ASN AS51588 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS51588?

AS51588 is listed under SESAN SERVICE NUMERIQUE DE SANTE GCS.

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.

AS51588 SESAN SERVICE NUMERIQUE DE SANTE GCS

ASN Lookup Tool

SESAN SERVICE NUMERIQUE DE SANTE GCS sesan.fr

FR 7 Routes

AS Data

AS51588

AS51588 – SESAN SERVICE NUMERIQUE DE SANTE GCS

AS Number	51588
AS Name	SESAN
Organization	SESAN SERVICE NUMERIQUE DE SANTE GCS (org-ssnd3-ripe)
Country	FR
Website	sesan.fr
Number of IPv4 Routes	6
Number of IPv6 Routes	1
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2018-09-24

ASN Intelligence API for production workflows

Use ASN data for AS51588 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
194.56.95.0/24	AS51588	SESAN SERVICE NUMERIQUE DE SANTE GCS	GCS SESAN Infogerance	256
194.56.94.0/24	AS51588	SESAN SERVICE NUMERIQUE DE SANTE GCS	Centre Hospitalier des Quatre Villes	256
194.56.92.0/24	AS51588	SESAN SERVICE NUMERIQUE DE SANTE GCS	SESAN SERVICE NUMERIQUE DE SANTE GCS	256
194.56.92.0/22	AS51588	SESAN SERVICE NUMERIQUE DE SANTE GCS	SESAN SERVICE NUMERIQUE DE SANTE GCS	1024
194.56.92.0/23	AS51588	SESAN SERVICE NUMERIQUE DE SANTE GCS	SESAN SERVICE NUMERIQUE DE SANTE GCS	512
2a06:3100::/29	AS51588	SESAN SERVICE NUMERIQUE DE SANTE GCS	FR SESAN INTERCO Adherents	~634×10²⁷
194.56.94.0/23	AS51588	SESAN SERVICE NUMERIQUE DE SANTE GCS	Centre Hospitalier des Quatre Villes	512

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 'AS51588'

% Abuse contact for 'AS51588' is 'samuel.gaiani-porquet@sesan.fr'

aut-num:        AS51588
as-name:        SESAN
org:            ORG-SSND3-RIPE
import:         from AS8218 accept ANY
import:         from AS29075 accept ANY
import:         from AS199483 accept ANY
export:         to AS8218 announce AS51588
export:         to AS29075 announce AS51588
export:         to AS199483 announce AS51588
admin-c:        SG16008-RIPE
tech-c:         SG16008-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         FR-INTERDATA-MNT
mnt-by:         fr-sesan-1-mnt
created:        2018-09-24T09:05:03Z
last-modified:  2022-06-13T14:19:47Z
source:         RIPE

organisation:   ORG-SSND3-RIPE
org-name:       SESAN SERVICE NUMERIQUE DE SANTE GCS
country:        FR
org-type:       LIR
address:        6-8 Rue Firmin Gillot
address:        75015
address:        Paris
address:        FRANCE
phone:          +33 1 48 78 52 48
admin-c:        SG16008-RIPE
tech-c:         SG16008-RIPE
abuse-c:        AR48322-RIPE
mnt-ref:        fr-sesan-1-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         fr-sesan-1-mnt
created:        2018-09-19T07:38:53Z
last-modified:  2020-12-16T12:32:17Z
source:         RIPE # Filtered

person:         Samuel GAIANI-PORQUET
address:        6-8 Rue Firmin Gillot
address:        75015
address:        Paris
address:        FRANCE
phone:          +33 1 48 78 52 48
nic-hdl:        SG16008-RIPE
mnt-by:         fr-sesan-1-mnt
created:        2018-09-19T07:38:52Z
last-modified:  2018-09-19T07:38:52Z
source:         RIPE

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

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" : "AS51588",
    "as_name" : "SESAN",
    "status" : "ASSIGNED",
    "import" : [ "from AS8218 accept ANY", "from AS29075 accept ANY", "from AS199483 accept ANY" ],
    "export" : [ "to AS8218 announce AS51588", "to AS29075 announce AS51588", "to AS199483 announce AS51588" ],
    "organization" : "ORG-SSND3-RIPE",
    "admin_contacts" : [ "SG16008-RIPE" ],
    "tech_contacts" : [ "SG16008-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "FR-INTERDATA-MNT", "fr-sesan-1-mnt" ],
    "date_created" : "2018-09-24",
    "date_updated" : "2022-06-13",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-SSND3-RIPE",
    "name" : "SESAN SERVICE NUMERIQUE DE SANTE GCS",
    "type" : "LIR",
    "address" : [ "6-8 Rue Firmin Gillot", "75015", "Paris", "FRANCE" ],
    "street" : "Rue Firmin Gillot",
    "city" : "Paris",
    "zip_code" : "75015",
    "country" : [ "FR" ],
    "phone" : [ "+33 1 48 78 52 48" ],
    "admin_contacts" : [ "SG16008-RIPE" ],
    "tech_contacts" : [ "SG16008-RIPE" ],
    "abuse_contacts" : [ "AR48322-RIPE" ],
    "mnt_ref" : [ "fr-sesan-1-mnt" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "fr-sesan-1-mnt" ],
    "date_created" : "2018-09-19",
    "date_updated" : "2020-12-16",
    "source" : "RIPE",
    "addressCountry" : "FRANCE"
  },
  "administrative_contacts" : [ {
    "handle" : "SG16008-RIPE",
    "name" : "Samuel GAIANI-PORQUET",
    "address" : [ "6-8 Rue Firmin Gillot", "75015", "Paris", "FRANCE" ],
    "street" : "Rue Firmin Gillot",
    "city" : "Paris",
    "zip_code" : "75015",
    "country" : "FRANCE",
    "phone" : [ "+33 1 48 78 52 48" ],
    "mnt_by" : [ "fr-sesan-1-mnt" ],
    "date_created" : "2018-09-19",
    "date_updated" : "2018-09-19",
    "source" : "RIPE",
    "addressCountry" : "FRANCE"
  } ],
  "technical_contacts" : [ {
    "handle" : "SG16008-RIPE",
    "name" : "Samuel GAIANI-PORQUET",
    "address" : [ "6-8 Rue Firmin Gillot", "75015", "Paris", "FRANCE" ],
    "street" : "Rue Firmin Gillot",
    "city" : "Paris",
    "zip_code" : "75015",
    "country" : "FRANCE",
    "phone" : [ "+33 1 48 78 52 48" ],
    "mnt_by" : [ "fr-sesan-1-mnt" ],
    "date_created" : "2018-09-19",
    "date_updated" : "2018-09-19",
    "source" : "RIPE",
    "addressCountry" : "FRANCE"
  } ]
}

Peers

AS Number	Description	Country
AS199483	NXO France SAS	FR
AS8218	operated Upstreamnet gmbh	FR
AS29075	IELO LIAZO SERVICES SAS	FR
AS8218	Zayo Infrastructure France SA	FR
AS29075	IELO-LIAZO SERVICES SAS	FR

Upstreams

AS Number	Description	Country
AS8218	operated Upstreamnet gmbh	FR
AS29075	IELO LIAZO SERVICES SAS	FR