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

AS16735 — ALGAR-TELECOM

ALGAR TELECOM S/A

AS16735 is a major transit provider operated by ALGAR TELECOM S/A, established in Brazil in 2000. The network announces a solid 554 752 IPv4 addresses, including a /16. Supports IPv6.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #46 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
March 04, 2026

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
🇧🇷 BR (468 IPs), 🇦🇺 AU (7 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 25 flagged IPs out of 554 752 total (0.00%)
Open Proxies
2 known open proxies in this network

Connectivity Summary

Upstream Providers
3 upstream autonomous systems providing transit
Peers
247 autonomous systems exchanging traffic without transit fees
Downstream Customers
570 downstream autonomous systems buying transit
Degree
849 unique BGP neighbors (providers + customers + peers)
Reach
39 781 — customer cone size measuring network influence
Degree Rank
#172
Reach Rank
#46
Country Rank
#3

Upstream Providers (3)

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

Prefix Lists

IPv4 Prefixes (50 total)

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

IPv6 Prefixes (5 total)

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