HomeASN LookupAS1853

AS1853 ACOnet - ACONET

🇦🇹

Org handle: ORG-AA1-RIPE

ACOnet Backbone

RIPE NCCallocated
Announced Prefixes (BGP)
20total
18 IPv42 IPv6
IPv4 Addresses
Allocated (RIR)334,592
Announced (BGP)335,104
IPv6 Addresses
Allocated (RIR)6.3×10²⁹
Announced (BGP)6.3×10²⁹
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
10
Country
🇦🇹 AT
RIR
RIPE NCC
Status
allocated
Allocated
1993-09-01

Routing hygiene

Score 31/100 · Medium risk
RPKI ROA coverage
30%
no RPKI invalid prefixes
IRR route objects
95%
1 prefix registered for another origin
Hijack signals
1
0 announced against others' ROAs, 1 own announced by others
Upstreams
4
diversity 33/100
  • 70% of announced prefixes (14 of 20) have no valid ROA
  • Routes concentrated on one upstream (81% of routes)
  • 1 prefix of this ASN announced by another network against its ROAs

Based on 20 announced prefixes, updated daily (2026-10-25). How the score works · RPKI explained

Announced Prefixes

(BGP)20
|
Prefix
RPKI
IRR
Last Seen
78.104.0.0/16
 Valid
RIPE
2026-10-27
138.22.0.0/16
No ROA
RIPE
2026-10-27
144.65.0.0/16
No ROA
RIPE
2026-10-27
185.154.40.0/22
 Valid
RIPE
2026-10-27
192.88.23.0/24
No ROA
RIPE
2026-10-27
192.88.24.0/24
No ROA
RIPE
2026-10-27
192.149.232.0/24
No ROA
RIPE
2026-10-27
192.153.173.0/24
No ROA
RIPE
2026-10-27
192.153.174.0/24
No ROA
RIPE
2026-10-27
192.153.175.0/24
No ROA
RIPE
2026-10-27
1-10 of 20
1 / 2

Allocated Prefixes

(RIR)19
Prefix
Country
RIR
Status
78.104.0.0/16🇦🇹 ATRIPENCCallocated
138.22.0.0/16🇦🇹 ATRIPENCCassigned
144.65.0.0/16🇦🇹 ATRIPENCCassigned
185.154.40.0/22🇦🇹 ATRIPENCCallocated
192.88.23.0/24🇦🇹 ATRIPENCCassigned
192.88.24.0/24🇦🇹 ATRIPENCCassigned
192.149.232.0/24🇦🇹 ATRIPENCCassigned
192.153.173.0/24🇦🇹 ATRIPENCCassigned
192.153.174.0/24🇦🇹 ATRIPENCCassigned
192.153.175.0/24🇦🇹 ATRIPENCCassigned
1-10 of 19
1 / 2

All 20 announced prefixes of AS1853 →

Downstream Customers(4)

ASNName
AS2852🇨🇿CESNET2 CESNET z.s.p.o.
AS25192🇨🇿CZNIC-AS CZ.NIC, z.s.p.o.
AS200070🇨🇿CZNIC-AS2 CZ.NIC, z.s.p.o.
AS218614🇦🇹HTL-VILLACH Hoehere Technische Bundeslehr und Versuchsanstalt Villach

BGP Neighbours

(seen in AS paths)

Upstreams (4)

Networks AS1853 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS6939Hurricane Electric16
  • AS6720MAGWIEN Magistrat Der Stadt Wien, Magistratsabteilung 012
  • AS20965GEANT Vereniging2
  • AS9002RETN Limited1

Downstreams (53)

Networks whose own prefixes AS1853 passes on: usually its customers.

