Routing information (RIS)
  • Does not originate prefixes visible
  • -

Name and holder of this ASN:

CORE-BACKBONE - Core-Backbone GmbH

RIRStatusRegistrationCountry
RIPE NCCALLOCATED2004-09-01DE
Showing results for AS33891 as of 2025-05-06 16:00:00 UTC
  • At 2025-05-06 16:00:00 UTC, AS33891 was visible to 0% of 343 IPv4 and 0% of 347 IPv6 RIS full peers.

First ever seen as origin announcing 83.142.80.0/21, on 2004-09-06 16:00:00 UTC.

Originated IPv4 prefixes: 0
Originated IPv6 prefixes: 0
Observed BGP neighbours: 2133
Address space announced (IPv4): 0 IPs
Address space announced (IPv6): equiv. to 0 /48s

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Showing results for AS33891 as of 2025-05-06 16:00:00 UTC
  • Given query time (2025-05-06 16:00:00 UTC) has been changed because it is earlier than the time there is data available for!
  • abuse@core-backbone.com
Showing results for AS33891
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    • Address space without geographic information: 100.00% (IPv4), 100.00% (IPv6)

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    Showing 0 to 0 of 0 entries
    Showing results for AS33891 as of 2025-05-02 15:46:08 UTC

    (+)(-)

    aut-num33891
    as-nameCORE-BACKBONE
    descrCORE-BACKBONE GMBH GLOBAL NETWORK
    remarksUpstreams:
    remarks---------------------------------------------
    remarksLEVEL3
    importfrom AS3356 accept ANY
    exportto AS3356 announce AS-CORE-BACKBONE
    remarks---------------------------------------------
    remarksTELIA
    importfrom AS1299 accept ANY
    exportto AS1299 announce AS-CORE-BACKBONE
    remarks---------------------------------------------
    remarksHeavy abstraction of accepting routes at peerings
    remarksas we do peer at many points with many networks and
    remarksdo apply filter with their AS-SET, apply filters for
    remarksmore specific than /24 prefixes, have max-prefix
    remarksfilters applied, but we do not want to maintain always
    remarksa list here:
    importfrom AS-ANY accept ANY
    remarksAlso, we do filter very strict our customers at
    remarkssame very hard level.
    remarks---------------------------------------------
    remarksCustomers:
    remarks---------------------------------------------
    exportto AS-CORE-BACKBONE announce ANY
    remarks---------------------------------------------
    remarksPeerings:
    remarks---------------------------------------------
    exportto AS-ANY announce AS-CORE-BACKBONE
    remarks---------------------------------------------
    import-viaAS6777 from AS-ANY EXCEPT AS-CORE-BACKBONE:AS-EXCEPTIONS accept ANY
    export-viaAS6777 to AS-ANY EXCEPT AS-CORE-BACKBONE:AS-EXCEPTIONS announce ANY
    orgORG-IICG1-RIPE
    admin-cCGCR1-RIPE
    tech-cCGCR1-RIPE
    statusASSIGNED
    mnt-byRIPE-NCC-END-MNT
    remarks** BGP communities for Core-Backbone customers
    remarksOrigin communities on received routes:
    remarks33891:33890 BLACKHOLE Community
    remarks33891:33891 Routes learned at Core-Backbone 33891
    remarks33891:33892 Routes learned at Customers/Downstreams
    remarks33891:33893 Routes learned at Private/Publicpeering
    remarks33891:33900 Routes learned at Private Peerings
    remarks----------------------------------------------------
    remarks33891:33894 Routes learned at NIX, Germany
    remarks33891:33895 Routes learned at DECIX, FRA, Germany
    remarks33891:33896 Routes learned at LINX, England
    remarks33891:33897 Routes learned at AMSIX, The Netherlands
    remarks33891:33898 Routes learned at SWISSIX, Switzerland
    remarks33891:33899 Routes learned at VIX, Austria
    remarks33891:33901 Routes learned at PEERINGCZ, Czech Republic
    remarks33891:33902 Routes learned at HOPUS, Germany
    remarks33891:33903 Routes learned at DECIX, NYK, United States
    remarks33891:33904 Routes learned at NYIIX, United States
    remarks33891:33905 Routes learned at ECIX-DUS, Germany
    remarks33891:33906 Routes learned at FRANCEIX, France
    remarks33891:33907 Routes learned at NETNOD, Sweden
    remarks33891:33908 Routes learned at NIX, Czech Republic
    remarks33891:33909 Routes learned at SAIX, Austria
    remarks33891:33910 Routes learned at EQUINIX, Singapore
    remarks33891:33911 Routes learned at BCIX, Germany
    remarks33891:33912 Routes learned at COMMUNITY IX, Germany
    remarks33891:33913 Routes learned at DECIX, DUS, Germany
    remarks33891:33914 Routes learned at DECIX, MUC, Germany
    remarks33891:33915 Routes learned at DECIX, HAM, Germany
    remarks33891:33916 Routes learned at DECIX, MAD, Spain
    remarks33891:33917 Routes learned at STHIX, COP, Denmark
    remarks33891:33918 Routes learned at ESPANIX, MAD, Spain
    remarks33891:33919 Routes learned at STG-IX, STG, Germany
    remarks33891:33920 Routes learned at MIX-IT, MIL, Italy
    remarksPrepend communities for advertising routes:
    remarks33891:400X Routes announced to NIX, Germany
    remarks33891:500X Routes announced to DECIX, FRA, Germany
    remarks33891:600X Routes announced to LINX, England
    remarks33891:700X Routes announced to AMSIX, The Netherlands
    remarks33891:800X Routes announced to SWISSIX, Switzerland
    remarks33891:900X Routes announced to VIX, Austria
    remarks33891:1000X Routes announced to PEERINGCZ, Czech Republic
    remarks33891:1100X Routes announced to HOPUS, GERMANY
    remarks33891:1200X Routes announced to DECIX, NYK, United States
    remarks33891:1300X Routes announced to NYIIX, United States
    remarks33891:1400X Routes announced to ECIX-DUS, Germany
    remarks33891:1500X Routes announced to FRANCEIX, France
    remarks33891:1600X Routes announced to NETNOD, Sweden
    remarks33891:1700X Routes announced to NIX, Czech Republic
    remarks33891:1800X Routes announced to SAIX, Austria
    remarks33891:1900X Routes announced to EQUINIX, Singapore
    remarks33891:2000X Routes announced to BCIX, Germany
    remarks33891:2100X Routes announced to COMMUNITY IX, Germany
    remarks33891:2200X Routes announced to DECIX, DUS, Germany
    remarks33891:2300X Routes announced to DECIX, MUC, Germany
    remarks33891:2400X Routes announced to DECIX, HAM, Germany
    remarks33891:2500X Routes announced to DECIX, MAD, Spain
    remarks33891:2600X Routes announced to STHIX, COP, Danmark
    remarks33891:2700X Routes announced to ESPANIX, MAD, Spain
    remarks33891:2800X Routes announced to STGIX, STG, Germany
    remarks33891:2900X Routes announced to MIX-IT, MIL, Italy
    remarks---------------------------------------------------
    remarksX stands for 1-3 prepends or 0 for do not annouce
    mnt-byCORE-BACKBONE
    created2004-09-01T12:28:10Z
    last-modified2023-07-20T08:19:37Z
    sourceRIPE
    Showing results for AS33891 as of 2025-05-06 22:52:00 UTC