ASN AS1945 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS1945?

AS1945 is listed under RENATER.

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.

AS1945 RENATER | IPGeolocation.io

ASN Lookup Tool

RENATER renater.fr

FR 5 Routes

AS Data

AS1945

AS1945 – RENATER

AS Number	1945
AS Name	FR-LyRES
Organization	RENATER (org-ra8-ripe)
Country	FR
Website	renater.fr
Number of IPv4 Routes	5
Number of IPv6 Routes	0
ASN type	EDUCATION
Allocation Status	LEGACY
Registry	RIPE
Date Allocated	2002-08-21

ASN Intelligence API for production workflows

Use ASN data for AS1945 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
156.18.0.0/16	AS1945	RENATER	RENATER	65536
159.84.0.0/16	AS1945	RENATER	Universite Lumiere Lyon	65536
140.77.0.0/16	AS1945	RENATER	Ecole Normale Superieure de Lyon EPSCP	65536
192.33.162.0/24	AS1945	RENATER	Ecole Normale Superieure de Lyon EPSCP	256
192.33.153.0/24	AS1945	RENATER	Ecole Normale Superieure de Lyon EPSCP	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 'AS1935 - AS1955'

as-block:       AS1935 - AS1955
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 'AS1945'

% Abuse contact for 'AS1945' is 'certsvp@renater.fr'

aut-num:        AS1945
as-name:        FR-LyRES
descr:          Lyon Recherche et Enseignement Superieur (LyRES)
descr:          Lyons Research and High Education (LyRES)
descr:          Academic metropolitan area network of Lyons, France
import:         from AS2200 action pref=100; accept ANY
export:         to AS2200 announce AS1945
org:            ORG-RA8-RIPE
admin-c:        JD2073-RIPE
tech-c:         GR258-RIPE
status:         LEGACY
mnt-by:         RENATER-MNT
remarks:        changed:        RenSVP@Renater.fr 20041228
remarks:        changed:        rensvp@renater.fr 20171114
remarks:        changed:        rensvp@renater.fr 20190624
created:        2002-08-21T16:42:15Z
last-modified:  2019-06-24T12:28:05Z
source:         RIPE # Filtered

organisation:   ORG-RA8-RIPE
org-name:       Renater
country:        FR
reg-nr:         180 089 476
org-type:       LIR
address:        23-25, rue Daviel
address:        75013
address:        Paris
address:        FRANCE
phone:          +33153942030
fax-no:         +33153942031
admin-c:        DGR28-RIPE
tech-c:         FL842-RIPE
tech-c:         CT1053-RIPE
tech-c:         GRSO1-RIPE
abuse-c:        RA6839-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        RENATER-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         RENATER-MNT
remarks:        changed:        rensvp@renater.fr 20200901
remarks:        changed:        rensvp@renater.fr 20260817
created:        2004-04-17T11:23:28Z
last-modified:  2026-08-17T11:33:18Z
source:         RIPE # Filtered

person:         Gilles RECH
address:        Centre Inter-etablissement pour les Services Reseaux
address:        Universite Claude Bernard Lyon I, bat Braconnier
address:        21 avenue Claude Bernard
address:        69622 VILLEURBANNE CEDEX, FRANCE
phone:          +33 4 72 44 83 60
fax-no:         +33 4 72 44 84 10
nic-hdl:        GR258-RIPE
mnt-by:         RENATER-MNT
remarks:        changed:        Gilles.Rech@univ-lyon1.fr 19970605
remarks:        changed:        rensvp@renater.fr 20080421
remarks:        changed:        rensvp@renater.fr 20130418
created:        1970-01-01T00:00:00Z
last-modified:  2015-08-07T14:12:02Z
source:         RIPE # Filtered

