AS20836 CDLAN SpA 🇮🇹 IT

Announcing 21 prefixes, seen at the RIS collectors.

IPv4 prefixes

26,624 (104 × /24)

IPv6 prefixes

5 × /32

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS20836
Name: CDLAN SpA
Organisation: CDLAN
Country: 🇮🇹 IT
RIR: RIPENCC
Allocated: 2001-06-12
Network type: NSP
Traffic levels: 10-20Gbps
Scope: Europe
Peering policy: Open
IRR as-set: AS-CDLAN
Website: http://www.cdlan.it
PeeringDB: net/5502
Exchanges: 3
Facilities: 4

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

13 valid (61.9%) 0 invalid (0.0%) 8 no ROA (38.1%)

Whois

Fetched from whois.ripe.net

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

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 AS42692 accept AS42692
export:         to AS42692 announce ANY
mp-import:      afi ipv6.unicast from AS42692 accept AS42692
mp-export:      afi ipv6.unicast to AS42692 announce ANY
import:         from AS211740 accept AS211740
export:         to AS211740 announce ANY
mp-import:      afi ipv6.unicast from AS211740 accept AS211740
mp-export:      afi ipv6.unicast to AS211740 announce ANY
import:         from AS202889 accept AS202889
export:         to AS202889 announce ANY
mp-import:      afi ipv6.unicast from AS202889 accept AS202889
mp-export:      afi ipv6.unicast to AS202889 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 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 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
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:  2026-06-29T12:50:43Z
source:         RIPE

organisation:   ORG-Cs11-RIPE
org-name:       CDLAN SpA
country:        IT
reg-nr:         13064680153
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:  2026-05-13T07:23:49Z
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