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AS numbers

AS21559 OSNET

AS21559 is operated by OSNET and registered with ARIN (PR) since 2010-07-07.

It announces 42 IPv4 and 1 IPv6 prefixes, 65% of them RPKI valid.

RIPE RIS sees 21 upstream and peer networks and 38 downstream networks next to it.

PeeringDB lists it as an NSP network at 5 internet exchanges and 10 facilities. Its peering policy is open.

NameOSNET
Registry (RIR)ARIN
CountryPuerto Rico (PR)
Delegated on2010-07-07
Network typeNSP, Regional
Peering policyOpen
IRR as-setRADB::AS21559:AS-OSNPR
Prefixes (IPv4 / IPv6)42 / 1
RPKI valid65% (28 / 43)
Upstreams and peers21
Downstream networks38
Websitew2.osnetpr.net

Routing health

  • AS21559 announces 42 IPv4 and 1 IPv6 prefixes.
  • 28 of 43 announced prefixes are RPKI valid.
  • 15 announced prefixes are not covered by a ROA of AS21559 (they may have none, or another network’s).
  • 21 upstreams and peers, 38 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 43

  • 38.2.160.0/19
  • 38.87.232.0/21
  • 38.107.88.0/21
  • 67.206.200.0/21
  • 69.24.197.0/24
  • 69.24.198.0/24
  • 69.24.199.0/24
  • 69.24.200.0/24
  • 72.46.156.0/23
  • 72.46.157.0/24
  • 72.46.158.0/23
  • 74.119.24.0/22
  • 74.119.24.0/24
  • 104.218.240.0/22
  • 104.218.241.0/24
  • 104.238.192.0/22
  • 104.238.232.0/23
  • 149.18.21.0/24
  • 149.18.39.0/24
  • 154.64.208.0/21
  • 154.64.216.0/21
  • 167.94.224.0/23
  • 167.94.225.0/24
  • 172.93.2.0/23
  • 173.239.206.0/24
  • 173.239.228.0/24
  • 192.228.98.0/23
  • 192.254.96.0/20
  • 192.254.96.0/24
  • 192.254.97.0/24
  • 192.254.109.0/24
  • 198.52.240.0/22
  • 198.52.240.0/24
  • 198.52.241.0/24
  • 199.116.62.0/24
  • 200.5.16.0/20
  • 200.5.22.0/24
  • 200.5.23.0/24
  • 204.77.10.0/23
  • 204.77.11.0/24
  • 208.81.58.0/23
  • 208.81.59.0/24
  • 2604:1cc0::/32

Upstreams and peers 21

The networks RIPE RIS sees next to AS21559 in BGP paths, the most visible first.

Peering

Peering policy: Open. Suggested max-prefix limits: 600 IPv4, 200 IPv6. PeeringDB record

Internet exchanges 5
ExchangePortsSpeedRoute server
Equinix Ashburn110GYes
Equinix Miami110GYes
FL-IX1100GYes
IX.br (PTT.br) São Paulo: ATM/MPLA110GYes
PR-IX: Main2200GYes
Facilities 10
FacilityCityCountry
Cologix JAX1JacksonvilleUS
Equinix BG1 - BogotaBogotaCO
Equinix BG2 - BogotaBogotaCO
Equinix DC1-DC15,DC21-DC22 - AshburnAshburnUS
Equinix MI1 - Miami, NOTAMiamiUS
FiberX Data CenterGuaynaboPR
HUB787 Data CenterCarolinaPR
Neptuno Data CenterGuaynaboPR
NetWave PRSan JuanPR
Telxius San Juan DCSan Juan Puerto RicoUS

More about AS21559

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 08:43 UTC. The country is where the AS number was registered, not necessarily where the network operates.