Report for 33891
Name
CORE-BACKBONE - Core-Backbone GmbH, DE
AS Adjacency Report
In the context of this report "Upstream" indicates that there
is an adjacent AS that lines between the BGP table collection point
(in this case at AS6447) and the specified AS. Similarly,
"Downstream" refers to an adjacent AS that lies beyond the specified
AS. This upstream / downstream categorisation is strictly a description
relative topology, and should not be confused with provider / customer
/ peer inter-AS relationships.
33891 CORE-BACKBONE CORE-BACKBONE GMBH GLOBAL NETWORK, DE
Adjacency: 248 Upstream: 13 Downstream: 235
Upstream Adjacent AS list
AS577 BACOM, CA
AS22652 FIBRENOIRE-INTERNET, CA
AS59437 NORTHERNDATA, DE
AS3257 GTT-BACKBONE GTT, US
AS3303 SWISSCOM Swisscom Switzerland Ltd, CH
AS37100 SEACOM-AS, MU
AS3741 IS, ZA
AS12552 IPO-EU, SE
AS6830 LIBERTYGLOBAL Liberty Global formerly UPC Broadband Holding, aka AORTA, NL
AS6939 HURRICANE, US
AS1299 TWELVE99 Arelion, fka Telia Carrier, SE
AS3320 DTAG Internet service provider operations, DE
AS3356 LEVEL3, US
Downstream Adjacent AS list
AS204188 AS-ITSG, DE
AS13101 TNG-AS TNG Stadtnetz GmbH, DE
AS21013 ITANDTEL-AS Wels, AT
AS25504 CRONON-AS Obermuensterstr. 9, DE
AS8540 AMANET-AS, AT
AS196954 EPCAN epcan breitband loesungen, DE
AS200086 SYNERGY, DE
AS205425 DE-EVENTIM-BRANCH, DE
AS208967 DE-EVENTIM-OOB, DE
AS39040 NTSWORKSPACEAG-AS39040, CH
AS41549 EWB-CABLE-NETWORK-AS, CH
AS50324 HOFNETZ-AS, DE
AS51402 COM-IN COM-IN Telekommunikations GmbH AS51402, DE
AS8878 NFON-AS, DE
AS200278 KNTINTERNET, DE
AS49435 INGATE-DE-AS, DE
AS8412 TMA Magenta Telekom, AT
AS216398 TAILSTREAM-NET, GB
AS12655 AS12655, DE
AS16097 HLKOMM 04107 Leipzig, DE
AS198444 AS_STADTWERKE_DORFEN, DE
AS197524 CCNST-AS, DE
AS200062 OPTITRUST, DE
AS200395 LEIBOLD_AS, DE
AS200924 SIS2, DE
AS206497 SYSCON, DE
AS205627 DAIMLERTRUCK-AS, DE
AS20686 BISPING ISP & Citycarrier, Germany, DE
AS20810 NETCOM-KASSEL Netcom Kassel, DE
AS21413 ENVIA-TEL-AS D-09114 Chemnitz, DE
AS25279 TREML-STURM-AS Treml+Sturm Datentechnik GmbH, DE
AS28676 WITCOM-AS, DE
AS28693 KHS-AS, DE
AS25220 GLOBALNOC-AS equada network GmbH, DE
AS28701 vertical GmbH ASN, DE
AS24940 HETZNER-AS, DE
AS28979 DM, DE
AS29505 SWHL-AS Stadtwerke Luebeck Digital GmbH, DE
AS31424 NEXELLENT-AS AS31424 is operated by:, CH
AS30766 GGEWNET-AS Dammstrasse 68, DE
AS39090 BRANDL --- Brandl Services ---, DE
AS3330 PROFINET-AT Vienna, Austria, AT
AS39878 RAUTER-AS, AT
AS42312 AS-CBC, DE
AS43341 MDLINK MDlink online service center GmbH, DE
AS42184 AS-TKRZ, DE
AS41998 NETCOMBW-AS, DE
AS44973 RZHAS-AS ********** Arelion **********, DE
