
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 AS2.0) 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, DE
Adjacency: 193 Upstream: 5 Downstream: 188
Upstream Adjacent AS list
AS4637 ASN-TELSTRA-GLOBAL - Telstra Global, HK
AS1299 TWELVE99 - Arelion Sweden AB, SE
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS3257 GTT-BACKBONE - GTT Communications Inc., US
AS2516 KDDI - KDDI CORPORATION, JP
Downstream Adjacent AS list
AS197524 CCNST-AS - Leonet GmbH, DE
AS205206 Netsite - Netsite A/S, DK
AS207436 MAINSPEED - Greenfiber Internet & Dienste GmbH, DE
AS205627 DAIMLERTRUCK-AS - Daimler Truck AG, DE
AS207821 internetbolaget-de - IN InternetNord GmbH, DE
AS201035 LUENECOM-AS - LueneCom Kommunikationsloesungen GmbH, DE
AS32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc., US
AS396356 LATITUDE-SH - Latitude.sh, US
AS214985 DMC24 - DMC24 Marketing und Dienstleistungs GmbH, DE
AS43341 MDLINK - MDlink online service center GmbH, DE
AS44973 RZHAS-AS - Rechenzentrum Hassfurt GmbH, DE
AS44592 SkyLink - SkyLink Data Center BV, NL
AS50324 HOFNETZ-AS - Campus, Hofnetz & Events GmbH, DE
AS51402 COM-IN - COM-IN Telekommunikations GmbH, DE
AS5539 SPACENET - SpaceNet AG, DE
AS57717 FBX-AS - FiberXpress BV, NL
AS59796 STORMWALL-AS - StormWall s.r.o., SK
AS12655 AS12655 - Sellwerk Verwaltungs GmbH, DE
AS15451 DATEV-AS - DATEV eG, DE
AS12731 IPHH - IPHH Internet Port Hamburg GmbH, DE
AS16316 TMT - TMT GmbH & Co. KG, DE
AS15894 LEITWERK-AS - LEITWERK AG, DE
AS198444 as_stadtwerke_dorfen - Stadtwerke Dorfen GmbH, DE
AS12577 MMC-AT-AS - MMC GmbH, AT
AS200062 Optitrust - Optitrust GmbH, DE
AS200395 Leibold_AS - Leibold Sicherheits- & Informationstechnik GmbH, DE
AS199284 encoLine - Thueringer Netkom GmbH, DE
AS198967 BITel-Gesellschaft-fuer-Telekommunikation-AS - BITel Gesellschaft fuer Telekommunikation mbH, DE
AS202283 fvnrw - Rechenzentrum der Finanzverwaltung NRW, DE
AS203776 MITTO - Mitto AG, CH
AS203836 NETATVISION-AS - Net at vision Gesellschaft fuer Informationstechnologie mbH, DE
AS206497 syscon - SYScon GmbH Systeme plus Consulting, DE
AS211690 FLESSIO-AS - Thomas Soo trading as flessio, DE
AS213118 indis - indis Kommunikationssysteme GmbH, DE
AS209824 GS - Georg Kroeber, DE
AS216398 HPI - Hasso Plattner Institut fuer Digital Engineering gGmbH, DE
AS28676 Witcom-AS - WiTCOM Wiesbadener Informations- und Telekommunikations GmbH, DE
AS28801 HRS - Hotel Reservation Service Robert Ragge GmbH, DE
AS28693 KHS-AS - KHS GmbH, DE
AS29505 SWHL-AS - Stadtwerke Luebeck Digital GmbH, DE
AS31103 KEYWEB-AS - Keyweb AG, DE
AS31424 IN4U-AS - Netrics AG, CH
AS31276 HSPEED-AS - Die Netz-Werker Systemmanagement und Datennetze AG, DE
AS42357 progest - ProGest SA, CH
AS42312 AS-CBC - RTL Technology GmbH, DE
AS42473 AS-ANEXIA - Anexia Cloud Solutions GmbH, AT
AS43284 IWB-Telekom - IWB Industrielle Werke Basel, CH
AS44946 DGINET-AS - Dembach Goo Informatik GmbH & Co. KG, DE
AS44486 SYNLINQ - Oliver Horscht is trading as "SYNLINQ", DE
AS50673 Serverius-as - Serverius Holding B.V., NL
AS49435 INGATE-DE-AS - INGATE GmbH, DE
AS61098 exoscale - Akenes SA, CH
AS62313 PROACT-AS - Proact IT UK Limited, GB
AS41998 NetComBW-AS - NetCom BW GmbH, DE
AS39878 RAUTER-AS - Peter Rauter GmbH, AT
AS211826 ISTQSERVERS-AS - Istqrar for Servers Services Ltd, JO
AS12337 NORIS-NETWORK - noris network AG, DE
AS12306 PLUSLINE - Plus.line AG, DE
