Problemy z internetem na akademiku

Od piątku na akademiku coś dzieje się z internetem. Przykład:

Cytuj:

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C:\Users\xxx>ping google.pl -t
Ping request could not find host google.pl. Please check the name and try again.

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Cytuj:

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Pinging google.pl [185.66.120.38] with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.

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Cytuj:

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Pinging google.pl [216.58.209.67] with 32 bytes of data:
Reply from 216.58.209.67: bytes=32 time=14ms TTL=55
Reply from 216.58.209.67: bytes=32 time=14ms TTL=55
Reply from 216.58.209.67: bytes=32 time=15ms TTL=55
Reply from 216.58.209.67: bytes=32 time=14ms TTL=55

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Różne komunikaty pokazuje. Ocb?