AS44700 HAENDLEKORTE-AS, DE
AS51531 DECIX-MGMT-AS DE-CIX Management GmbH, DE
AS5539 SPACENET SpaceNET AG, DE
AS57537 NETDSIGN-AS, DE
AS58323 COMNET, DE
AS60316 RGI-AS, DE
AS12912 TM, PL
AS196922 HOFMEIR-AS, DE
AS12577 MMC-AT-AS Muehlgasse 14E, AT
AS207821 INTERNETBOLAGET-DE, SE
AS209181 ZENEX5IVE-NL, GB
AS211751 SYSTAVO, DE
AS32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK, US
AS34779 T-2-AS AS set propagated by T-2 d.o.o., SI
AS39734 A1TELECOM-AS, RO
AS42357 PROGEST, CH
AS43284 IWB-TELEKOM Industrielle Werke Basel, CH
AS396356 LATITUDE-SH, US
AS47815 SERVERWARE, DE
AS50673 SERVERIUS-AS, NL
AS44592 SKYLINK, NL
AS15894 LEITWERK-AS, DE
AS203836 NETATVISION-AS, DE
AS198967 BITEL-GESELLSCHAFT-FUER-TELEKOMMUNIKATION-AS - IP Transit Customer AS33873 -, DE
AS34554 ANTANET Antares Kommunikationstechnik AG, CH
AS43957 ASN-WNTNEWMEDIA, AT
AS62313 PROACT-AS, GB
AS15451 DATEV-AS, DE
AS31103 KEYWEB-AS, DE
AS47172 GREENHOST, NL
AS39835 GOETEL, DE
AS6855 SK-TELEKOM Slovak Telekom T-Mobile CZ, SK
AS15945 PFALZKOM-NET Koschatplatz 1, DE
AS196819 TWK-KL-AS, DE
AS203776 MITTO, CH
AS204419 ITNS, AT
AS205206 NETSITE, DK
AS207436 MAINSPEED, DE
AS201035 LUENECOM-AS, DE
AS209824 GS, DE
AS211690 FLESSIO-AS, DE
AS213281 GREENFIBER, DE
AS262287 Latitude.sh LTDA, BR
AS44946 DGINET-AS, DE
AS44486 SYNLINQ synlinq.de, DE
AS39392 SUPERNETWORK _, CZ
AS214985 DMC24, DE
AS57395 HARTL-EDV-AS, DE
AS61098 EXOSCALE, CH
AS60068 CDN77 _, GB
AS57717 FBX-AS, NL
AS12337 NORIS-NETWORK IT Service Provider located in Nuernberg, Germany, DE
AS12306 PLUSLINE, DE
AS13054 FREINET Freiburg, Germany, DE
AS15817 MITTWALD-AS Mittwald CM Service GmbH und Co. KG, DE
AS197206 EU1-BUSINESSCOM, CZ
AS16316 TMT, DE
AS15598 IPX-AS15598, DE
AS12731 IPHH IPHH Internet Port Hamburg GmbH, DE
AS197965 AHD-AS, DE
AS198521 ZIM-INTEGRATED-SHIPPING-SERVICES-AS, IL
AS198570 STNB-AS, DE
AS197999 KLARINET-AS, AT
AS197637 ROPA ropa digital systems, DE
AS200735 AS-MUENET, DE
AS200970 RIEPERT, AT
AS199284 ENCOLINE, DE
AS201535 ANDOM-TEC, AT
AS201318 SUEDWESTFALENIT-AS, DE
AS202092 -Reserved AS-, ZZ
AS202283 FVNRW, DE
AS202524 CT, DE
AS202499 CAMPUS, DE
AS202245 AIG-ISP, DE
AS201962 RSM-CONNECT-AS RSM Connect, DE
AS202741 EDV-TEAM-OBERLAND, DE
AS204038 ADITSYSTEMS, DE
AS203924 BUERODATA, DE
AS204109 DE-HILLENBRAND-ASN01, DE
AS204243 HFP-AS, DE
AS204253 DE-EVENTIM-DC, DE
AS204560 LENZEDER-AS, AT
AS204381 --No Registry Entry--
AS204053 ADESTIS-NET, DE
AS205115 AVACOMM, DE
AS204989 RDT, DE
AS204704 PRIMELINE-AS, DE
AS205584 CASHPOINT-AS, AT
AS206142 INTERNETTV, US
AS206564 PLUSLINE-SCRUB, DE
AS206231 NETLOGIX, DE
AS207139 NWRK-OFFICE-AS New Work SE, DE
AS206583 SYNERGY_INET, DE
