$ query “AS931” --type=asn → 1 result(s)

AS931 · HYONIX

Hyonix

AS931 belongs to Hyonix and is a mid-size transit provider, established in Singapore in 2022. The system announces a respectable 67 072 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Singapore, with additional presence in the United Kingdom and the United States, and smaller footprints in 5 additional countries. Prefix announcements for this AS were recently updated.

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

Basic Information

Country
🇸🇬 Singapore
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
June 16, 2022
Last Changed
March 04, 2026
Last Seen
June 27, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
262 / 90
IPv6 Prefixes (raw / aggregated)
2 / 2
IPv4 Addresses
67 072
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/40
Geolocated Countries
🇸🇬 Singapore (46 592 IPs), 🇬🇧 United Kingdom (38 400 IPs), 🇺🇸 United States (29 184 IPs) and 5 more
Prefix Changed
June 26, 2026

Reputation

Reputation
Good — 15 flagged IPs out of 67 072 total (0.02%)

Connectivity Summary

Upstream Providers
7 upstreams providing transit
Peers
28 networks exchanging traffic without transit
Downstream Customers
9 downstreams buying transit
Unclassified
6 unclassified BGP neighbors
Degree
50 unique BGP neighbors
Reach
1 831 networks in customer cone

Upstream Providers (7)

Prefix Lists

IPv4 Prefixes (262 total)

  • 38.240.32.0/19 (8 192 addresses (/19 prefix))
  • 38.255.32.0/19 (8 192 addresses (/19 prefix))
  • 207.189.0.0/20 (4 096 addresses (/20 prefix))
  • 188.253.104.0/21 (2 048 addresses (/21 prefix))
  • 45.130.152.0/22 (1 024 addresses (/22 prefix))
  • 135.136.148.0/22 (1 024 addresses (/22 prefix))
  • 135.136.152.0/22 (1 024 addresses (/22 prefix))
  • 135.136.128.0/22 (1 024 addresses (/22 prefix))
  • 135.136.136.0/22 (1 024 addresses (/22 prefix))
  • 153.52.176.0/22 (1 024 addresses (/22 prefix))
  • 155.254.96.0/22 (1 024 addresses (/22 prefix))
  • 45.87.60.0/22 (1 024 addresses (/22 prefix))
  • 178.173.236.0/22 (1 024 addresses (/22 prefix))
  • 128.254.192.0/22 (1 024 addresses (/22 prefix))
  • 45.143.144.0/22 (1 024 addresses (/22 prefix))
  • 207.189.16.0/22 (1 024 addresses (/22 prefix))
  • 64.112.84.0/22 (1 024 addresses (/22 prefix))
  • 188.253.28.0/22 (1 024 addresses (/22 prefix))
  • 188.253.8.0/22 (1 024 addresses (/22 prefix))
  • 188.209.156.0/22 (1 024 addresses (/22 prefix))
  • 104.224.28.0/22 (1 024 addresses (/22 prefix))
  • 5.226.52.0/22 (1 024 addresses (/22 prefix))
  • 178.173.244.0/22 (1 024 addresses (/22 prefix))
  • 103.96.80.0/22 (1 024 addresses (/22 prefix))
  • 103.202.52.0/22 (1 024 addresses (/22 prefix))
  • 170.39.184.0/22 (1 024 addresses (/22 prefix))
  • 178.173.242.0/23 (512 addresses (/23 prefix))
  • 103.131.130.0/23 (512 addresses (/23 prefix))
  • 178.173.234.0/23 (512 addresses (/23 prefix))
  • 103.104.250.0/23 (512 addresses (/23 prefix))
  • 103.199.98.0/23 (512 addresses (/23 prefix))
  • 135.136.146.0/23 (512 addresses (/23 prefix))
  • 185.162.74.0/23 (512 addresses (/23 prefix))
  • 161.129.36.0/23 (512 addresses (/23 prefix))
  • 104.249.130.0/23 (512 addresses (/23 prefix))
  • 45.139.6.0/23 (512 addresses (/23 prefix))
  • 130.51.40.0/23 (512 addresses (/23 prefix))
  • 194.49.68.0/23 (512 addresses (/23 prefix))
  • 194.49.78.0/23 (512 addresses (/23 prefix))
  • 135.84.210.0/23 (512 addresses (/23 prefix))
  • 135.84.212.0/23 (512 addresses (/23 prefix))
  • 153.52.162.0/23 (512 addresses (/23 prefix))
  • 43.225.88.0/23 (512 addresses (/23 prefix))
  • 5.252.166.0/23 (512 addresses (/23 prefix))
  • 135.136.134.0/23 (512 addresses (/23 prefix))
  • 207.189.26.0/23 (512 addresses (/23 prefix))
  • 135.136.140.0/23 (512 addresses (/23 prefix))
  • 207.189.30.0/23 (512 addresses (/23 prefix))
  • 89.46.43.0/24 (256 addresses (/24 prefix))
  • 135.136.142.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (2 total)

  • 2401:3a60:3400::/40
  • 2401:3a60:5300::/40