$ query “AS13786” --type=asn → 1 result(s)

AS13786 · SEABORN

Seabras 1 USA LLC

AS13786 is run by Seabras 1 USA LLC and is a major transit provider, registered in the United States since 2018. The system announces 3 072 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United States, with additional presence in Brazil.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #16 by Reach — Top 100 by customer cone size
  • #8 in United States — Top 10 by reach within country

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
August 24, 2018
Last Changed
July 01, 2026
Last Seen
October 10, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
8 / 2
IPv6 Prefixes (raw / aggregated)
9 / 2
IPv4 Addresses
3 072
Largest IPv4 Prefix
/21 (2 048 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇧🇷 Brazil (1 536 IPs), 🇺🇸 United States (1 536 IPs)
Prefix Changed
August 07, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
7 upstreams providing transit
Peers
432 networks exchanging traffic without transit
Downstream Customers
183 downstreams buying transit
Unclassified
6 unclassified BGP neighbors
Degree
628 unique BGP neighbors
Reach
4 825 networks in customer cone

Upstream Providers (7)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS174 — COGENT-174 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS22356 — DURAND-BRASIL
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS6762 — SEABONE-NET (Tier-1 transit)
  • AS6453 — AS6453 (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (8 total)

  • 207.135.208.0/21 (2 048 addresses (/21 prefix))
  • 45.177.100.0/22 (1 024 addresses (/22 prefix))

IPv6 Prefixes (9 total)

  • 2605:4a40::/32
  • 2804:5d90::/32