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 <meh...@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 <jav...@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 <s...@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 >>> >>> >>
