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AS33891 Core-Backbone GmbH

Germany CORE-BACKBONE RIPE 0 IPv4 prefixes 0 IPv6 prefixes
IPv4 addresses
0
IPv6 /48 networks
0
RPKI
0 valid0 no ROA
Peers and downstreams
1986

Holder

AS name
CORE-BACKBONE
Description
CORE-BACKBONE GMBH GLOBAL NETWORK
Organisation
Core-Backbone GmbH
Abuse contact
abuse@core-backbone.com
Assigned
2004-08-31
Registered
2004-09-01
Record last changed
2023-07-20 08:19 UTC
None announced.

Routing changes

Last 30 days
2026-10-04 03:51 UTCNew prefix 660 changes large update, details not stored

WHOIS

aut-num:        AS33891
as-name:        CORE-BACKBONE
descr:          CORE-BACKBONE GMBH GLOBAL NETWORK
remarks:        *********************************************
remarks:        Upstreams:
remarks:        ---------------------------------------------
remarks:        LEVEL3
remarks:        ---------------------------------------------
remarks:        TELIA
remarks:        ---------------------------------------------
remarks:        *********************************************
remarks:        Heavy abstraction of accepting routes at peerings
remarks:        as we do peer at many points with many networks and
remarks:        do apply filter with their AS-SET, apply filters for
remarks:        more specific than /24 prefixes, have max-prefix
remarks:        filters applied, but we do not want to maintain always
remarks:        a list here:
remarks:        Also, we do filter very strict our customers at
remarks:        same very hard level.
remarks:        ---------------------------------------------
remarks:        Customers:
remarks:        ---------------------------------------------
remarks:        ---------------------------------------------
remarks:        Peerings:
remarks:        ---------------------------------------------
remarks:        ---------------------------------------------
import-via:     AS6777 from AS-ANY EXCEPT AS-CORE-BACKBONE:AS-EXCEPTIONS accept ANY
export-via:     AS6777 to AS-ANY EXCEPT AS-CORE-BACKBONE:AS-EXCEPTIONS announce ANY
remarks:        *********************************************
org:            ORG-IICG1-RIPE
admin-c:        CGCR1-RIPE
tech-c:         CGCR1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
remarks:        ** BGP communities for Core-Backbone customers **
remarks:        ****************************************************
remarks:        Origin communities on received routes:
remarks:        33891:33890 BLACKHOLE Community
remarks:        33891:33891 Routes learned at Core-Backbone 33891
remarks:        33891:33892 Routes learned at Customers/Downstreams
remarks:        33891:33893 Routes learned at Private/Publicpeering
remarks:        33891:33900 Routes learned at Private Peerings
remarks:        ----------------------------------------------------
remarks:        33891:33894 Routes learned at NIX, Germany
remarks:        33891:33895 Routes learned at DECIX, FRA, Germany
remarks:        33891:33896 Routes learned at LINX, England
remarks:        33891:33897 Routes learned at AMSIX, The Netherlands
remarks:        33891:33898 Routes learned at SWISSIX, Switzerland
remarks:        33891:33899 Routes learned at VIX, Austria
remarks:        33891:33901 Routes learned at PEERINGCZ, Czech Republic
remarks:        33891:33902 Routes learned at HOPUS, Germany
remarks:        33891:33903 Routes learned at DECIX, NYK, United States
remarks:        33891:33904 Routes learned at NYIIX, United States
remarks:        33891:33905 Routes learned at ECIX-DUS, Germany
remarks:        33891:33906 Routes learned at FRANCEIX, France
remarks:        33891:33907 Routes learned at NETNOD, Sweden
remarks:        33891:33908 Routes learned at NIX, Czech Republic
remarks:        33891:33909 Routes learned at SAIX, Austria
remarks:        33891:33910 Routes learned at EQUINIX, Singapore
remarks:        33891:33911 Routes learned at BCIX, Germany
remarks:        33891:33912 Routes learned at COMMUNITY IX, Germany
remarks:        33891:33913 Routes learned at DECIX, DUS, Germany
remarks:        33891:33914 Routes learned at DECIX, MUC, Germany
remarks:        33891:33915 Routes learned at DECIX, HAM, Germany
remarks:        33891:33916 Routes learned at DECIX, MAD, Spain
remarks:        33891:33917 Routes learned at STHIX, COP, Denmark
remarks:        33891:33918 Routes learned at ESPANIX, MAD, Spain
remarks:        33891:33919 Routes learned at STG-IX, STG, Germany
remarks:        33891:33920 Routes learned at MIX-IT, MIL, Italy
remarks:        ****************************************************
remarks:        Prepend communities for advertising routes:
remarks:        33891:400X Routes announced to NIX, Germany
remarks:        33891:500X Routes announced to DECIX, FRA, Germany
remarks:        33891:600X Routes announced to LINX, England
remarks:        33891:700X Routes announced to AMSIX, The Netherlands
remarks:        33891:800X Routes announced to SWISSIX, Switzerland
remarks:        33891:900X Routes announced to VIX, Austria
remarks:        33891:1000X Routes announced to PEERINGCZ, Czech Republic
remarks:        33891:1100X Routes announced to HOPUS, GERMANY
remarks:        33891:1200X Routes announced to DECIX, NYK, United States
remarks:        33891:1300X Routes announced to NYIIX, United States
remarks:        33891:1400X Routes announced to ECIX-DUS, Germany
remarks:        33891:1500X Routes announced to FRANCEIX, France
remarks:        33891:1600X Routes announced to NETNOD, Sweden
remarks:        33891:1700X Routes announced to NIX, Czech Republic
remarks:        33891:1800X Routes announced to SAIX, Austria
remarks:        33891:1900X Routes announced to EQUINIX, Singapore
remarks:        33891:2000X Routes announced to BCIX, Germany
remarks:        33891:2100X Routes announced to COMMUNITY IX, Germany
remarks:        33891:2200X Routes announced to DECIX, DUS, Germany
remarks:        33891:2300X Routes announced to DECIX, MUC, Germany
remarks:        33891:2400X Routes announced to DECIX, HAM, Germany
remarks:        33891:2500X Routes announced to DECIX, MAD, Spain
remarks:        33891:2600X Routes announced to STHIX, COP, Danmark
remarks:        33891:2700X Routes announced to ESPANIX, MAD, Spain
remarks:        33891:2800X Routes announced to STGIX, STG, Germany
remarks:        33891:2900X Routes announced to MIX-IT, MIL, Italy
remarks:        ---------------------------------------------------
remarks:        X stands for 1-3 prepends or 0 for do not annouce
remarks:        ****************************************************
mnt-by:         CORE-BACKBONE
created:        2004-09-01T12:28:10Z
last-modified:  2023-07-20T08:19:37Z
source:         RIPE
% 7 routing policy lines (import/export) not shown