ASN AS51806 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS51806?

AS51806 is listed under CYBER IMAGINATION CYIM SASAU.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS51806 CYBER IMAGINATION CYIM SASAU

ASN Lookup Tool

CYBER IMAGINATION CYIM SASAU cyim.com

FR 2 Routes

AS Data

AS51806

AS51806 – CYBER IMAGINATION CYIM SASAU

AS Number	51806
AS Name	CYIM
Organization	CYBER IMAGINATION CYIM SASAU (org-sci1-ripe)
Country	FR
Website	cyim.com
Number of IPv4 Routes	1
Number of IPv6 Routes	1
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2010-11-08

ASN Intelligence API for production workflows

Use ASN data for AS51806 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
46.19.24.0/23	AS51806	CYBER IMAGINATION CYIM SASAU	CYIM network hosting & intercos	512
2a02:28c0::/48	AS51806	CYBER IMAGINATION CYIM SASAU	CYIM network	~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 'AS51357 - AS51817'

as-block:       AS51357 - AS51817
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:        2025-02-13T13:57:44Z
last-modified:  2025-02-13T13:57:44Z
source:         RIPE

% Information related to 'AS51806'

% Abuse contact for 'AS51806' is 'abuse@cyim.com'

aut-num:        AS51806
as-name:        CYIM
org:            ORG-SCI1-RIPE
import:         from AS16347 accept ANY
import:         from AS174 accept ANY
export:         to AS16347 announce AS51806
export:         to AS174 announce AS51806
admin-c:        EG3472-RIPE
tech-c:         GM12409-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CYIM-NOC
created:        2010-11-08T14:37:15Z
last-modified:  2025-11-19T10:46:45Z
source:         RIPE # Filtered

organisation:   ORG-SCI1-RIPE
org-name:       CYBER IMAGINATION (CYIM) SASAU
country:        FR
org-type:       LIR
address:        46D, rue Kerautret Botmel
address:        35000
address:        Rennes
address:        FRANCE
phone:          +33299228340
fax-no:         +33299228341
admin-c:        AR12409-RIPE
admin-c:        GM12409-RIPE
mnt-by:         CYIM-NOC
mnt-ref:        CYIM-NOC
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
abuse-c:        CAR129-RIPE
created:        2010-11-02T10:54:09Z
last-modified:  2022-12-07T08:32:06Z
source:         RIPE # Filtered

person:         Erwan Galesne
address:        CYIM
address:        46D, rue Kerautret Botmel
address:        35000 Rennes, France
phone:          +33 2 99 22 83 40
nic-hdl:        EG3472-RIPE
mnt-by:         CYIM-NOC
created:        2010-11-05T09:49:33Z
last-modified:  2025-11-19T09:56:31Z
source:         RIPE # Filtered

person:         Gael Monier
address:        46D, rue Kerautret Botmel
address:        35000 Rennes, France
phone:          +33 2 99 22 83 40
nic-hdl:        GM12409-RIPE
mnt-by:         CYIM-NOC
created:        2010-11-05T09:39:48Z
last-modified:  2025-11-19T09:55:45Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.2 (BUSA)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS51357 - AS51817",
    "description" : [ "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" ],
    "date_created" : "2025-02-13",
    "date_updated" : "2025-02-13",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS51806",
    "as_name" : "CYIM",
    "status" : "ASSIGNED",
    "import" : [ "from AS16347 accept ANY", "from AS174 accept ANY" ],
    "export" : [ "to AS16347 announce AS51806", "to AS174 announce AS51806" ],
    "organization" : "ORG-SCI1-RIPE",
    "admin_contacts" : [ "EG3472-RIPE" ],
    "tech_contacts" : [ "GM12409-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "CYIM-NOC" ],
    "date_created" : "2010-11-08",
    "date_updated" : "2025-11-19",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-SCI1-RIPE",
    "name" : "CYBER IMAGINATION (CYIM) SASAU",
    "type" : "LIR",
    "address" : [ "46D, rue Kerautret Botmel", "35000", "Rennes", "FRANCE" ],
    "street" : "Rue Kerautret Botmel",
    "city" : "Rennes",
    "zip_code" : "35000",
    "country" : [ "FR" ],
    "phone" : [ "+33299228340" ],
    "fax_no" : [ "+33299228341" ],
    "admin_contacts" : [ "AR12409-RIPE", "GM12409-RIPE" ],
    "abuse_contacts" : [ "CAR129-RIPE" ],
    "mnt_ref" : [ "CYIM-NOC", "RIPE-NCC-HM-MNT" ],
    "mnt_by" : [ "CYIM-NOC", "RIPE-NCC-HM-MNT" ],
    "date_created" : "2010-11-02",
    "date_updated" : "2022-12-07",
    "source" : "RIPE",
    "addressCountry" : "FRANCE"
  },
  "administrative_contacts" : [ {
    "handle" : "EG3472-RIPE",
    "name" : "Erwan Galesne",
    "address" : [ "CYIM", "46D, rue Kerautret Botmel", "35000 Rennes, France" ],
    "street" : "Rue Kerautret Botmel",
    "city" : "Rennes",
    "zip_code" : "35000",
    "country" : "FRANCE",
    "phone" : [ "+33 2 99 22 83 40" ],
    "mnt_by" : [ "CYIM-NOC" ],
    "date_created" : "2010-11-05",
    "date_updated" : "2025-11-19",
    "source" : "RIPE",
    "addressCountry" : "FRANCE"
  } ],
  "technical_contacts" : [ {
    "handle" : "GM12409-RIPE",
    "name" : "Gael Monier",
    "address" : [ "46D, rue Kerautret Botmel", "35000 Rennes, France" ],
    "street" : "Rue Kerautret Botmel",
    "city" : "Rennes",
    "zip_code" : "35000",
    "country" : "FRANCE",
    "phone" : [ "+33 2 99 22 83 40" ],
    "mnt_by" : [ "CYIM-NOC" ],
    "date_created" : "2010-11-05",
    "date_updated" : "2025-11-19",
    "source" : "RIPE",
    "addressCountry" : "FRANCE"
  } ]
}

Peers

AS Number	Description	Country
AS1239	Cogent Communications, LLC	US
AS174	Cogent Communications, LLC	US
AS16347	ADISTA SAS	FR

Upstreams

AS Number	Description	Country
AS174	Cogent Communications, LLC	US
AS16347	ADISTA SAS	FR