$ query “AS400304” --type=asn → 1 result(s)

AS400304 · SYNTEQ

Redoubt Networks

AS400304 is owned by Redoubt Networks and is a mid-size transit provider, established in the United States in 2021. The system announces a respectable 16 640 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United States. Prefix announcements for this AS were recently updated.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
December 14, 2021
Last Changed
June 25, 2026
Last Seen
July 10, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
28 / 19
IPv6 Prefixes (raw / aggregated)
9 / 3
IPv4 Addresses
16 640
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/39
Geolocated Countries
🇺🇸 United States (18 176 IPs)
Prefix Changed
July 03, 2026

Reputation

Reputation
Good — 2 flagged IPs out of 16 640 total (0.01%)

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
21 networks exchanging traffic without transit
Downstream Customers
12 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
38 unique BGP neighbors
Reach
32 networks in customer cone

Upstream Providers (3)

  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS52025 — PARADOXNETWORKS-LIMITED

Prefix Lists

IPv4 Prefixes (28 total)

  • 104.204.64.0/19 (8 192 addresses (/19 prefix))
  • 216.126.232.0/22 (1 024 addresses (/22 prefix))
  • 167.17.76.0/22 (1 024 addresses (/22 prefix))
  • 104.36.84.0/22 (1 024 addresses (/22 prefix))
  • 162.222.18.0/23 (512 addresses (/23 prefix))
  • 66.23.198.0/23 (512 addresses (/23 prefix))
  • 104.36.82.0/23 (512 addresses (/23 prefix))
  • 145.79.224.0/23 (512 addresses (/23 prefix))
  • 23.147.152.0/23 (512 addresses (/23 prefix))
  • 167.17.72.0/23 (512 addresses (/23 prefix))
  • 145.79.227.0/24 (256 addresses (/24 prefix))
  • 147.160.139.0/24 (256 addresses (/24 prefix))
  • 167.17.75.0/24 (256 addresses (/24 prefix))
  • 86.107.101.0/24 (256 addresses (/24 prefix))
  • 193.149.164.0/24 (256 addresses (/24 prefix))
  • 206.53.171.0/24 (256 addresses (/24 prefix))
  • 208.123.187.0/24 (256 addresses (/24 prefix))
  • 66.23.193.0/24 (256 addresses (/24 prefix))
  • 216.181.107.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (9 total)

  • 2606:a8c0::/39
  • 2606:a8c0:1600::/39
  • 2606:a8c0:8000::/47