$ query “AS55039” --type=asn → 1 result(s)

AS55039 · FATBEAM-AS

Fatbeam LLC

AS55039 is run by Fatbeam LLC and is a mid-size transit provider, established in the United States in 2013. The system announces a respectable 28 928 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United States.

  • 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
February 21, 2013
Last Changed
March 04, 2026
Last Seen
April 29, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
59 / 23
IPv6 Prefixes (raw / aggregated)
16 / 2
IPv4 Addresses
28 928
Largest IPv4 Prefix
/20 (4 096 addresses)
Largest IPv6 Prefix
/36
Geolocated Countries
🇺🇸 United States (34 560 IPs)
Prefix Changed
April 11, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
16 networks exchanging traffic without transit
Downstream Customers
18 downstreams buying transit
Unclassified
1 unclassified BGP neighbor
Degree
38 unique BGP neighbors
Reach
18 networks in customer cone

Upstream Providers (3)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS6461 — ZAYO-6461 (Tier-1 transit)
  • AS52025 — PARADOXNETWORKS-LIMITED

Prefix Lists

IPv4 Prefixes (59 total)

  • 199.250.32.0/20 (4 096 addresses (/20 prefix))
  • 136.242.88.0/21 (2 048 addresses (/21 prefix))
  • 205.220.208.0/21 (2 048 addresses (/21 prefix))
  • 204.57.248.0/21 (2 048 addresses (/21 prefix))
  • 199.250.48.0/21 (2 048 addresses (/21 prefix))
  • 167.150.4.0/22 (1 024 addresses (/22 prefix))
  • 209.127.236.0/22 (1 024 addresses (/22 prefix))
  • 162.142.100.0/22 (1 024 addresses (/22 prefix))
  • 162.218.180.0/22 (1 024 addresses (/22 prefix))
  • 162.222.252.0/22 (1 024 addresses (/22 prefix))
  • 148.59.192.0/22 (1 024 addresses (/22 prefix))
  • 168.245.212.0/22 (1 024 addresses (/22 prefix))
  • 64.190.16.0/22 (1 024 addresses (/22 prefix))
  • 199.184.112.0/22 (1 024 addresses (/22 prefix))
  • 208.66.120.0/22 (1 024 addresses (/22 prefix))
  • 199.231.248.0/22 (1 024 addresses (/22 prefix))
  • 134.82.112.0/22 (1 024 addresses (/22 prefix))
  • 76.164.220.0/22 (1 024 addresses (/22 prefix))
  • 199.250.56.0/22 (1 024 addresses (/22 prefix))
  • 66.187.28.0/22 (1 024 addresses (/22 prefix))
  • 52.144.56.0/23 (512 addresses (/23 prefix))
  • 199.184.116.0/23 (512 addresses (/23 prefix))
  • 198.207.188.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (16 total)

  • 2602:ff7c::/36
  • 2602:f59f::/40