Provider: Core-Backbone (AS33891). Source: whois.ripe.net object AS33891.

*********************************************

Upstreams:

———————————————

LEVEL3

———————————————

TELIA

———————————————

*********************************************

Heavy abstraction of accepting routes at peerings

as we do peer at many points with many networks and

do apply filter with their AS-SET, apply filters for

more specific than /24 prefixes, have max-prefix

filters applied, but we do not want to maintain always

a list here:

Also, we do filter very strict our customers at

same very hard level.

———————————————

Customers:

———————————————

———————————————

Peerings:

———————————————

———————————————

*********************************************

** BGP communities for Core-Backbone customers **

****************************************************

Origin communities on received routes:

33891:33890 BLACKHOLE Community

33891:33891 Routes learned at Core-Backbone 33891

33891:33892 Routes learned at Customers/Downstreams

33891:33893 Routes learned at Private/Publicpeering

33891:33900 Routes learned at Private Peerings

—————————————————-

33891:33894 Routes learned at NIX, Germany

33891:33895 Routes learned at DECIX, FRA, Germany

33891:33896 Routes learned at LINX, England

33891:33897 Routes learned at AMSIX, The Netherlands

33891:33898 Routes learned at SWISSIX, Switzerland

33891:33899 Routes learned at VIX, Austria

33891:33901 Routes learned at PEERINGCZ, Czech Republic

33891:33902 Routes learned at HOPUS, Germany

33891:33903 Routes learned at DECIX, NYK, United States

33891:33904 Routes learned at NYIIX, United States

33891:33905 Routes learned at ECIX-DUS, Germany

33891:33906 Routes learned at FRANCEIX, France

33891:33907 Routes learned at NETNOD, Sweden

33891:33908 Routes learned at NIX, Czech Republic

33891:33909 Routes learned at SAIX, Austria

33891:33910 Routes learned at EQUINIX, Singapore

33891:33911 Routes learned at BCIX, Germany

33891:33912 Routes learned at COMMUNITY IX, Germany

33891:33913 Routes learned at DECIX, DUS, Germany

33891:33914 Routes learned at DECIX, MUC, Germany

33891:33915 Routes learned at DECIX, HAM, Germany

33891:33916 Routes learned at DECIX, MAD, Spain

33891:33917 Routes learned at STHIX, COP, Denmark

33891:33918 Routes learned at ESPANIX, MAD, Spain

33891:33919 Routes learned at STG-IX, STG, Germany

33891:33920 Routes learned at MIX-IT, MIL, Italy

****************************************************

Prepend communities for advertising routes:

33891:400X Routes announced to NIX, Germany

33891:500X Routes announced to DECIX, FRA, Germany

33891:600X Routes announced to LINX, England

33891:700X Routes announced to AMSIX, The Netherlands

33891:800X Routes announced to SWISSIX, Switzerland

33891:900X Routes announced to VIX, Austria

33891:1000X Routes announced to PEERINGCZ, Czech Republic

33891:1100X Routes announced to HOPUS, GERMANY

33891:1200X Routes announced to DECIX, NYK, United States

33891:1300X Routes announced to NYIIX, United States

33891:1400X Routes announced to ECIX-DUS, Germany

33891:1500X Routes announced to FRANCEIX, France

33891:1600X Routes announced to NETNOD, Sweden

33891:1700X Routes announced to NIX, Czech Republic

33891:1800X Routes announced to SAIX, Austria

33891:1900X Routes announced to EQUINIX, Singapore

33891:2000X Routes announced to BCIX, Germany

33891:2100X Routes announced to COMMUNITY IX, Germany

33891:2200X Routes announced to DECIX, DUS, Germany

33891:2300X Routes announced to DECIX, MUC, Germany

33891:2400X Routes announced to DECIX, HAM, Germany

33891:2500X Routes announced to DECIX, MAD, Spain

33891:2600X Routes announced to STHIX, COP, Danmark

33891:2700X Routes announced to ESPANIX, MAD, Spain

33891:2800X Routes announced to STGIX, STG, Germany

33891:2900X Routes announced to MIX-IT, MIL, Italy

—————————————————

X stands for 1-3 prepends or 0 for do not annouce

****************************************************

The above information was collected from whois.ripe.net, using
object “AS33891” on 2026-11-09