Alter.net and Verio peering in Sacramento?

[Mathew Butler <mbutler () tonbu com>]

Heya, I'm getting a huge jump in ping times from alter.net to Verio in what
appears to be Sacramento:

Type escape sequence to abort.
Tracing the route to 198.107.19.34

  1 border7.s4-2.tonbu-1.sfj.pnap.net (216.52.2.25) 0 msec 4 msec 0 msec
  2 core2.ge0-1-bbnet2.sfj.pnap.net (216.52.0.66) 0 msec 0 msec 4 msec
  3 POS3-0.GW2.SJC2.ALTER.NET (157.130.235.65) 4 msec 4 msec 0 msec
  4 146.ATM2-0.XR2.SFO4.ALTER.NET (152.63.53.110) 12 msec 4 msec 4 msec
  5 190.at-2-0-0.XR2.SAC1.ALTER.NET (152.63.50.49) 8 msec 8 msec 4 msec
  6 184.ATM6-0.BR2.SAC1.ALTER.NET (152.63.52.85) 4 msec 4 msec 8 msec
  7 a3-1-0-0c1.r00.scrmca01.us.bb.verio.net (129.250.9.97) 368 msec 368 msec
380
 msec
  8 p4-1-1-0.r01.scrmca01.us.bb.verio.net (129.250.3.18) 368 msec 368 msec
372 m
sec
  9 p4-1-1-0.r02.ptldor01.us.bb.verio.net (129.250.2.33) 368 msec 376 msec
372 m
sec
 10 ge-1-0-0.r01.ptldor01.us.ra.verio.net (129.250.31.197) 360 msec 360 msec
364
 msec
 11 hs-0-1-0.a01.smrwor01.us.ra.verio.net (129.250.55.122) 360 msec 356 msec
344
 msec
 12 199.238.235.2 344 msec 380 msec 496 msec
 13 10.20.1.15 372 msec *  400 msec
 14 198.107.19.34 392 msec *  400 msec

Any idea what's causing that?  (Or is Alter.net just not on Verio's list of
preferred peers?)

-Mat Butler
Systems Engineer
Tonbu, Inc