Why trace after 5 addresses loops on no reply?

Question

Computer networks

Good evening, tell
me I'm writing tracepath yandex.ru
Issues

1?: [LOCALHOST] pmtu 1500
1: 192.168.01
1: 192.168.01
2: 10.10.1.3
3:gw1.netfly.net
4:  nat5.netfly.net
5:  gw.netfly.net
6: no reply... и так до 30

after issues

Too many hops: pmtu 1500
Resume: pmtu 1500

What does it all mean?
Does the packet go through all 30 nodes until it reaches Yandex?
In the example, somehow without no reply it was

Answer 1

In the examples of an ideal world, in real life some providers block ICMP replays on their gateways.
Trace on a toaster :)