ASN Lookup Tool

ipcom GmbH cert.at AT AT 22 Routes

AS Data

AS1921

AS1921 – ipcom GmbH

AS Number 1921
AS Name RCODEZERO-ANYCAST-SEC1-TLD
Organization ipcom GmbH (org-igfi3-ripe)
Country AT
Website cert.at
Number of IPv4 Routes 11
Number of IPv6 Routes 11
ASN type ISP
Allocation Status LEGACY
Registry RIPE
Date Allocated 2002-08-21

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IP Ranges

Route # IPs
2a02:850:ffe5::/48 ~1×10²⁴
185.80.188.0/24 256
2a02:850:ffe0::/48 ~1×10²⁴
185.80.191.0/24 256
194.0.25.0/24 256
2a02:850:ffff::/48 ~1×10²⁴
2a02:850:ffe6::/48 ~1×10²⁴
185.102.12.0/24 256
194.0.182.0/24 256
91.237.67.0/24 256
193.46.133.0/24 256
2a05:7f00:191::/48 ~1×10²⁴
2a05:7f00:188::/48 ~1×10²⁴
2a0b:8e00::/48 ~1×10²⁴
193.227.117.0/24 256
2a04:2b00:14cc::/48 ~1×10²⁴
2001:678:20::/48 ~1×10²⁴
2a04:2b00:14ee::/48 ~1×10²⁴
193.46.128.0/24 256
192.174.68.0/24 256
193.46.134.0/24 256
2001:67c:1bc::/48 ~1×10²⁴

Raw Whois Response

% 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.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS1921 - AS1923'

as-block:       AS1921 - AS1923
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:        2018-11-22T15:27:14Z
last-modified:  2018-11-22T15:27:14Z
source:         RIPE

% Information related to 'AS1921'

% Abuse contact for 'AS1921' is 'reports@cert.at'

