ASN AS5609 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS5609?

AS5609 is listed under Telecom Italia S.p.A..

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.

AS5609 Telecom Italia S.p.A. | IPGeolocation.io

ASN Lookup Tool

Telecom Italia S.p.A. business.telecomitalia.it

IT 3 Routes

AS Data

AS5609

AS5609 – Telecom Italia S.p.A.

AS Number	5609
AS Name	ASN-CSELT
Organization	Telecom Italia S.p.A.(org-ia34-ripe)
Country	IT
Website	business.telecomitalia.it
Number of IPv4 Routes	1
Number of IPv6 Routes	2
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	1970-01-01

ASN Intelligence API for production workflows

Use ASN data for AS5609 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
163.162.0.0/16	AS5609	Telecom Italia S.p.A.	Telecom Italia S.p.A.	65536
2001:6b8:1234::/48	AS5609	Telecom Italia S.p.A.	Telecom Italia S.p.A.	~1×10²⁴
2001:6b8::/32	AS5609	Telecom Italia S.p.A.	Telecom Italia Lab S.p.A.	~79×10²⁷

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 'AS5537 - AS5631'

as-block:       AS5537 - AS5631
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:        2018-11-22T15:27:22Z
last-modified:  2018-11-22T15:27:22Z
source:         RIPE

% Information related to 'AS5609'

% Abuse contact for 'AS5609' is 'abuse@business.telecomitalia.it'

aut-num:        AS5609
as-name:        ASN-CSELT # AS-CSELT converted to ASN-CSELT for RPSL compliance
org:            ORG-IA34-RIPE
import:         from AS3269 action pref=100; accept ANY
import:         from AS2593 action pref=70; accept AS2593
export:         to AS3269 announce AS-CSELT
export:         to AS2593 announce AS-CSELT
admin-c:        CF9654-RIPE
tech-c:         CF9654-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         INTERB-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2025-05-22T13:33:38Z
source:         RIPE # Filtered

organisation:   ORG-IA34-RIPE
org-name:       Telecom Italia S.p.A.
country:        IT
org-type:       LIR
address:        Via Oriolo Romano 240
address:        I-00189
address:        Roma
address:        ITALY
phone:          +39 06 36881
admin-c:        GP1340-RIPE
admin-c:        ESB35-RIPE
admin-c:        CC297-RIPE
admin-c:        TT616-RIPE
admin-c:        MG18673-RIPE
admin-c:        ASB144-RIPE
abuse-c:        ABT49-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        INTERB-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         INTERB-MNT
created:        2004-04-17T11:31:45Z
last-modified:  2024-02-01T07:59:39Z
source:         RIPE # Filtered

person:         Carlo Fabbiani
address:        Via Reiss Romoli, 274 - Turin
phone:          +390112287414
nic-hdl:        CF9654-RIPE
mnt-by:         CSELT-IPV6-MNT
created:        2024-03-01T13:40:17Z
last-modified:  2024-03-01T13:40:17Z
source:         RIPE

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS5537 - AS5631",
    "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" : "AS5609",
    "as_name" : "ASN-CSELT",
    "status" : "ASSIGNED",
    "import" : [ "from AS3269 action pref=100; accept ANY", "from AS2593 action pref=70; accept AS2593" ],
    "export" : [ "to AS3269 announce AS-CSELT", "to AS2593 announce AS-CSELT" ],
    "organization" : "ORG-IA34-RIPE",
    "admin_contacts" : [ "CF9654-RIPE" ],
    "tech_contacts" : [ "CF9654-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "INTERB-MNT" ],
    "date_created" : "1970-01-01",
    "date_updated" : "2025-05-22",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-IA34-RIPE",
    "name" : "Telecom Italia S.p.A.",
    "type" : "LIR",
    "address" : [ "Via Oriolo Romano 240", "I-00189", "Roma", "ITALY" ],
    "street" : "Via Oriolo Romano",
    "city" : "Roma",
    "zip_code" : "I-00189",
    "country" : [ "IT" ],
    "phone" : [ "+39 06 36881" ],
    "admin_contacts" : [ "GP1340-RIPE", "ESB35-RIPE", "CC297-RIPE", "TT616-RIPE", "MG18673-RIPE", "ASB144-RIPE" ],
    "abuse_contacts" : [ "ABT49-RIPE" ],
    "mnt_ref" : [ "RIPE-NCC-HM-MNT", "INTERB-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "INTERB-MNT" ],
    "date_created" : "2004-04-17",
    "date_updated" : "2024-02-01",
    "source" : "RIPE",
    "addressCountry" : "ITALY"
  },
  "administrative_contacts" : [ {
    "handle" : "CF9654-RIPE",
    "name" : "Carlo Fabbiani",
    "address" : [ "Via Reiss Romoli, 274 - Turin" ],
    "street" : "Turin",
    "phone" : [ "+390112287414" ],
    "mnt_by" : [ "CSELT-IPV6-MNT" ],
    "date_created" : "2024-03-01",
    "date_updated" : "2024-03-01",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "CF9654-RIPE",
    "name" : "Carlo Fabbiani",
    "address" : [ "Via Reiss Romoli, 274 - Turin" ],
    "street" : "Turin",
    "phone" : [ "+390112287414" ],
    "mnt_by" : [ "CSELT-IPV6-MNT" ],
    "date_created" : "2024-03-01",
    "date_updated" : "2024-03-01",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS3269	Telecom Italia S.p.A.	IT
AS2593	Universita di Padova	IT

Upstreams

AS Number	Description	Country
AS3269	Telecom Italia S.p.A.	IT