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AS25761

55IT

Austria (AT)

ASN Information

AS NumberAS25761
AS NameFIFTYFIVE-AS
Organization55 IT Services GmbH
Also known as55IT
CountryAustria (AT)
RegistryRIPE NCC
ASN TypeNSP
Last Seen
Announcement Count2
IPv4 Prefix Count1
IPv6 Prefix Count1
RPKI StatusValid ×1Unknown (could not be determined) ×1
IRR RecordsView IRR route objects
Websitehttps://www.55it.at ↗

AS Path to AS25761

  1. 49544i3Dnet i3D.net B.V
  2. 25761Origin

Most common path, seen 6× in route collector data, latest at a collector in Amsterdam (2026-10-23 09:12:49 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 21 peer session(s)São Paulo: 30 peer session(s)Johannesburg: 36 peer session(s)Singapore: 42 peer session(s)Amsterdam: 47 peer session(s)London: 58 peer session(s)Eugene, OR: 112 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 (2)

View All →
PrefixFamilyRPKILast Seen
170.62.253.0/24IPv4ValidNot looked up yet
2001:67c:fec::/48IPv6Not checkedNot looked up yet

Peers (42)

View All →
ASNameRelationshipPathsLast Seen
AS1299TWELVE99 Arelion Sweden ABUpstream (inferred)161
AS5405INTERDOTLINK Inter.link GmbHUpstream (inferred)105
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)47
AS22356AS22356 - Durand do Brasil LtdaUpstream (inferred)8
AS9002RETN-AS RETN LimitedUpstream (inferred)7
AS49544i3Dnet i3D.net B.VUpstream (inferred)6
AS39120CONVERGENZE-AS Convergenze S.p.A.Upstream (inferred)3
AS24940HETZNER-AS Hetzner Online GmbHUpstream (inferred)2

Neighbours seen next to AS25761 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
AAIXKlagenfurt, AT193.37.144.332001:7f8:4a::3310GNo
AAIXKlagenfurt, AT193.37.144.342001:7f8:4a::3410GNo
VIXVienna, AT193.203.0.1082001:7f8:30:0:1:1:2:576110GNo

IX ports registered by AS25761 (self-reported by the network).

Interconnection Facilities (6)

FacilityCityCountry
Kelag KlagenfurtKlagenfurtAustria
Stadtwerke KlagenfurtKlagenfurt am WörtherseeAustria
Digital Realty VIE1/2 - ViennaViennaAustria
NTT Vienna1 Data Center (VIE1)ViennaAustria
Equinix FR2 - Frankfurt, NorthFrankfurtGermany
NTT Frankfurt 1 Data Center (FRA1)FrankfurtGermany

Data centres where AS25761 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETAS25761:AS-FIFTYFIVE
Member of AS-SETsSee IRR page
Peering policyOpen
Multiple locationsNot Required
Ratio requirementNo
ContractNot Required
TrafficNot available
Traffic ratioNot available
Geographic scopeNot available
Max prefixes (IPv4 / IPv6)100 / 100
Unicast / IPv6 / MulticastYes / Yes / No
Looking glassNot available
Route serverNot available

Contact Information (0)

No public contacts are registered for AS25761.

Only contacts the network has chosen to publish are shown.

Upstreams (26)

View all →
ASNameRelationshipPathsLast Seen
AS1299TWELVE99 Arelion Sweden ABUpstream (inferred)161
AS5405INTERDOTLINK Inter.link GmbHUpstream (inferred)105
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)47
AS22356AS22356 - Durand do Brasil LtdaUpstream (inferred)8
AS9002RETN-AS RETN LimitedUpstream (inferred)7
AS49544i3Dnet i3D.net B.VUpstream (inferred)6
AS39120CONVERGENZE-AS Convergenze S.p.A.Upstream (inferred)3
AS24940HETZNER-AS Hetzner Online GmbHUpstream (inferred)2
AS132337ANSPL-AS-AP - AxclusiveUpstream (inferred)2
AS6204ZET-NET INTERKVM HOST SRLUpstream (inferred)1
AS8218NEO-ASN Zayo Infrastructure France SAUpstream (inferred)1
AS9498BBIL-AP - BHARTI Airtel Ltd.Upstream (inferred)1

Downstreams (5)

ASNameRelationshipPathsLast Seen
AS51658LUCESEM-AS lucesem technology GmbHDownstream (inferred)Inferred—
AS60274zcs EDV Consulting Zoichter GmbHDownstream (inferred)Inferred—
AS210626LIPICER-AS Lipicer KGDownstream (inferred)Inferred—
AS211071—Downstream (inferred)Inferred—
AS219391UPPERCUT-AS Ub services FlexCo (Flexible Kapitalgesellschaft)Downstream (inferred)Inferred—

Registry and network details

Registered holderFIFTYFIVE-AS 55 IT Services GmbH
RegisteredYes
Peering policyOpen
IRR AS-setAS25761:AS-FIFTYFIVE
Registry record last modified
MaintainersRIPE-NCC-END-MNT, at-55it-MNT
Internet exchanges2
Facilities6
Network profile updated

Data updated . See limitations.