AS20836 — CDLAN Caldera21
AS Name: CDLAN-AS
Description: Milano
Organization: ORG-Cs11-RIPE
Registry: RIPE
Imports from (25)
Exports to (24)
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: DUMY-RIPE
tech-c: DUMY-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
remarks: ****************************
remarks: * THIS OBJECT IS MODIFIED
remarks: * Please note that all data that is generally regarded as personal
remarks: * data has been removed from this object.
remarks: * To view the original object, please query the RIPE Database at:
remarks: * http://www.ripe.net/whois
remarks: ****************************
Direct Membership
Macros that directly list AS20836 as a member:
AS-PROMETEUS(6 members)
AS-CDLAN(25 members)
AS-SEABONECUSTIT(36 members)
AS-WIFIWEB-MIX(51 members)
AS3303:AS-SWCMPEERS(783 members)
AS-LEVEL3-ORIGINS-EU(7728 members)
Expanded Membership
All macros containing AS20836 (directly or via nested macros): 317
Show 100 macros
AS-CDLAN(42 ASNs)
AS-PROMETEUS(42 ASNs)
AS-WIFIWEB-MIX(51 ASNs)
AS3303:AS-SWCMPEERS(783 ASNs)
AS-CLUESONIT(1,345 ASNs)
AS-GBXSCUST-FULL(1,996 ASNs)
AS-TDCNETEU(1,998 ASNs)
AS-SERVERIUS(2,367 ASNs)
AS-GBXS(2,661 ASNs)
AS-TDCNET(2,713 ASNs)
AS-TDCNET-IPV6(2,713 ASNs)
AS-BT6(2,741 ASNs)
AS-BELBONETOPEERS(3,364 ASNs)
AS-BELGACOM(3,364 ASNs)
AS-LEVEL3-IPV6(3,475 ASNs)
AS-SOX-SRB(3,643 ASNs)
AS-BALKAN-IX-V6(3,646 ASNs)
AS-ASTRAL(3,700 ASNs)
AS-MOBIFON(3,859 ASNs)
AS702:AS-HU-CUSTOMER(3,863 ASNs)
AS-CECOMCZCUST-TRANSIT(3,998 ASNs)
AS-CECOMCZ-TRANSIT(4,005 ASNs)
AS34565:AS-TURKIX-PARTNERS(4,030 ASNs)
AS-REALROUTE(4,267 ASNs)
AS6830:AS-AORTANL(4,359 ASNs)
AS-SEABONECUSTIT(4,379 ASNs)
AS-VODAFONE(4,645 ASNs)
AS-ARCOR(5,067 ASNs)
AS-ARCORGLOBAL(5,069 ASNs)
AS-OPENPEERING(5,106 ASNs)
AS-OPENPEERING-EU(5,106 ASNs)
AS41073:AS-IPV4-INEX-PEERS(5,208 ASNs)
AS-OPENPEERINGMEMBERS(6,072 ASNs)
AS-RTD(6,186 ASNs)
AS-ORANGERO(6,233 ASNs)
AS-TDATANETEU(6,531 ASNs)
AS-TDATANET(6,679 ASNs)
AS-LEVEL3-ORIGINS-EU(7,728 ASNs)
AS-LEVELTHREEEU(7,728 ASNs)
AS-UUNETEUUK(8,356 ASNs)
AS702:AS-UK-CUSTOMER(8,356 ASNs)
AS-AORTA(11,961 ASNs)
AS6830:AS-AORTA(11,961 ASNs)
AS213973:AS-BCIX(13,844 ASNs)
AS213973:AS-PARTNERS(13,844 ASNs)
AS57328:AS-DDIX(13,844 ASNs)
AS59552:AS-SON-IX-RS(13,844 ASNs)
AS-VODAFONE-DE(14,246 ASNs)
AS41073:AS-INEX-PEERS(14,843 ASNs)
AS-MAGYARTELEKOM(17,357 ASNs)
AS-MATAV(17,357 ASNs)
AS198792:AS-PEER-AMSIX-V4(19,486 ASNs)
AS-OCCAID6(19,611 ASNs)
