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

AS16735 · ALGAR-TELECOM

ALGAR TELECOM S/A

AS16735 is run 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. The bulk of its IP address space is in Brazil. This AS's prefix announcements have been recently modified.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #29 by Reach — Top 100 by customer cone size
  • #2 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
October 10, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
46 / 28
IPv6 Prefixes (raw / aggregated)
5 / 3
IPv4 Addresses
546 816
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/31
Geolocated Countries
🇧🇷 Brazil (546 816 IPs)
Prefix Changed
October 05, 2026

Reputation

Reputation
Good — 26 flagged IPs out of 546 816 total (0.00%)

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
108 networks exchanging traffic without transit
Downstream Customers
575 downstreams buying transit
Unclassified
29 unclassified BGP neighbors
Degree
716 unique BGP neighbors
Reach
3 100 networks in customer cone

Upstream Providers (4)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS174 — COGENT-174 (Tier-1 transit)
  • AS6762 — SEABONE-NET (Tier-1 transit)
  • AS7738 — V-TAL

Prefix Lists

IPv4 Prefixes (46 total)

  • 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))
  • 189.112.0.0/16 (65 536 addresses (/16 prefix))
  • 201.48.0.0/16 (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))
  • 189.39.0.0/18 (16 384 addresses (/18 prefix))
  • 200.146.192.0/18 (16 384 addresses (/18 prefix))
  • 200.170.128.0/18 (16 384 addresses (/18 prefix))
  • 200.225.192.0/18 (16 384 addresses (/18 prefix))
  • 201.16.192.0/18 (16 384 addresses (/18 prefix))
  • 179.108.96.0/19 (8 192 addresses (/19 prefix))
  • 187.44.96.0/19 (8 192 addresses (/19 prefix))
  • 200.187.160.0/19 (8 192 addresses (/19 prefix))
  • 201.16.160.0/19 (8 192 addresses (/19 prefix))
  • 201.49.96.0/19 (8 192 addresses (/19 prefix))
  • 201.55.96.0/19 (8 192 addresses (/19 prefix))
  • 177.126.96.0/20 (4 096 addresses (/20 prefix))
  • 189.38.96.0/20 (4 096 addresses (/20 prefix))
  • 200.160.112.0/20 (4 096 addresses (/20 prefix))
  • 201.16.128.0/20 (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))
  • 201.16.152.0/22 (1 024 addresses (/22 prefix))
  • 201.16.158.0/23 (512 addresses (/23 prefix))
  • 189.39.125.0/24 (256 addresses (/24 prefix))
  • 201.16.156.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (5 total)

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