ASN Lookup Tool

IMS Networks SAS imsnetworks.com FR FR 26 Routes

AS Data

AS20900

AS20900IMS Networks SAS

AS Number 20900
AS Name AS-IMSNETORKS
Organization IMS Networks SAS (org-ins26-ripe)
Country FR
Website imsnetworks.com
Number of IPv4 Routes 25
Number of IPv6 Routes 1
ASN type ISP
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 1970-01-01

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Use ASN data for AS20900 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
185.182.252.0/24 256
31.217.232.0/21 2048
137.129.15.0/24 256
194.4.10.0/24 256
213.190.69.0/24 256
213.190.76.0/24 256
194.4.7.0/24 256
2001:1b08::/32 ~79×10²⁷
137.129.43.0/24 256
137.129.0.0/16 65536
137.129.236.0/23 512
194.4.12.0/24 256
31.217.233.0/24 256
137.129.232.0/23 512
137.129.63.0/24 256
91.231.175.0/24 256
137.129.9.0/24 256
194.4.13.0/24 256
213.190.65.0/24 256
185.182.252.0/22 1024
91.214.114.0/23 512
176.111.246.0/24 256
213.190.88.0/24 256
137.129.234.0/23 512
213.190.64.0/19 8192
213.190.64.0/24 256

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 'AS20859 - AS20927'

as-block:       AS20859 - AS20927
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:        2018-11-22T15:27:27Z
last-modified:  2018-11-22T15:27:27Z
source:         RIPE

% Information related to 'AS20900'

% Abuse contact for 'AS20900' is 'abuse@imsnetworks.com'

aut-num:        AS20900
as-name:        AS-IMSNETORKS
descr:          IMSNETWORKS
remarks:        Import from transit
import:         from AS3356 accept ANY
import:         from AS8218 accept ANY
import:         from AS47233 accept AS47233
import:         from AS50758 accept AS50758
import:         from AS34493 accept AS34493
import:         from AS206965 accept AS206965
import:         from AS43342 accept AS43342 and AS209483
import:         from AS206865 accept AS206865
import:         from AS12645 accept AS12645
import:         from AS43342 accept AS43342
remarks:        Import from peering
import:         from AS47184 accept ANY
import:         from AS15557 accept AS20900:RS-NEUF-DSL-DCM
import:         from AS6939 accept AS6639
import:         from AS2200 accept AS2200
import:         from AS204212 accept AS204212
import:         from AS28435 accept AS28435
import:         from AS49441 accept AS49441
remarks:        Export to transit
export:         to AS8218 announce AS-20900
export:         to AS3356 announce AS-20900
export:         to AS2914 announce AS-20900
remarks:        Export to clients and peers
export:         to AS34493 announce ANY
export:         to AS50758 announce ANY
export:         to AS47835 announce ANY
export:         to AS47233 announce ANY
export:         to AS50758 announce ANY
export:         to AS206865 announce ANY
export:         to AS198239 announce ANY
export:         to AS43342 announce ANY
export:         to AS15557 announce AS20900:RS-IMS-RAD-LNS
export:         to AS47184 announce AS-20900
export:         to AS8839 announce AS-20900
export:         to AS2200 announce AS-20900
export:         to AS43342 announce ANY
export:         to AS204212 announce ANY
export:         to AS49441 announce ANY
org:            ORG-INS26-RIPE
admin-c:        HVN31-RIPE
tech-c:         HVN31-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-fr-imsnetworks-1
created:        1970-01-01T00:00:00Z
last-modified:  2024-02-02T15:00:50Z
source:         RIPE # Filtered

organisation:   ORG-INS26-RIPE
org-name:       IMS Networks SAS
country:        FR
reg-nr:         814 030 854 R.C.S Castres
org-type:       LIR
address:        9 AVENUE DE LA MONTAGNE NOIRE
address:        81100
address:        Castres
address:        FRANCE
phone:          +33563735013
admin-c:        HVN31-RIPE
admin-c:        HVN31-RIPE
tech-c:         HVN31-RIPE
abuse-c:        AR52306-RIPE
mnt-ref:        mnt-fr-imsnetworks-1
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         mnt-fr-imsnetworks-1
created:        2019-04-26T13:26:54Z
last-modified:  2026-05-13T07:40:18Z
source:         RIPE # Filtered

person:         Hoang Vu NGUYEN
address:        IMS Networks
address:        Technopole du Causse
address:        81115 CASTRES
phone:          +33 5 63 73 50 13
fax-no:         +33 5 63 73 50 14
nic-hdl:        HVN31-RIPE
mnt-by:         mnt-fr-imsnetworks-1
created:        2011-12-05T15:10:34Z
last-modified:  2022-07-27T15:28:49Z
source:         RIPE # Filtered

