Re: Puerto Rico just lost internet?

[Colin Johnston <colinj () gt86car org uk>]

one ripe atlas probe is still green though


Probe ID20057IPv4 ASNAS5786 <https://stat.ripe.net/AS5786>IPv4 Prefix136.145.0.0/16 
<https://stat.ripe.net/136.145.0.0%2F16>IPv6 ASNAS65003 <https://stat.ripe.net/AS65003>IPv6 
Prefix2607:2000:100:116::/64 <https://stat.ripe.net/2607%3A2000%3A100%3A116%3A%3A%2F64>CountryPRConnected since:  
2017-09-12 16:17:06 UTC


> On 21 Sep 2017, at 05:26, Mehmet Akcin <mehmet () akcin net> wrote:
>
> Things are getting only worst so far - most of the island is offline - see
> the screenshot or the link here live https://stat.ripe.net/PR#tabId=routing
>
> On Wed, Sep 20, 2017 at 8:29 PM, Javier J <javier () advancedmachines us>
> wrote:
>
> > Thank you for this info!
> >
> >
> > I think most of us kind of know there are backup power strategies in place
> > but this is very detailed and appreciated. The little communication I have
> > had with family on the island they tell me no internet, no cable tv, etc so
> > this timing is good to know for when the few cell towers that survived
> > start to go dark.
> >
> > - J
> >
> >
> >
> > On Wed, Sep 20, 2017 at 4:36 PM, Sean Donelan <sean () donelan com> wrote:
> >
> > > On Wed, 20 Sep 2017, Javier J wrote:
> > >
> > > > How long usually till generators at cell sites run out of juice?
> > >
> > > Rough, every provider is different, backup power hierarchy:
> > >
> > > Neighborhood pole boxes: 1-4 hours, batteries only. May be re-charged
> > with
> > > portable generators when safe to access area. There is likely severe
> > > physical damage to neighborhood lines.
> > >
> > > Cell towers: 8-12 hours battery. Some, not all, towers have a natural gas
> > > generator or 24 hours diesel generator
> > >
> > > Central offices and cable headends: 8-12 hours battery, 1-3 days diesel
> > > generators. Core, tandem, and hub sites usually have more backup.
> > >
> > > Major colocation data centers: <1 hour battery, 3-14 days diesel
> > generators
> > > Submarine cable landing points and satellite control stations: 24 hours
> > > battery, 30 days diesel generators