ASN Lookup Tool

CDLAN SpA cdlan.it IT IT 21 Routes

AS Data

AS20836

AS20836 – CDLAN SpA

AS Number 20836
AS Name CDLAN-AS
Organization CDLAN SpA(org-cs11-ripe)
Country IT
Website cdlan.it
Number of IPv4 Routes 16
Number of IPv6 Routes 5
ASN type ISP
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 1970-01-01

ASN Intelligence API for production workflows

Use ASN data for AS20836 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route # IPs
2001:b61::/32 ~79×10²⁷
193.234.181.0/24 256
185.47.228.0/22 1024
5.253.198.0/24 256
2a0a:ec00::/32 ~79×10²⁷
37.220.42.0/24 256
91.142.143.0/24 256
2a07:2840::/32 ~79×10²⁷
178.249.184.0/21 2048
217.171.32.0/20 4096

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 'AS20485 - AS20857'

as-block:       AS20485 - AS20857
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:        2018-11-22T15:27:27Z
last-modified:  2018-11-22T15:27:27Z
source:         RIPE

% Information related to 'AS20836'

% Abuse contact for 'AS20836' is 'lirabuse@cdlan.it'

aut-num:        AS20836
org:            ORG-Cs11-RIPE
as-name:        CDLAN-AS
descr:          Milano
remarks:
remarks:        --------------------------------------------------------------------------
remarks:        Upstream
remarks:        --------------------------------------------------------------------------
import:         from AS3356 accept ANY
export:         to AS3356 announce AS-CDLAN
mp-import:      afi ipv6.unicast from AS3356 accept ANY
mp-export:      afi ipv6.unicast to AS3356 announce AS-CDLAN
import:         from AS6762 accept ANY
export:         to AS6762 announce AS-CDLAN
mp-import:      afi ipv6.unicast from AS6762 accept ANY
mp-export:      afi ipv6.unicast to AS6762 announce AS-CDLAN
import:         from AS174 accept ANY
export:         to AS174 announce AS-CDLAN
mp-import:      afi ipv6.unicast from AS174 accept ANY
mp-export:      afi ipv6.unicast to AS174 announce AS-CDLAN
import:         from AS1299 accept ANY
export:         to AS1299 announce AS-CDLAN
mp-import:      afi ipv6.unicast from AS1299 accept ANY
mp-export:      afi ipv6.unicast to AS1299 announce AS-CDLAN
remarks:        --------------------------------------------------------------------------
remarks:        Customers
remarks:        --------------------------------------------------------------------------
import:         from AS5394 accept AS-UNIDATACUST
export:         to AS5394 announce ANY
mp-import:      afi ipv6.unicast from AS5394 accept AS-UNIDATACUST
mp-export:      afi ipv6.unicast to AS5394 announce ANY
import:         from AS12373 accept AS12373
export:         to AS12373 announce ANY
mp-import:      afi ipv6.unicast from AS12373 accept AS12373
mp-export:      afi ipv6.unicast to AS12373 announce ANY
import:         from AS13160 accept AS13160
export:         to AS13160 announce ANY
mp-import:      afi ipv6.unicast from AS13160 accept AS13160
mp-export:      afi ipv6.unicast to AS13160 announce ANY
import:         from AS34971 accept AS34971
export:         to AS34971 announce ANY
mp-import:      afi ipv6.unicast from AS34971 accept AS34971
mp-export:      afi ipv6.unicast to AS34971 announce ANY
import:         from AS43989 accept AS-EHIWEB
export:         to AS43989 announce ANY
mp-import:      afi ipv6.unicast from AS43989 accept AS-EHIWEB
mp-export:      afi ipv6.unicast to AS43989 announce ANY
import:         from AS44473 accept AS44473
export:         to AS44473 announce ANY
mp-import:      afi ipv6.unicast from AS44473 accept AS44473
mp-export:      afi ipv6.unicast to AS44473 announce ANY
import:         from AS44513 accept AS44513
export:         to AS44513 announce ANY
mp-import:      afi ipv6.unicast from AS44513 accept AS44513
mp-export:      afi ipv6.unicast to AS44513 announce ANY
import:         from AS44567 accept AS44567
export:         to AS44567 announce ANY
mp-import:      afi ipv6.unicast from AS44567 accept AS44567
mp-export:      afi ipv6.unicast to AS44567 announce ANY
import:         from AS49431 accept AS49431
export:         to AS49431 announce ANY
mp-import:      afi ipv6.unicast from AS49431 accept AS49431
mp-export:      afi ipv6.unicast to AS49431 announce ANY
import:         from AS60023 accept AS60023
export:         to AS60023 announce ANY
mp-import:      afi ipv6.unicast from AS60023 accept AS60023
mp-export:      afi ipv6.unicast to AS60023 announce ANY
import:         from AS60975 accept AS60975
export:         to AS60975 announce ANY
mp-import:      afi ipv6.unicast from AS60975 accept AS60975
mp-export:      afi ipv6.unicast to AS60975 announce ANY
import:         from AS64512 accept AS64512
export:         to AS64512 announce ANY
mp-import:      afi ipv6.unicast from AS64512 accept AS64512
mp-export:      afi ipv6.unicast to AS64512 announce ANY
import:         from AS197495 accept AS197495
export:         to AS197495 announce ANY
mp-import:      afi ipv6.unicast from AS197495 accept AS197495
mp-export:      afi ipv6.unicast to AS197495 announce ANY
import:         from AS199321 accept AS199321
export:         to AS199321 announce ANY
mp-import:      afi ipv6.unicast from AS199321 accept AS199321
mp-export:      afi ipv6.unicast to AS199321 announce ANY
import:         from AS202095 accept AS202095
export:         to AS202095 announce ANY
mp-import:      afi ipv6.unicast from AS202095 accept AS202095
mp-export:      afi ipv6.unicast to AS202095 announce ANY
import:         from AS203595 accept AS203595
export:         to AS203595 announce ANY
mp-import:      afi ipv6.unicast from AS203595 accept AS203595
mp-export:      afi ipv6.unicast to AS203595 announce ANY
import:         from AS205322 accept AS205322
export:         to AS205322 announce ANY
mp-import:      afi ipv6.unicast from AS205322 accept AS205322
mp-export:      afi ipv6.unicast to AS205322 announce ANY
import:         from AS206244 accept AS206244
export:         to AS206244 announce ANY
mp-import:      afi ipv6.unicast from AS206244 accept AS206244
mp-export:      afi ipv6.unicast to AS206244 announce ANY
remarks:        --------------------------------------------------------------------------
remarks:        Peering
remarks:        --------------------------------------------------------------------------
import:         from AS-ANY accept ANY
export:         to AS-ANY announce AS-CDLAN
mp-import:      afi ipv6.unicast from AS-ANY accept ANY
mp-export:      afi ipv6.unicast to AS-ANY announce AS-CDLAN
remarks:        --------------------------------------------------------------------------
remarks:        MACROS IN USE: AS-CDLAN - CDLAN S.r.l. routes
remarks:        Communities in use:
remarks:
remarks:        == Route Tags ==
remarks:        20836:0001 CDLAN routes
remarks:        20836:0002 Route Learned from customer
remarks:
remarks:        20836:1000 Route Learned from transit peers
remarks:        20836:1001 Route Learned from AS1299 (Telia)
remarks:        20836:1002 Route Learned from AS3356 (Level3)
remarks:        20836:1003 Route Learned from AS174 (Cogent)
remarks:        20836:1004 Route Learned from AS6762 (TI-Sparkle)
remarks:
remarks:        20836:2000 Route Learned from IXP peers
remarks:        20836:2001 Route Learned from IT-MIX (Milan Internet eXchange)
remarks:        20836:2002 Route Learned from IT-TOPIX (TOrino Piemonte Internet eXchange)
remarks:        20836:2003 Route Learned from IT-MINAP (Milan Neutral Access Point)
remarks:        --------------------------------------------------------------------------
admin-c:        CDP14-RIPE
tech-c:         SASC5-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-CDLAN
created:        1970-01-01T00:00:00Z
last-modified:  2018-10-18T13:35:22Z
source:         RIPE

