Introduction
The report from renesys states that
"We initially stated that Sudan’s outage began at 12:47 UTC because
that was when virtually all Sudanese routed networks were withdrawn
from the global routing table"
See http://www.renesys.com/2013/09/internet-blackout-sudan/
Sudan has 3 carriers: Sudatel, Zain and Canar
Sudatel |
Zain |
Canar |
|---|---|---|
|
|
|
PingER
PingER was actively monitoring one host in the Sudan. It waswww.sustech.edu (41.67.53.4, AS 37197 Sudan Educational network) at the Sudan University of Science and Technology
From the traceroute it appers to be on the Canar network, see hop 8-11 (on AS 33788/Canar) below:
161cottrell@pinger:~$traceroute -A www.sustech.edu traceroute to www.sustech.edu (41.67.53.4), 30 hops max, 60 byte packets 1 rtr-servcore1-serv01-iepm.slac.stanford.edu (134.79.104.66) [AS3671] 1.090 ms 1.229 ms 1.281 ms 2 rtr-core1-p2p-servcore1.slac.stanford.edu (134.79.252.166) [AS3671] 0.365 ms 0.899 ms 1.079 ms 3 rtr-border1-p2p-core1.slac.stanford.edu (134.79.252.133) [AS3671] 59.613 ms 59.859 ms 60.043 ms 4 slac-mr2-p2p-rtr-border1.slac.stanford.edu (192.68.191.245) [AS3671] 0.416 ms 0.523 ms 0.639 ms 5 * * * 6 eqxsjrt1-te-sunncr5.es.net (134.55.38.146) [AS293] 1.313 ms 1.325 ms 1.512 ms 7 * * * 8 canar.pos3-7.ar01.hkg04.pccwbtn.net (63.218.253.198) [AS3491] 290.867 ms 291.048 ms 291.227 ms 9 196.29.176.222 (196.29.176.222) [AS33788] 292.701 ms 293.577 ms 292.284 ms 10 196.29.176.190 (196.29.176.190) [AS33788] 292.099 ms 293.237 ms 294.367 ms 11 196.29.185.190 (196.29.185.190) [AS33788] 301.945 ms 196.29.167.154 (196.29.167.154) [AS33788] 302.063 ms 196.29.185.190 (196.29.185.190) [AS33788] 301.641 ms 12 41.67.49.10 (41.67.49.10) [AS37197] 279.412 ms 278.940 ms 278.614 ms 13 41.67.52.2 (41.67.52.2) [AS37197] 291.290 ms 291.466 ms 291.458 ms 14 * * *
The PingER plot of the data is seen below: 
Looking at a table of the actual data below:
Unix_time,Date time GMT,min_RTT(ms),avg_RTT(ms),max_RTT(ms),%loss 1380085324,9/25/2013 5:02,280.385,280.936,282.866,0 1380087134,9/25/2013 5:32,281.074,282.962,288.845,0 1380088928,9/25/2013 6:02,280.320,292.474,336.327,0 1380090724,9/25/2013 6:32,280.715,286.028,292.144,0 1380092528,9/25/2013 7:02,281.981,288.808,298.165,9.09090909090909 1380094323,9/25/2013 7:32,281.759,288.019,314.491,0 1380096131,9/25/2013 8:02,281.050,283.917,290.358,0 1380097950,9/25/2013 8:32,0,0,0,100 1380099729,9/25/2013 9:02,280.690,282.218,283.601,0 1380101528,9/25/2013 9:32,281.171,285.518,291.491,0 1380103329,9/25/2013 10:02,281.104,288.021,327.293,0 1380105150,9/25/2013 10:32,0,0,0,100 1380106954,9/25/2013 11:02,0,0,0,100 1380108751,9/25/2013 11:32,0,0,0,100 1380110550,9/25/2013 12:02,0,0,0,100 1380112349,9/25/2013 12:32,0,0,0,100 1380114126,9/25/2013 13:02,270.353,280.918,290.726,0 1380115925,9/25/2013 13:32,226.030,226.951,230.748,0 1380117727,9/25/2013 14:02,226.785,227.393,228.768,0 1380119527,9/25/2013 14:32,227.032,227.950,230.481,0 1380121334,9/25/2013 15:02,227.399,230.987,239.005,0 1380123132,9/25/2013 15:32,282.730,287.740,290.140,0 1380124930,9/25/2013 16:02,281.887,283.951,285.858,0 1380126730,9/25/2013 16:32,281.529,282.192,284.912,0 1380128526,9/25/2013 17:02,281.409,281.822,282.178,0 1380130327,9/25/2013 17:32,281.380,281.844,283.111,0 1380132128,9/25/2013 18:02,281.310,282.324,284.849,0 1380133924,9/25/2013 18:32,281.602,281.866,282.449,0 1380135744,9/25/2013 19:02,281.276,282.206,284.889,0 1380137528,9/25/2013 19:32,281.340,281.844,282.484,0 1380139326,9/25/2013 20:02,281.357,281.642,282.205,0 1380141133,9/25/2013 20:32,281.346,282.205,285.742,0 1380142932,9/25/2013 21:02,281.332,283.323,292.448,0 1380144728,9/25/2013 21:32,281.365,282.475,285.592,0 1380146530,9/25/2013 22:02,281.327,281.523,282.009,0 1380148330,9/25/2013 22:32,281.303,281.542,281.974,0 1380150132,9/25/2013 23:02,281.200,281.577,281.993,0 1380151934,9/25/2013 23:32,281.294,281.630,282.159,0 1380153729,9/26/2013 0:02,281.330,281.694,282.168,0 1380155534,9/26/2013 0:32,281.379,281.812,284.329,0 1380157341,9/26/2013 1:02,281.292,281.650,282.500,0 1380159129,9/26/2013 1:32,281.280,281.621,282.010,0
indicates no connectivity at 10:30 on through 12:30 with connectivity being restored by 13:02.