[SAC] Slow connection to osgeo6.osgeo.osuosl.org

Hi,

at time OSGeo is only slowly to reach from Europe (and Asia):

ping grass.osgeo.org
PING grass.osgeo.org (140.211.15.3) 56(84) bytes of data.
64 bytes from osgeo6.osgeo.osuosl.org (140.211.15.3): icmp_seq=1
ttl=54 time=394 ms
64 bytes from osgeo6.osgeo.osuosl.org (140.211.15.3): icmp_seq=2
ttl=54 time=567 ms
64 bytes from osgeo6.osgeo.osuosl.org (140.211.15.3): icmp_seq=3
ttl=54 time=1064 ms
64 bytes from osgeo6.osgeo.osuosl.org (140.211.15.3): icmp_seq=4
ttl=54 time=1005 ms
64 bytes from osgeo6.osgeo.osuosl.org (140.211.15.3): icmp_seq=5
ttl=54 time=1005 ms

Check graphically:
https://www.monitis.com/traceroute/index.jsp?url=grass.osgeo.org&testId=2595275

traceroute grass.osgeo.org
traceroute to grass.osgeo.org (140.211.15.3), 30 hops max, 60 byte packets
1 local (192.168.178.1) 3.346 ms 10.281 ms 10.127 ms
2 192.0.0.1 (192.0.0.1) 10.453 ms 11.255 ms 13.466 ms
3 62.214.39.53 (62.214.39.53) 13.467 ms 13.451 ms 13.437 ms
4 62.214.37.110 (62.214.37.110) 15.277 ms 15.276 ms 62.214.37.106
(62.214.37.106) 15.182 ms
5 9-2-2.ear3.Amsterdam1.Level3.net (213.19.194.25) 20.380 ms
21.105 ms 21.028 ms
6 ae-1-11.bear1.Sacramento1.Level3.net (4.69.140.161) 163.711 ms
156.580 ms 156.517 ms
7 UNIVERSITY.bear1.Sacramento1.Level3.net (4.53.200.2) 166.173 ms
165.466 ms 168.191 ms
8 eugn-p1-gw.nero.net (207.98.64.192) 176.229 ms 175.825 ms 176.136 ms
9 corv-p2-gw.nero.net (207.98.64.13) 173.471 ms 174.994 ms 171.777 ms
10 corv-car1-gw.nero.net (207.98.64.19) 166.416 ms 166.457 ms 168.112 ms
11 osgeo6.osgeo.osuosl.org (140.211.15.3) 167.001 ms 249.979 ms 249.152 ms

--> the NERO connection seems to be the problem.

Does anyone have insights here about the reason?

thanks
Markus