AS-OCCAID6-CUSTOMERS(19,611 ASNs)
AS-NOTSURFNET-PEERS(19,650 ASNs)
AS3491:AS-CUSTOMERS-NA(25,092 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-SWISS-IX(28,564 ASNs)
AS-FIXO(29,811 ASNs)
AS209861:AS-PEERS(29,811 ASNs)
AS55176:AS-MEMBERS(29,827 ASNs)
AS-IXPLAY(30,348 ASNs)
AS-STARTNIX-EU(30,348 ASNs)
AS30781:AS-JAGUAR-PEERING-SWISS-IX(31,389 ASNs)
AS-T-CIX(36,150 ASNs)
AS-LSC-IXP-RS(38,302 ASNs)
AS-LSC-IXP(38,312 ASNs)
AS-DECIX-DFW-V6(40,077 ASNs)
AS62499:AS-DECIX-DFW-V6(40,077 ASNs)
AS-4IXP(42,438 ASNs)
AS702:AS-CUSTOMER(43,022 ASNs)
AS-DECIX-DFW(43,178 ASNs)
AS62499:AS-DECIX-DFW(43,178 ASNs)
AS-INTEROUTE(43,471 ASNs)
AS-RETN6(44,950 ASNs)
AS-ECIX-BER(45,114 ASNs)
AS-TELIANETRU-V6(45,288 ASNs)
AS1299:AS-TWELVE99-RU-V6(45,288 ASNs)
AS-ECIX-HAM(46,249 ASNs)
AS-RETN(47,667 ASNs)
AS-ECIX-MUC(48,469 ASNs)
AS-ECIX-DUS(48,854 ASNs)
AS2914:AS-US(53,991 ASNs)
AS-BIX-V6(56,058 ASNs)
AS-TELIANETRU(56,840 ASNs)
AS1299:AS-TWELVE99-RU-V4(56,840 ASNs)
AS-SEABONE-V6(57,112 ASNs)
AS-TOPIX-RS(57,252 ASNs)
AS3491:AS-CUSTOMERS-AP(58,474 ASNs)
AS1273:AS-CWW(59,499 ASNs)
AS-LEVEL3-UAE(60,102 ASNs)
AS-PLIX6(60,222 ASNs)
AS-SET-INEX-RS(60,298 ASNs)
AS-BCIX-RS(61,123 ASNs)
AS16374:AS-BCIX-RS(61,123 ASNs)
AS-CAIS(61,483 ASNs)
AS-SOVAM-V6(64,052 ASNs)
AS-SOVAM6(64,052 ASNs)
AS-HKIX(64,663 ASNs)
AS-PANTEL(65,191 ASNs)
AS-TTI(65,191 ASNs)
... and 217 more
Upstream AS Paths
45 unique paths, avg length 2.4
AS Looking Glass
Upstream paths (matching graph above)
All 45 Upstream Paths
Complete list of all observed paths
AS20836 IPv4 Address Subnets (17)
| 95.157.64.0/19 | 🇮🇹 IT | CDLAN Address Block (4�-A) | CDLAN-AS |
| 95.157.96.0/19 | 🇮🇹 IT | CDLAN Address Block (4�-B) | CDLAN-AS |
| 217.171.32.0/20 | 🇮🇹 IT | CDLAN Primary Address Block | CDLAN-AS |
| 178.249.184.0/21 | 🇮🇹 IT | CDLAN Secondary Address Block | CDLAN-AS |
| 185.47.228.0/22 | 🇮🇹 IT | CDLAN Address Block (3�) | CDLAN-AS |
| 185.164.176.0/23 | 🇮🇹 IT | OVERWEB ADDRESS BLOCK | CDLAN-AS |
| 178.249.189.0/24 | 🇮🇹 IT | HOUSING | CDLAN-AS |
| 185.112.90.0/24 | 🇮🇹 IT | CDLAN-AS | |
| 185.142.120.0/24 | 🇮🇹 IT | CDLAN-AS | |
| 185.43.151.0/24 | 🇮🇹 IT | NUBO AETHERNA | CDLAN-AS |
AS20836 IPv6 Address Subnets (5)
| 2001:b60::/32 | 🇮🇹 IT | CDLAN Spa | CDLAN-AS |
| 2001:b61::/32 | 🇮🇹 IT | CDLAN spa - Broadband Access | CDLAN-AS |
| 2a07:2840::/32 | 🇮🇹 IT | CDLAN-AS | |
| 2a07:2847::/32 | 🇮🇹 IT | CDLAN-AS | |
| 2a0a:ec00::/32 | 🇮🇹 IT | OVERWEB ADDRESS BLOCK | CDLAN-AS |