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uk.telecom.broadband (UK broadband) (uk.telecom.broadband) Discussion of broadband services, technology and equipment as provided in the UK. Discussions of specific services based on ADSL, cable modems or other broadband technology are also on-topic. Advertising is not allowed.

tracert problems - is this my isp ?



 
 
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  #1  
Old August 4th 06, 07:26 AM posted to uk.telecom.broadband
external usenet poster
 
Posts: n/a
Default tracert problems - is this my isp ?

I have a few sites that are completely inacessible to me through my isp yet
are for other users. When I tracert I find I get to hop 12 and then it
dies. - One site eg. www.toppocket.net

Tracing route to www.toppocket.net [85.92.72.35]
over a maximum of 30 hops:

1 4 ms 1 ms 1 ms mygateway.ar7 [192.168.1.1]
2 59 ms 39 ms 42 ms l1.ar10.hx4.bb.pipex.net [194.106.38.250]
3 56 ms 39 ms 41 ms g2-1-0.cr10.hx4.bb.pipex.net
[194.106.38.149]
4 53 ms 40 ms 38 ms pc1.cr05.hx2.bb.pipex.net [62.72.143.13]
5 56 ms 41 ms 39 ms v3952.cr05.tn5.bb.pipex.net [62.72.137.9]
6 51 ms 39 ms 51 ms g2-0-27-t6-br1.router.uk.clara.net
[195.8.68.197
]
7 59 ms 50 ms 40 ms t6-cr1-ge-6-0.router.uk.clara.net
[195.8.86.205]

8 56 ms 59 ms 41 ms gs-cr2-ge-2-2.router.uk.clara.net
[195.8.68.253]

9 62 ms 40 ms 39 ms gs-cr1-ge-2-2.router.uk.clara.net
[80.168.0.137]

10 56 ms 42 ms 39 ms gs-ar1-ge-1-1.router.uk.clara.net
[80.168.0.142]

11 66 ms 48 ms 52 ms gi2-0-2.rt02.gsl1.as34282.net
[217.158.78.138]
12 * * * Request timed out.
13 * * * Request timed out.

Who do I contact ? is this a freedom2surf issue or is it bigger ?

David



  #2  
Old August 4th 06, 08:02 AM posted to uk.telecom.broadband
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Posts: n/a
Default tracert problems - is this my isp ?



David Cleland wrote:

I have a few sites that are completely inacessible to me through my isp yet
are for other users.


For other users of what ?

Graham

  #3  
Old August 4th 06, 09:32 AM posted to uk.telecom.broadband
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Posts: n/a
Default tracert problems - is this my isp ?


On 4-Aug-2006, Eeyore wrote:

I have a few sites that are completely inacessible to me through my isp yet
are for other users.


For these sort of queries you do a who is, in this case on
www.ripe.net and get (the correct "who is" to use may need
a bit of detective work). Start with who is as search
terms on Google.

You get

Information related to '217.158.0.0 - 217.158.255.255'
inetnum: 217.158.0.0 - 217.158.255.255
org: ORG-CA48-RIPE
http://www.ripe.net/whois?searchtext=ORG-CA48-RIPE&form_type=simple
netname: UK-CLARANET-20020228
descr: PROVIDER
country: GB
admin-c: NL23-RIPE
http://www.ripe.net/whois?searchtext=NL23-RIPE&form_type=simple
tech-c: CH309-RIPE
http://www.ripe.net/whois?searchtext=CH309-RIPE&form_type=simple
tech-c: SR1060-RIPE
http://www.ripe.net/whois?searchtext=SR1060-RIPE&form_type=simple
status: ALLOCATED PA http://www.ripe.net/ripe/docs/ipv4-policies.html
http://www.ripe.net/ripe/docs/ipv4-policies.html
mnt-by: RIPE-NCC-HM-MNT
http://www.ripe.net/whois?searchtext=RIPE-NCC-HM-MNT&form_type=simple
mnt-lower: AS8426-MNT
http://www.ripe.net/whois?searchtext=AS8426-MNT&form_type=simple
source: RIPE # Filtered
organisation: ORG-CA48-RIPE
org-name: ClaraNET (UK)
org-type: LIR
address: 21 Southampton Row, Holborn
address: WC1B 5HA
address: London
address: United Kingdom
phone: +44 (0) 207 685 8000
fax-no: +44 (0) 207 685 8001
admin-c: CH309-RIPE
http://www.ripe.net/whois?searchtext=CH309-RIPE&form_type=simple
admin-c: CNET5-RIPE
http://www.ripe.net/whois?searchtext=CNET5-RIPE&form_type=simple
admin-c: CNET6-RIPE
http://www.ripe.net/whois?searchtext=CNET6-RIPE&form_type=simple
mnt-ref: AS8426-MNT
http://www.ripe.net/whois?searchtext=AS8426-MNT&form_type=simple
mnt-ref: RIPE-NCC-HM-MNT
http://www.ripe.net/whois?searchtext=RIPE-NCC-HM-MNT&form_type=simple
mnt-by: RIPE-NCC-HM-MNT
http://www.ripe.net/whois?searchtext=RIPE-NCC-HM-MNT&form_type=simple
source: RIPE # Filtered
role: Claranet Hostmaster
address: Claranet Ltd
address: 21 Southampton Row
address: London WC1B 5HA
address: United Kingdom
phone: +44 (0) 20 7685 8000
fax-no: +44 (0) 20 7685 8001
remarks: trouble: ---------------------------------------------------
remarks: trouble: Please do NOT send abuse complaints to the contacts
remarks: trouble: listed here. Please email them to
remarks: trouble: or use
http://www.abuse.net/lookup.phtml
remarks: trouble: ---------------------------------------------------
admin-c: NSUK2-RIPE
http://www.ripe.net/whois?searchtext=NSUK2-RIPE&form_type=simple
tech-c: NSUK1-RIPE
http://www.ripe.net/whois?searchtext=NSUK1-RIPE&form_type=simple
nic-hdl: CH309-RIPE
mnt-by: AS8426-MNT
http://www.ripe.net/whois?searchtext=AS8426-MNT&form_type=simple
source: RIPE # Filtered
abuse-mailbox:
&form_type=simple

