20836 CDLAN-AS Milano, IT
Adjacency: 11 Upstream: 2 Downstream: 9
Upstream Adjacent AS list
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A., IT
Downstream Adjacent AS list
AS13160 EMMELIBRI-AS, IT
AS211740 AS_WIDIBA, IT
AS202095 RCS, IT
AS199321 INTESYS-AS, IT
AS44473 STSRL-AS S.T. S.r.l. Internet Service Provider, IT
AS42692 MUSCOPE, IT
AS34971 PDDA-AS, IT
AS44567 ASCOMPU, IT
AS49431 KPMG-IT-AS, IT
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 5902 AS20836 ORG+TRN Originate: 26624 /17.30 Transit: 14080 /18.22 CDLAN-AS Milano, IT
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 16210 AS20836 CDLAN-AS Milano, IT 16 3 1 14 2 12.50% Prefix AS Path Aggregation Suggestion 5.253.198.0/24 4777 2516 6762 20836 37.220.41.0/24 4777 2497 3356 20836 37.220.42.0/24 4777 2497 3356 20836 91.142.143.0/24 4777 2497 3356 20836 95.157.64.0/18 4777 2516 6762 20836 + Announce - aggregate of 95.157.64.0/19 (4777 2516 6762 20836) and 95.157.96.0/19 (4777 2516 6762 20836) 95.157.64.0/19 4777 2516 6762 20836 - Withdrawn - aggregated with 95.157.96.0/19 (4777 2516 6762 20836) 95.157.96.0/19 4777 2516 6762 20836 - Withdrawn - aggregated with 95.157.64.0/19 (4777 2516 6762 20836) 178.249.184.0/21 4777 2516 6762 20836 178.249.189.0/24 4777 2516 6762 20836 - Withdrawn - matching aggregate 178.249.184.0/21 4777 2516 6762 20836 185.43.151.0/24 4777 2516 6762 20836 185.47.228.0/22 4777 2516 6762 20836 185.112.90.0/24 4777 2516 6762 20836 185.142.120.0/24 4777 2516 6762 20836 185.164.176.0/23 4777 2497 3356 20836 193.234.181.0/24 4777 2497 3356 20836 193.235.114.0/24 4777 2516 6762 20836 217.171.32.0/20 4777 2516 6762 20836
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS20836 12 More Specifics 16 Total Advertisements CDLAN-AS Milano, IT
5.253.198.0/24 5.253.196.0/22
37.220.41.0/24 37.220.40.0/21
37.220.42.0/24 37.220.40.0/21
95.157.64.0/19 95.157.64.0/18
95.157.96.0/19 95.157.64.0/18
178.249.189.0/24 178.249.184.0/21
185.43.151.0/24 185.43.148.0/22
185.112.90.0/24 185.112.88.0/22
185.142.120.0/24 185.142.120.0/23
185.164.176.0/23 185.164.176.0/22
193.234.181.0/24 193.234.0.0/15
193.235.114.0/24 193.234.0.0/15
whois: 402332
IANA has recorded AS20836 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS20836\n % 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.
% 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
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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