I am also experiencing ping issues when I normally do not. Cox customer but also seeing ntt.net server hop delays. Issue happens at same ntt.net server jump that klykodesh mentions above. Relevant section from my tracert:

11 62 ms 60 ms 59 ms ae-2.r24.lsanca07.us.bb.gin.ntt.net [129.250.7.69]
12 159 ms 159 ms 165 ms ae-5.a01.scrmca03.us.bb.gin.ntt.net [129.250.2.7]