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AS numbers

AS1853 ACOnet

AS1853 is operated by ACOnet and registered with RIPE NCC (AT) since 1993-09-01.

It announces 17 IPv4 and 2 IPv6 prefixes, 31% of them RPKI valid.

RIPE RIS sees 32 upstream and peer networks and 120 downstream networks next to it.

PeeringDB lists it as an Educational/Research network at 1 internet exchange and 2 facilities. Its peering policy is open.

NameACOnet
Registry (RIR)RIPE NCC
CountryAustria (AT)
Delegated on1993-09-01
Network typeEducational/Research, Regional
Peering policyOpen
IRR as-setRIPE::AS-ACONET
Prefixes (IPv4 / IPv6)17 / 2
RPKI valid31% (6 / 19)
Upstreams and peers32
Downstream networks120
WebsiteACO.net

Routing health

  • AS1853 announces 17 IPv4 and 2 IPv6 prefixes.
  • 6 of 19 announced prefixes are RPKI valid.
  • 13 announced prefixes are not covered by a ROA of AS1853 (they may have none, or another network’s).
  • 32 upstreams and peers, 120 downstream networks seen.

For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.

Announced prefixes 19

  • 78.104.0.0/16
  • 138.22.0.0/16
  • 144.65.0.0/16
  • 185.154.40.0/22
  • 192.88.23.0/24
  • 192.88.24.0/24
  • 192.149.232.0/24
  • 192.153.173.0/24
  • 192.153.174.0/24
  • 192.153.175.0/24
  • 192.153.177.0/24
  • 192.189.51.0/24
  • 193.170.0.0/15
  • 194.37.4.0/22
  • 194.37.8.0/21
  • 194.246.32.0/24
  • 195.177.250.0/23
  • 2001:67c:1864::/48
  • 2001:628::/29

Upstreams and peers 32

The networks RIPE RIS sees next to AS1853 in BGP paths, the most visible first.

Peering

Peering policy: Open. Suggested max-prefix limits: 750 IPv4, 300 IPv6. PeeringDB record

Internet exchanges 1
ExchangePortsSpeedRoute server
VIX2200GYes
Facilities 2
FacilityCityCountry
Digital Realty VIE1/2 - ViennaViennaAT
Vienna University Computer Center (Wien)ViennaAT

More about AS1853

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 21:26 UTC. The country is where the AS number was registered, not necessarily where the network operates.