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Update #2

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Adriano Caloiaro 2023-04-16 13:45:35 -06:00
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content/post/2023/2023-04-16-att-traffic-shaping-makes-websites-unusable.md
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@ -51,3 +51,60 @@ Do you have any ideas how to diagnose this problem further? Do you know the best
Here is a pcap file captured with `sudo tcpdump host 'dgpcy4fyk1eox.cloudfront.net' -w capture.pcap`: [capture.pcap](/files/capture.pcap)
I've also attempted to disable/enable IPv6 on my local machine and my VPN connection to check for any differences. No differences were observed.
## Update #2 (19:43:00 UTC)
Traceroutes
Connected to AT&T iPhone via Wifi hotspot
```
traceroute web-assets.strava.com 130 ↵
traceroute to web-assets.strava.com (99.84.208.10), 30 hops max, 60 byte packets
1 _gateway (172.20.10.1) 4.386 ms 4.280 ms 5.292 ms
2 107.243.82.3 (107.243.82.3) 139.792 ms * *
3 * * *
4 * * *
5 * * *
6 * * *
7 * * *
8 * * *
9 * * *
10 * * *
11 * * *
12 * * *
13 12.117.216.210 (12.117.216.210) 244.538 ms 369.608 ms 933.487 ms
14 * * *
15 * * *
16 * * *
17 * * *
18 * * *
19 * * *
20 * * *
21 server-99-84-208-10.iad79.r.cloudfront.net (99.84.208.10) 206.664 ms 206.643 ms 206.623 ms
```
Connected to router on AT&T business plan
```
traceroute web-assets.strava.com
traceroute to web-assets.strava.com (99.84.208.115), 30 hops max, 60 byte packets
1 _gateway (192.168.13.31) 61.896 ms 61.950 ms 62.064 ms
2 172.26.96.161 (172.26.96.161) 132.156 ms 132.775 ms 132.749 ms
3 107.72.231.188 (107.72.231.188) 132.743 ms 132.718 ms 132.199 ms
4 * * *
5 12.83.179.49 (12.83.179.49) 148.138 ms 148.187 ms 148.162 ms
6 slkut21crs.ip.att.net (12.122.1.186) 148.361 ms 137.643 ms 142.401 ms
7 dvmco22crs.ip.att.net (12.122.28.45) 146.657 ms 146.627 ms 149.389 ms
8 cgcil21crs.ip.att.net (12.122.28.78) 149.369 ms 149.345 ms 216.643 ms
9 12.122.28.206 (12.122.28.206) 149.302 ms 146.467 ms 149.256 ms
10 wshdc84crs.ip.att.net (12.122.135.230) 146.421 ms 149.211 ms 149.161 ms
11 wshdc406me9.ip.att.net (12.123.10.125) 143.819 ms 139.466 ms 139.378 ms
12 12.117.216.210 (12.117.216.210) 139.342 ms 139.314 ms 187.019 ms
13 * * *
14 * * *
15 * * *
16 * * *
17 * * *
18 * * *
19 * * *
20 server-99-84-208-115.iad79.r.cloudfront.net (99.84.208.115) 152.577 ms 140.190 ms 141.460 ms
```