aut-num:        AS1921
as-name:        RCODEZERO-ANYCAST-SEC1-TLD
descr:          RcodeZero Anycast DNS
org:            ORG-IGFI3-RIPE
sponsoring-org: ORG-nIBu1-RIPE
remarks:        =================================================
remarks:        Transit: nic.at GmbH
import:         from AS30971 accept ANY
export:         to AS30971 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS30971 accept ANY
mp-export:      afi ipv6.unicast to AS30971 announce AS-RCODEZERO
remarks:
remarks:        Transit: Cloud2 - LAX/FMT/HE
import:         from AS207021 accept ANY
export:         to AS207021 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS207021 accept ANY
mp-export:      afi ipv6.unicast to AS207021 announce AS-RCODEZERO
remarks:
remarks:        Transit: IEDR
import:         from AS42310 accept ANY
export:         to AS42310 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS42310 accept ANY
mp-export:      afi ipv6.unicast to AS42310 announce AS-RCODEZERO
remarks:
remarks:        Transit: NASK
import:         from AS8308 accept ANY
export:         to AS8308 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS8308 accept ANY
mp-export:      afi ipv6.unicast to AS8308 announce AS-RCODEZERO
remarks:
remarks:        Transit: 365 Data Centers (Atlantic Metro AS)
import:         from AS29838 accept ANY
export:         to AS29838 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS29838 accept ANY
mp-export:      afi ipv6.unicast to AS29838 announce AS-RCODEZERO
remarks:
remarks:        Transit: 365 Data Centers (Inforelay AS)
import:         from AS33597 accept ANY
export:         to AS33597 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS33597 accept ANY
mp-export:      afi ipv6.unicast to AS33597 announce AS-RCODEZERO
remarks:
remarks:        Transit: 365 Data Centers (BroadbandONE)
import:         from AS19151 accept ANY
export:         to AS19151 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS19151 accept ANY
mp-export:      afi ipv6.unicast to AS19151 announce AS-RCODEZERO
remarks:
remarks:        Transit: i3D
import:         from AS49544 accept ANY
export:         to AS49544 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS49544 accept ANY
mp-export:      afi ipv6.unicast to AS49544 announce AS-RCODEZERO
remarks:
remarks:        Transit: ANEXIA
import:         from AS42473 accept ANY
export:         to AS42473 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS42473 accept ANY
mp-export:      afi ipv6.unicast to AS42473 announce AS-RCODEZERO
remarks:
remarks:        Transit: Portlane
import:         from AS42708 accept ANY
export:         to AS42708 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS42708 accept ANY
mp-export:      afi ipv6.unicast to AS42708 announce AS-RCODEZERO
remarks:
remarks:        Transit: Vultr/Choopa
import:         from AS20473 accept ANY
export:         to AS20473 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS20473 accept ANY
mp-export:      afi ipv6.unicast to AS20473 announce AS-RCODEZERO
remarks:
remarks:        Transit: nic.br
import:         from AS22548 accept ANY
export:         to AS22548 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS22548 accept ANY
mp-export:      afi ipv6.unicast to AS22548 announce AS-RCODEZERO
remarks:
remarks:        Transit: DigitalPacific
import:         from AS55803 accept ANY
export:         to AS55803 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS55803 accept ANY
mp-export:      afi ipv6.unicast to AS55803 announce AS-RCODEZERO
remarks:
remarks:        Transit: HostVirtual
import:         from AS36236 accept ANY
export:         to AS36236 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS36236 accept ANY
mp-export:      afi ipv6.unicast to AS36236 announce AS-RCODEZERO
remarks:
remarks:        Transit: Infomaniak
import:         from AS29222 accept ANY
export:         to AS29222 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS29222 accept ANY
mp-export:      afi ipv6.unicast to AS29222 announce AS-RCODEZERO
remarks:
remarks:        Transit: LINX-AS
import:         from AS5459 accept ANY
export:         to AS5459 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS5459 accept ANY
mp-export:      afi ipv6.unicast to AS5459 announce AS-RCODEZERO
remarks:
remarks:        Transit: HE IPv6 only
mp-import:      afi ipv6.unicast from AS6939 accept ANY
mp-export:      afi ipv6.unicast to AS6939 announce AS-RCODEZERO
remarks:
remarks:        Transit: First Colo
import:         from AS44066 accept ANY
export:         to AS44066 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS44066 accept ANY
mp-export:      afi ipv6.unicast to AS44066 announce AS-RCODEZERO
remarks:
remarks:        Transit: G-Core Labs S.A.
import:         from AS199524 accept ANY
export:         to AS199524 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS199524 accept ANY
mp-export:      afi ipv6.unicast to AS199524 announce AS-RCODEZERO
remarks:
remarks:        Transit: Cloudflare
export:         to AS13335 announce AS-RCODEZERO
mp-export:      afi ipv6.unicast to AS13335 announce AS-RCODEZERO
remarks:
remarks:        Transit: Edgeuno
import:         from AS7195 accept ANY
export:         to AS7195 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS7195 accept ANY
mp-export:      afi ipv6.unicast to AS7195 announce AS-RCODEZERO
remarks:
remarks:        Transit: nic.hu
import:         from AS12303 accept ANY
export:         to AS12303 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS12303 accept ANY
mp-export:      afi ipv6.unicast to AS12303 announce AS-RCODEZERO
remarks:
remarks:        Transit: ScaleUp Technologies
import:         from AS29014 accept ANY
export:         to AS29014 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS29014 accept ANY
mp-export:      afi ipv6.unicast to AS29014 announce AS-RCODEZERO
remarks:
remarks:        Transit: Gigahost.no
import:         from AS56655 accept ANY
export:         to AS56655 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS56655 accept ANY
mp-export:      afi ipv6.unicast to AS56655 announce AS-RCODEZERO
remarks:
remarks:        Routeserver: Rheintal IX
import:         from AS58171 accept AS-RIX-RS
export:         to AS58171 announce AS-RCODEZERO
mp-import:      afi ipv6.unicast from AS58171 accept AS-RIX-RS
mp-export:      afi ipv6.unicast to AS58171 announce AS-RCODEZERO
remarks:
remarks:        =================================================
remarks:        Customer: ACOnet/Univie (Dallas)
import:         from AS35052 accept AS35052
export:         to AS35052 announce ANY
mp-import:      afi ipv6.unicast from AS35052 accept AS35052
mp-export:      afi ipv6.unicast to AS35052 announce ANY
remarks:
remarks:        Customer: ACOnet/Univie (London)
import:         from AS49488 accept AS49488
export:         to AS49488 announce ANY
mp-import:      afi ipv6.unicast from AS35052 accept AS35052
mp-export:      afi ipv6.unicast to AS35052 announce ANY
remarks:
remarks:        Customer: b.dns.br (Singapore)
import:         from AS10906 accept AS10906
export:         to AS10906 announce ANY
mp-import:      afi ipv6.unicast from AS10906 accept AS10906
mp-export:      afi ipv6.unicast to AS10906 announce ANY
remarks:
remarks:        Customer: d.dns.br (Singapore)
import:         from AS11644 accept AS11644
export:         to AS11644 announce ANY
mp-import:      afi ipv6.unicast from AS11644 accept AS11644
mp-export:      afi ipv6.unicast to AS11644 announce ANY
remarks:        =================================================
descr:          e2ae41441ccec3d294d6c17d3b7d1bdde4286f12
mnt-by:         RIPE-NCC-LEGACY-MNT
mnt-by:         NICAT-MNT
admin-c:        RS3195-RIPE
admin-c:        KD36
tech-c:         Nto1-RIPE
status:         LEGACY
created:        2002-08-21T16:07:49Z
last-modified:  2026-05-12T21:30:54Z
source:         RIPE

