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[Connectivity] Bad Routing Table?
I cannot get to monoprice.com. I'm using Comcast's Anycast DNS servers (75.75.75.75 & 76.76.76.76) but also tried the OpenDNS servers so I don't think it's a DNS issue.
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:\Windows\system32>tracert monoprice.com
Tracing route to monoprice.com [173.203.17.209]
over a maximum of 30 hops:
1 <1 ms <1 ms <1 ms E4200V2 [192.168.1.1]
2 34 ms 30 ms 13 ms 98.192.220.1
3 10 ms 9 ms 29 ms te-7-3-ur01.salisbury.md.bad.comcast.net [68.85.
134.129]
4 34 ms 10 ms 11 ms te-7-2-ur01.cambridge.md.bad.comcast.net [69.139
.174.206]
5 14 ms 12 ms 27 ms xe-13-0-0-0-ar04.capitolhghts.md.bad.comcast.net
[69.139.174.190]
6 65 ms 16 ms 26 ms pos-5-7-0-0-cr01.ashburn.va.ibone.comcast.net [6
8.86.90.85]
7 39 ms 23 ms 20 ms pos-0-10-0-0-cr01.newyork.ny.ibone.comcast.net [
68.86.85.10]
8 54 ms 40 ms 40 ms pos-0-1-0-0-cr01.350ecermak.il.ibone.comcast.net
[68.86.88.134]
9 39 ms 40 ms 54 ms be-11-pe03.350ecermak.il.ibone.comcast.net [68.8
6.84.102]
10 41 ms 43 ms 42 ms 173-167-57-126-static.hfc.comcastbusiness.net [1
73.167.57.126]
11 55 ms 39 ms 37 ms ae1-40g.cr1.ord1.us.nlayer.net [69.31.111.133]
12 54 ms 41 ms 41 ms ae1-20g.ar1.ord6.us.nlayer.net [69.31.110.250]
13 * * * Request timed out.
14 * * * Request timed out.
15 * * * Request timed out.
16 * * * Request timed out.
17 * * * Request timed out.
18 * * * Request timed out.
19 * * * Request timed out.
20 * * * Request timed out.
21 * * * Request timed out.
22 * * * Request timed out.
I've ipconfig /flushDNS so I don't thinks it's a local resolution issue.
I clicked the link and went right to the website (and I have Comcast although I use a google DNS server). I tried pinging the site and it timed out so they likely are not honoring ICMP requests.
This looked to be a peering-related problem. Welcome to the Internet: it's broken 24x7x365. AS6453 = Tata Communications.
Also remember: routing on the Internet is asymmetric, thus a traceroute from point A to point B only shows half of the picture; one always needs a traceroute from point B to point A to provide full insight. If you can't get traceroutes from both directions then you're SOL. -- Making life hard for others since 1977. I speak for myself and not my employer/affiliates of my employer.