AS20836 CDLAN SpA

Italy CDLAN-AS RIPE 16 IPv4 prefixes 5 IPv6 prefixes

IPv4 addresses

26,368

IPv6 /48 networks

327,680

RPKI

13 valid8 no ROA

Peers and downstreams

Holder

AS name: CDLAN-AS
Description: Milano
Organisation: CDLAN SpA
Registered in: Milan, Italy
Abuse contact: lirabuse@cdlan.it
Assigned: 2001-06-11
Registered: 1970-01-01
Record last changed: 2026-06-29 12:50 UTC

178.249.184.0/21 178.249.189.0/24 185.112.90.0/24 185.142.120.0/24 185.164.176.0/23 185.43.151.0/24 185.47.228.0/22 193.234.181.0/24 193.235.114.0/24 217.171.32.0/20 37.220.41.0/24 37.220.42.0/24 5.253.198.0/24 91.142.143.0/24 95.157.64.0/19 95.157.96.0/19

Routing changes

Last 30 days

2026-10-04 07:03 UTC	New neighbour	AS8529	peer
2026-10-04 07:03 UTC	Relationship changed	AS9498	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS9009	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS8220	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS8218	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS7713	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS60171	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS5405	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS4455	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS41095	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS31543	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS29632	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS28716	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS264409	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS263444	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS24961	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS24482	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS22356	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS216309	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS216265	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS174	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS14840	upstream to peer
2026-10-04 07:03 UTC	Relationship changed	AS137409	upstream to peer

WHOIS

aut-num:        AS20836
org:            ORG-Cs11-RIPE
as-name:        CDLAN-AS
descr:          Milano
remarks:        
remarks:        --------------------------------------------------------------------------
remarks:        Upstream
remarks:        --------------------------------------------------------------------------
remarks:        --------------------------------------------------------------------------
remarks:        Customers
remarks:        --------------------------------------------------------------------------
remarks:        --------------------------------------------------------------------------
remarks:        Peering
remarks:        --------------------------------------------------------------------------
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
% 64 routing policy lines (import/export) not shown

Routing data

Updated just now

Registry record

Fetched just now from RIPE

Prefixes and neighbours come from the RIPE RIS route collectors. Data older than 5 minutes is refreshed when this page is opened.

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/20836

const res = await fetch('https://ip-fd.net/api/v1/asn/20836', {
  headers: { 'X-API-Key': 'YOUR_KEY' }
});
const data = await res.json();
console.log(data);

import requests

r = requests.get('https://ip-fd.net/api/v1/asn/20836', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/20836');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['X-API-Key: YOUR_KEY']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = json_decode(curl_exec($ch), true);
print_r($data);

req, _ := http.NewRequest("GET", "https://ip-fd.net/api/v1/asn/20836", nil)
req.Header.Set("X-API-Key", "YOUR_KEY")
res, err := http.DefaultClient.Do(req)
if err != nil {
    log.Fatal(err)
}
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))

Works without a key at a lower rate. Get a free key.

AS1299	Arelion Sweden AB TWELVE99
AS3303	Swisscom (Schweiz) AG SWISSCOM
AS3356	Level 3 Parent, LLC LEVEL3
AS6762	TELECOM ITALIA SPARKLE S.p.A. SEABONE-NET
AS6939	Hurricane Electric LLC HURRICANE
AS13030	Init7 (Switzerland) Ltd. INIT7

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

AS174
AS4455	IX Reach Ltd BSO
AS5392	TELNET S.r.l. TELNET-ITALY
AS5394	UNIDATA S.p.A. Unidata
AS5405	Inter.link GmbH INTERDOTLINK
AS6204	TMRC GROUP SRL ZET-NET
AS7713	PT Telekomunikasi Indonesia telkomnet-as-ap
AS8218	Zayo Infrastructure France SA NEO-ASN
AS8220	COLT Technology Services Group Limited COLT
AS8529	Zain Omantel International FZ-LLC OMANTEL-AS
AS8660	Italiaonline S.p.A. MATRIX-AS
AS9009	M247 Europe SRL M247
AS9498	BHARTI Airtel Ltd. BBIL-AP
AS12637	SEEWEB s.r.l. SEEWEB
AS12779	IT.Gate S.p.A. ITGATE
AS13237	euNetworks GmbH LAMBDANET-AS
AS14840	BR.Digital Telecom AS14840
AS15605	Connesi s.p.a. CONNESI
AS20811	Retelit Digital Services S.p.A. BRENNERCOM-AS
AS20912	Giuliano Claudio Peritore trading as "Panservice s.a.s. di Cuseo Fabrizio & C." ASN-PANSERVICE
AS22356	Durand do Brasil Ltda AS22356
AS24482	SG.GS SGGS-AS-AP
AS24961	WIIT AG MYLOC-AS
AS28716	Retelit Digital Services S.p.A. RETELIT-AS
AS29632	Netassist International EOOD NASSIST-AS
AS31543	myNet GmbH MYNET-AS
AS34971	CDLAN SpA PDDA-AS
AS41095	IPTP LTD IPTP
AS41327	Fiber Telecom S.p.A. FIBERTELECOM-AS
AS42692	Overweb Srl muscope
AS44473	S.T. S.r.l. STSRL-AS
AS44567	Technology Transfer Intercontinental S.R.L ASCOMPU
AS49431	KPMG BUSINESS SERVICES SRL KPMG-IT-AS
AS49544	i3D.net B.V i3Dnet
AS49605	Digital Telecommunication Services S.r.l. DTS-AS
AS49709	Videobyte S.r.l. VIDEOBYTE
AS50877	Airbeam S.r.l. AIRBEAM-AS
AS51185	MainStreaming SpA MAINSTREAMING-AS
AS57111	NOVA NETWORKS S.R.L. ALTITUD
AS59919	Brainbox S.r.l. BRAINBOX
AS60171	AFR-IX TELECOM S.A. AFRIX-AS
AS137409	GSL Networks Pty LTD GSLNETWORKS-AS-AP
AS198150	SIACOM JSC SIACOM-AS
AS199321	Intesys Networking Srl INTESYS-AS
AS202032	GOLINE SA GOLINE
AS202095	RCS MediaGroup S.p.a. RCS
AS202889	ST WI-net Srl STWINET-AS
AS211740	WISE DIALOG BANK SPA AS_WIDIBA
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS216265	ARISTO NETWORKS LTD ARISTO-NET
AS216309	InvisionTech Group S.r.l. INVISIONTECH-GROUP-SRL
AS263444	Open X Tecnologia Ltda AS263444
AS264409	Huge Solucoes Corporativas Ltda AS264409