[CentOS] What can I do to UNDERSTAND why I can't reach centos.org (but everyone else can)?

Fri Mar 1 16:47:59 UTC 2013
Rock <RockSockDoc at gmail.com>

On Fri, 01 Mar 2013 10:27:12 -0600, Les Mikesell wrote:
> Those 'looking glass' sites can show you if the bgp
> routes are propagating to various locations.

I saw the reference to the lookingglass site, e.g., 
 http://www.lookinglass.org
But, I'm sorry ... I'm totally clueless as to how to properly USE them.

May I ask:
Q: Which of the IP addresses below do I put into lookingglass to gather data?

Given that these all died as follows:
 $ traceroute tempotv.com.tr ==> died on the 23rd hop 
19  82.222.13.145 (82.222.13.145)  262.456 ms 82.222.3.117 (82.222.3.117)  270.129 ms  273.278 ms
20  82.222.13.106 (82.222.13.106)  276.814 ms  276.812 ms  276.797 ms
21  82.222.253.82 (82.222.253.82)  273.131 ms  264.450 ms  247.432 ms
22  82.222.254.210 (82.222.254.210)  247.354 ms  247.362 ms 82.222.224.234 (82.222.224.234)  309.858 ms
23  asy60.asy53.tellcom.com.tr (92.45.53.60)  326.022 ms  329.493 ms  329.483 ms 
24  * * *  (and so on)

 $ traceroute -I www.centos.org ==> died on the 19th (penultimate) hop
15  ae-6-6.ebr2.LosAngeles1.Level3.net (4.69.148.201)  60.128 ms  62.055 ms  63.873 ms
16  ae-3-3.ebr3.Dallas1.Level3.net (4.69.132.78)  64.999 ms  56.867 ms  59.059 ms
17  ae-73-73.csw2.Dallas1.Level3.net (4.69.151.145)  60.437 ms  62.928 ms  57.975 ms
18  ae-2-70.edge3.Dallas1.Level3.net (4.69.145.72)  59.828 ms  55.071 ms  57.122 ms
19  LAYERED-TEC.edge3.Dallas1.Level3.net (4.71.170.6)  56.049 ms  65.838 ms  58.644 ms
20  * * * (and so on)

 $ traceroute www.gu.ac.ir ==> Iran, died on the 22nd hop 
14  rostelecom-ic-300487-ffm-b11.c.telia.net (213.248.96.202)  197.545 ms  197.545 ms  284.625 ms
15  95.167.92.186 (95.167.92.186)  324.490 ms  324.486 ms  324.468 ms
16  95.167.14.198 (95.167.14.198)  378.393 ms  378.393 ms  378.378 ms
17  * * *
18  195.146.33.29 (195.146.33.29)  369.322 ms  369.306 ms  300.357 ms
19  78.38.245.228 (78.38.245.228)  300.263 ms  300.264 ms  306.080 ms
20  78.38.244.250 (78.38.244.250)  290.148 ms  300.201 ms  300.198 ms
21  89.221.87.25 (89.221.87.25)  338.022 ms  338.042 ms  337.997 ms
22  95.38.120.254 (95.38.120.254)  330.673 ms  330.681 ms  330.669 ms
23  * * * (and so on)

 $ traceroute www.gu.edu.pk ==> Pakistan, died on the 19th hop 
10  charter-peer.sv1.layer42.net (69.36.225.18)  45.929 ms  48.200 ms  48.191 ms
11  bbr02snjsca-bue-6.snjs.ca.charter.com (96.34.3.2)  48.173 ms  50.328 ms  52.805 ms
12  bbr01dnvrco-bue-2.dnvr.co.charter.com (96.34.0.3)  81.440 ms  81.442 ms  81.423 ms
13  bbr01olvemo-bue-1.olve.mo.charter.com (96.34.0.145)  112.975 ms  112.900 ms  112.801 ms
14  bbr01blvlil-tge-0-15-0-4.blvl.il.charter.com (96.34.0.111)  129.811 ms  129.811 ms  93.669 ms
15  bbr01atlnga-tge-0-0-0-9.atln.ga.charter.com (96.34.0.120)  122.469 ms  122.468 ms  146.517 ms
16  crr01sghlga-bue-3.sghl.ga.charter.com (96.34.2.71)  123.937 ms  123.943 ms  127.972 ms
17  acr02atlnga-tge-0-0-0-0.atln.ga.charter.com (96.34.72.179)  130.189 ms  132.137 ms  132.136 ms
18  75-131-187-34.static.gwnt.ga.charter.com (75.131.187.34)  129.996 ms  129.998 ms  129.978 ms
19  67.23.161.143 (67.23.161.143)  129.894 ms  129.873 ms  129.859 ms
20  * * * (and so on)

 $ traceroute -m 255 www.tourism.gov.my ==> Malaysia died on the 19th hop
11  gi9-0-0.cr2.nrt1.asianetcom.net (202.147.50.134)  244.797 ms  244.804 ms  244.797 ms
12  ge-0-0-0-0.gw3.nrt4.asianetcom.net (202.147.0.226)  215.347 ms  215.348 ms  220.710 ms
13  61.8.59.22 (61.8.59.22)  267.994 ms  268.004 ms  267.960 ms
14  ge-2-3-0-0.sin-64cbe-1a.ntwk.msn.net (207.46.41.75)  325.436 ms  259.629 ms  259.605 ms
15  10.22.212.213 (10.22.212.213)  217.562 ms 10.22.212.209 (10.22.212.209)  273.695 ms ge-5-2-0-0.sin-64cbe-1b.ntwk.msn.net (207.46.41.26)  265.336 ms
16  10.175.56.241 (10.175.56.241)  265.273 ms * 10.175.56.49 (10.175.56.49)  272.494 ms
17  10.175.61.5 (10.175.61.5)  282.798 ms 10.175.60.7 (10.175.60.7)  248.975 ms 10.241.90.205 (10.241.90.205)  258.597 ms
18  10.78.236.2 (10.78.236.2)  258.541 ms 10.78.220.2 (10.78.220.2)  211.475 ms 10.241.88.59 (10.241.88.59)  220.578 ms
19  * * 10.78.246.2 (10.78.246.2)  239.054 ms
20  * * * (and so on)