Traceroute to google.com hops through a couple hosts with private IPs I don’t know about. Is this weird? how can I find out what those hosts are?

Traceroute to google.com seems to hop through a couple hosts with private IPs I don’t know about (192.168.66.233 and 192.168.0.21).
Network Topology

Traceroute output (google.com)
1 192.168.2.1 (192.168.2.1) 8.918 ms 3.368 ms 1.940 m… Continue reading Traceroute to google.com hops through a couple hosts with private IPs I don’t know about. Is this weird? how can I find out what those hosts are?