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mtr does not returning AS Number. #221
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I must confess: I know very little about AS numbers. 0.85 (installed on my system) has the same problem. I vaguely remember that AS number lookup requires server IP addresses to be stored inside the MTR binary. Not a desirable situation. I vaguely remember that thos IP addresses needed to be changed. |
It seems the above funtion is getting the AS info. It has |
When I tested it just now, it was slow as if it didn't respond and timed out. So... yes I think it is not responding. |
It uses DNS based on a service by team-cymru, and the service indeed seems broken. It's probably temporary because even the examples from the website don't currently work (SERVFAIL): http://www.team-cymru.org/IP-ASN-mapping.html#dns |
Hmm, their website does mention some infrastructure change in June 2017:
However I would be surprised that their DNS service has been broken for the last two months, because it's used quite a lot everywhere. |
Is there any way to handle this problem with any other working URLs. |
I have contacted their support, they said they are looking into the issue. |
maybe it's not a bad idea to add more sources of IP info, there is a lot of other data sources that we may use for that, some of them below |
3 years later I come here because I'm looking why the major french ISP AS never appears in mtr traces. |
AS3215 backbone IPs aren’t announced, so you won’t have the ASN for them anyway. |
When you patch it, make it configurable. Maybe store candidates in a local file, maybe add a list-of-IP-addresses to the repository here and get https://github....mtr/raw/list-of-ip-addresses when it doesn't work? |
Hi,
I am using MTR to get traceroute with AS Number, I am using the following command to get the details, It was working fine. Suddenly I am not getting AS Number in the MTR result. How to get AS Number in the MTR result.
sudo ./mtr -z -T 8.40.222.155
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