[lacnog] Google DNS from South America
Alex Ojeda
alex en chilenetworks.com
Vie Oct 11 09:51:59 BRT 2013
>From Santiago, Chile
Level3:
1 64.76.142.245 [AS 3549] 0 msec 0 msec 4 msec
2 te4-4-10G.asr1.SCL1.gblx.net (67.17.107.190) [AS 3549] 0 msec 0 msec
po2.ar3.SCL1.gblx.net (67.16.144.114) [AS 3549] 0 msec
3 72.14.216.105 [AS 3549] 0 msec 0 msec 0 msec
4 72.14.232.88 [AS 3549] 0 msec
72.14.232.86 [AS 3549] 0 msec
72.14.232.88 [AS 3549] 0 msec
5 209.85.244.84 [AS 3549] [MPLS: Label 524632 Exp 4] 128 msec
209.85.244.82 [AS 3549] [MPLS: Label 541175 Exp 4] 136 msec
209.85.244.84 [AS 3549] [MPLS: Label 521112 Exp 4] 140 msec
6 72.14.236.148 [AS 3549] [MPLS: Label 26256 Exp 4] 120 msec
72.14.236.152 [AS 3549] [MPLS: Label 19390 Exp 4] 140 msec 136 msec
7 72.14.235.10 [AS 3549] [MPLS: Label 8754 Exp 4] 140 msec 128 msec 128 msec
8 72.14.234.55 [AS 3549] 124 msec 140 msec 140 msec
9 * * *
10 google-public-dns-a.google.com (8.8.8.8) [AS 3549] 148 msec 148 msec 136 msec
Claro:
1 10.99.180.1 [AS 10778] 0 msec 0 msec 4 msec
2 10.107.200.2 [AS 10778] 4 msec 4 msec 0 msec
3 172.18.26.249 [AS 10778] 4 msec 0 msec 0 msec
4 190.208.9.9 [AS 10778] 0 msec 0 msec 0 msec
5 190.208.9.58 [AS 10778] 8 msec 4 msec 4 msec
6 72.14.232.88 [AS 10778] 4 msec 4 msec 4 msec
7 209.85.244.84 [AS 10778] 124 msec
209.85.244.82 [AS 10778] 144 msec
209.85.244.84 [AS 10778] 132 msec
8 72.14.236.152 [AS 10778] 132 msec
72.14.236.148 [AS 10778] 124 msec
72.14.236.152 [AS 10778] 132 msec
9 66.249.95.229 [AS 10778] 140 msec 140 msec
72.14.235.10 [AS 10778] 128 msec
10 72.14.234.55 [AS 10778] 128 msec
72.14.234.53 [AS 10778] 128 msec 128 msec
11 * * *
12 8.8.8.8 [AS 10778] 140 msec 140 msec 176 msec
Alex Matias Ojeda Mercado
NOG Chile
De: lacnog-bounces en lacnic.net [mailto:lacnog-bounces en lacnic.net] En nombre de Ivan Chapero
Enviado el: jueves, 10 de octubre de 2013 16:13
Para: Latin America and Caribbean Region Network Operators Group
Asunto: Re: [lacnog] Google DNS from South America
We have the same degradation of RTT here (Argentina). This traceroute is a direct peering to Google in NAP-CABASE!!!
# ADDRESS LOSS SENT LAST AVG BEST WORST STD-DEV STATUS
1 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 0% 26 0.1ms 0.1 0.1 0.3 0
2 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 88% 26 timeout 0.9 0.9 0.9 0
3 200.0.17.203 0% 25 5.1ms 6.6 5 40.9 7
4 209.85.251.84 0% 25 5.2ms 8.8 5 63.4 12.3
5 216.239.43.86 0% 25 74.4ms 48.7 26.4 76.6 15.1 <MPLS:L=729232,E=4>
6 209.85.244.82 0% 25 144ms 146.7 141.8 178.3 10.4 <MPLS:L=603078,E=4>
7 72.14.236.148 0% 25 152.6ms 153.4 152.6 165.9 2.6 <MPLS:L=5501,E=4>
8 72.14.235.10 0% 25 179.6ms 180.3 179.4 189.8 2.2 <MPLS:L=8889,E=4>
9 72.14.234.67 0% 25 172.4ms 174 172.3 193.9 4.3
10 100% 25 timeout
11 google-public-dns-a.google.com<http://google-public-dns-a.google.com> 0% 25 149.6ms 149.8 149.5 150.8 0.3
Previously was around 40ms
2013/10/10 Claudio Hidalgo <chidalgo en nic.cl<mailto:chidalgo en nic.cl>>
El 10-10-2013, a las 12:14, Doug Madory <dmadory en renesys.com<mailto:dmadory en renesys.com>> escribió:
> We have noticed a change in the latencies to Google's public DNS services (8.8.8.8 and 8.8.4.4) coming from locations in South America starting mid-September:
>
> http://www.renesys.com/2013/10/internet-paths-matter-performance/
>
> Have any of the members of the LACNOC community noticed this change?
>From Chile got ~120-150ms from a traceroute (10 hops)
A direct DNS query with dig got me between ~125ms & ~250ms (no cache?)
--
Claudio Hidalgo
NIC Chile - Universidad de Chile
www.nic.cl<http://www.nic.cl>
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--
Ivan Chapero
Área Técnica y Soporte
Fijo: 03464-470280 (interno 535) | Móvil: 03464-155-20282 | Skype ID: ivanchapero
--
Go Banda Ancha - CABLETEL S.A. | Av. 9 de Julio 1163 - 2183 - Arequito - Santa Fe - Argentina
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