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

AS16735 · ALGAR-TELECOM

ALGAR TELECOM S/A

AS16735 is owned by ALGAR TELECOM S/A and is a major transit provider, registered in Brazil since 2000. The system announces a solid 546 816 IPv4 addresses, including a /16, and supports IPv6. Its primary geographic footprint is in Brazil, with additional presence in Australia. This AS's prefix announcements have been recently modified.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #70 by Reach — Top 100 by customer cone size
  • #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
June 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
46 / 28
IPv6 Prefixes (raw / aggregated)
7 / 3
IPv4 Addresses
546 816
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/31
Geolocated Countries
🇧🇷 Brazil (257 056 IPs), 🇦🇺 Australia (219 136 IPs)
Prefix Changed
June 20, 2026

Reputation

Reputation
Good — 31 flagged IPs out of 546 816 total (0.01%)
Open Proxies
2 known open proxies in this network

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
178 networks exchanging traffic without transit
Downstream Customers
564 downstreams buying transit
Unclassified
41 unclassified BGP neighbors
Degree
787 unique BGP neighbors
Reach
35 503 networks in customer cone

Upstream Providers (4)

  • AS174 — COGENT (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS22356 — DURAND-BRASIL
  • AS6762 — SEABONE-NET (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (46 total)

  • 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))
  • 189.112.0.0/16 (65 536 addresses (/16 prefix))
  • 187.72.0.0/16 (65 536 addresses (/16 prefix))
  • 189.37.0.0/17 (32 768 addresses (/17 prefix))
  • 200.233.128.0/17 (32 768 addresses (/17 prefix))
  • 200.170.128.0/18 (16 384 addresses (/18 prefix))
  • 189.39.0.0/18 (16 384 addresses (/18 prefix))
  • 200.146.192.0/18 (16 384 addresses (/18 prefix))
  • 201.16.192.0/18 (16 384 addresses (/18 prefix))
  • 200.225.192.0/18 (16 384 addresses (/18 prefix))
  • 201.16.160.0/19 (8 192 addresses (/19 prefix))
  • 201.55.96.0/19 (8 192 addresses (/19 prefix))
  • 187.44.96.0/19 (8 192 addresses (/19 prefix))
  • 201.49.96.0/19 (8 192 addresses (/19 prefix))
  • 200.187.160.0/19 (8 192 addresses (/19 prefix))
  • 179.108.96.0/19 (8 192 addresses (/19 prefix))
  • 200.160.112.0/20 (4 096 addresses (/20 prefix))
  • 201.16.128.0/20 (4 096 addresses (/20 prefix))
  • 177.126.96.0/20 (4 096 addresses (/20 prefix))
  • 189.38.96.0/20 (4 096 addresses (/20 prefix))
  • 201.16.144.0/21 (2 048 addresses (/21 prefix))
  • 186.237.192.0/21 (2 048 addresses (/21 prefix))
  • 201.16.152.0/22 (1 024 addresses (/22 prefix))
  • 201.16.158.0/23 (512 addresses (/23 prefix))
  • 201.16.156.0/24 (256 addresses (/24 prefix))
  • 189.39.125.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (7 total)

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