b.root-servers.net

[Eivind Olsen]

--On 3. februar 2004 16:34 +0100 Stephane Bortzmeyer <bortzmeyer at nic.fr> 
wrote:
> I have two upstream providers, Renater at work (they are clueless) and
> Nerim at home (they told me that "it is probably a problem with Level
> 3 - which feeds ISI").

To my (relatively) untrained eyes there seems to be some problems when 
Level 3 are involved yes.

Here are two traceroutes, one from a place that can reach 192.228.79.201 on 
port 53 and one which can't.

This one works, and doesn't mention Level 3:

traceroute to 192.228.79.201 (192.228.79.201), 30 hops max, 38 byte packets
1 209.123.152.1 (209.123.152.1) 1.364 ms 0.885 ms 0.705 ms
2 207.99.8.197 (207.99.8.197) 0.811 ms 1.121 ms 0.582 ms
3 0.so-0-3-0.gbr1.nwr.nac.net (209.123.11.57) 2.040 ms 2.274 ms 1.900 ms
4 0.ge-0-1-0.gbr2.nwr.nac.net (209.123.11.77) 2.019 ms 1.914 ms 1.927 ms
5 0.so-0-2-0.gbr1.ash.nac.net (209.123.11.30) 7.262 ms 8.444 ms 6.665 ms
6 ash-m20-ge0-0-0.gnaps.net (209.123.24.174) 7.708 ms 7.732 ms 7.970 ms
7 nyc-m20-ge2-1-0.gnaps.net (199.232.131.16) 13.203 ms 12.543 ms 12.470 ms
8 lax1-br1-gi4-2.gnaps.net (199.232.44.22) 85.558 ms 85.264 ms 84.659 ms
9 lax1-br2-gi-6-1.gnaps.net (199.232.44.49) 89.270 ms 94.145 ms 90.839 ms
10 pao1-br1-p3-2.gnaps.net (199.232.44.6) 94.318 ms 94.357 ms 93.258 ms
11 * * *
12 dc-svl-dc1--paix-px1-ge.cenic.net (137.164.22.146) 91.255 ms 92.319 ms 
89.710 ms
13 dc-oak-dc1--svl-dc1-10ge.cenic.net (137.164.22.31) 90.940 ms 91.037 ms 
91.478 ms
14 dc-oak-dc2--oak-dc1-ge.cenic.net (137.164.22.37) 91.545 ms 92.394 ms 
92.970 ms
15 dc-csac-dc1--oak-dc2-ge.cenic.net (137.164.22.111) 92.993 ms 92.830 ms 
93.545 ms
16 dc-lax-dc1--sac-dc1-pos.cenic.net (137.164.22.126) 91.188 ms 91.267 ms 
91.672 ms
17 lax-dc1--losnettos-dc.cenic.net (137.164.23.252) 96.943 ms 100.334 ms 
97.133 ms
18 b.root-servers.net (192.228.79.201) 96.283 ms 96.417 ms 96.039 ms

This one doesn't work, and it goes through Level 3:

eivind at vimes:~ > traceroute 192.228.79.201
traceroute to 192.228.79.201 (192.228.79.201), 64 hops max, 40 byte packets
 1  router.aminor.no (213.187.177.1)  0.892 ms  0.861 ms  0.821 ms
 2  1.80-202-115.nextgentel.com (80.202.115.1)  16.274 ms  27.584 ms 
16.146 ms
 3  217-13-1-41.dd.nextgentel.com (217.13.1.41)  15.175 ms  14.917 ms 
15.413 ms
 4  217-13-6-137.dd.nextgentel.com (217.13.6.137)  15.987 ms  16.152 ms 
16.101 ms
 5  217-13-6-179.dd.nextgentel.com (217.13.6.179)  21.890 ms  22.509 ms 
148.038 ms
 6  217-13-6-194.dd.nextgentel.com (217.13.6.194)  23.474 ms  21.994 ms 
21.849 ms
 7  ge0-3-0-103.ar1.OSL1.gblx.net (208.51.41.57)  23.083 ms  22.904 ms 
22.735 ms
 8  pos12-0-2488M.cr2.HAM1.gblx.net (67.17.74.185)  42.410 ms  40.752 ms 
40.735 ms
 9  pos0-0-2488M.cr1.LON3.gblx.net (67.17.64.34)  183.657 ms  65.185 ms 
80.333 ms
10  so6-0-0-2488M.ar2.LON3.gblx.net (67.17.66.2)  65.670 ms  65.260 ms 
65.541 ms
11  Level-3public-peering.ge-5-0-0.ar2.LON3.gblx.net (208.51.239.162) 
164.668 ms  67.399 ms  78.418 ms
12  ae-0-51.mp1.London1.Level3.net (212.187.131.1)  67.659 ms  67.629 ms 
153.609 ms
13  so-1-0-0.mp1.London2.Level3.net (212.187.128.49)  133.560 ms  66.316 ms 
68.309 ms
14  so-1-0-0.bbr1.Washington1.Level3.net (212.187.128.138)  139.399 ms 
138.454 ms  138.501 ms
15  so-3-0-0.mpls1.Tustin1.Level3.net (209.247.8.121)  201.650 ms  208.204 
ms  471.320 ms
16  so-10-0.hsa1.Tustin1.Level3.net (209.244.27.154)  316.681 ms 
so-9-0.hsa1.Tustin1.Level3.net (209.244.27.174)  200.399 ms  313.178 ms
17  * * *
18  130.152.181.66 (130.152.181.66)  205.178 ms  206.792 ms  209.621 ms
19  * * *
20  * * *
21  * * *
22  * * *
23  * * *
24  * * *
25  * * *
26  * * *
27  * * *
28  * * *
29  * * *
30  * *^C

I don't know if this is of any help to anyone.

-- 
Regards / Hilsen
Eivind Olsen
<eivind at aminor.no>