organisation:   ORG-IGFI3-RIPE
org-name:       ipcom GmbH
country:        AT
reg-nr:         FN 257847m
org-type:       OTHER
address:        Karlsplatz 1/2/9, 1010 Wien, Austria
mnt-ref:        NICAT-MNT
mnt-by:         NICAT-MNT
admin-c:        Nto1-RIPE
abuse-c:        Nto1-RIPE
created:        2012-09-10T10:29:23Z
last-modified:  2026-05-19T09:35:06Z
source:         RIPE # Filtered

role:           NIC.at Operations Object
address:        Jakob-Haringerstrasse 8
address:        A-5020 Salzburg
address:        Austria
phone:          +43 662 4669 0
fax-no:         +43 662 4669 19
admin-c:        KD36
admin-c:        RS3195-RIPE
tech-c:         MB125
tech-c:         MHO44-RIPE
tech-c:         HAD45-RIPE
tech-c:         KD36
tech-c:         TS40375-RIPE
tech-c:         FR9272-RIPE
nic-hdl:        Nto1-RIPE
mnt-by:         NICAT-MNT
created:        2010-02-17T17:07:26Z
last-modified:  2025-11-20T14:06:30Z
source:         RIPE # Filtered
abuse-mailbox:  reports@cert.at

person:         Klaus Darilion
address:        nic.at
address:        Karlsplatz 1/2/9
address:        A-1010 Vienna
phone:          +43 662 4669 36
nic-hdl:        KD36
mnt-by:         NICAT-MNT
created:        2011-04-27T15:03:51Z
last-modified:  2017-10-30T22:13:36Z
source:         RIPE # Filtered

person:         Robert Schischka
address:        NIC.AT
address:        Jakob-Haringerstr. 8
address:        A-5020 Salzburg
address:        AUSTRIA
phone:          +43-662-4669 15
nic-hdl:        RS3195-RIPE
mnt-by:         AT-DOM-MNT
created:        2003-09-29T16:27:37Z
last-modified:  2003-10-03T08:08:40Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.123 (ABERDEEN)



