Good evening Swinog
If someone from Swisscom / Bluewin is reading here:
I know about at least three announced subnets on AS44038 / AS3303:
188.62.0.0/15
178.192.0.0/14
85.0.0.0/14
I think there is some routing issue.
All three subnets gets routed very different since 1-2 weeks from cogent zurich, see the traceroutes made from cogent looking glass router in zurich:
traceroute to 178.192.0.0 (178.192.0.0), 30 hops max, 60 byte packets
1 te2-2.3.ccr01.zrh01.atlas.cogentco.com (130.117.254.113) 145.741 ms 145.737 ms
2 i79tix-005-xe0-3-3.bb.ip-plus.net (164.128.22.149) 0.255 ms 0.267 ms
3 i00sgx-005-pos2-0.bb.ip-plus.net (138.187.129.144) 0.659 ms 0.763 ms
4 i79zhb-025-hu4-0-0.bb.ip-plus.net (138.187.129.143) 2.892 ms 2.899 ms
5 1-220-3-213.bluewin.ch (213.3.220.1) 1.054 ms 1.139 ms
6 10-218-3-213.bluewin.ch (213.3.218.10) 1.077 ms 0.837 ms
traceroute to 85.0.0.0 (85.0.0.0), 30 hops max, 60 byte packets
1 te2-2.3.ccr01.zrh01.atlas.cogentco.com (130.117.254.113) 0.352 ms 0.355 ms
2 te3-7.ccr01.lys01.atlas.cogentco.com (154.54.73.177) 8.018 ms te2-4.ccr01.lys01.atlas.cogentco.com (130.117.3.193) 8.033 ms
3 te3-2.ccr01.gnb01.atlas.cogentco.com (130.117.48.214) 9.542 ms 9.549 ms
4 te2-1.ccr01.gva01.atlas.cogentco.com (154.54.39.233) 13.354 ms 13.363 ms
5 swisscom.gva01.atlas.cogentco.com (130.117.14.54) 11.861 ms 11.873 ms
6 i68geb-025-bun14.bb.ip-plus.net (138.187.129.14) 18.959 ms 18.968 ms
7 i79zhb-025-ten0-9-0-8.bb.ip-plus.net (138.187.129.154) 8.624 ms i79zhb-025-bun4.bb.ip-plus.net (138.187.129.37) 12.166 ms
8 5-220-3-213.bluewin.ch (213.3.220.5) 8.746 ms 8.756 ms
9 14-218-3-213.bluewin.ch (213.3.218.14) 9.636 ms 8.619 ms
BAD ROUTING (over foreign countries, high latency):
traceroute to 188.62.0.0 (188.62.0.0), 30 hops max, 60 byte packets
1 te2-2.3.ccr01.zrh01.atlas.cogentco.com (130.117.254.113) 0.414 ms 0.414 ms
2 te3-1.ccr01.str01.atlas.cogentco.com (130.117.1.113) 3.302 ms te1-2.ccr01.str01.atlas.cogentco.com (130.117.3.13) 3.319 ms
3 te0-0-0-7.ccr21.muc01.atlas.cogentco.com (130.117.3.78) 6.381 ms 6.411 ms
4 te0-2-0-2.ccr21.vie01.atlas.cogentco.com (154.54.73.230) 12.630 ms 12.638 ms
5 62.157.248.57 (62.157.248.57) 62.245 ms 62.226 ms
6 217.239.40.230 (217.239.40.230) 69.447 ms 217.239.39.22 (217.239.39.22) 69.035 ms
7 80.157.130.222 (80.157.130.222) 72.955 ms 72.969 ms
8 i79zhb-025-bun11.bb.ip-plus.net (138.187.129.106) 68.502 ms 68.480 ms
9 1-220-3-213.bluewin.ch (213.3.220.1) 68.514 ms 68.471 ms
10 10-218-3-213.bluewin.ch (213.3.218.10) 68.110 ms 68.067 ms
Wish you a nice evening and sorry for my bad english.
-Matias
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