$ query “AS397373” --type=asn → 1 result(s)

AS397373 · H4Y-TECHNOLOGIES

H4Y Technologies LLC

AS397373 is owned by H4Y Technologies LLC and is a mid-size transit provider, based in the United States since 2019. The system announces a respectable 53 760 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the United States, with additional presence in Panama and Seychelles, and smaller footprints in 12 additional countries.

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
March 08, 2019
Last Changed
May 01, 2026
Last Seen
July 27, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
174 / 144
IPv6 Prefixes (raw / aggregated)
13 / 9
IPv4 Addresses
53 760
Largest IPv4 Prefix
/21 (2 048 addresses)
Largest IPv6 Prefix
/46
Geolocated Countries
🇺🇸 United States (60 640 IPs), 🇵🇦 Panama (5 632 IPs), 🇸🇨 Seychelles (3 072 IPs) and 12 more
Prefix Changed
July 10, 2026

Reputation

Reputation
Good — 3 flagged IPs out of 53 760 total (0.01%)
Open Proxies
3 known open proxies in this network

Connectivity Summary

Upstream Providers
8 upstreams providing transit
Peers
2 networks exchanging traffic without transit
Downstream Customers
9 downstreams buying transit
Unclassified
1 unclassified BGP neighbor
Degree
20 unique BGP neighbors
Reach
11 networks in customer cone

Upstream Providers (8)

Prefix Lists

IPv4 Prefixes (174 total)

  • 199.83.208.0/21 (2 048 addresses (/21 prefix))
  • 45.43.128.0/22 (1 024 addresses (/22 prefix))
  • 198.37.100.0/22 (1 024 addresses (/22 prefix))
  • 5.182.120.0/22 (1 024 addresses (/22 prefix))
  • 176.53.164.0/22 (1 024 addresses (/22 prefix))
  • 155.254.24.0/22 (1 024 addresses (/22 prefix))
  • 155.254.20.0/22 (1 024 addresses (/22 prefix))
  • 154.17.164.0/22 (1 024 addresses (/22 prefix))
  • 104.249.56.0/22 (1 024 addresses (/22 prefix))
  • 45.191.164.0/22 (1 024 addresses (/22 prefix))
  • 155.254.18.0/23 (512 addresses (/23 prefix))
  • 104.255.168.0/23 (512 addresses (/23 prefix))
  • 166.0.176.0/23 (512 addresses (/23 prefix))
  • 216.87.48.0/23 (512 addresses (/23 prefix))
  • 204.77.8.0/23 (512 addresses (/23 prefix))
  • 199.102.44.0/23 (512 addresses (/23 prefix))
  • 45.43.134.0/23 (512 addresses (/23 prefix))
  • 199.47.120.0/23 (512 addresses (/23 prefix))
  • 198.37.124.0/23 (512 addresses (/23 prefix))
  • 45.90.198.0/23 (512 addresses (/23 prefix))
  • 45.91.10.0/23 (512 addresses (/23 prefix))
  • 198.37.104.0/23 (512 addresses (/23 prefix))
  • 5.182.118.0/23 (512 addresses (/23 prefix))
  • 62.192.170.0/23 (512 addresses (/23 prefix))
  • 64.29.80.0/23 (512 addresses (/23 prefix))
  • 66.180.142.0/23 (512 addresses (/23 prefix))
  • 66.235.170.0/23 (512 addresses (/23 prefix))
  • 67.21.32.0/23 (512 addresses (/23 prefix))
  • 196.16.198.0/23 (512 addresses (/23 prefix))
  • 192.158.232.0/23 (512 addresses (/23 prefix))
  • 192.158.228.0/23 (512 addresses (/23 prefix))
  • 192.158.226.0/23 (512 addresses (/23 prefix))
  • 192.154.230.0/23 (512 addresses (/23 prefix))
  • 192.154.206.0/23 (512 addresses (/23 prefix))
  • 185.114.206.0/23 (512 addresses (/23 prefix))
  • 104.152.222.0/23 (512 addresses (/23 prefix))
  • 104.249.26.0/23 (512 addresses (/23 prefix))
  • 155.254.30.0/23 (512 addresses (/23 prefix))
  • 2.56.114.0/23 (512 addresses (/23 prefix))
  • 154.30.6.0/23 (512 addresses (/23 prefix))
  • 115.126.32.0/23 (512 addresses (/23 prefix))
  • 104.255.174.0/23 (512 addresses (/23 prefix))
  • 166.0.167.0/24 (256 addresses (/24 prefix))
  • 185.172.67.0/24 (256 addresses (/24 prefix))
  • 104.255.170.0/24 (256 addresses (/24 prefix))
  • 104.253.62.0/24 (256 addresses (/24 prefix))
  • 108.165.58.0/24 (256 addresses (/24 prefix))
  • 104.253.60.0/24 (256 addresses (/24 prefix))
  • 136.0.36.0/24 (256 addresses (/24 prefix))
  • 136.0.76.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (13 total)

  • 2605:6c80:c::/46
  • 2605:6c80:14::/46
  • 2605:6c80::/47
  • 2605:6c80:4::/47
  • 2605:6c80:8::/47
  • 2605:6c80:12::/47
  • 2605:6c80:2::/48
  • 2605:6c80:7::/48
  • 2605:6c80:11::/48