#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       1921 - 1923
ASName:         RIPE-ASNBLOCK-1921
ASHandle:       AS1921
RegDate:        2002-10-15
Updated:        2003-04-25
Comment:        These addresses have been further assigned to users in
Comment:        the RIPE NCC region. Contact information can be found in
Comment:        the RIPE database at http://www.ripe.net/whois
Ref:            https://rdap.arin.net/registry/autnum/1921

ResourceLink:  https://apps.db.ripe.net/db-web-ui/query
ResourceLink:  whois.ripe.net


OrgName:        RIPE Network Coordination Centre
OrgId:          RIPE
Address:        P.O. Box 10096
City:           Amsterdam
StateProv:      
PostalCode:     1001EB
Country:        NL
RegDate:        
Updated:        2013-07-29
Ref:            https://rdap.arin.net/registry/entity/RIPE

ReferralServer:  whois.ripe.net
ResourceLink:  https://apps.db.ripe.net/db-web-ui/query

OrgTechHandle: RNO29-ARIN
OrgTechName:   RIPE NCC Operations
OrgTechPhone:  +31 20 535 4444 
OrgTechEmail:  hostmaster@ripe.net
OrgTechRef:    https://rdap.arin.net/registry/entity/RNO29-ARIN

OrgAbuseHandle: ABUSE3850-ARIN
OrgAbuseName:   Abuse Contact
OrgAbusePhone:  +31205354444 
OrgAbuseEmail:  abuse@ripe.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3850-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS28792 Public Internet Ltd GB
AS51907 Kanton Zug CH
AS58057 Securebit AG CH
AS38880 Micron21 Datacentre Pty Ltd AU
AS198150 SIACOM JSC GE
AS45352 IP ServerOne Solutions Sdn Bhd MY
AS56655 Gigahost AS NO
AS37468 Angola Cables AO
AS199524 G-Core Labs S.A. LU
AS22548 Núcleo de Inf. e Coord. do Ponto BR NIC.BR BR
AS53062 GGNET TELECOMUNICACOES LTDA BR
AS206735 Novelcomm LP GR
AS58453 China Mobile International Limited HK
AS3216 PJSC "Vimpelcom" RU
AS13237 euNetworks GmbH DE
AS32590 Valve Corporation US
AS12735 TurkNet Iletisim Hizmetleri A.S. TR
AS51873 Arcade Solutions AG CH
AS8801 Rocket Fibre Ltd GB
AS6696 VERIXI SA BE
AS1836 green.ch AG CH
AS1031 PEER 1031 LLC US
AS33597 Atlantic Metro Communications II, Inc. US
AS29838 Atlantic Metro Communications II, Inc. US
AS1828 Unitas Global US
AS999 CORIX NETWORKS US
AS8308 NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA PANSTWOWY INSTYTUT BADAWCZY PL
AS4849 S3 Company Ltd BG
AS37497 Network Platforms (PTY) LTD ZA
AS56630 Melbikomas UAB LT
AS38158 PT. Cyberindo Aditama ID
AS21215 UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd RS
AS6667 Elisa Oyj FI
AS209823 Enki Multimedia EURL FR
AS8298 IPng Networks GmbH CH
AS14630 Invesco Group Services, Inc. US
AS204208 Peravix Group LTD GB
AS4455 IX Reach Ltd GB
AS59890 Kabel-TV Lampert GmbH & Co KG AT
AS5459 London Internet Exchange Ltd. GB
AS3212 Telemach Slovenija d.o.o. SI
AS37100 SEACOM Limited MU
AS52075 Wifirst S.A.S. FR
AS9002 RETN Limited GB
AS22548 Núcleo de Inf. e Coord. do Ponto BR - NIC.BR BR
AS19151 BroadbandONE, LLC US
AS41327 Fiber Telecom S.p.A. IT
AS29691 Nine Internet Solutions AG CH
AS35280 F5 Networks SARL FR
AS207594 Connectivia S.r.l IT
AS132337 Axclusive SG
AS63927 RISE HK
AS199081 Lancom Ltd. GR
AS62167 Tismi BV NL
AS6204 ZET.NET IP Transit RO
AS8359 MTS PJSC RU
AS6830 Liberty Global Europe Holding B.V. NL
AS206014 SARL IPSET FR
AS57344 Telehouse EAD BG
AS207021 ipcom GmbH AT

