$ query “AS52871” --type=asn → 1 result(s)

AS52871 · TASCOM-TELECOMUNICACOES

TASCOM TELECOMUNICAÇÕES LTDA

AS52871 is operated by TASCOM TELECOMUNICAÇÕES LTDA and serves as a mid-size transit provider, established in Brazil in 2012. The system announces a respectable 14 592 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Brazil. This AS's prefix announcements have been recently modified.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇧🇷 Brazil
Category
Internet Service Provider
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
January 31, 2012
Last Changed
March 04, 2026
Last Seen
October 12, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
44 / 25
IPv6 Prefixes (raw / aggregated)
91 / 1
IPv4 Addresses
14 592
Largest IPv4 Prefix
/21 (2 048 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇧🇷 Brazil (14 592 IPs)
Prefix Changed
October 12, 2026

Reputation

Reputation
Good — 2 flagged IPs out of 14 592 total (0.01%)
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
28 networks exchanging traffic without transit
Downstream Customers
42 downstreams buying transit
Unclassified
8 unclassified BGP neighbors
Degree
80 unique BGP neighbors
Reach
49 networks in customer cone

Upstream Providers (2)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS6762 — SEABONE-NET (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (44 total)

  • 177.136.0.0/21 (2 048 addresses (/21 prefix))
  • 177.136.32.0/21 (2 048 addresses (/21 prefix))
  • 201.157.200.0/21 (2 048 addresses (/21 prefix))
  • 201.157.252.0/22 (1 024 addresses (/22 prefix))
  • 177.136.8.0/23 (512 addresses (/23 prefix))
  • 177.136.14.0/23 (512 addresses (/23 prefix))
  • 177.136.40.0/23 (512 addresses (/23 prefix))
  • 177.136.44.0/23 (512 addresses (/23 prefix))
  • 201.157.194.0/23 (512 addresses (/23 prefix))
  • 201.157.208.0/23 (512 addresses (/23 prefix))
  • 201.157.214.0/23 (512 addresses (/23 prefix))
  • 201.157.236.0/23 (512 addresses (/23 prefix))
  • 177.136.12.0/24 (256 addresses (/24 prefix))
  • 177.136.43.0/24 (256 addresses (/24 prefix))
  • 177.136.47.0/24 (256 addresses (/24 prefix))
  • 201.157.199.0/24 (256 addresses (/24 prefix))
  • 201.157.210.0/24 (256 addresses (/24 prefix))
  • 201.157.212.0/24 (256 addresses (/24 prefix))
  • 201.157.217.0/24 (256 addresses (/24 prefix))
  • 201.157.218.0/24 (256 addresses (/24 prefix))
  • 201.157.220.0/24 (256 addresses (/24 prefix))
  • 201.157.229.0/24 (256 addresses (/24 prefix))
  • 201.157.231.0/24 (256 addresses (/24 prefix))
  • 201.157.235.0/24 (256 addresses (/24 prefix))
  • 201.157.251.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (91 total)

  • 2804:870::/32