AS20830 GLOBALAIRNETWORK-AS, DE
AS20899 TTS-AS, DE
AS208206 DE-EPGCLOUD, DE
AS207929 IPA-AT-AS, AT
AS205614 MEDIALINE-EUROTRADE-AG, DE
AS20546 SOPRADO-ANY, DE
AS203380 DAINTERNATIONALGROUP, BG
AS209224 -Reserved AS-, ZZ
AS209040 ASSEWI, DE
AS201011 CORE-BACKBONE CORE-BACKBONE GMBH GLOBAL NETWORK, DE
AS210183 DESIGNOFFICES-AS, DE
AS209715 GMUENDCOM-AS, DE
AS21083 AS_NIX, DE
AS210803 NUVOTEX, DE
AS210793 ALTONETZ, DE
AS211319 BREITBANDMESSUNG, DE
AS211752 VE, DE
AS211417 ERNW-GMBH, DE
AS210852 --No Registry Entry--
AS212739 DE_ENERGIE_ZIEGLER, DE
AS213162 SVA, DE
AS213118 INDIS, DE
AS213913 UNLIMITED-NETWORK, CH
AS215606 IP-PROJECTS, DE
AS214743 COGENTO-AS, HK
AS211826 ISTQSERVERS-AS, JO
AS28801 HRS Breslauer Platz 4, DE
AS28876 SUEC-DACOR-AS, DE
AS25415 ADDIX-AS AS-ADDIX Autonomous System, DE
AS29259 DE-IABG-TELEPORT, DE
AS31197 FNH-AS, DE
AS3163 DIEMIT, DE
AS34502 XLINK-AS Xklink, AT
AS34895 HOSTNET-DE-AS, DE
AS38938 SWW-WUNSIEDEL, DE
AS35223 HOI-AS, LI
AS31276 HSPEED-AS, DE
AS42008 TEUTONET, DE
AS39671 AS-STONEHAGEFLEMING Stonehage Fleming SA, CH
AS42473 AS-ANEXIA ANEXIA Internetdienstleistungs GmbH, AT
AS47147 AS-ANX ANEXIA Internetdienstleistungs GmbH, AT
AS47540 WIPAK-AS, DE
AS47302 CYON, CH
AS44545 CLX_BAAS_AS, DE
AS44023 ASN-EPA-FRANKFURT, DE
AS43771 MUKI-AS, AT
AS42390 THECLOUD-, DE
AS47692 NESSUS, AT
AS39257 INC, DE
AS29670 IN-BERLIN-AS Individual Network Berlin e.V., DE
AS29141 BKVG-AS, DE
AS216067 AS216067, DE
AS49956 INNENERGIE, DE
AS50696 EGRAPHICS-AS, DE
AS50343 NWRK-AS New Work SE, DE
AS5385 RUSSMEDIA-IT, AT
AS51839 QSKILLS, DE
AS49910 LUDIGSSOFT Ludigssoft RZ GmbH & Co. KG, DE
AS56719 DORFNER-ASN, DE
AS5404 CONOVA-AS ASN conova communications GmbH, AT
AS48585 AS48585, DE
AS48324 DE-WEBGO www.webgo.de, DE
AS48314 IP-PROJECTS, DE
AS215998 SKYSERVERHOST, IR
AS59437 NORTHERNDATA, DE
AS59716 ANYCAST-AS anycast.io, DE
AS59796 STORMWALL-AS, SK
AS59780 SURFBOXX, DE
AS60574 CC-NETZ-AS01, DE
AS61438 IP-IT-AS, AT
AS62035 BYTEWORKS, CH
AS62193 BCIX-AS BCIX Transit network, DE
AS62317 MACNETIX-GMBH, DE
AS62297 WEBSALE, DE
AS62023 NYNEX, DE
AS61303 NETWAYS, DE
AS61244 EURO-SAT, DE
AS59909 TELE-TEC-AS, AT
AS6798 NET4YOU-AS, AT
AS8319 NETHINKS-AS NETHINKS GmbH, DE
AS8245 VIDEOBROADCAST-AS, AT
AS62363 EGW-AS, AT
AS62359 SDN-3QMEDIENGMBH, DE
AS8741 RATIOKONTAKT, DE
AS8793 THINXX, DE
AS8925 TEUTONET-AS, DE
AS8823 AUTONOMOUSSYSTEMROCKENSTEINAG, DE
AS8339 KABSI-AS, AT
AS58243 TELEAG, DE
AS20940 AKAMAI-ASN1, NL
AS49666 TIC-GW-AS, IR
AS12387 TON, CH
AS51191 XIRRA, DE
AS47526 NORIS-ITK Noris-ITK GmbH, DE
Announced Prefixes
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description
