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AS51681

DATIUM

Spain (ES)

ASN Information

AS NumberAS51681
AS NameDATIUM
OrganizationDATIUM SINEASEN S.L.
Also known asDATIUM
CountrySpain (ES)
RegistryRIPE NCC
ASN TypeCable/DSL/ISP
Last Seen
Announcement Count9
IPv4 Prefix Count9
IPv6 Prefix Count0
RPKI StatusValid ×2NotFound ×7
IRR RecordsView IRR route objects
Websitehttps://www.datium.es ↗

AS Path to AS51681

  1. 37271Workonline Communications(Pty) Ltd - Workonline Communications(Pty) Ltd
  2. 3356LEVEL3 - Level 3 Parent, LLC
  3. 51681Origin

Most common path, seen 20× in route collector data, latest at a collector in Johannesburg (2026-10-17 15:01:36 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 11 peer session(s)São Paulo: 17 peer session(s)Johannesburg: 19 peer session(s)Singapore: 23 peer session(s)Amsterdam: 25 peer session(s)London: 33 peer session(s)Eugene, OR: 57 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 (9)

View All →
PrefixFamilyRPKILast Seen
178.239.208.0/20IPv4ValidNot looked up yet
185.105.16.0/24IPv4ValidNot looked up yet
185.191.8.0/24IPv4NotFoundNot looked up yet
185.191.9.0/24IPv4NotFoundNot looked up yet
185.191.10.0/24IPv4NotFoundNot looked up yet
185.191.11.0/24IPv4NotFoundNot looked up yet
185.251.188.0/24IPv4NotFoundNot looked up yet
185.251.189.0/24IPv4NotFoundNot looked up yet

Peers (17)

View All →
ASNameRelationshipPathsLast Seen
AS3356LEVEL3 - Level 3 Parent, LLCUpstream (inferred)383
AS29119SERVIHOSTING-AS AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONALUpstream (inferred)345
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)55
AS4230AS4230 - CLARO S.A.Upstream (inferred)45
AS137409GSLNETWORKS-AS-AP - GSL Networks Pty LTDUpstream (inferred)25
AS24482SGGS-AS-AP - SG.GSUpstream (inferred)15
AS49544i3Dnet i3D.net B.VUpstream (inferred)15
AS5405INTERDOTLINK Inter.link GmbHUpstream (inferred)5

Neighbours seen next to AS51681 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 (2)

IX Updates →
ExchangeLocationIPv4IPv6SpeedRS peerUpdated
DE-CIX MadridMadrid, ES185.1.192.40—10GNo
ESpanix Madrid Lower LANMadrid, ES193.149.1.1532001:7f8:f::15310GNo

IX ports registered by AS51681 (self-reported by the network).

Interconnection Facilities (4)

FacilityCityCountry
Digital Realty Madrid MAD1-2MadridSpain
Digital Realty Madrid MAD3MadridSpain
Digital Realty Madrid MAD4MadridSpain
NIXVAL DatacenterPaternaSpain

Data centres where AS51681 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETAS51681
Member of AS-SETsSee IRR page
Peering policyOpen
Multiple locationsPreferred
Ratio requirementNo
ContractNot Required
Traffic20-50Gbps
Traffic ratioBalanced
Geographic scopeEurope
Max prefixes (IPv4 / IPv6)24 / 0
Unicast / IPv6 / MulticastYes / No / No
Looking glassNot available
Route serverNot available

Contact Information (4)

RoleNameEmailPhone
NOCNOCnoc@datium.es—
TechnicalDepartamento de sistemassistemas@datium.es+34960300000
PolicyPEERINGredes@datium.es—
AbuseABUSEsistemas@datium.es—

Only contacts the network has chosen to publish are shown.

Upstreams (16)

View all →
ASNameRelationshipPathsLast Seen
AS3356LEVEL3 - Level 3 Parent, LLCUpstream (inferred)383
AS29119SERVIHOSTING-AS AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONALUpstream (inferred)345
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)55
AS4230AS4230 - CLARO S.A.Upstream (inferred)45
AS137409GSLNETWORKS-AS-AP - GSL Networks Pty LTDUpstream (inferred)25
AS24482SGGS-AS-AP - SG.GSUpstream (inferred)15
AS49544i3Dnet i3D.net B.VUpstream (inferred)15
AS5405INTERDOTLINK Inter.link GmbHUpstream (inferred)5
AS24940HETZNER-AS Hetzner Online GmbHUpstream (inferred)5
AS36236NETACTUATE - NetActuate, IncUpstream (inferred)5
AS37721Virtual Technologies & Solutions - Virtual Technologies & SolutionsUpstream (inferred)5
AS47957ING-AS Worldline IGSA SAUpstream (inferred)5

Downstreams (0)

No downstream ASNs found for AS51681 in current data sources.

Registry and network details

Registered holderDATIUM SINEASEN S.L.
RegisteredYes
Peering policyOpen
IRR AS-setAS51681
Registry record last modified
MaintainersRIPE-NCC-END-MNT, CARRIERENABLER-MNT
Internet exchanges2
Facilities4
Network profile updated

Data updated . See limitations.