$ query “AS61797” --type=asn → 1 result(s)

AS61797 · CHECK-UP-NET-TELECOM

CHECK-UP NET TELECOM

AS61797 belongs to CHECK-UP NET TELECOM and is a residential access provider, registered in Brazil since 2014. The system announces 4 096 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Brazil, with additional presence in Australia.

Basic Information

Country
🇧🇷 Brazil
Category
Internet Service Provider
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
June 24, 2014
Last Changed
March 04, 2026
Last Seen
April 29, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
26 / 4
IPv6 Prefixes (raw / aggregated)
3 / 1
IPv4 Addresses
4 096
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇧🇷 Brazil (2 048 IPs), 🇦🇺 Australia (2 048 IPs)
Prefix Changed
April 14, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
18 networks exchanging traffic without transit
Downstream Customers
5 downstreams buying transit
Unclassified
1 unclassified BGP neighbor
Degree
27 unique BGP neighbors
Reach
5 networks in customer cone

Upstream Providers (3)

Prefix Lists

IPv4 Prefixes (26 total)

  • 138.36.68.0/22 (1 024 addresses (/22 prefix))
  • 143.137.0.0/22 (1 024 addresses (/22 prefix))
  • 170.246.232.0/22 (1 024 addresses (/22 prefix))
  • 200.225.140.0/22 (1 024 addresses (/22 prefix))

IPv6 Prefixes (3 total)

  • 2804:197c::/32