78450 AS33891 TRANSIT Originate: 0 /0.00 Transit: 580864 /12.85 CORE-BACKBONE CORE-BACKBONE GMBH GLOBAL NETWORK, DE
Whois Entry
whois: 402603
IANA has recorded AS33891 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS33891\n % This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html
% Note: this output has been filtered.
% Information related to 'AS33792 - AS34436'
as-block: AS33792 - AS34436
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2023-04-20T14:54:28Z
last-modified: 2023-04-20T14:54:28Z
source: RIPE
% Information related to 'AS33891'
% Abuse contact for 'AS33891' is 'abuse@core-backbone.com'
aut-num: AS33891
as-name: CORE-BACKBONE
descr: CORE-BACKBONE GMBH GLOBAL NETWORK
remarks: *********************************************
remarks: Upstreams:
remarks: ---------------------------------------------
remarks: LEVEL3
import: from AS3356 accept ANY
export: to AS3356 announce AS-CORE-BACKBONE
remarks: ---------------------------------------------
remarks: TELIA
import: from AS1299 accept ANY
export: to AS1299 announce AS-CORE-BACKBONE
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:
import: from AS-ANY accept ANY
remarks: Also, we do filter very strict our customers at
remarks: same very hard level.
remarks: ---------------------------------------------
remarks: Customers:
remarks: ---------------------------------------------
export: to AS-CORE-BACKBONE announce ANY
remarks: ---------------------------------------------
remarks: Peerings:
remarks: ---------------------------------------------
export: to AS-ANY announce AS-CORE-BACKBONE
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
organisation: ORG-IICG1-RIPE
org-name: Core-Backbone GmbH
country: DE
reg-nr: District court Nürnberg HRB 42754
org-type: LIR
address: Deutschherrnstr. 15-19
address: 90429
address: Nürnberg
address: GERMANY
phone: +4991131043200
admin-c: DM2147-RIPE
admin-c: UK489-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: CORE-BACKBONE
mnt-by: RIPE-NCC-HM-MNT
mnt-by: CORE-BACKBONE
abuse-c: CN2660-RIPE
created: 2004-04-17T11:08:15Z
last-modified: 2026-05-13T07:31:15Z
source: RIPE # Filtered
role: Core-Backbone GmbH - Contact Role
address: Core-Backbone GmbH
address: Deutschherrnstr. 15-19
address: 90429 Nürnberg
abuse-mailbox: abuse@core-backbone.com
phone: +4991131043200
org: ORG-IICG1-RIPE
admin-c: DM2147-RIPE
admin-c: UK489-RIPE
tech-c: DM2147-RIPE
tech-c: UK489-RIPE
nic-hdl: CGCR1-RIPE
mnt-by: CORE-BACKBONE
created: 2007-02-23T10:42:43Z
last-modified: 2024-02-13T13:47:55Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.122.1 (BUSA)
as-report v4.4 (gih) 24/02/14