Izgleda neki kurslus kod njih:
Code:
$ host rs.sputniknews.com 8.8.8.8
rs.sputniknews.com has address 178.248.237.242
$ telnet rs.sputniknews.com 443
Trying 178.248.237.242 ...
<Ctrl-C>
$ telnet route-views.routeviews.org
route-views>show ip bgp 178.248.237.242
BGP routing table entry for 178.248.236.0/23, version 402560754
Paths: (23 available, best #19, table default)
Not advertised to any peer
Refresh Epoch 1
3303 3356 197068 197068 197068
217.192.89.50 from 217.192.89.50 (138.187.128.158)
Origin IGP, localpref 100, valid, external
Community: 3303:1004 3303:1006 3303:3052 3356:2 3356:22 3356:100 3356:123 3356:501 3356:901 3356:2065 3356:10725 65000:64990 65001:174 65001:3320 65001:35994 65002:3257
path 7FE13D483B50 RPKI State valid
rx pathid: 0, tx pathid: 0
Refresh Epoch 1
701 3356 197068 197068 197068
137.39.3.55 from 137.39.3.55 (137.39.3.55)
Origin IGP, localpref 100, valid, external
path 7FE035F30488 RPKI State valid
rx pathid: 0, tx pathid: 0
...
route-views>traceroute 178.248.237.242
Type escape sequence to abort.
Tracing the route to 178.248.237.242
VRF info: (vrf in name/id, vrf out name/id)
1 vl-51-gw.uoregon.edu (128.223.51.1) [AS 3582] 2 msec 1 msec 2 msec
2 vl-51-gw.uoregon.edu (128.223.51.1) [AS 3582] 1 msec 1 msec 1 msec
3 10.252.20.5 [AS 174] 62 msec 1 msec
10.252.19.5 [AS 174] 1 msec
4 10.252.10.249 [AS 174] 1 msec 1 msec 1 msec
5 10.252.9.246 [AS 174] 49 msec
10.252.10.246 [AS 174] 1 msec
10.252.9.250 [AS 174] 1 msec
6 eugn-pe1-gw.nero.net (207.98.68.190) [AS 3701] 1 msec
eugn-pe2-gw.nero.net (207.98.68.226) [AS 3701] 1 msec 1 msec
7 cenic--lon-100ge.cenic.net (137.164.3.102) [AS 3701] 49 msec 54 msec 51 msec
8 eugn-pe1-gw.nero.net (207.98.64.197) [AS 3701] 1 msec
lag-106-91.ear1.SanJose1.Level3.net (4.15.122.45) [AS 3356] 53 msec
eugn-pe1-gw.nero.net (207.98.64.205) [AS 3701] 1 msec
9 cenic--lon-100ge.cenic.net (137.164.3.102) [AS 3701] 49 msec 50 msec *
10 4.7.18.2 [AS 3356] 49 msec
lag-106-91.ear1.SanJose1.Level3.net (4.15.122.45) [AS 3356] 50 msec
4.7.18.2 [AS 3356] 52 msec
11 * * *
12 * 73 msec *
13 * * *
14 * * *
15 * * *
16 * * *
17 * * *
18 * * *
19 * * *
20 * * *
21 *
route-views>quit
Na
https://lookingglass.centurylink.com/ se dobija:
Code:
Tracing route to 178.248.237.242 1 0.0.0.0 (0.0.0.0) * * *
2 CARQUADRIN.bear2.Washington111.Level3.net (4.14.99.138) 6ms 6ms 6ms
3 0.0.0.0 (0.0.0.0) * * *
4 0.0.0.0 (0.0.0.0) * * *
5 0.0.0.0 (0.0.0.0) * * *
Posto se njihov interfejs odaziva [4.14.99.138], to znaci da je njihov ruter izgubio default rutu, jer se ruta ocigledno ispravno oglasava od njih ka Internetu (AS_PATH je validan, a AS197068 pripada Rusima). Da su hteli da ih blokiraju oni bi im zatvorili interfejs i to je to. Vrlo cudno ...