Ping w.x.y.z     
102 packets transmitted, 102 packets received, 0% packets loss
round-trip min/avg/max = 330/332/340 ms

Ping 134.55.208.29
102 packets transmitted, 102 packets received, 0% packets loss
round-trip min/avg/max = 196/213/575 ms

traceroute to w.x.y.z      (w.x.y.z)     , 30 hops max, 40 byte packets
 1 ir1(159.226.8.62) 4ms  1ms  1ms
 2 kernel (159.226.254.141) 1ms  2ms  1ms
 3 ir3 (159.226.1.189) 1ms  2ms  2ms
 4 t1a1-s2-0-1.us-sfo.concert.net (166.49.254.17) 138ms  139ms  139ms
 5 192.205.32.85 (192.205.32.85) 139ms(ttl=247!)  139ms(ttl=247!)  139ms(ttl=247!)
 6 gbr2-a80s14.sffca.ip.att.net(12.123.12.2) 141ms(ttl=247!)  139ms(ttl=247!)  140ms(ttl=247!)
 7 nr1-p360.napsf.ip.att.net(192.205.31.38) 142ms(ttl=246!)  142ms(ttl=246!)  141ms(ttl=246!)
 8 198.32.136.41(198.32.136.41) 142ms(ttl=245!)  141ms(ttl=245!)  141ms(ttl=245!)
 9 134.55.208.34(134.55.208.34) 194ms(ttl=243!)  206ms(ttl=243!)  201ms(ttl=243!)
10 134.55.208.29(134.55.208.29) 196ms(ttl=243!)  197ms(ttl=243!)  196ms(ttl=243!)
11  *  *  *
12  *  *  *
13 w.x.y.z      (w.x.y.z)      332ms(ttl=229!)  *  331ms(ttl=229!)

In the above data, line 11 and 12 may be a firewall is encountered in ESnet or SLAC.