[outages] Spectrum DFW routing issues

David Eddleman david.eddleman at gmail.com
Tue Jun 15 21:35:47 EDT 2021


Looks like there's a router in Dallas that's dropping certain
routes. 96.34.3.69 seems to have issues forwarding certain connections
along.

C:\Users\David>tracert 63.97.76.216

Tracing route to 63.97.76.216 over a maximum of 30 hops

  1    <1 ms     1 ms    <1 ms  192.168.1.1
  2     *        *        *     Request timed out.
  3    10 ms    10 ms    10 ms  159-111-145-012.res.spectrum.com
[159.111.145.12]
  4    13 ms    14 ms    10 ms  crr01ftwotx-bue-4.ftwo.tx.charter.com
[96.34.113.116]
  5    14 ms    11 ms    15 ms  bbr01dllstx-bue-2.dlls.tx.charter.com
[96.34.2.32]
  6    12 ms    11 ms    12 ms  prr01dllstx-bue-3.dlls.tx.charter.com
[96.34.3.69]
  7     *        *        *     Request timed out.
  8     *        *        *     Request timed out.
  9     *        *        *     Request timed out.

And just to prove it's not a one-network issue:

C:\Users\David>tracert 204.2.229.106

Tracing route to 204.2.229.106 over a maximum of 30 hops

  1    <1 ms    <1 ms    <1 ms  192.168.1.1
  2     *        *        *     Request timed out.
  3    18 ms     9 ms     9 ms  159-111-145-012.res.spectrum.com
[159.111.145.12]
  4    10 ms    12 ms    15 ms  crr01ftwotx-bue-4.ftwo.tx.charter.com
[96.34.113.116]
  5    26 ms    15 ms    22 ms  bbr01dllstx-bue-2.dlls.tx.charter.com
[96.34.2.32]
  6    12 ms    13 ms    12 ms  prr01dllstx-bue-3.dlls.tx.charter.com
[96.34.3.69]
  7     *        *        *     Request timed out.
  8     *        *        *     Request timed out.
  9     *        *        *     Request timed out.

C:\Users\David>tracert 204.2.229.88

Tracing route to 204.2.229.88 over a maximum of 30 hops

  1    <1 ms    <1 ms    <1 ms  192.168.1.1
  2     *        *        *     Request timed out.
  3    10 ms    17 ms     9 ms  159-111-145-012.res.spectrum.com
[159.111.145.12]
  4    11 ms    10 ms    10 ms  crr01ftwotx-bue-4.ftwo.tx.charter.com
[96.34.113.116]
  5    17 ms    15 ms    15 ms  bbr01dllstx-bue-2.dlls.tx.charter.com
[96.34.2.32]
  6    14 ms    15 ms    13 ms  prr01dllstx-bue-3.dlls.tx.charter.com
[96.34.3.69]
  7     *        *        *     Request timed out.
  8     *        *        *     Request timed out.
  9     *        *        *     Request timed out.

C:\Users\David>tracert 195.82.50.9

Tracing route to 195.82.50.9 over a maximum of 30 hops

  1    <1 ms    <1 ms    <1 ms  192.168.1.1
  2     *        *        *     Request timed out.
  3     9 ms     9 ms     8 ms  159-111-145-012.res.spectrum.com
[159.111.145.12]
  4    14 ms    17 ms    15 ms  crr01ftwotx-bue-4.ftwo.tx.charter.com
[96.34.113.116]
  5    14 ms    15 ms    15 ms  bbr01dllstx-bue-2.dlls.tx.charter.com
[96.34.2.32]
  6    11 ms    11 ms    11 ms  prr01dllstx-bue-3.dlls.tx.charter.com
[96.34.3.69]
  7     *        *        *     Request timed out.
  8     *        *        *     Request timed out.
  9     *        *        *     Request timed out.

Bizarrely, portions of some of those networks are reachable.

C:\Users\David>tracert 204.2.229.107

Tracing route to 204.2.229.107 over a maximum of 30 hops

  1     1 ms     4 ms    <1 ms  192.168.1.1
  2     *        *        *     Request timed out.
  3    10 ms    15 ms    17 ms  159-111-145-012.res.spectrum.com
[159.111.145.12]
  4    15 ms    12 ms     9 ms  crr01ftwotx-bue-4.ftwo.tx.charter.com
[96.34.113.116]
  5    13 ms    15 ms    15 ms  bbr01dllstx-bue-2.dlls.tx.charter.com
[96.34.2.32]
  6    16 ms    11 ms    11 ms  prr01dllstx-bue-3.dlls.tx.charter.com
[96.34.3.69]
  7    10 ms    12 ms    10 ms  dls-b23-link.ip.twelve99.net [62.115.180.82]
  8    11 ms    10 ms    10 ms  ntt-ic325660-dls-b23.ip.twelve99-cust.net
[62.115.156.249]
  9    11 ms    12 ms    16 ms  ae-7.r25.dllstx09.us.bb.gin.ntt.net
[129.250.5.25]
 10    49 ms    47 ms    48 ms  ae-2.r25.snjsca04.us.bb.gin.ntt.net
[129.250.4.154]
 11    47 ms    75 ms    51 ms  ae-5.r24.snjsca04.us.bb.gin.ntt.net
[129.250.3.146]
 12    52 ms    50 ms    54 ms  ae-4.r00.scrmca02.us.bb.gin.ntt.net
[129.250.7.57]
 13    53 ms    52 ms    67 ms  xe-0-1-0-1-1.r00.scrmca02.us.ce.gin.ntt.net
[192.80.16.2]
 14    51 ms     *       51 ms  204.2.229.234
 15    52 ms    53 ms    50 ms  204.2.229.107

Trace complete.

Already let Spectrum know after having to jump through some hoops, but if
anyone is experiencing similar behavior let me know and I can give you a
contact to reach out to.

David Eddleman
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