I haven't had any lag spikes in the past month but today I had a few, if it helps >
Code:
C:\Windows\System32>tracert 124.150.157.30

Tracing route to 124.150.157.30 over a maximum of 30 hops

  1     1 ms     1 ms    <1 ms  10.0.0.138
  2    25 ms    27 ms    25 ms  ***.18.210.15
  3    25 ms    25 ms    25 ms  ***.18.68.133
  4    26 ms    25 ms    25 ms  bundle-ether4.lon-edge902.melbourne.telstra.net
[203.50.76.12]
  5    26 ms    27 ms    25 ms  bundle-ether11.exi-core1.melbourne.telstra.net [
203.50.11.113]
  6    27 ms    27 ms    26 ms  bundle-ether13.exi-core10.melbourne.telstra.net
[203.50.11.135]
  7    40 ms    41 ms    39 ms  bundle-ether12.chw-core10.sydney.telstra.net [20
3.50.11.124]
  8    41 ms    41 ms    40 ms  bundle-ether19.chw-core2.sydney.telstra.net [203
.50.11.130]
  9    40 ms    41 ms    39 ms  bundle-ether1.oxf-gw2.sydney.telstra.net [203.50
.6.90]
 10    41 ms    38 ms    39 ms  203.50.13.38
 11   188 ms   187 ms   186 ms  i-0-4-0-3.paix-core01.bx.telstraglobal.net [202.
84.140.70]
 12   225 ms   227 ms   226 ms  i-0-2-0-7.eqnx-core01.bi.telstraglobal.net [202.
40.149.38]
 13   230 ms   230 ms   230 ms  unknown.telstraglobal.net [202.40.149.81]
 14     *        *        *     Request timed out.
 15   251 ms   259 ms   251 ms  po4-0-0.cr1.nrt1.asianetcom.net [202.147.0.33]
 16   252 ms   251 ms   251 ms  squareco.asianetcom.net [203.192.149.210]
 17   251 ms   251 ms   250 ms  61.195.56.129
 18   227 ms   226 ms   226 ms  219.117.144.66
 19   227 ms   226 ms   226 ms  219.117.144.53
 20   315 ms   254 ms   226 ms  219.117.144.41
 21   230 ms   313 ms   313 ms  219.117.147.190
 22   228 ms   225 ms   228 ms  124.150.157.30

Trace complete.

C:\Windows\System32>ping 124.150.157.30

Pinging 124.150.157.30 with 32 bytes of data:
Reply from 124.150.157.30: bytes=32 time=226ms TTL=233
Reply from 124.150.157.30: bytes=32 time=227ms TTL=233
Reply from 124.150.157.30: bytes=32 time=230ms TTL=233
Reply from 124.150.157.30: bytes=32 time=227ms TTL=233

Ping statistics for 124.150.157.30:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 226ms, Maximum = 230ms, Average = 227ms