organisation:   ORG-Cs11-RIPE
org-name:       CDLAN SpA
country:        IT
org-type:       LIR
address:        Via Caldera, 21
address:        20153
address:        Milan
address:        ITALY
phone:          +39 02 6706800
fax-no:         +39 02 67100856
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-CDLAN
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-CDLAN
admin-c:        CDP14-RIPE
admin-c:        SASC5-RIPE
abuse-c:        CLC51-RIPE
created:        2004-04-17T11:31:59Z
last-modified:  2025-06-03T10:14:28Z
source:         RIPE # Filtered

person:         Corrado Del Po
address:        CDLAN SRL
address:        Via Caldera, 21
address:        20153 Milano
address:        Italy
phone:          +39 02 6706800
fax-no:         +39 02 67100856
nic-hdl:        CDP14-RIPE
created:        1970-01-01T00:00:00Z
last-modified:  2016-07-13T09:01:50Z
source:         RIPE # Filtered
mnt-by:         MNT-CDLAN

person:         Salvatore Sciacco
address:        Via Caldera 21
address:        20153
address:        Milano
address:        ITALY
phone:          +39 02 6706800
mnt-by:         RESILANS-MNT
mnt-by:         PDDA-MNT
nic-hdl:        SASC5-RIPE
created:        2009-05-27T11:10:42Z
last-modified:  2016-11-22T13:28:45Z
source:         RIPE # Filtered

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

Parsed Whois Response

Peers

AS Number Description Country
AS8708 DIGI ROMANIA S.A. RO
AS60975 PARVATI SRL IT
AS6762 TELECOM ITALIA SPARKLE S.p.A. IT
AS9498 Bharti Airtel Limited IN
AS3549 Level 3 Communications, Inc. (GBLX) US
AS13160 EMMELIBRI S.R.L. IT
AS13030 Init7 (Switzerland) Ltd. CH
AS6939 Hurricane Electric LLC US
AS6204 ZET.NET IP Transit RO
AS60602 Inovare-Prim SRL MD

Upstreams

AS Number Description Country
AS39120 Convergenze S.p.A. IT
AS24482 SG.GS SG
AS8708 DIGI ROMANIA S.A. RO
AS28716 Retelit Digital Services S.p.A. IT
AS6762 TELECOM ITALIA SPARKLE S.p.A. IT
AS8220 COLT Technology Services Group Limited GB
AS9498 Bharti Airtel Limited IN
AS14840 BR.Digital Telecom BR
AS61973 Netassist International s.r.o. CZ
AS6939 Hurricane Electric LLC US

Downstreams

AS Number Description Country
AS42692 Overweb Srl IT
AS13160 EMMELIBRI S.R.L. IT
AS44473 S.T. S.r.l. IT
AS49431 KPMG BUSINESS SERVICES SRL IT
AS211740 WISE DIALOG BANK SPA IT
AS202889 ST WI net Srl IT
AS44567 Technology Transfer Intercontinental S.R.L IT
AS202095 RCS MediaGroup S.p.a. IT
AS34971 CDLAN SpA IT
AS199321 Intesys Networking Srl IT

Ready to get started?Get Started with IP Intelligence API Today

Get Started
CTA Illustration

Frequently Asked Questions

ASN AS20836 is an Autonomous System Number used to identify a network for BGP internet routing.
AS20836 is listed under CDLAN SpA.
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.