The issue here is that this outage was a result of all the routes into their dat...

gamacodre on Oct 4, 2021 | parent | context | favorite | on: Facebook-owned sites were down

The issue here is that this outage was a result of all the routes into their data centers being cut off (seemingly from the inside). So knowing that one of the servers in there is at IP address "1.2.3.4" doesn't help, because no-one on the outside even knows how to send a packet to that server anymore.