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AS numbers

AS28580 FasterNet

AS28580 is operated by FasterNet and registered with LACNIC (BR) since 2005-01-17.

It announces 195 IPv4 and 15 IPv6 prefixes, 5% of them RPKI valid.

RIPE RIS sees 12 upstream and peer networks and 5 downstream networks next to it.

PeeringDB lists it as a Cable/DSL/ISP network at 2 internet exchanges and 4 facilities. Its peering policy is open.

NameFasterNet
Registry handleAS28580
Registry (RIR)LACNIC
CountryBrazil (BR)
Delegated on2005-01-17
Network typeCable/DSL/ISP, Regional
Peering policyOpen
IRR as-setAS-FASTERNET-TRANSIT
Prefixes (IPv4 / IPv6)195 / 15
RPKI valid5% (12 / 210)
Upstreams and peers12
Downstream networks5
Websitefasternet.com.br

Routing health

  • AS28580 announces 195 IPv4 and 15 IPv6 prefixes.
  • 12 of 210 announced prefixes are RPKI valid.
  • 198 announced prefixes are not covered by a ROA of AS28580 (they may have none, or another network’s).
  • 12 upstreams and peers, 5 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 210

  • 45.7.204.0/22
  • 45.7.204.0/23
  • 45.7.204.0/24
  • 45.7.205.0/24
  • 45.7.206.0/23
  • 45.7.206.0/24
  • 45.7.207.0/24
  • 45.166.124.0/22
  • 45.166.124.0/23
  • 45.166.124.0/24
  • 45.166.125.0/24
  • 45.166.126.0/23
  • 45.166.127.0/24
  • 45.170.140.0/22
  • 45.170.140.0/23
  • 45.170.140.0/24
  • 45.170.141.0/24
  • 45.170.142.0/23
  • 45.170.142.0/24
  • 45.170.143.0/24
  • 45.224.76.0/22
  • 45.224.76.0/23
  • 45.224.76.0/24
  • 45.224.77.0/24
  • 45.224.78.0/23
  • 45.224.78.0/24
  • 45.237.16.0/22
  • 45.237.16.0/23
  • 45.237.16.0/24
  • 45.237.17.0/24
  • 45.237.18.0/23
  • 45.237.18.0/24
  • 45.237.19.0/24
  • 138.0.180.0/22
  • 138.0.180.0/23
  • 138.0.180.0/24
  • 138.0.181.0/24
  • 138.0.182.0/23
  • 138.0.182.0/24
  • 138.0.183.0/24
  • 138.122.68.0/22
  • 138.122.68.0/23
  • 138.122.68.0/24
  • 138.122.69.0/24
  • 138.122.70.0/23
  • 138.122.70.0/24
  • 138.122.71.0/24
  • 138.186.180.0/22
  • 138.186.180.0/23
  • 138.186.180.0/24
  • 138.186.181.0/24
  • 138.186.182.0/23
  • 138.186.182.0/24
  • 138.186.183.0/24
  • 143.0.232.0/22
  • 168.90.184.0/22
  • 168.90.184.0/23
  • 168.90.184.0/24
  • 168.90.185.0/24
  • 168.90.186.0/23
  • 168.90.186.0/24
  • 168.90.187.0/24
  • 168.194.4.0/22
  • 168.194.4.0/23
  • 168.194.4.0/24
  • 168.194.5.0/24
  • 168.194.6.0/23
  • 168.194.6.0/24
  • 168.194.7.0/24
  • 168.194.228.0/22
  • 168.194.228.0/23
  • 168.194.228.0/24
  • 168.194.229.0/24
  • 168.194.230.0/23
  • 168.194.230.0/24
  • 168.194.231.0/24
  • 170.245.20.0/22
  • 170.245.20.0/23
  • 170.245.20.0/24
  • 170.245.21.0/24
  • 170.245.22.0/23
  • 170.245.22.0/24
  • 170.245.23.0/24
  • 170.247.116.0/22
  • 170.247.116.0/23
  • 170.247.116.0/24
  • 170.247.117.0/24
  • 170.247.118.0/23
  • 170.247.118.0/24
  • 170.247.119.0/24
  • 177.85.40.0/22
  • 177.85.40.0/23
  • 177.85.40.0/24
  • 177.85.41.0/24
  • 177.85.42.0/23
  • 177.85.42.0/24
  • 177.85.43.0/24
  • 177.101.48.0/20
  • 177.101.48.0/21
  • 177.101.56.0/21

Showing the first 100.

Upstreams and peers 12

The networks RIPE RIS sees next to AS28580 in BGP paths, the most visible first.

Peering

Peering policy: Open. Suggested max-prefix limits: 500 IPv4, 100 IPv6. PeeringDB record

Internet exchanges 2
ExchangePortsSpeedRoute server
IX.br (PTT.br) Campinas: ATM/MPLA110GNo
IX.br (PTT.br) São Paulo: ATM/MPLA2120GNo
Facilities 4
FacilityCityCountry
Cirion Sao Paulo - SAO1CotiaBR
Equinix SP2 - São PauloBarueriBR
Equinix SP3 - São PauloSantana de ParnaibaBR
Equinix SP4 - São PauloBarueriBR

More about AS28580

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-15 17:42 UTC. The country is where the AS number was registered, not necessarily where the network operates.