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

Parsed Whois Response

Peers

AS Number Description Country
AS212815 Dyjix SAS FR
AS6762 TELECOM ITALIA SPARKLE S.p.A. IT
AS60602 Inovare-Prim SRL MD
AS50758 Airbus Defence and Space SAS FR
AS14537 Continent 8 LLC US
AS198150 SIACOM JSC GE
AS8529 Zain Omantel International FZ-LLC AE
AS47957 Worldline IGSA SA FR
AS199524 G-Core Labs S.A. LU
AS34288 Kantonsschule Zug CH
AS49441 Pierre Fabre SA PFSA FR
AS204516 CAPLASER SA FR
AS53062 GGNET TELECOMUNICACOES LTDA BR
AS206735 Novelcomm LP GR
AS13237 euNetworks GmbH DE
AS14840 BR.Digital Telecom BR
AS12735 TurkNet Iletisim Hizmetleri A.S. TR
AS20766 Association Gitoyen FR
AS39305 Groupe convergence.com SAS FR
AS55818 MC-IX Matrix Internet Exchange RS-1 ID
AS8801 Rocket Fibre Ltd GB
AS25091 IP Max SA ZZ
AS6696 VERIXI SA BE
AS2200 Renater FR
AS1828 Unitas Global US
AS198239 OLLINK SARL FR
AS206865 COAXIS ASP SAS FR
AS21215 UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd RS
AS12741 Netia SA PL
AS209823 Enki Multimedia EURL FR
AS8298 IPng Networks GmbH CH
AS60171 AFR-IX TELECOM S.A. ES
AS34177 Celeste SAS FR
AS34019 Hivane Association FR
AS4455 IX Reach Ltd GB
AS15547 netplus.ch SA CH
AS24940 Hetzner Online GmbH DE
AS35600 Vedege SAS FR
AS39120 Convergenze S.p.A. IT
AS52075 Wifirst S.A.S. FR
AS8839 SDV6TM SAS FR
AS6057 Administracion Nacional de Telecomunicaciones UY
AS215596 KISSGROUP SAS FR
AS199839 MikeNetworks S.a r.l.-S. LU
AS41327 Fiber Telecom S.p.A. IT
AS35280 F5 Networks SARL FR
AS20562 Broadband Hosting B.V. NL
AS28435 JAVIER TAMAYO GARCIA MX
AS25091 IP-Max SA CH
AS3356 Level 3 Parent, LLC US
AS9009 M247 Europe SRL RO
AS43342 BPCE S.A. FR
AS204835 Caisse Nationale des Allocations Familiales (CNAF) FR
AS50628 Leonix Telecom SAS FR
AS132337 Axclusive SG
AS49544 i3D.net B.V NL
AS15557 Societe Francaise Du Radiotelephone SFR SA FR
AS199081 Lancom Ltd. GR
AS198385 AlpineDC SA CH
AS12645 COAXIS HOSTING SASAU FR

Upstreams

AS Number Description Country
AS6762 TELECOM ITALIA SPARKLE S.p.A. IT
AS34927 iFog GmbH CH
AS39351 31173 Services AB SE
AS6939 Hurricane Electric LLC US
AS8298 IPng Networks GmbH CH
AS22356 Durand do Brasil Ltda BR
AS33891 Core Backbone GmbH DE
AS34019 Hivane Association FR
AS34177 Celeste SAS FR
AS60171 AFR IX TELECOM S.A. ES
AS4455 IX Reach Ltd GB
AS6758 Monaco Telecom S.A. MC
AS14840 BR.Digital Telecom BR
AS29075 IELO LIAZO SERVICES SAS FR
AS6057 Administracion Nacional de Telecomunicaciones UY
AS215596 KISSGROUP SAS FR
AS20766 Association Gitoyen FR
AS174 Cogent Communications, LLC US
AS39305 Groupe convergence.com SAS FR
AS41327 Fiber Telecom S.p.A. IT
AS12779 IT.Gate S.p.A. IT
AS25091 IP Max SA ZZ
AS6696 VERIXI SA BE
AS35280 F5 Networks SARL FR
AS20562 Broadband Hosting B.V. NL
AS9009 M247 Europe SRL RO
AS3356 Level 3 Parent, LLC US
AS137409 GSL Networks Pty LTD AU

Downstreams

AS Number Description Country
AS47233 SICAE DU CARMAUSIN SA FR
AS204835 Caisse Nationale des Allocations Familiales CNAF FR
AS50758 Airbus Defence and Space SAS FR
AS209483 BPCE S.A. FR
AS204212 La Lyre du G3 FR
AS198340 Societe Air France S.A. FR
AS204516 CAPLASER SA FR

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Frequently Asked Questions

ASN AS20900 is an Autonomous System Number used to identify a network for BGP internet routing.
AS20900 is listed under IMS Networks SAS.
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.