How to figure out if this is router or ISP?

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qZoX9oy2KHazCLr
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Joined: 29 Mar 2025
Posts: 6

PostPosted: Sun Apr 06, 2025 16:09    Post subject: How to figure out if this is router or ISP? Reply with quote
I'm new to DD-WRT and any type of routing really.

When doing a tracert on Windows 11 it looks like this.

Code:
C:\Windows\System32>tracert 9.9.9.9

Tracing route to dns9.quad9.net [9.9.9.9]
over a maximum of 30 hops:

  1    <1 ms    <1 ms    <1 ms  (Home Router)
  2     *        *        *     Request timed out.
  3     9 ms     9 ms     8 ms 
  4    19 ms    18 ms    18 ms 
  5     *      102 ms     *     
  6    27 ms    26 ms    25 ms 
  7    25 ms    25 ms    25 ms 
  8    24 ms    33 ms    24 ms 
  9    24 ms    24 ms    23 ms  dns9.quad9.net [9.9.9.9]

Trace complete.


I'm not sure if this is do to me messing something up in the config for DD-WRT, hardware or my ISP? How would one figure that out?
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egc
DD-WRT Guru


Joined: 18 Mar 2014
Posts: 13879
Location: Netherlands

PostPosted: Sun Apr 06, 2025 16:29    Post subject: Reply with quote
Figure out what?

This looks perfectly normal to me.

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Install guide R6400v2, R6700v3,XR300:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316399
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qZoX9oy2KHazCLr
DD-WRT Novice


Joined: 29 Mar 2025
Posts: 6

PostPosted: Sun Apr 06, 2025 16:37    Post subject: Reply with quote
egc wrote:
Figure out what?

This looks perfectly normal to me.


The second trace is supposed to always time out like that? It just never used to do that on my Asus router, while it's doing it on everything now Google.com, every DNS etc etc. So thought i messed something up.
Per Yngve Berg
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Joined: 13 Aug 2013
Posts: 7159
Location: Romerike, Norway

PostPosted: Sun Apr 06, 2025 19:33    Post subject: Reply with quote
The second trace is your ISP's router that is not responding.
qZoX9oy2KHazCLr
DD-WRT Novice


Joined: 29 Mar 2025
Posts: 6

PostPosted: Sun Apr 06, 2025 20:08    Post subject: Reply with quote
Per Yngve Berg wrote:
The second trace is your ISP's router that is not responding.


So the modem my ISP gave me that my 4300 is connected to is messed up most likely or my MX4300 isn't communicating with it properly?

If i plug my PC directly into my ISP Modem. My first trace times out instead of the second. So it's most likely the modem my ISP gave me and i should ask for a new one?
kernel-panic69
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Joined: 08 May 2018
Posts: 17033
Location: Texas, USA

PostPosted: Sun Apr 06, 2025 21:15    Post subject: Reply with quote
Probably not. Again, perfectly normal. ISP routers don't always respond to tracert / traceroute. I've been in situations where it wasn't until the ISP endpoint to the internet before there was a response (10 hops).
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egc
DD-WRT Guru


Joined: 18 Mar 2014
Posts: 13879
Location: Netherlands

PostPosted: Mon Apr 07, 2025 5:57    Post subject: Reply with quote
Really this is perfectly normal, often ISP modems especially in bridge mode do not respond to requests for information as are other hops along the way.
_________________
Routers:Netgear R7000, R6400v1, R6400v2, EA6900 (XvortexCFE), E2000, E1200v1, WRT54GS v1.
Install guide R6400v2, R6700v3,XR300:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316399
Install guide R7800/XR500: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=320614
Forum Guide Lines (important read):https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087
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