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AS numbers

AS31673 Uniserver Internet BV

AS31673 is operated by Uniserver Internet BV and registered with RIPE NCC (NL) since 2004-07-07.

It announces 34 IPv4 and 12 IPv6 prefixes, 93% of them RPKI valid.

RIPE RIS sees 45 upstream and peer networks and 0 downstream networks next to it.

PeeringDB lists it as an NSP network at 3 internet exchanges and 4 facilities. Its peering policy is restrictive.

NameUniserver Internet BV
Registry (RIR)RIPE NCC
CountryNetherlands (NL)
Delegated on2004-07-07
Network typeNSP, Europe
Peering policyRestrictive
IRR as-setRIPE::AS-UNISERVER
Prefixes (IPv4 / IPv6)34 / 12
RPKI valid93% (43 / 46)
Upstreams and peers45
Downstream networks0
Websiteuniserver.nl

Routing health

  • AS31673 announces 34 IPv4 and 12 IPv6 prefixes.
  • 43 of 46 announced prefixes are RPKI valid.
  • 3 announced prefixes are not covered by a ROA of AS31673 (they may have none, or another network’s).
  • 45 upstreams and peers, 0 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 46

  • 5.39.168.0/21
  • 31.171.200.0/21
  • 62.148.160.0/19
  • 80.247.160.0/20
  • 81.26.208.0/20
  • 81.93.48.0/20
  • 83.136.17.0/24
  • 83.136.18.0/24
  • 83.136.19.0/24
  • 83.143.184.0/21
  • 84.38.224.0/20
  • 85.255.208.0/20
  • 87.237.96.0/21
  • 94.126.64.0/21
  • 178.248.152.0/21
  • 185.2.24.0/22
  • 185.52.212.0/22
  • 185.62.208.0/22
  • 185.87.152.0/22
  • 185.88.188.0/22
  • 185.111.120.0/22
  • 185.121.92.0/23
  • 185.121.94.0/24
  • 185.139.148.0/22
  • 185.168.85.0/24
  • 185.168.86.0/23
  • 185.181.84.0/22
  • 185.185.164.0/22
  • 185.226.136.0/23
  • 193.30.6.0/23
  • 193.36.186.0/24
  • 193.239.88.0/22
  • 194.56.84.0/22
  • 195.69.72.0/22
  • 2a0a:9fc0::/29
  • 2a0b:5a80::/48
  • 2a00:f80::/32
  • 2a01:baa0::/32
  • 2a02:728::/32
  • 2a02:4640::/32
  • 2a03:120::/32
  • 2a03:7000::/32
  • 2a03:8300::/32
  • 2a04:72c0::/29
  • 2a06:5dc0::/29
  • 2001:16e8::/32

Upstreams and peers 45

The networks RIPE RIS sees next to AS31673 in BGP paths, the most visible first.

Peering

Peering policy: Restrictive. Suggested max-prefix limits: 50 IPv4, 20 IPv6. PeeringDB record

Internet exchanges 3
ExchangePortsSpeedRoute server
AMS-IX2200GYes
NL-ix 21100GYes
NL-ix: Main2200GYes
Facilities 4
FacilityCityCountry
ENGIE Cofely (Maastricht-Airport)MaastrichtNL
Equinix AM5 - Amsterdam, SchepenbergwegAmsterdamNL
NorthC AlmereAlmereNL
NorthC Amsterdam 1AmsterdamNL

More about AS31673

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 07:36 UTC. The country is where the AS number was registered, not necessarily where the network operates.