$ query “AS22356” --type=asn → 1 result(s)

AS22356 · DURAND-BRASIL

Durand do Brasil Ltda

AS22356 is operated by Durand do Brasil Ltda and serves as a major transit provider, established in Brazil in 2001. The system announces a respectable 26 112 IPv4 addresses, 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
  • #20 by Reach — Top 100 by customer cone size
  • #80 by Degree — Top 100 by unique BGP neighbor count
  • #1 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
September 25, 2001
Last Changed
March 04, 2026
Last Seen
October 10, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
34 / 8
IPv6 Prefixes (raw / aggregated)
13 / 1
IPv4 Addresses
26 112
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇧🇷 Brazil (26 112 IPs)
Prefix Changed
October 08, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
1 609 networks exchanging traffic without transit
Downstream Customers
83 downstreams buying transit
Unclassified
7 unclassified BGP neighbors
Degree
1 705 unique BGP neighbors
Reach
4 126 networks in customer cone

Upstream Providers (6)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS3491 — PCCWG-APAC-HK (Tier-1 transit)
  • AS6762 — SEABONE-NET (Tier-1 transit)
  • AS6453 — AS6453 (Tier-1 transit)
  • AS12956 — TELXIUS (Tier-1 transit)
  • AS268624 — GAMERS-CLUB

Prefix Lists

IPv4 Prefixes (34 total)

  • 186.192.128.0/19 (8 192 addresses (/19 prefix))
  • 189.124.96.0/20 (4 096 addresses (/20 prefix))
  • 200.160.192.0/20 (4 096 addresses (/20 prefix))
  • 200.170.80.0/20 (4 096 addresses (/20 prefix))
  • 201.76.192.0/20 (4 096 addresses (/20 prefix))
  • 177.190.108.0/22 (1 024 addresses (/22 prefix))
  • 177.190.96.0/24 (256 addresses (/24 prefix))
  • 177.190.101.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (13 total)

  • 2001:129c::/32