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Standard User IamQ
(experienced) Tue 19-May-20 19:04:49
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Interesting momentry traceroute to bbc.co.uk


[link to this post]
 
Someone must of had an outage or messed up the global BGP tables again; just had this rather convoluted route to the BBC.

Tracing route to bbc.co.uk [151.101.192.81]
over a maximum of 30 hops:

1 <1 ms <1 ms <1 ms gateway [192.168.1.1]
2 6 ms 7 ms 8 ms losubs.subs.dsl8.th-lon.zen.net.uk [62.3.84.33]
3 5 ms 5 ms 5 ms ae1-140.cr1.th-lon.zen.net.uk [62.3.86.161]
4 5 ms 5 ms 5 ms vl-50.ae-5.pe1.thn-lon.zen.net.uk [51.148.73.56]
5 6 ms 6 ms 6 ms ae-1.cor1.lond1.ptn.zen.net.uk [51.148.73.1]
6 6 ms 6 ms 5 ms ae-2.agg4.lond1.ptn.zen.net.uk [51.148.73.86]
7 5 ms 5 ms 5 ms ae-2.a00.londen12.uk.bb.gin.ntt.net [83.231.181.113]
8 19 ms 19 ms 20 ms ae-16.r04.londen12.uk.bb.gin.ntt.net [129.250.2.137]
9 6 ms 7 ms 6 ms ae-4.r24.londen12.uk.bb.gin.ntt.net [129.250.4.125]
10 23 ms 21 ms 21 ms ae-16.r20.frnkge13.de.bb.gin.ntt.net [129.250.3.13]
11 20 ms 21 ms 20 ms ae-3.r00.frnkge13.de.bb.gin.ntt.net [129.250.6.14]
12 22 ms 21 ms 21 ms be2914.agr41.fra03.atlas.cogentco.com [130.117.14.129]
13 19 ms 19 ms 19 ms be3186.ccr41.fra03.atlas.cogentco.com [130.117.0.1]
14 21 ms 21 ms 21 ms fastly.demarc.cogentco.com [149.6.42.46]
15 21 ms 21 ms 21 ms 151.101.192.81

Trace complete.

All back to normal now;

Tracing route to bbc.co.uk [151.101.128.81]
over a maximum of 30 hops:

1 <1 ms <1 ms <1 ms gateway [192.168.1.1]
2 6 ms 6 ms 5 ms losubs.subs.dsl8.th-lon.zen.net.uk [62.3.84.33]
3 5 ms 5 ms * ae1-140.cr1.th-lon.zen.net.uk [62.3.86.161]
4 5 ms 5 ms 5 ms 195.66.225.91
5 5 ms 5 ms 5 ms 151.101.128.81

Trace complete.

Same NTT route was observed from many other not Zen related servers inc stuff in Telehouse!
Standard User rowter
(learned) Tue 19-May-20 19:07:54
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Re: Interesting momentry traceroute to bbc.co.uk


[re: IamQ] [link to this post]
 
When was that?
Standard User IamQ
(experienced) Tue 19-May-20 19:09:07
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Re: Interesting momentry traceroute to bbc.co.uk


[re: rowter] [link to this post]
 
In reply to a post by rowter:
When was that?


Just before I posted that so within the last 10min.


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Standard User rowter
(learned) Tue 19-May-20 19:45:20
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Re: Interesting momentry traceroute to bbc.co.uk


[re: IamQ] [link to this post]
 
I didn't see any differences but it is very interesting
Standard User IamQ
(experienced) Tue 19-May-20 20:19:04
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Re: Interesting momentry traceroute to bbc.co.uk


[re: rowter] [link to this post]
 
If I remember tomorrow I'll try and look back at the global tables and see what happened. I suspect they either dropped there link to LINX or someone had fat fingers somewhere and announced something wrongly.
Standard User IamQ
(experienced) Wed 20-May-20 09:33:31
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Re: Interesting momentry traceroute to bbc.co.uk


[re: IamQ] [link to this post]
 
For the geeky have a look at;

https://stat.ripe.net/widget/bgplay#w.ignoreReannoun...

A 30 min window from 18:45 - 19:00 (BST) looks like there was trouble!
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