O:\>ping 4.2.2.1

 

Pinging 4.2.2.1 with 32 bytes of data:

Reply from 4.2.2.1: bytes=32 time=36ms TTL=56

Reply from 4.2.2.1: bytes=32 time=44ms TTL=56

Reply from 4.2.2.1: bytes=32 time=36ms TTL=56

Reply from 4.2.2.1: bytes=32 time=38ms TTL=56

 

Ping statistics for 4.2.2.1:

    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

    Minimum = 36ms, Maximum = 44ms, Average = 38ms

 

Same for 4.2.2.2

 

-----Original message-----
From: Mel Beckman <mel@beckman.org>
Sent: Sun 01-12-2025 06:07 pm
Subject: Level3 4.2.2.1 and 4.2.2.2 not responding to pings, DNS queries work
To: nanog@nanog.org;
I noticed that Level3 open DNS 4.2.2.1 and 4.2.2.2 stopped responding to ping today. They are responding to DNS queries however.

Does anyone know if this filtering is going to be permanent?

-mel beckman