BGPmon.net

@bgpmon

Monitoring the Internet

We have eyes everywhere
bgpmon.net
Vrijeme pridruživanja: lipanj 2010.
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  1. 17. stu 2019.

    Major Internet outages in Iran continues today. This is an example of the BGP routes visible for the "Iran Cell Service and Communication Company (AS44244)" network. As well as observed network traffic from Iran Cell. Note the clear drop at ~ 15:00 UTC Nov 16 in both graphs.

    1 reply 41 proslijeđeni tweet 41 korisnik označava da mu se sviđa
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  2. 1. srp 2019.

    Operating BGP: “It’s more like an 18th-century Royal Navy frigate. There’s a lot of running around and screaming and shouting and pulling on ropes to try to get things going in the right direction.”

    1 reply 25 proslijeđenih tweetova 34 korisnika označavaju da im se sviđa
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  3. proslijedio/la je Tweet
    26. lip 2019.

    The deep-dive into how Verizon and a BGP Optimizer Knocked Large Parts of the Internet Offline Monday

    6 replies 221 proslijeđeni tweet 364 korisnika označavaju da im se sviđa
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  4. proslijedio/la je Tweet
    24. lip 2019.

    Quick write-up on today's widespread Internet outage: This appears to me as a multi-organisational catastrophic failure in both process and technologies.

    89 proslijeđenih tweetova 121 korisnik označava da mu se sviđa
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  5. 24. lip 2019.

    Actually looks like the end time was 12:37 UTC

    8 proslijeđenih tweetova 13 korisnika označava da im se sviđa
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  6. 24. lip 2019.

    Many of the prefixes we new more specifics, indicating this was likely a BGP optimizer leaking routes which were then leaked to and accepted by Verizon. This caused outages for many networks including Cloudflare and Facebook, Amazon, and many more

    46 proslijeđenih tweetova 72 korisnika označavaju da im se sviđa
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  7. 24. lip 2019.

    we can confirm that earlier today there was a large BGP incident, causing 20k prefixes for 2400 network to be rerouted through AS396531 (a steel plant). and then on to its transit provider: Verizon (AS701) Start time: 10:34:21 (UTC) End time: 13:26:07 (UTC)

    16 replies 378 proslijeđenih tweetova 462 korisnika označavaju da im se sviđa
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  8. proslijedio/la je Tweet
    24. lip 2019.

    Here's what an example alert for looked like (using my personal bgpmon test account)

    1 reply 11 proslijeđenih tweetova 23 korisnika označavaju da im se sviđa
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  9. proslijedio/la je Tweet
    24. lip 2019.

    Quick dumps through the data, showing about 2400 ASns (networks) affected. Cloudflare being hit the hardest. Top 20 of affected ASns below

    31 proslijeđeni tweet 37 korisnika označava da im se sviđa
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  10. proslijedio/la je Tweet
    24. lip 2019.

    doing some more digging. For now looking at a debug bgpmon account i have with various popular prefixes. Seeing 'BGP MITM' / 'route leak' alerts for at least many cloudflare prefixes and by the looks of it Facebook as well. 2 examples below:

    22 proslijeđena tweeta 43 korisnika označavaju da im se sviđa
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  11. proslijedio/la je Tweet
    24. lip 2019.

    wow waking up to some BGP madness! Looks like many (all) of AS 13335 prefixes are being rerouted through AS396531 (Allegheny Technologies) and Verizon AS701 is providing that transit via that path! Ugh not good! will dig more ...

    9 replies 132 proslijeđena tweeta 236 korisnika označava da im se sviđa
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  12. 10. ožu 2019.

    Major dip in traffic from Venezuela over the last few days. Big dip started at March 7, 20:55 UTC. Still ongoing.

    73 proslijeđena tweeta 76 korisnika označava da im se sviđa
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  13. 16. velj 2019.

    We are now using as our ROA validator. Thanks for the new CSV export feature and team!

    1 reply 19 proslijeđenih tweetova 54 korisnika označavaju da im se sviđa
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  14. 15. sij 2019.

    Internet in Zimbabwe affected: Mnangagwa’s government accused of blocking WhatsApp and Facebook

    BGP,OT,ZW,Zimbabwe,-,Outage affected 78 prefixes,
    1 reply 12 proslijeđenih tweetova 13 korisnika označava da im se sviđa
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  15. proslijedio/la je Tweet
    28. pro 2018.

    BGP,HJ,hijacked prefix AS32982 192.208.19.0/24, U.S. Department of Energy,-,By AS4812 China Telecom (Group),

    8 replies 172 proslijeđena tweeta 199 korisnika označava da im se sviđa
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  16. proslijedio/la je Tweet
    28. pro 2018.

    Looks like North Korea dropped from the Internet today for a while

    BGP,OT,KP,Korea, Democratic People's Republic of,-,Outage affected 4 prefixes,
    1 reply 11 proslijeđenih tweetova 13 korisnika označava da im se sviđa
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  17. proslijedio/la je Tweet
    28. pro 2018.

    Hhm that’s an odd one ... also see traceroutes here

    BGP,HJ,hijacked prefix AS32982 192.208.19.0/24, U.S. Department of Energy,-,By AS4812 China Telecom (Group),
    1 reply 9 proslijeđenih tweetova 11 korisnika označava da im se sviđa
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  18. proslijedio/la je Tweet
    26. stu 2018.

    China Telecom statement regarding the Google route leak (alleged BGP hijack) that happened two weeks ago: "The content of these reports was lack of factual evidence. The conclusion was ungrounded."

    64 proslijeđena tweeta 60 korisnika označava da im se sviđa
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  19. proslijedio/la je Tweet
    19. stu 2018.

    BGP,HJ,hijacked prefix AS13335 104.18.54.0/24, Cloudflare Inc,-,By AS263903 INFORBARRA TELECOM,

    1 reply 24 proslijeđena tweeta 22 korisnika označavaju da im se sviđa
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  20. proslijedio/la je Tweet
    13. stu 2018.
    Odgovor korisnicima

    We have investigated the advertisement of prefixes through one of our upstream partners. This was an error during a planned network upgrade due to a misconfiguration on our BGP filters. The error was corrected within 74mins & processes put in place to avoid reoccurrence

    33 proslijeđena tweeta 50 korisnika označava da im se sviđa
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