person:         Jean DOREY
address:        G.I.P.P�le Universitaire de Lyon
address:        Quartier Sergent Blandan
address:        37 rue du Repos
address:        69365 Lyon CEDEX 07
phone:          +33 4 37 37 26 72
fax-no:         +33 4 37 37 26 71
mnt-by:         RENATER-MNT
nic-hdl:        JD2073-RIPE
remarks:        changed:        Rensvp@Renater.fr 20041228
created:        2004-12-28T09:56:08Z
last-modified:  2015-08-07T14:13:24Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.124.1 (SHETLAND)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS1935 - AS1955",
    "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" : "2018-11-22",
    "date_updated" : "2018-11-22",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS1945",
    "as_name" : "FR-LyRES",
    "description" : [ "Lyon Recherche et Enseignement Superieur (LyRES)", "Lyons Research and High Education (LyRES)", "Academic metropolitan area network of Lyons, France" ],
    "status" : "LEGACY",
    "import" : [ "from AS2200 action pref=100; accept ANY" ],
    "export" : [ "to AS2200 announce AS1945" ],
    "organization" : "ORG-RA8-RIPE",
    "admin_contacts" : [ "JD2073-RIPE" ],
    "tech_contacts" : [ "GR258-RIPE" ],
    "remarks" : [ "changed:        RenSVP@Renater.fr 20041228", "changed:        rensvp@renater.fr 20171114", "changed:        rensvp@renater.fr 20190624" ],
    "mnt_by" : [ "RENATER-MNT" ],
    "date_created" : "2002-08-21",
    "date_updated" : "2019-06-24",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-RA8-RIPE",
    "name" : "Renater",
    "type" : "LIR",
    "address" : [ "23-25, rue Daviel", "75013", "Paris", "FRANCE" ],
    "street" : "Rue Daviel",
    "city" : "Paris",
    "zip_code" : "75013",
    "country" : [ "FR" ],
    "phone" : [ "+33153942030" ],
    "fax_no" : [ "+33153942031" ],
    "admin_contacts" : [ "DGR28-RIPE" ],
    "tech_contacts" : [ "FL842-RIPE", "CT1053-RIPE", "GRSO1-RIPE" ],
    "abuse_contacts" : [ "RA6839-RIPE" ],
    "remarks" : [ "changed:        rensvp@renater.fr 20200901", "changed:        rensvp@renater.fr 20260817" ],
    "mnt_ref" : [ "RIPE-NCC-HM-MNT", "RENATER-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "RENATER-MNT" ],
    "date_created" : "2004-04-17",
    "date_updated" : "2026-08-17",
    "source" : "RIPE",
    "addressCountry" : "FRANCE"
  },
  "administrative_contacts" : [ {
    "handle" : "JD2073-RIPE",
    "name" : "Jean DOREY",
    "address" : [ "G.I.P.P?le Universitaire de Lyon", "Quartier Sergent Blandan", "37 rue du Repos", "69365 Lyon CEDEX 07" ],
    "street" : "Rue Du Repos",
    "city" : "Lyon Cedex 07",
    "zip_code" : "69365",
    "phone" : [ "+33 4 37 37 26 72" ],
    "fax_no" : [ "+33 4 37 37 26 71" ],
    "remarks" : [ "changed:        Rensvp@Renater.fr 20041228" ],
    "mnt_by" : [ "RENATER-MNT" ],
    "date_created" : "2004-12-28",
    "date_updated" : "2015-08-07",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "GR258-RIPE",
    "name" : "Gilles RECH",
    "address" : [ "Centre Inter-etablissement pour les Services Reseaux", "Universite Claude Bernard Lyon I, bat Braconnier", "21 avenue Claude Bernard", "69622 VILLEURBANNE CEDEX, FRANCE" ],
    "street" : "Avenue Claude Bernard",
    "city" : "Villeurbanne Cedex",
    "zip_code" : "69622",
    "country" : "FRANCE",
    "phone" : [ "+33 4 72 44 83 60" ],
    "fax_no" : [ "+33 4 72 44 84 10" ],
    "remarks" : [ "changed:        Gilles.Rech@univ-lyon1.fr 19970605", "changed:        rensvp@renater.fr 20080421", "changed:        rensvp@renater.fr 20130418" ],
    "mnt_by" : [ "RENATER-MNT" ],
    "date_created" : "1970-01-01",
    "date_updated" : "2015-08-07",
    "source" : "RIPE",
    "addressCountry" : "FRANCE"
  } ]
}

Peers

AS Number	Description	Country
AS2060	Renater	FR
AS2200	Renater	FR

Upstreams

AS Number	Description	Country
AS2200	Renater	FR

Downstreams

AS Number	Description	Country
AS2060	Renater	FR