AS13054 BADENIT - badenIT GmbH, DE
AS12912 TMPL - T-Mobile Polska S.A., PL
AS15817 MITTWALD-AS - Robert Meyer trading as "Mittwald CM Service GmbH & Co. KG", DE
AS197206 EU1-BUSINESSCOM - BusinessCom CZ spol. s r.o., CZ
AS15945 PfalzKom-Net - PFALZKOM GmbH, DE
AS15598 IPX-AS15598 - NorthC Deutschland GmbH, DE
AS12387 TON - TON Total optical Networks AG, CH
AS197965 AHD-AS - Proact Deutschland GmbH, DE
AS197637 ROPA - ropa GmbH, DE
AS198521 ZIM-INTEGRATED-SHIPPING-SERVICES-AS - ZIM INTEGRATED SHIPPING SERVICES LTD, IL
AS200735 AS-MUENET - MN Glasfaser GmbH trading as MUENET GmbH & Co. KG, DE
AS198570 STNB-AS - Stadtnetz Bamberg Gesellschaft fuer Telekommunikation mbH, DE
AS197999 klarinet-as - Michael Gamsjaeger, AT
AS200970 RIEPERT - Riepert Informationstechnologie GmbH, AT
AS200924 sis2 - Stiegeler Internet Service GmbH, DE
AS201535 andom-tec - andom-tec GmbH, AT
AS201318 SuedwestfalenIT-AS - Suedwestfalen-IT, DE
AS202092 SYNERGY_ACCESS - Synergy Networks GmbH, DE
AS202524 CT - Cluster-Team Guenter Haeusler & Andreas Specht GbR, DE
AS202499 campus - Campus, Hofnetz & Events GmbH, DE
AS202245 AIG-ISP - Antennen-Interessengemeinschaft Geroldsgruen e.V., DE
AS201962 RSM-CONNECT-AS - Michael Rack, DE
AS202741 EDV-TEAM-OBERLAND - Martin Fichtner & Peter Feist GBR, DE
AS204038 ADITSYSTEMS - AD IT Systems GmbH, DE
AS203924 buerodata - buerodata AG, DE
AS204109 Hillenbrand - Hillenbrand Germany Holding GmbH, DE
AS204243 HFP-AS - hfp Informationssysteme GmbH, DE
AS204253 DE-EVENTIM-DC - CTS Eventim Solutions GmbH, DE
AS204419 ITNS - ITNS GmbH, AT
AS204560 LENZEDER-AS - Lenzeder Gesellschaft m.b.H & Co KG, AT
AS204381 DLAG-AS - Deutsche Leasing AG, DE
AS204053 ADESTIS-NET - ADESTIS GmbH, DE
AS205115 AVACOMM - AVACOMM Systems GmbH, DE
AS204989 rdt - Rekers Digitaltechnik Beteiligungsgesellschaft mbH trading as Rekers Digitaltechnik GmbH & Co.KG, DE
AS204704 PRIMELINE-AS - primeLine Solutions GmbH, DE
AS206142 InternetTV - Internet TV, Inc., US
AS206564 PLUSLINE-SCRUB - Plus.line AG, DE
AS206231 NETLOGIX - netlogix GmbH & Co. KG, DE
AS207139 NWRK-OFFICE-AS - New Work SE, DE
AS206583 SYNERGY_INET - Synergy Networks GmbH, DE
AS20830 GLOBALAIRNETWORK-AS - The Cloud Networks Germany GmbH, DE
AS20899 TTS-AS - Tick Trading Software AG, DE
AS208206 DE-EPGCLOUD - EPX Ehrhardt + Partner Xtended GmbH, DE
AS207929 IPA-AT-AS - IP Austria Communication GmbH, AT
AS205614 medialine-eurotrade-ag - Medialine EuroTrade AG, DE
AS20546 SOPRADO-ANY - SOPRADO GmbH, DE
AS203380 DAInternationalGroup - DA International Group Ltd., BG
AS209224 LBBW-NETWORK-AS - Landesbank Baden-Wuerttemberg, DE
AS210183 designoffices-as - Design Offices GmbH, DE
AS209715 GMUENDCOM-AS - GmuendCOM GmbH, DE
AS21083 AS_NIX - Proact Deutschland GmbH, DE
AS210803 nuvotex - Nuvotex GmbH, DE
AS210793 ALTONETZ - Altonetz GmbH, DE
AS211319 breitbandmessung - zafaco GmbH, DE
AS211752 VE - Eurofiber Netz GmbH, DE
AS212739 de_energie_ziegler - Energie Ziegler GmbH, DE
AS211417 ERNW-GMBH - ERNW Enno Rey Netzwerke GmbH, DE
AS213162 sva - SVA System Vertrieb Alexander GmbH, DE
AS213913 UNLIMITED-NETWORK - Unlimited Network AG, CH
AS210852 LAYER7-MSP - Layer7 GmbH, DE
AS215606 IP-PROJECTS - Michael Sebastian Schinzel trading as IP-Projects GmbH & Co. KG, DE
AS214743 COGENTO-AS - Cogento Backbone Limited, HK
AS209040 ASseWi - SeWiKom GmbH, DE
