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Periods of high latency & extremely slow speeds

Problem seems to have started popping up last tThursday, but since then my house seems to have periods of time where the network speed slows the a crawl and I'm barely able to use the network (and definitely unable to run any multiplayer games). I've tried a bunch of different simple fixes but to no avail, so I'm at a loss on what I should try next.

Setup information:

  • Modem/Router: AC1750 Wifi Cable Modem Model
  • Wiring: Underground, resedential neighborhood 
  • Affected Connections: Wired and wireless 
  • Normal Speeds (wired): ~50 to 100 mbps download and 30ish upload
  • Speeds during a bout of slowness: ~0.3 mbps download and 0.6 mbps upload

What I've tried already

  • Resetting the modem/router (on my end)
  • Factory resetting the modem/router , netgear admin page shows connection is 'good'
  • Unplugging the modem/router and waiting 3-5 minutes to plug back in
  • Resetting the modem/router (on coxs end)
  • Disabling wireless and testing only my wired connection

Useful info?

I noticed in this thread a guy says anything over 1-2ms on a ping to 192.168.0.1 is a problem, and here is my ping output:

Pinging 192.168.0.1 with 32 bytes of data:
Reply from 192.168.0.1: bytes=32 time=6ms TTL=64
Reply from 192.168.0.1: bytes=32 time=3ms TTL=64
Reply from 192.168.0.1: bytes=32 time=10ms TTL=64
Reply from 192.168.0.1: bytes=32 time=7ms TTL=64

Ping statistics for 192.168.0.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 3ms, Maximum = 10ms, Average = 6ms

Here is also my connection information which I grabbed from my netgear admin panel:

Downstream Bonded Channels
Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables UnCorrectables
1 Locked QAM 256 9 831000000 Hz 13.3 dBmV 38.6 dB 310 0
2 Locked QAM 256 10 837000000 Hz 13.1 dBmV 38.6 dB 324 0
3 Locked QAM 256 11 843000000 Hz 13.4 dBmV 38.9 dB 237 0
4 Locked QAM 256 12 849000000 Hz 13.0 dBmV 38.9 dB 246 0
5 Locked QAM 256 13 855000000 Hz 13.3 dBmV 38.9 dB 203 0
6 Locked QAM 256 14 861000000 Hz 13.1 dBmV 38.9 dB 196 0
7 Locked QAM 256 15 867000000 Hz 13.5 dBmV 38.9 dB 131 0
8 Locked QAM 256 16 873000000 Hz 13.0 dBmV 38.9 dB 128 0
9 Locked QAM 256 25 927000000 Hz 13.0 dBmV 38.9 dB 40 0
10 Locked QAM 256 26 933000000 Hz 12.9 dBmV 38.9 dB 47 0
11 Locked QAM 256 27 939000000 Hz 12.4 dBmV 38.6 dB 49 0
12 Locked QAM 256 28 945000000 Hz 11.9 dBmV 38.9 dB 52 0
13 Locked QAM 256 29 951000000 Hz 12.0 dBmV 38.6 dB 28 0
14 Locked QAM 256 30 957000000 Hz 12.0 dBmV 38.9 dB 9 0
15 Locked QAM 256 31 963000000 Hz 12.5 dBmV 40.3 dB 2 0
16 Locked QAM 256 32 969000000 Hz 12.3 dBmV 38.9 dB 8 0

Upstream Bonded Channels
Channel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power
1 Locked ATDMA 4 2560 Ksym/sec 18400000 Hz 44.3 dBmV
2 Locked ATDMA 3 5120 Ksym/sec 23300000 Hz 44.3 dBmV
3 Locked ATDMA 2 5120 Ksym/sec 29800000 Hz 44.3 dBmV
4 Locked ATDMA 1 5120 Ksym/sec 36300000 Hz 44.3 dBmV

Lastly, here's a tracert of google.com:

Tracing route to google.com [2607:f8b0:4007:80d::200e]
over a maximum of 30 hops:

1 4 ms 9 ms 6 ms 2600:8801:2980:81d:a02:8eff:fec6:6662
2 245 ms 119 ms 318 ms 2600:8801:29ff:ffff::1111
3 427 ms * 82 ms 2001:578:601:fffc:500::1c
4 24 ms 143 ms 30 ms 2001:578:604::1a
5 65 ms 48 ms 42 ms 2001:578:1:0:172:17:249:79
6 59 ms 110 ms 77 ms 2001:578:20:c100::5:1
7 184 ms 235 ms 48 ms 2001:4860:0:1004::e
8 43 ms 89 ms 59 ms 2001:4860::c:4001:13cf
9 45 ms 49 ms 309 ms 2001:4860::c:4000:de3d
10 215 ms 49 ms 332 ms 2001:4860::1:0:c432
11 * 78 ms 132 ms 2001:4860:0:110d::1
12 185 ms 94 ms 36 ms 2001:4860:0:1::1f01
13 372 ms 259 ms 50 ms lax28s10-in-x0e.1e100.net [2607:f8b0:4007:80d::200e]

Trace complete.

Any ideas on what I should try?