The important bit is

org-name: ClaraNET (UK)

And next item is their address, so that is who you complain to, it's their crap
servers, or they have set them up wrong.
If really ****ed off, next line gives their London landline, not national rate, phone
number.
They will probably blame LINX, they may be right, or it could be just a lame excuse.
  #4  
Old August 4th 06, 05:24 PM posted to uk.telecom.broadband
external usenet poster
 
Posts: n/a
Default tracert problems - is this my isp ?


"David Cleland" wrote in message
...
I have a few sites that are completely inacessible to me through my isp yet
are for other users. When I tracert I find I get to hop 12 and then it
dies. - One site eg. www.toppocket.net

Tracing route to www.toppocket.net [85.92.72.35]
over a maximum of 30 hops:

1 4 ms 1 ms 1 ms mygateway.ar7 [192.168.1.1]
2 59 ms 39 ms 42 ms l1.ar10.hx4.bb.pipex.net [194.106.38.250]
3 56 ms 39 ms 41 ms g2-1-0.cr10.hx4.bb.pipex.net
[194.106.38.149]
4 53 ms 40 ms 38 ms pc1.cr05.hx2.bb.pipex.net [62.72.143.13]
5 56 ms 41 ms 39 ms v3952.cr05.tn5.bb.pipex.net [62.72.137.9]
6 51 ms 39 ms 51 ms g2-0-27-t6-br1.router.uk.clara.net
[195.8.68.197
]
7 59 ms 50 ms 40 ms t6-cr1-ge-6-0.router.uk.clara.net
[195.8.86.205]

8 56 ms 59 ms 41 ms gs-cr2-ge-2-2.router.uk.clara.net
[195.8.68.253]

9 62 ms 40 ms 39 ms gs-cr1-ge-2-2.router.uk.clara.net
[80.168.0.137]

10 56 ms 42 ms 39 ms gs-ar1-ge-1-1.router.uk.clara.net
[80.168.0.142]

11 66 ms 48 ms 52 ms gi2-0-2.rt02.gsl1.as34282.net
[217.158.78.138]
12 * * * Request timed out.
13 * * * Request timed out.

Who do I contact ? is this a freedom2surf issue or is it bigger ?

David




You are getting beyond your ISP and onto as34282. However, traceroute timing
out only means that icmp (or UDP traceroute) is being filtered at that
point. I get the same ..

snip
6 linx-gw1.enta.net (195.66.226.151) 8.25 ms 8.286 ms 8.334 ms
7 global-switch.core.enta.net (84.45.193.199) 9.944 ms 9.928 ms 9.89 ms
8 gi1-0-3.rt02.gsl1.as34282.net (84.45.248.251) 10.025 ms 10.507 ms
10.363 ms
9 * * *
10 * * *
11 * * *

However I can access www.toppocket.net just fine so a trace proves nothing.

Chris.


  #5  
Old August 7th 06, 06:23 PM posted to uk.telecom.broadband
external usenet poster
 
Posts: n/a
Default tracert problems - is this my isp ?

David Cleland wrote:
I have a few sites that are completely inacessible to me through my isp yet
are for other users. When I tracert I find I get to hop 12 and then it
dies. - One site eg. www.toppocket.net


Could well be an mtu issue - have you being changing things/has your
router got broken defaults/behavior. Check you are connecting with pppoa
not pppoe.

If all is apparently OK there, as a test try reducing mtu on the LAN PCs
to 1430 and see if that fixes it.

Is the problem still there? I can traceroute to there now (-I = use icmp
on linux which makes it work like dos tracert).

As has been said elsewhere not being able to traceroute to a site is
somewhat normal, but it can be a hint at the problem - ICMP being
blocked means that ICMP frag needed but df set packets may also be dropped.

[[email protected] ~]$ traceroute -I www.toppocket.net
traceroute to www.toppocket.net (85.92.72.35), 30 hops max, 40 byte packets
1 pat (192.168.0.1) 0.273 ms 0.184 ms 0.177 ms
2 lns2.dsl.enta.net (62.249.255.140) 22.482 ms 11.731 ms 11.941 ms
3 gi2-5.telehouse-east.core.enta.net (62.249.255.129) 11.839 ms
12.772 ms 13.972 ms
4 gi2-6.telehouse-east.core.enta.net (62.249.192.121) 13.061 ms
13.914 ms 12.975 ms
5 global-switch.core.enta.net (84.45.193.199) 12.987 ms 13.914 ms
13.981 ms
6 gi1-0-3.rt02.gsl1.as34282.net (84.45.248.251) 14.981 ms 13.916 ms
13.021 ms
7 ns2.toppocket.net (85.92.72.35) 14.083 ms 13.923 ms 13.972 ms


Andy.
 




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