[c-nsp] Traceroute doesn't see ASN

[PlaWanSai RMUTT CPE IX]

Hi all,

                Why some device can see the ASN?

 

RP/0/RP0/CPU0:R2-CRS#traceroute 

Wed Mar 12 14:14:00.237

Protocol [ipv4]: ipv4

Target IP address: www.facebook.com

Source address: 

Numeric display? [no]: 

Timeout in seconds [3]: 

Probe count [3]: 

Minimum Time to Live [1]: 

Maximum Time to Live [30]: 

Port Number [33434]: 

Loose, Strict, Record, Timestamp, Verbose[none]: 

 

Type escape sequence to abort.

Tracing the route to 31.13.79.96

 

1  x.19.7.53 3 msec  3 msec  0 msec 

 2  x.19.7.114 3 msec  3 msec 

    x.19.7.214 0 msec 

 3  x.19.9.158 30 msec  31 msec  28 msec 

 4   *  * 

    x.19.9.226 31 msec 

 5   *  *  * 

 6   *  *  * 

 7   *  *  * 

 8   *  *  * 

 

RP/0/RP0/CPU0:R4-CRS#traceroute 

Wed Mar 12 14:27:33.713

Protocol [ipv4]: ipv4

Target IP address: www.facebook.com

Source address: 

Numeric display? [no]: 

Timeout in seconds [3]: 

Probe count [3]: 

Minimum Time to Live [1]: 

Maximum Time to Live [30]: 

Port Number [33434]: 

Loose, Strict, Record, Timestamp, Verbose[none]: 

 

Type escape sequence to abort.

Tracing the route to 31.13.79.96

 

1  x.19.7.97 4 msec  3 msec  0 msec 

 2  x.19.14.130 0 msec  0 msec 

    x.19.14.134 0 msec 

 3  x.19.14.22 3 msec 

    x.19.14.142 0 msec 

    x.19.14.14 0 msec 

 4  x.19.9.226 31 msec  34 msec  32 msec 

 5   *  *  * 

 6   *  *  * 

 7   * 

 

RP/0/RP0/CPU0:R1-CRS#traceroute 

Wed Mar 12 14:27:54.673

Protocol [ipv4]: ipv4

Target IP address: www.facebook.com

Source address: 

Numeric display? [no]: 

Timeout in seconds [3]: 

Probe count [3]: 

Minimum Time to Live [1]: 

Maximum Time to Live [30]: 

Port Number [33434]: 

Loose, Strict, Record, Timestamp, Verbose[none]: 

 

Type escape sequence to abort.

Tracing the route to 31.13.79.96

 

1   * 

    x.19.9.158 31 msec  31 msec 

 2  x.79.197.65 27 msec  27 msec  27 msec 

 3  x.13.31.229 27 msec  29 msec  28 msec 

 4  edge-star-shv-09-sin1.facebook.com (31.13.79.96) 27 msec  27 msec  27
msec 

 

RP/0/RP0/CPU0:R3-CRS#traceroute 

Wed Mar 12 14:28:24.422

Protocol [ipv4]: ipv4

Target IP address: www.facebook.com

Source address: 

Numeric display? [no]: 

Timeout in seconds [3]: 

Probe count [3]: 

Minimum Time to Live [1]: 

Maximum Time to Live [30]: 

Port Number [33434]: 

Loose, Strict, Record, Timestamp, Verbose[none]: 

 

Type escape sequence to abort.

Tracing the route to 31.13.79.96

 

1   * 

    x.19.7.81 0 msec  0 msec 

 2  x.19.7.126 2 msec  1 msec 

    x.19.7.130 3 msec 

 3  x.19.9.158 31 msec 

    x.19.9.150 30 msec 

    x.19.9.158 30 msec 

 4   *  *  * 

 5   *  *  * 

 6   *  * 

 

Microsoft Windows [Version 6.1.7601]

Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

 

C:\Users\Tat>tracert 31.13.79.96

 

Tracing route to edge-star-shv-09-sin1.facebook.com [31.13.79.96]

over a maximum of 30 hops:

 

  1    31 ms    31 ms    14 ms  x.47.249.65

  2    19 ms    19 ms    19 ms  x.47.250.177

  3    <1 ms    <1 ms    <1 ms  x.47.247.181

  4    <1 ms    <1 ms    <1 ms  x.47.247.102

  5    49 ms    64 ms    49 ms  x.79.197.65

  6    44 ms    29 ms    29 ms  x.13.31.229]

  7    46 ms    46 ms    28 ms  edge-star-shv-09-sin1.facebook.com
[31.13.79.96]

 

Trace complete.

 

C:\Users\Tat>

 

R3-Kty>tr 31.13.79.96

 

Type escape sequence to abort.

Tracing the route to edge-star-shv-09-sin1.facebook.com (31.13.79.96)

 

  1 x.19.9.150 28 msec 36 msec 32 msec

  2 x.79.197.65 32 msec 32 msec 28 msec

  3 x.13.31.229 [AS 32934] 40 msec 36 msec 32 msec

  4 edge-star-shv-09-sin1.facebook.com (31.13.79.96) [AS 32934] 32 msec 32
msec 28 msec

 

Thank you very much.