traceroute is a common networking utility to determine the path a packet takes to a target IP device.

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6k views

I can tracert to an IP address, but not ping it

On Windows, if I tracert to Google I get the following; C:\Users\Dave>tracert -d -w 100 www.google.com Tracing route to www.google.com [216.58.220.100] over a maximum of 30 hops: 1 <1 ms ...
10
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3answers
49k views

Can't ping but can access internet just fine?

I'm wondering if anyone has ideas on this one, since it's a first for me. I can access the internet just fine with a browser, but using PING or TRACERT from a command prompt just shows requests ...
9
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3answers
6k views

Why is tracert showing a private IP address right after my router, even though it has a public IP?

Here is a log of tracert superuser.com from my computer: Tracing route to superuser.com [198.252.206.16] over a maximum of 30 hops: 1 2 ms 2 ms 2 ms 192.168.1.1 2 11 ms 17 ...
7
votes
3answers
179 views

Can you approximate a server's location?

Me and a colleague are having an argument whether or not the SaaS application we use is hosted in the US or in the EU. The contract says EU. Various traceroutes (example from home below) say US. ...
7
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6answers
43k views

How to find which DNS server I am using (of the multiple configured dns servers)

I have two dns servers configured, which are listed when viewing ipconfig /all I would like to know which of the two servers I am using at the current time i.e. from my browser or via the tracert ...
7
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2answers
525 views

Traceroute hops in the same subnet

in what case is there two neighbor hops in the same subnet in a traceroute output? As I know it should be only source addresses and each router interface should be in different subnet? E.g.: 1 ...
7
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1answer
1k views

* * * in traceroute

If I traceroute to my server via a bunch of different methods, the external ip seems to not work. However the server is online and accessible by this ip. Localhost: michaelxu@michaelxu-server:~$ ...
6
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1answer
2k views

How do I troubleshoot distant Internet routing problems?

(This may be better answered on serverfault, but it's not technically about a server, so suggestions welcome...) We just moved offices at work. We're in Cambridge, MA, and have a Comcast ...
5
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3answers
2k views

How to trace a hacker

So, I'm a big fan of the cheesy 90's movies about hacking (read Hackers). I've been using computers all my life, which has brought me to university studying in Computer Engineering. The other day I ...
5
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1answer
3k views

Slow tracert between hops

Each hop in the tracert reports 2ms or less latency, but trying to get to the end of one hop to another goes really slow. What would cause the latency to be so low yet take so long to perform the hop? ...
5
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1answer
11k views

Packet sizes for ping and traceroute

Why is a ping packet's data length 32 while a traceroute packet's data length is 64 bytes? Is there any reason for that? Or are there any advantages for this difference?
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4answers
2k views

How to block/avoid a particular IP when connecting to websites?

I'm having trouble connecting to a particular website. I can view it through a proxy, but not from home. So I ran a traceroute: Tracing route to fvringette.com [76.74.225.90] over a maximum of 30 ...
4
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2answers
7k views

Can I change the traceroute to a certain IP?

I like to play the game League of Legends but lately have gotten unacceptable amounts of latency (400+ ping). After finding out the game server's IP (95.172.65.165) I tried to traceroute it to see if ...
4
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1answer
56 views

Destination IP Faking?

I have a closed-source Windows 7 application that wants to make an HTTP connection to an internet-resident IP address. I want it to instead make it connect to a LAN IP address. If the application ...
3
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4answers
1k views

Windows tracert tool

Is there any information about packet loss in the tracert output ? First column shows hop number and last column shows IPs, is other columns showing ping times ?
3
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3answers
15k views

What is the range of ports that is usually used in the traceroute command?

I wanted to know if there is a range which is usually used for destination port that is used in traceroute command. Like the starting address for destination port is 33434. but is there some standard ...
3
votes
1answer
274 views

How do you find out what country a file is hosted?

