There appears to be a routing issue on the gblon02 pop. This is a traceroute from an external address to an address behind the gblon02 pop: 9. ge-9-26.car4.NewYork1.Level3.net 0.0% 23 365.1 845.0 168.5 1221. 301.5 10. 2001:1900:19:5::3 0.0% 23 360.8 805.8 94.7 1064. 291.6 11. vl-4086.edge3.London1.Level3.net 0.0% 23 376.9 819.0 138.1 1137. 304.4 12. vl-4081.edge4.London1.Level3.net 0.0% 23 382.9 816.0 139.4 1099. 304.2 13. vl-4060.edge4.Amsterdam1.Level3. 0.0% 23 391.0 811.1 134.2 1097. 296.8 14. GOSCOMB-TEC.edge4.Amsterdam1.Lev 0.0% 23 513.9 811.2 133.0 1107. 285.8 15. ge-1-0-9-1368.rt0.thn.uk.goscomb 0.0% 23 540.0 805.7 156.8 1120. 282.4 16. ge-1-2-2.rt0.the.uk.goscomb.net 0.0% 22 536.9 815.0 180.9 1112. 288.1 17. xe-0-1-0.cs0.thw.uk.goscomb.net 18.2% 22 597.0 828.9 236.8 1111. 261.0 18. gblon02.sixxs.net 0.0% 22 524.3 808.8 230.2 1107. 283.9 19. ge-0-0-5-20.cs0.thw.uk.goscomb.n 22.7% 22 544.0 797.2 242.6 1076. 304.4 20. gblon02.sixxs.net 0.0% 22 549.2 798.0 250.4 1115. 288.1 21. ge-0-0-5-20.cs0.thw.uk.goscomb.n 13.6% 22 552.4 801.4 264.7 1097. 292.0 22. gblon02.sixxs.net 4.8% 22 786.0 826.8 243.2 1092. 275.2 23. ge-0-0-5-20.cs0.thw.uk.goscomb.n 10.0% 21 259.8 847.6 243.7 1087. 295.4 24. gblon02.sixxs.net 15.0% 21 249.6 834.9 249.6 1113. 290.4 25. ge-0-0-5-20.cs0.thw.uk.goscomb.n 20.0% 21 227.6 755.9 211.3 1089. 329.1 26. gblon02.sixxs.net 5.0% 21 220.1 824.9 220.1 1115. 289.8 27. ge-0-0-5-20.cs0.thw.uk.goscomb.n 25.0% 21 259.7 812.9 242.1 1076. 308.9 28. gblon02.sixxs.net 15.0% 21 291.6 789.5 237.4 1113. 319.9 29. ge-0-0-5-20.cs0.thw.uk.goscomb.n 10.0% 21 569.0 817.9 251.0 1093. 285.2 30. gblon02.sixxs.net 25.0% 21 265.7 814.2 265.7 1117. 291.5 The problem is visible between hop 18 and 30. Kind regards, Bert