ASN Lookup Tool

CIELO SRL cielo.io IT IT 4 Routes

AS Data

AS51001

AS51001CIELO SRL

AS Number 51001
AS Name cielo
Organization CIELO SRL(org-cs420-ripe)
Country IT
Website cielo.io
Number of IPv4 Routes 4
Number of IPv6 Routes 0
ASN type BUSINESS
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2016-07-08

ASN Intelligence API for production workflows

Use ASN data for AS51001 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
185.158.239.0/24 256
185.158.238.0/24 256
185.158.236.0/24 256
185.158.237.0/24 256

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 'AS50893 - AS51311'

as-block:       AS50893 - AS51311
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:        2024-12-10T14:54:30Z
last-modified:  2024-12-10T14:54:30Z
source:         RIPE

% Information related to 'AS51001'

% Abuse contact for 'AS51001' is 'info@cielo.io'

aut-num:        AS51001
as-name:        cielo
org:            ORG-CS420-RIPE
import:         from AS12874 accept ANY
export:         to AS12874 announce AS51001
import:         from AS6762 accept ANY
export:         to AS6762 announce AS51001
import:         from AS61968 accept ANY
export:         to AS61968 announce AS51001
import:         from AS9002 accept ANY
export:         to AS9002 announce AS51001
admin-c:        CS13714-RIPE
tech-c:         CS13714-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         it-cielo-1-mnt
created:        2016-07-08T10:23:53Z
last-modified:  2025-08-27T09:56:03Z
source:         RIPE

organisation:   ORG-CS420-RIPE
org-name:       CIELO SRL
country:        IT
org-type:       LIR
address:        Via Kennedy, 84
address:        27058
address:        Voghera
address:        ITALY
phone:          +390383644311
admin-c:        CS13714-RIPE
tech-c:         CS13714-RIPE
abuse-c:        AR36881-RIPE
mnt-ref:        it-cielo-1-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         it-cielo-1-mnt
created:        2016-07-06T07:33:32Z
last-modified:  2020-12-16T13:28:24Z
source:         RIPE # Filtered

person:         Cielo S.r.l.
address:        Via Kennedy, 84
address:        27058
address:        Voghera
address:        ITALY
phone:          +390383644311
nic-hdl:        CS13714-RIPE
mnt-by:         it-cielo-1-mnt
created:        2016-07-06T07:33:31Z
last-modified:  2017-03-03T10:59:25Z
source:         RIPE

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

Parsed Whois Response

Peers

AS Number Description Country
AS6762 TELECOM ITALIA SPARKLE S.p.A. IT
AS6939 Hurricane Electric LLC US
AS6204 ZET.NET IP Transit RO
AS60602 Inovare-Prim SRL MD
AS61968 MIX S.r.L. Milan Internet eXchange IT
AS14537 Continent 8 LLC US
AS198150 SIACOM JSC GE
AS8529 Zain Omantel International FZ-LLC AE
AS57344 Telehouse EAD BG
AS25160 Vorboss Limited GB

Upstreams

AS Number Description Country
AS39120 Convergenze S.p.A. IT
AS6762 TELECOM ITALIA SPARKLE S.p.A. IT
AS14840 BR.Digital Telecom BR
AS9002 RETN Limited GB
AS8218 operated Upstreamnet gmbh FR
AS4455 IX Reach Ltd GB
AS6204 ZET.NET IP Transit RO
AS24961 WIIT AG DE
AS6939 Hurricane Electric LLC US
AS9009 M247 Europe SRL RO

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Frequently Asked Questions

ASN AS51001 is an Autonomous System Number used to identify a network for BGP internet routing.
AS51001 is listed under CIELO SRL.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.