$ query “AS16735” --type=asn → 1 result(s)

AS16735 · ALGAR-TELECOM

ALGAR TELECOM S/A

AS16735 belongs to ALGAR TELECOM S/A and is a major transit provider, established in Brazil in 2000. The system announces a solid 554 752 IPv4 addresses, including a /16, and supports IPv6. Most of its address space is geolocated to Brazil, with additional presence in Australia.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #3 in Brazil — Top 10 by reach within country

Basic Information

Country
🇧🇷 Brazil
Category
Internet Service Provider
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
August 17, 2000
Last Changed
March 04, 2026
Last Seen
April 19, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
50 / 31
IPv6 Prefixes (raw / aggregated)
5 / 4
IPv4 Addresses
554 752
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/31
Geolocated Countries
🇧🇷 Brazil (268 096 IPs), 🇦🇺 Australia (219 136 IPs)
Prefix Changed
April 11, 2026

Reputation

Reputation
Good — 29 flagged IPs out of 554 752 total (0.01%)
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
191 networks exchanging traffic without transit
Downstream Customers
573 downstreams buying transit
Unclassified
35 unclassified BGP neighbors
Degree
803 unique BGP neighbors
Reach
32 817 networks in customer cone

Upstream Providers (4)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS3549 — LVLT-3549
  • AS6762 — SEABONE-NET (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (50 total)

  • 189.112.0.0/16 (65 536 addresses (/16 prefix))
  • 201.48.0.0/16 (65 536 addresses (/16 prefix))
  • 177.69.0.0/16 (65 536 addresses (/16 prefix))
  • 187.32.0.0/16 (65 536 addresses (/16 prefix))
  • 187.72.0.0/16 (65 536 addresses (/16 prefix))
  • 200.233.128.0/17 (32 768 addresses (/17 prefix))
  • 189.37.0.0/17 (32 768 addresses (/17 prefix))
  • 201.16.192.0/18 (16 384 addresses (/18 prefix))
  • 200.225.192.0/18 (16 384 addresses (/18 prefix))
  • 200.170.128.0/18 (16 384 addresses (/18 prefix))
  • 200.146.192.0/18 (16 384 addresses (/18 prefix))
  • 189.39.0.0/18 (16 384 addresses (/18 prefix))
  • 187.44.96.0/19 (8 192 addresses (/19 prefix))
  • 179.108.96.0/19 (8 192 addresses (/19 prefix))
  • 201.55.96.0/19 (8 192 addresses (/19 prefix))
  • 201.49.96.0/19 (8 192 addresses (/19 prefix))
  • 201.16.160.0/19 (8 192 addresses (/19 prefix))
  • 200.187.160.0/19 (8 192 addresses (/19 prefix))
  • 201.16.128.0/20 (4 096 addresses (/20 prefix))
  • 189.39.112.0/20 (4 096 addresses (/20 prefix))
  • 177.126.96.0/20 (4 096 addresses (/20 prefix))
  • 200.160.112.0/20 (4 096 addresses (/20 prefix))
  • 189.38.96.0/20 (4 096 addresses (/20 prefix))
  • 186.237.192.0/21 (2 048 addresses (/21 prefix))
  • 201.16.144.0/21 (2 048 addresses (/21 prefix))
  • 177.38.32.0/21 (2 048 addresses (/21 prefix))
  • 200.215.168.0/22 (1 024 addresses (/22 prefix))
  • 201.16.152.0/22 (1 024 addresses (/22 prefix))
  • 170.254.148.0/22 (1 024 addresses (/22 prefix))
  • 201.16.158.0/23 (512 addresses (/23 prefix))
  • 201.16.156.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (5 total)

  • 2001:1290::/31
  • 2804:620::/32
  • 2804:724::/32
  • 2804:808::/32