Upstreams

AS Number Description Country
AS12552 GlobalConnect AB SE
AS7195 EDGEUNO S.A.S CO
AS39351 31173 Services AB SE
AS6939 Hurricane Electric LLC US
AS6204 ZET.NET IP Transit RO
AS8359 MTS PJSC RU
AS56655 Gigahost AS NO
AS37468 Angola Cables AO
AS30971 nic.at GmbH AT
AS15802 Emirates Integrated Telecommunications Company PJSC AE
AS37497 Network Platforms PTY LTD ZA
AS22548 Núcleo de Inf. e Coord. do Ponto BR NIC.BR BR
AS3216 PJSC Vimpelcom RU
AS14840 BR.Digital Telecom BR
AS12735 TurkNet Iletisim Hizmetleri A.S. TR
AS55803 Hostopia Australia Web Pty Ltd AU
AS12779 IT.Gate S.p.A. IT
AS4601 Antonios A. Chariton GR
AS1836 green.ch AG CH
AS6696 VERIXI SA BE
AS42473 ANEXIA Internetdienstleistungs GmbH AT
AS1031 PEER 1031 LLC US
AS44066 firstcolo GmbH DE
AS8308 NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA PANSTWOWY INSTYTUT BADAWCZY PL
AS56630 Melbikomas UAB LT
AS37282 Main one Cable Company Nigeria Limited NG
AS34549 meerfarbig GmbH & Co. KG DE
AS21215 UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd RS
AS34927 iFog GmbH CH
AS25091 IP Max SA CH
AS20473 The Constant Company, LLC US
AS42708 Glesys AB SE
AS8298 IPng Networks GmbH CH
AS48362 Stadtwerke Feldkirch AT
AS42310 IE Domain Registry CLG IE
AS58115 SwissIX Internet Exchange CH
AS8849 Melbikomas UAB LT
AS33891 Core Backbone GmbH DE
AS34177 Celeste SAS FR
AS60171 AFR IX TELECOM S.A. ES
AS36236 NetActuate, Inc US
AS4455 IX Reach Ltd GB
AS5459 London Internet Exchange Ltd. GB
AS4849 S3Company S3 Company Ltd AU
AS37100 SEACOM Limited MU
AS39120 Convergenze S.p.A. IT
AS9002 RETN Limited GB
AS29075 IELO LIAZO SERVICES SAS FR
AS50304 Blix Solutions AS NO
AS6057 Administracion Nacional de Telecomunicaciones UY
AS5405 Inter.link GmbH DE
AS199524 G Core Labs S.A. LU
AS3214 xTom GmbH DE
AS41327 Fiber Telecom S.p.A. IT
AS3741 NTT DATA Inc, Infrastructure Solutions, CORE, MEA ZA
AS29222 Infomaniak Network SA CH
AS35280 F5 Networks SARL FR
AS29014 ScaleUp Technologies GmbH & Co. KG DE
AS9044 BSE Software GmbH CH
AS5713 SAIX NET ZA

Downstreams

AS Number Description Country
AS11644 Núcleo de Inf. e Coord. do Ponto BR NIC.BR BR
AS12136 Núcleo de Inf. e Coord. do Ponto BR NIC.BR BR
AS35052 ACONET AT

Contacts

Email Contacts

reports@cert.at

Abuse Contacts

reports@cert.at

Legacy Routes

194.50.187.0/24 2001:67c:10b8::/48 176.97.158.0/24 2a0b:8e00:1::/48 193.46.135.0/24 2a02:850:ffe7::/48 185.167.176.0/24 2a04:2b00:14dd::/48

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Frequently Asked Questions

ASN AS1921 is an Autonomous System Number used to identify a network for BGP internet routing.
AS1921 is listed under ipcom GmbH.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.