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A comment on 911 emergency services go down across the US after CenturyLink outage. Parent comment

Re:911 emergency services go down across the US after Centur... by jrwr on Friday December 28, 2018 @05:19PM (#18779933)
Trace route can help with that somewhat, I've noticed that a few times with redundant connections
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Re:911 emergency services go down across the US after Centur... by kortilla on Friday December 28, 2018 @06:01PM (#18780196)
The problem with traceroute is that it won’t show that two different ISPs are leasing strands out of the same bundle.

All of the unexpected shared infra issues I’ve observed have been down at this lower level that never shows up at the IP layer.

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Re:911 emergency services go down across the US after Centur... by nickpsecurity on Friday December 28, 2018 @06:54PM (#18780474)
Is there a directory or service one can use to get that information?
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Re:911 emergency services go down across the US after Centur... by chucky_z on Friday December 28, 2018 @07:05PM (#18780527)
In my experience this exists for ISPs, but it's not easily available. I've used ISP brokers in the past and they've had this information in some proprietary systems when I've asked for quotes and proposals.
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Re:911 emergency services go down across the US after Centur... by walrus on Friday December 28, 2018 @09:04PM (#18781254)
My experience corroborates this.

I worked at two small ISPs, each with a fiber network spanning a few US states. They had their own databases to track this information, but as far as I know there was no central database. One of them used OSPInsight backed by a self-hosted SQL Server database. I don't know what the other place used.

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