I'm downloading a file from Adobe which appears to be coming from a local source but im not sure. Local traffic is free which is why im trying to find out. Download speed seems very slow to be ...
3
votes
1answer
2k views

Find slow network nodes between two data centers

I've got a problem with syncing big amount of data between two data centers. Both machines have got a gigabit connection and are not fully occupied but the fastest that I am able to get is something ...
3
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2answers
5k views

private address in traceroute results

I SSH into a remote host 194.199.68.165 and then use traceroute to check paths to 132.227.62.122 , and I notice that there are some private IPs, like 10.230.10.1 bash-4.0# traceroute -T ...
3
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1answer
190 views

Is traceroute output correct concerning the actual path to a target

The man page for traceroute says " traceroute tracks the route packets taken from an IP network on their way to a given host." , but while doing research on the topic I was not able to find any ...
2
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2answers
318 views

Traceroute to IP address fails, but traceroute to domain name with same IP address is okay. Why?

When I traceroute to this IP (108.162.198.181) it stops after 1 hop. But tracerouting to a domain (www.gomodule.com) with the same IP shows 9 hops ending in that target. traceroute to ...
2
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2answers
980 views

Linux Traceroute and Linux Tracert

Im with a problem with traceroute on linux, the command traceroute its not working but tracert is working but both commands run the traceroute command, tracert is just a symbolic link to traceroute ...
2
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1answer
1k views

How to print only an IP address list of traceroute?

How do I print only an IP address list of a traceroute run? I don't want the web addresses like something-online.net and their round trip times. How do I get a "simple" traceroute from the ...
2
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2answers
454 views

Reading the Result of Traceroute

When you use tracert www.example.com in the command prompt, what exactly does the returned information tell you, and how does it go about getting that information. Up until now I have only used ...
2
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2answers
1k views

Why does my tracert output not match my ipconfig?

When I ran into some intermittent Internet connectivity issues the other day at home, I decided to do something I rarely bother with - I plugged my laptop directly into the cable modem to see what was ...
2
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3answers
132 views

I can get in, but I can't get out

Like most technical folks, I suppose, I'm my family's primary source of tech support. I'm a developer--not a sysadmin--by trade and tonight I bumped into something I've never seen before. I'm hoping ...
2
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2answers
498 views

understanding traceroute output to diagnose an issue with Verizon FIOS

Tech support has tried, and failed, to repeatedly fix anything, which makes me think the issues are deep within the Verizon network. But I'd like a quick sanity check, since I'm not very experienced ...
2
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1answer
8k views

what does it mean if nslookup and ping fail to resolve a host name but tracert does not?

This problem concerns an internal DNS server that for some reason sometimes fails to resolve the host names of some machines on the network. When it fails to resolve a host name, and this can happen ...
2
votes
1answer
800 views

Website is resolving to localhost?

For some reason, the website funshion.com resolves to localhost (127.0.0.1) when I run it on tracert. The website should, of course, go to the website, not to my computer. Basically, Funshion is a ...
2
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2answers
4k views

How can I find the source of packet loss in a traceroute?

Whenever I ping my website, I get 5% packet loss consistently. However, pinging other sites such as google produce no packet loss. I'm really not fond of my webserver dropping packets, but I'm not ...
2
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1answer
119 views

traceroute on Linux displays '* * *'

What is going on? If I run traceroute google.com it outputs 192.168.0.1 for the first router (which is correct) and threee *'s for the rest. I have tried disabling the FireWall on the router ...
2
votes
3answers
5k views

Why does tracert not work when connected via wireless, but works when wired?

If my laptop is connected to my new Netgear router via wireless, all tracert commands display my router's IP address for hop #1, then timeouts for all remaining hops. If I connect to my router via ...
2
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2answers
2k views

Mac OS X traceroute not even reaching router gateway

I'm having an issue on a Macbook Pro running Mac OS X 10.5, I'm unable to visit certain websites such as: "themarchesa.com" On other computers in the same LAN network connected over wifi I'm able to ...
2
votes
1answer
287 views

traceroute not showing hops

When I attempt to traceroute to an IP Address, I only get a single hop for output. Traceroute has started… traceroute to 8.8.8.8 (8.8.8.8), 64 hops max, 72 byte packets 1 ...
2
votes
2answers
565 views

Why does ping sometimes decrease in a traceroute?