  • AS20804ASN TELENERGO Exatel S.A13
  • AS760Vienna University7
  • AS51066AUSTROCONTROL Austro Control Oesterreichische Gesellschaft Fuer Zivilluftfahrt Mit Beschraenkter Haftung6
  • AS1205University Linz5
  • AS8692BRZ Bundesrechenzentrum5
  • AS1288Packet Clearing House4
  • AS679TUNET Technische Universitat Wien3
  • AS12762VTG AT Vorarlberger Informatik Und Telekommunikationsdienstleistungsgesellschaft MbH3
  • AS39837MUR Mur.At Verein Zur Foerderung Von Netzwerkkunst3
  • AS47515BMI GOVIX Bundesministerium Fuer Inneres, Sektion IV3
  • AS200070CZNIC AS2 CZ.NIC, Z.S.P.O3
  • AS208740AT BMEIA Bundesministerium Fuer Europaeische Und Internationale Angelegenheiten3
  • AS210543KAGES Steiermaerkische Krankenanstaltengesellschaft MbH3
  • AS2488IIASA NET International Institute For Applied Systems Analysis2
  • AS2494IDDQD2
  • AS13004SOX Serbian Open Exchange DOO2
  • AS26415VeriSign Global Registry Services2
  • AS30971NICAT CORE Nic.At2
  • AS34883FH JOANNEUM FH JOANNEUM Gesellschaft MbH2
  • AS35052AT TLD SERVICES ACONET2
  • AS42685BKA Bundeskanzleramt2
  • AS43848GAMSJAEGER Kabel TV & ISP Betriebs2
  • AS51350TECHNIKUM WIEN Fachhochschule Technikum Wien2
  • AS206021WKSTMK Wirtschaftskammer Steiermark2
  • AS208441LAND SALZBURG Amt Der Salzburger Landesregierung2
  • AS1109Universitaet Salzburg1
  • AS1110University Of Innsbruck1
  • AS1111Universitaet Klagenfurt1
  • AS1112Montanuniversitaet Leoben1
  • AS1113Technische Universitaet Graz1
  • AS1114IDDQD1
  • AS1115IDDQD1
  • AS1117Universitaet Fur Bodenkultur, Wien1
  • AS1120ACONET1
  • AS1776WU (Wirtschaftsuniversitaet Wien) Vienna University Of Economics And Business1
  • AS2036Joanneum Research Forschungsgesellschaft MbH1
  • AS2604MHS GRAZ University Of Music And Performing Arts1
  • AS5403AS5403 APA IT Informations Technologie G.M.B.H1
  • AS6774ASN BICS Belgacom International Carrier Services1
  • AS12895IT AUSTRIA Erste Digital1
  • AS12991Land OOE Amt Der Ooe. Landesregierung1
  • AS13042ASN OENB AT Oesterreichische Nationalbank1
  • AS20537Amt Der NOe Landesregierung1
  • AS21320GEANT IAS VRF GEANT Vereniging1
  • AS25447JM DATA JM DATA1
  • AS34183BMG Bundesministerium F. Gesundheit1
  • AS39057TIROLERLANDESREGIERUNG DVT Daten Verarbeitung Tirol1
  • AS41915LFRZ Land , Forst Und Wasserwirtschaftliches Rechenzentrum1
  • AS207653RHOE GOVIX Rechnungshof Oesterreich1
  • AS211817WSR Wirtschafts Und Sozialwissenschaftliches Rechenzentrum1
  • AS213080OOEG Oberoesterreichische Gesundheitsholding1
  • AS213181CEU1
  • AS215422ADSD Stadt Dornbirn1

Other adjacent networks (8)

Adjacent to AS1853 in the transit part of AS paths: peers, providers or customers.

  • AS2607SANET Zdruzenie Pouzivatelov Slovenskej Akademickej Datovej Siete SANET25
  • AS8501PIONIER Institute Of Bioorganic Chemistry Polish Academy Of Science, Poznan Supercomputing And Networking Center13
  • AS15958CETIN Doo CETIN . Belgrade10
  • AS1764NEXTLAYER Next Layer Telekommunikationsdienstleistungs Und Beratungs5
  • AS5603SIOL NET Telekom Slovenije, D.D3
  • AS215120Evolus IX Evolus IT Solutions3
  • AS19551Incapsula2
  • AS9146BIHNET BH Telecom D.D. Sarajevo1
ASPA
No ASPA0 upstreams, 4 downstreams
Listed as Upstream Provider by
4 ASNs
View full ASPA details →
Abuse Contact
External Links
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API
Open
GEThttps://api.ipctl.io/v1/asn/1853

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/1853" | jq