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AS51853 Sorgenia Spa | IPGeolocation.io

Q: Why is WHOIS data shown for an ASN?

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

ASN Lookup Tool

Sorgenia Spa sorgenia.it

IT 1 Routes

AS Data

AS51853

AS51853 – Sorgenia Spa

AS Number	51853
AS Name	Sorgenia-as-number
Organization	Sorgenia Spa(org-ss163-ripe)
Country	IT
Website	sorgenia.it
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2010-11-16

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Use ASN data for AS51853 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
91.220.4.0/24	AS51853	Sorgenia Spa	Sorgenia Spa	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 'AS51845 - AS51855'

as-block:       AS51845 - AS51855
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:        2026-02-02T15:31:00Z
last-modified:  2026-02-02T15:31:00Z
source:         RIPE

% Information related to 'AS51853'

% Abuse contact for 'AS51853' is 'ripe@sorgenia.it'

aut-num:        AS51853
as-name:        Sorgenia-as-number
org:            ORG-SS163-RIPE
import:         from AS3302 accept ANY
import:         from AS28716 accept ANY
export:         to AS3302 announce AS51853
export:         to AS28716 announce AS51853
sponsoring-org: ORG-ES264-RIPE
admin-c:        STS230-RIPE
tech-c:         STS230-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SORGENIA-MNT
created:        2010-11-16T09:50:51Z
last-modified:  2025-02-19T13:30:34Z
source:         RIPE # Filtered

organisation:   ORG-SS163-RIPE
org-name:       Sorgenia Spa
country:        IT
org-type:       OTHER
address:        via A. Algardi 4 - 20148 MILANO
admin-c:        RB48692-RIPE
admin-c:        MM60612-RIPE
abuse-c:        STS230-RIPE
mnt-ref:        SORGENIA-MNT
mnt-by:         SORGENIA-MNT
created:        2010-10-04T13:47:05Z
last-modified:  2025-02-18T10:31:00Z
source:         RIPE # Filtered

role:           Sorgenia Tech Staff
address:        Sorgenia Spa
address:        Via Algardi 4
address:        I-20128 Milano
remarks:        Role account for Sorgenia
admin-c:        RB48692-RIPE
admin-c:        MM60612-RIPE
tech-c:         FP16675-RIPE
tech-c:         EB15070-RIPE
nic-hdl:        STS230-RIPE
abuse-mailbox:  ripe@sorgenia.it
mnt-by:         SORGENIA-MNT
created:        2025-02-07T16:02:02Z
last-modified:  2025-02-07T16:38:57Z
source:         RIPE # Filtered

% 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" : "AS51845 - AS51855",
    "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" : "2026-02-02",
    "date_updated" : "2026-02-02",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS51853",
    "as_name" : "Sorgenia-as-number",
    "status" : "ASSIGNED",
    "import" : [ "from AS3302 accept ANY", "from AS28716 accept ANY" ],
    "export" : [ "to AS3302 announce AS51853", "to AS28716 announce AS51853" ],
    "organization" : "ORG-SS163-RIPE",
    "sponsoring_organization" : "ORG-ES264-RIPE",
    "admin_contacts" : [ "STS230-RIPE" ],
    "tech_contacts" : [ "STS230-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "SORGENIA-MNT" ],
    "date_created" : "2010-11-16",
    "date_updated" : "2025-02-19",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-SS163-RIPE",
    "name" : "Sorgenia Spa",
    "type" : "OTHER",
    "address" : [ "via A. Algardi 4 - 20148 MILANO" ],
    "street" : "Via A. Algardi",
    "city" : "Milano",
    "zip_code" : "20148",
    "country" : [ "IT" ],
    "admin_contacts" : [ "RB48692-RIPE", "MM60612-RIPE" ],
    "abuse_contacts" : [ "STS230-RIPE" ],
    "mnt_ref" : [ "SORGENIA-MNT" ],
    "mnt_by" : [ "SORGENIA-MNT" ],
    "date_created" : "2010-10-04",
    "date_updated" : "2025-02-18",
    "source" : "RIPE"
  },
  "administrative_contacts" : [ {
    "handle" : "STS230-RIPE",
    "name" : "Sorgenia Tech Staff",
    "address" : [ "Sorgenia Spa", "Via Algardi 4", "I-20128 Milano" ],
    "street" : "Via Algardi",
    "city" : "Milano",
    "zip_code" : "I-20128",
    "abuse_mailbox" : [ "ripe@sorgenia.it" ],
    "admin_contacts" : [ "RB48692-RIPE", "MM60612-RIPE" ],
    "tech_contacts" : [ "FP16675-RIPE", "EB15070-RIPE" ],
    "remarks" : [ "Role account for Sorgenia" ],
    "mnt_by" : [ "SORGENIA-MNT" ],
    "date_created" : "2025-02-07",
    "date_updated" : "2025-02-07",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "STS230-RIPE",
    "name" : "Sorgenia Tech Staff",
    "address" : [ "Sorgenia Spa", "Via Algardi 4", "I-20128 Milano" ],
    "street" : "Via Algardi",
    "city" : "Milano",
    "zip_code" : "I-20128",
    "abuse_mailbox" : [ "ripe@sorgenia.it" ],
    "admin_contacts" : [ "RB48692-RIPE", "MM60612-RIPE" ],
    "tech_contacts" : [ "FP16675-RIPE", "EB15070-RIPE" ],
    "remarks" : [ "Role account for Sorgenia" ],
    "mnt_by" : [ "SORGENIA-MNT" ],
    "date_created" : "2025-02-07",
    "date_updated" : "2025-02-07",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS28716	Retelit Digital Services S.p.A.	IT
AS3302	Retelit Digital Services S.p.A.	IT

Upstreams

AS Number	Description	Country
AS28716	Retelit Digital Services S.p.A.	IT
AS3302	Retelit Digital Services S.p.A.	IT

Contacts

Email Contacts

ripe@sorgenia.it

Abuse Contacts

ripe@sorgenia.it

Frequently Asked Questions

What is ASN AS51853?

ASN AS51853 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS51853?

AS51853 is listed under Sorgenia Spa.

What do peers, upstreams, and downstreams mean?

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 included here?

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

How can I access full ASN table data?

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.