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AS51333

ARCOLINK

Italy (IT)

ASN Information

AS NumberAS51333
AS NameARCOLINK-ASN
OrganizationArcolink Telecomunicazioni S.r.l.
Also known asARCOLINK
CountryItaly (IT)
RegistryRIPE NCC
ASN TypeCable/DSL/ISP
Last Seen
Announcement Count13
IPv4 Prefix Count10
IPv6 Prefix Count3
RPKI StatusValid ×10Unknown (could not be determined) ×3
IRR RecordsView IRR route objects
Websitehttp://www.arcolink.it ↗

AS Path to AS51333

  1. 58511ANYCAST-GLOBAL-BACKBONE - Anycast Global Backbone
  2. 51333Origin

Most common path, seen 20× in route collector data, latest at a collector in Eugene, OR (2026-10-23 12:41:41 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 11 peer session(s)São Paulo: 15 peer session(s)Johannesburg: 19 peer session(s)Singapore: 22 peer session(s)Amsterdam: 23 peer session(s)London: 31 peer session(s)Eugene, OR: 56 peer session(s)
High (10+ peers)Medium (3–9)Low (1–2)

Approximate route collector locations, coloured by peer sessions carrying this AS's routes.

Announced Prefixes (13)

View All →
PrefixFamilyRPKILast Seen
31.15.96.0/21IPv4ValidNot looked up yet
185.58.4.0/22IPv4ValidNot looked up yet
188.65.80.0/24IPv4ValidNot looked up yet
188.65.81.0/24IPv4ValidNot looked up yet
188.65.84.0/24IPv4ValidNot looked up yet
188.65.85.0/24IPv4ValidNot looked up yet
188.65.86.0/24IPv4ValidNot looked up yet
188.65.87.0/24IPv4ValidNot looked up yet

Peers (83)

View All →
ASNameRelationshipPathsLast Seen
AS174COGENT-174 - Cogent Communications, LLCUpstream (inferred)360
AS6762SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.Upstream (inferred)190
AS37468Angola Cables - Angola CablesUpstream (inferred)55
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)40
AS137409GSLNETWORKS-AS-AP - GSL Networks Pty LTDUpstream (inferred)25
AS58511ANYCAST-GLOBAL-BACKBONE - Anycast Global BackboneUpstream (inferred)20
AS37100SEACOM Limited - SEACOM LimitedUpstream (inferred)15
AS49544i3Dnet i3D.net B.VUpstream (inferred)15

Neighbours seen next to AS51333 in public AS paths. These are not confirmed BGP sessions; peer IP addresses and locations are not published by these sources.

Public Peering Exchange Points (5)

IX Updates →
ExchangeLocationIPv4IPv6SpeedRS peerUpdated
MINAP MilanMilan, IT185.1.114.402001:7f8:c5::a505:1333:110GYes
MIX-ITMilan, IT217.29.67.122001:7f8:b:100:1d1:a5d5:1333:1210GYes
NL-ixAmsterdam, Rotterdam, Brussels, Luxembourg, Frankfurt, Düsseldorf, Berlin, Dublin, London, Copenhagen, Paris, Marseille, NL193.239.117.1822001:7f8:13::a505:1333:11GYes
Namex RomeRome, IT193.201.28.1062001:7f8:10::5:133310GYes
TIXFlorence, IT193.42.140.33—1GNo

IX ports registered by AS51333 (self-reported by the network).

Interconnection Facilities (2)

FacilityCityCountry
MIX DC CALDERAMilanItaly
Seeweb Milano CalderaMilanItaly

Data centres where AS51333 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETAS-ARCOLINK
Member of AS-SETsSee IRR page
Peering policyOpen
Multiple locationsNot Required
Ratio requirementNo
ContractNot Required
Traffic1-5Gbps
Traffic ratioBalanced
Geographic scopeGlobal
Max prefixes (IPv4 / IPv6)20 / 10
Unicast / IPv6 / MulticastYes / Yes / No
Looking glasshttps://lg.as51333.net ↗
Route serverNot available

Contact Information (0)

No public contacts are registered for AS51333.

Only contacts the network has chosen to publish are shown.

Upstreams (51)

View all →
ASNameRelationshipPathsLast Seen
AS174COGENT-174 - Cogent Communications, LLCUpstream (inferred)360
AS6762SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.Upstream (inferred)190
AS37468Angola Cables - Angola CablesUpstream (inferred)55
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)40
AS137409GSLNETWORKS-AS-AP - GSL Networks Pty LTDUpstream (inferred)25
AS58511ANYCAST-GLOBAL-BACKBONE - Anycast Global BackboneUpstream (inferred)20
AS37100SEACOM Limited - SEACOM LimitedUpstream (inferred)15
AS49544i3Dnet i3D.net B.VUpstream (inferred)15
AS3216SOVAM-AS PJSC "Vimpelcom"Upstream (inferred)10
AS7713telkomnet-as-ap - PT Telekomunikasi IndonesiaUpstream (inferred)10
AS13030INIT7 Init7 (Switzerland) Ltd.Upstream (inferred)10
AS13237LAMBDANET-AS euNetworks GmbHUpstream (inferred)10

Downstreams (2)

ASNameRelationshipPathsLast Seen
AS204504—Downstream (inferred)Inferred—
AS205219—Downstream (inferred)Inferred—

Registry and network details

Registered holderARCOLINK-ASN Arcolink Telecomunicazioni S.r.l.
RegisteredYes
Peering policyOpen
IRR AS-setAS-ARCOLINK
Registry record last modified
MaintainersRIPE-NCC-END-MNT, ARCOLINK-MNT
Internet exchanges5
Facilities2
Network profile updated

Data updated . See limitations.