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

AS931 · HYONIX

Hyonix

AS931 is run by Hyonix and is a mid-size transit provider, based in Singapore since 2022. The system announces a respectable 67 072 IPv4 addresses, and supports IPv6. Its primary geographic footprint 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