AS216067 AS216067 - BHS Solutions GmbH, DE
AS28876 SUEC-DACOR-AS - suec // dacor GmbH, DE
AS29141 BKVG-AS - Bradler & Krantz GmbH & Co. KG, DE
AS25415 ADDIX-AS - ADDIX GmbH, DE
AS29259 DE-IABG-TELEPORT - IABG Teleport GmbH, DE
AS24940 HETZNER-AS - Hetzner Online GmbH, DE
AS3330 PROFINET-AT - eww ag, AT
AS3163 DIEMIT - DiemIT GmbH, DE
AS34779 T-2-AS - T-2, d.o.o., SI
AS34502 xlink-as - Multikom Austria Telekom GmbH, AT
AS38938 SWW-WUNSIEDEL - SWW Wunsiedel GmbH, DE
AS34895 HOSTNET-DE-AS - hostNET Medien GmbH, DE
AS31197 FNH-AS - FNH media KG, DE
AS30766 GGEWNET-AS - GGew net GmbH, DE
AS42008 TEUTONET - teuto.net Netzdienste GmbH, DE
AS39671 AS-STONEHAGEFLEMING - Stonehage Fleming SA, CH
AS47540 WIPAK-AS - Wipak Walsrode GmbH, DE
AS47147 AS-ANX - Anexia Cloud Solutions GmbH, AT
AS44545 CLX_BAAS_AS - CREALOGIX BaaS GmbH & Co. KG, DE
AS44023 ASN-EPA-FRANKFURT - european pressphoto agency b.v. Zweigniederlassung Frankfurt, DE
AS43771 MUKI-AS - MuKi Versicherungsverein auf Gegenseitigkeit VVaG, AT
AS42390 THECLOUD-DE - The Cloud Networks Germany GmbH, DE
AS47692 NESSUS - Nessus GmbH, AT
AS39257 INC - LUMi GmbH, DE
AS29670 IN-BERLIN-AS - Individual Network Berlin ("IN-Berlin") e.V., DE
AS48585 AS48585 - Clevernet GmbH, DE
AS48324 DE-WEBGO - webgo GmbH, DE
AS48314 IP-PROJECTS - Michael Sebastian Schinzel trading as IP-Projects GmbH & Co. KG, DE
AS215998 enum - enum GmbH, DE
AS49956 INNENERGIE - In(n) Energie GmbH, DE
AS50696 EGRAPHICS-AS - EasternGraphics GmbH, DE
AS50343 NWRK-AS - New Work SE, DE
AS51191 XIRRA - Core-Backbone GmbH, DE
AS5385 RUSSMEDIA-IT - Russmedia IT GmbH, AT
AS51839 QSKILLS - QSKILLS, DE
AS49910 LUDIGSSOFT - Ludigssoft Management GmbH trading as Ludigssoft RZ GmbH & Co. KG, DE
AS56719 DORFNER-ASN - Dorfner KG, DE
AS57395 HARTL-EDV-AS - synaforce GmbH, DE
AS5404 conova-as - conova communications GmbH, AT
AS58323 COMNET - netgo tax GmbH, DE
AS59437 NORTHERNDATA - Northern Data AG, DE
AS59716 ANYCAST-AS - 2342 Verwaltungs GmbH, DE
AS59780 SURFBOXX - Surfboxx IT-Solutions GmbH, DE
AS59909 TELE-TEC-AS - Tele-Tec GmbH, AT
AS60574 cc-netz-as01 - Christian clos, RO
AS61438 IP-IT-AS - ip-it consult GmbH, AT
AS62035 BYTEWORKS - Byteworks GmbH, CH
AS62193 BCIX-AS - BCIX Management GmbH, DE
AS62317 Digmedia-GmbH - digmedia GmbH, CH
AS62297 WEBSALE - WEBSALE AG, DE
AS62023 NYNEX - NYNEX satellite OHG, DE
AS61303 NETWAYS - NETWAYS GmbH, DE
AS61244 EURO-SAT - Manfred Casper trading as EURO-SAT, DE
AS60068 CDN77 - Datacamp Limited, GB
AS6798 NET4YOU-AS - Net4You Internet GmbH, AT
AS8319 NETHINKS-AS - NETHINKS GmbH, DE
AS8245 VIDEOBROADCAST-AS - Video-Broadcast GmbH, AT
AS62363 EGW-AS - Ertl & Gross GmbH & Co OG, AT
AS62359 SDN-3QMedienGmbH - 3Q GmbH, DE
AS8741 ratiokontakt - ratiokontakt GmbH, DE
AS8793 THINXX - THINXX, DE
AS8925 TEUTONET-AS - teuto.net Netzdienste GmbH, DE
AS8823 AutonomousSystemRockensteinAG - Rockenstein AG, DE
AS8339 KABSI-AS - kabelplus GmbH, AT
AS58243 TELEAG - TELE AG, DE
AS49666 TIC-GW-AS - Telecommunication Infrastructure Company, IR
AS201011 CORE-BACKBONE - Core-Backbone GmbH, DE
Announced Prefixes
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description
78255 AS33891 TRANSIT Originate: 0 /0.00 Transit: 1781760 /11.24 CORE-BACKBONE - Core-Backbone GmbH, DE
Whois Entry
whois: 402591
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 (SHETLAND)
as-report v4.4 (gih) 24/02/14