I went to my old Mac Pro 5,1 and checked the ethernet setting there with Trace route.
Below is what I found out.
Quadro:~ Steve$ traceroute 1.1.1.1
traceroute to 1.1.1.1 (1.1.1.1), 64 hops max, 52 byte packets
1 192.168.1.1 (192.168.1.1) 1.001 ms 0.519 ms 0.453 ms
2 142-254-218-157.inf.spectrum.com (142.254.218.157) 12.497 ms 8.020 ms 7.320 ms
3 lag-63.spptnyac01h.netops.charter.com (24.58.232.89) 25.602 ms 18.581 ms 18.819 ms
4 lag-24.mcr11riganyaa.netops.charter.com (24.58.50.42) 7.719 ms 8.117 ms 9.878 ms
5 lag-45.mcr11hnrtnyaf.netops.charter.com (24.58.39.244) 12.138 ms 12.267 ms 12.926 ms
6 lag-28.rcr01albynyyf.netops.charter.com (24.58.32.70) 19.216 ms 18.536 ms 18.984 ms
7 lag-16.nycmny837aw-bcr00.netops.charter.com (66.109.6.74) 26.231 ms
lag-416.nycmny837aw-bcr00.netops.charter.com (66.109.6.10) 27.902 ms 26.731 ms
8 lag-0.pr2.nyc20.netops.charter.com (66.109.5.119) 26.705 ms 29.510 ms
lag-1.pr2.nyc20.netops.charter.com (66.109.9.5) 26.396 ms
9 * 162.158.61.22 (162.158.61.22) 28.010 ms *
10 162.158.152.5 (162.158.152.5) 26.971 ms
172.70.108.4 (172.70.108.4) 27.199 ms
172.70.228.4 (172.70.228.4) 26.783 ms
11 * * *
12 * * *
13 * * *