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AS numbers

AS266475 SEM FRONTEIRAS TELECOMUNICAÇÕES

AS266475 is operated by SEM FRONTEIRAS TELECOMUNICAÇÕES and registered with LACNIC (BR) since 2017-01-10.

It announces 26 IPv4 and 14 IPv6 prefixes, 47% of them RPKI valid.

RIPE RIS sees 12 upstream and peer networks and 4 downstream networks next to it.

PeeringDB lists it as an NSP network at 2 internet exchanges and 1 facility. Its peering policy is open.

NameSEM FRONTEIRAS TELECOMUNICAÇÕES
Registry handleAS266475
Registry (RIR)LACNIC
CountryBrazil (BR)
Delegated on2017-01-10
Network typeNSP, Regional
Peering policyOpen
IRR as-setAS266475:AS-SEMFRONTEIRAS
Prefixes (IPv4 / IPv6)26 / 14
RPKI valid47% (19 / 40)
Upstreams and peers12
Downstream networks4
Websitesemfronteiras.net.br

Routing health

  • AS266475 announces 26 IPv4 and 14 IPv6 prefixes.
  • 19 of 40 announced prefixes are RPKI valid.
  • 21 announced prefixes are not covered by a ROA of AS266475 (they may have none, or another network’s).
  • 12 upstreams and peers, 4 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 40

  • 38.9.112.0/22
  • 38.9.112.0/24
  • 38.9.113.0/24
  • 38.9.114.0/24
  • 38.9.115.0/24
  • 38.56.72.0/22
  • 38.56.72.0/24
  • 38.56.73.0/24
  • 38.56.74.0/24
  • 38.56.75.0/24
  • 38.191.48.0/20
  • 38.191.48.0/23
  • 38.191.50.0/23
  • 38.191.52.0/23
  • 38.191.54.0/23
  • 38.191.56.0/23
  • 38.191.58.0/23
  • 38.191.60.0/23
  • 38.191.60.0/24
  • 38.191.61.0/24
  • 38.191.62.0/23
  • 170.83.172.0/22
  • 170.83.172.0/24
  • 170.83.173.0/24
  • 170.83.174.0/24
  • 170.83.175.0/24
  • 2804:3868:1a00::/39
  • 2804:3868:200::/39
  • 2804:3868:600::/39
  • 2804:3868:1600::/39
  • 2804:3868:4000::/34
  • 2804:3868:8000::/34
  • 2804:3868::/32
  • 2804:3868::/34
  • 2804:3868:c000::/34
  • 2804:3868:e00::/39
  • 2804:3868:f200::/39
  • 2804:3868:f400::/39
  • 2804:3868:f600::/39
  • 2804:3868:f800::/39

Upstreams and peers 12

The networks RIPE RIS sees next to AS266475 in BGP paths, the most visible first.

Peering

Peering policy: Open. Suggested max-prefix limits: 34 IPv4, 10 IPv6. PeeringDB record

Internet exchanges 2
ExchangePortsSpeedRoute server
IX.br (PTT.br) Rio Branco110GNo
IX.br (PTT.br) São Paulo: ATM/MPLA1100GNo
Facilities 1
FacilityCityCountry
Equinix SP4 - São PauloBarueriBR

More about AS266475

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 20:59 UTC. The country is where the AS number was registered, not necessarily where the network operates.