PYE-Paris.as6453.net (80.231.153.50) 1.117 ms 1.219 ms
6 80.231.154.14 (80.231.154.14) 0.760 ms 0.758 ms
7 198.41.214.162 (198.41.214.162) 0.726 ms 0.730 ms
Cogent Madrid:
traceroute to cloudflare.com (198.41.214.162), 30 hops max, 60 byte packets 1 gi0-0-0-19.219.nr12.b015535-1.mad05.atlas.cogentco.com (130.117.254.65) 0.963 ms 0.946 ms
2 te0-0-0-1.agr11.mad05.atlas.cogentco.com (154.25.6.69) 0.909 ms 0.910 ms
3 be2403.ccr22.mad05.atlas.cogentco.com (130.117.0.69) 0.742 ms be2402.ccr21.mad05.atlas.cogentco.com (130.117.0.65) 0.689 ms
4 be2853.rcr11.b015537-1.mad05.atlas.cogentco.com (154.54.56.62) 1.290 ms 1.539 ms
5 ae0-10.cr4-mad4.ip4.gtt.net (77.67.72.125) 0.725 ms 0.845 ms
6 xe-0-3-0.cr0-mad5.ip4.gtt.net (89.149.187.146) 1.122 ms xe-3-0-0.cr0-mad5.ip4.gtt.net (89.149.138.14) 1.170 ms
7 ip4.gtt.net (46.33.81.174) 0.908 ms 0.914 ms
8 198.41.214.162 (198.41.214.162) 0.817 ms 0.819 ms
Cogent Atlanta :
traceroute to cloudflare.com (198.41.214.162), 30 hops max, 60 byte packets
1 gi0-0-1-7.3500.agr22.atl01.atlas.cogentco.com (66.28.3.233) 0.622 ms 0.636 ms
2 te0-18-0-2.ccr41.atl01.atlas.cogentco.com (154.54.47.189) 0.794 ms 0.802 ms
3 be2790.ccr22.atl02.atlas.cogentco.com (154.54.27.166) 0.837 ms be2789.ccr22.atl02.atlas.cogentco.com (154.54.24.250) 0.705 ms
4 ae14.cr2-atl1.ip4.gtt.net (173.205.58.93) 0.490 ms 0.824 ms
5 xe-8-1-4.cr1-atl1.ip4.gtt.net (89.149.136.61) 11.766 ms xe-8-1-1.cr1-atl1.ip4.gtt.net (89.149.128.33) 11.780 ms
6 ip4.gtt.net (173.205.49.198) 0.523 ms 0.505 ms
7 198.41.214.162 (198.41.214.162) 0.522 ms 0.701 ms
Cogent Dusseldorf:
traceroute to cloudflare.com (198.41.215.162), 30 hops max, 60 byte packets
1 gi0-6-0-19.5.rcr21.dus01.atlas.cogentco.com (130.117.254.25) 0.645 ms 0.688 ms
2 be2114.agr21.ams03.atlas.cogentco.com (130.117.48.61) 4.105 ms 4.066 ms
3 tata.ams03.atlas.cogentco.com (130.117.15.102) 3.772 ms 3.777 ms
4 195.219.194.182 (195.219.194.182) 3.892 ms 3.893 ms
5 198.41.215.162 (198.41.215.162) 3.840 ms 3.865 ms[/size]
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C'est surprenant, car Cogent est un des plus gros Tier-1, si ce n'est le plus gros ; et le moins cher.
Votre avis ?