I've run a traceroute. (see image). The "Avg" column shows that on hop 7, the ping actually decreases between ping 6 and 8. This can't be due to an anomaly because this data is averaged over 24 ...
2
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1answer
3k views

Request Timed Out before getting to ISP

I’m on a network running server running Windows Server 2008 R2 and seem to be having a problem with connection speed to the internet. When I use tracert in the command prompt I always get “request ...
2
votes
1answer
21 views

Ping is (LSSR) not working as it should

when trying to reach google from my PC, here's the trace route: But when trying to use loose source routing ping, it always return "Request timed out." ping -j 130.43.32.33 google.com (returns, ...
2
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0answers
43 views

tracert results not matching routing table (route print)

Why would tracert 10.0.0.1 produce the following results: Tracing route to 10.0.0.1 over a maximum of 30 hops 1 3 ms 3 ms 3 ms 192.168.0.1 2 * * * Request ...
2
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1answer
110 views

Cannot access a very specific site from my router

This is a problem for me because this site is important to me. It's MY website. And sadly my email is hosted on my site (which I cant access either) When I try to access my website when connected ...
1
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3answers
124 views

Why would latency suddenly go up when crossing networks?

I'm looking at the latency from my machine to a world of warcraft server. Every hop while I am in Comcast's network is sub 15ms. Then it hits ATT and goes to 60-70MS for the rest. Why would it ...
1
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4answers
3k views

What does this tracert output mean (hovering between two IP addresses)?

I'm sadly spending my morning trying to get Take That tickets for my girlfriend. I did tracert ticketmaster.co.uk and got the following output C:\Users\Alex>tracert ticketmaster.co.uk Tracing ...
1
vote
2answers
188 views

Tracert behaviour explanation

Sorry if my question is trivial, I tried to tracert to an ip address, and after first 12 hops I got request timed out for the rest, until reach a maximum of 30 hops. I assume that the machine is ...
1
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2answers
98 views

More Detailed Trace of my Server's IP?

I use Geolocating services to see where my server seems to be residing, and it is resolving to New York. But the server is actually a cloud-server located in the Netherlands. The hosting company is ...
1
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2answers
659 views

How can traceroute show two different names for the same IP address?

Here are two traceroutes both to 82.195.128.132. One results in the name ns1.hosting365.ie and the other in the name mail.hosting365.ie. Why the difference? traceroute to mail.cameracentre.ie ...
1
vote
1answer
278 views

Am I reading this trace correctly?

We've been having issues at work with getting quotes from UPS today. After having no luck getting to the UPS support page, I decided to traceroute it. The following is the result I got from it: ...
1
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1answer
48 views

traceroute showing unfamiliar result in local network

When I use the the tracert command in Windows cmd, for example with google.com, it shows a familiar IP address. But when I use it with the name of a computer on the same network it shows me a long ...
1
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1answer
56 views

what's hops unity in network context

I have scanned a remote server using nmap : And i get the following OUTPUT : Network Distance: 22 hops What's hops unity? And , is there a relationship among the others unities of distance ...
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1answer
79 views

How can I determine the meaning of an odd entry in tracert output?

My router / gateway is on 10.0.0.1, with it handing out DHCP addresses in the range of 10.0.0.10 - 50. I did a tracert on yahoo today and noticed something odd, the 10.196.192.1 entry in the list ...
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1answer
130 views

Why does traceroute show a direct connection to my home network devices instead of going via the router?

I have 2 laptops connected to my home router, with the IP addresses 192.168.1.10 and 192.168.1.11. I use traceroute 192.168.1.11 from the first laptop and I get 1 22 ms 11 ms 33 ms ...
1
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1answer
211 views

Bandwidth information from traceroute command

I was wondering: is it possible to calculate bandwidth information from a simple traceroute command? Maybe an approximation using the distance between the nodes could be possible. The reason I am ...