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AS numbers

AS52977 Sul Online Telecom EIRELI

AS52977 is operated by Sul Online Telecom EIRELI and registered with LACNIC (BR) since 2011-03-25.

It announces 7 IPv4 and 4 IPv6 prefixes, 100% of them RPKI valid.

RIPE RIS sees 6 upstream and peer networks and 0 downstream networks next to it.

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

NameSul Online Telecom EIRELI
Registry handleAS52977
Registry (RIR)LACNIC
CountryBrazil (BR)
Delegated on2011-03-25
Network typeCable/DSL/ISP, Regional
Peering policyOpen
IRR as-setAS-SULONLINE
Prefixes (IPv4 / IPv6)7 / 4
RPKI valid100% (11 / 11)
Upstreams and peers6
Downstream networks0
Websitesulonline.net

Routing health

  • AS52977 announces 7 IPv4 and 4 IPv6 prefixes.
  • All 11 announced prefixes are RPKI valid.
  • 6 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 11

  • 143.255.96.0/23
  • 143.255.98.0/23
  • 170.231.4.0/22
  • 177.39.72.0/22
  • 177.39.76.0/22
  • 200.53.8.0/22
  • 200.53.12.0/22
  • 2804:768:4b00::/41
  • 2804:768:800::/41
  • 2804:768:3800::/41
  • 2804:768::/32

Upstreams and peers 6

The networks RIPE RIS sees next to AS52977 in BGP paths, the most visible first.

Peering

Peering policy: Open. Suggested max-prefix limits: 30 IPv4, 10 IPv6. PeeringDB record

Internet exchanges 2
ExchangePortsSpeedRoute server
IX.br (PTT.br) Florianópolis: ATM/MPLA13GYes
IX.br (PTT.br) São Paulo: ATM/MPLA240GYes

More about AS52977

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-15 08:36 UTC. The country is where the AS number was registered, not necessarily where the network operates.