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

AS931 · HYONIX

Hyonix

AS931 is operated by Hyonix and serves as a mid-size transit provider, based in Singapore since 2022. The system announces a respectable 77 056 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the United States, with additional presence in the United Kingdom and Singapore, and smaller footprints in 6 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
October 21, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
301 / 105
IPv6 Prefixes (raw / aggregated)
2 / 2
IPv4 Addresses
77 056
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/40
Geolocated Countries
🇺🇸 United States (37 888 IPs), 🇬🇧 United Kingdom (18 688 IPs), 🇸🇬 Singapore (5 376 IPs) and 6 more
Prefix Changed
October 21, 2026

Reputation

Reputation
Good — 12 flagged IPs out of 77 056 total (0.02%)

Connectivity Summary

Upstream Providers
10 upstreams providing transit
Peers
39 networks exchanging traffic without transit
Downstream Customers
10 downstreams buying transit
Unclassified
5 unclassified BGP neighbors
Degree
64 unique BGP neighbors
Reach
25 networks in customer cone

Upstream Providers (10)

Prefix Lists

IPv4 Prefixes (301 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))
  • 153.52.160.0/21 (2 048 addresses (/21 prefix))
  • 188.253.104.0/21 (2 048 addresses (/21 prefix))
  • 189.12.224.0/21 (2 048 addresses (/21 prefix))
  • 5.226.52.0/22 (1 024 addresses (/22 prefix))
  • 45.87.60.0/22 (1 024 addresses (/22 prefix))
  • 45.130.152.0/22 (1 024 addresses (/22 prefix))
  • 45.143.144.0/22 (1 024 addresses (/22 prefix))
  • 64.112.84.0/22 (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))
  • 104.224.28.0/22 (1 024 addresses (/22 prefix))
  • 128.254.192.0/22 (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))
  • 135.136.148.0/22 (1 024 addresses (/22 prefix))
  • 135.136.152.0/22 (1 024 addresses (/22 prefix))
  • 153.52.168.0/22 (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))
  • 170.39.184.0/22 (1 024 addresses (/22 prefix))
  • 178.173.236.0/22 (1 024 addresses (/22 prefix))
  • 178.173.244.0/22 (1 024 addresses (/22 prefix))
  • 188.209.156.0/22 (1 024 addresses (/22 prefix))
  • 188.253.8.0/22 (1 024 addresses (/22 prefix))
  • 188.253.28.0/22 (1 024 addresses (/22 prefix))
  • 189.12.244.0/22 (1 024 addresses (/22 prefix))
  • 207.189.16.0/22 (1 024 addresses (/22 prefix))
  • 5.252.166.0/23 (512 addresses (/23 prefix))
  • 43.225.88.0/23 (512 addresses (/23 prefix))
  • 45.139.6.0/23 (512 addresses (/23 prefix))
  • 103.104.250.0/23 (512 addresses (/23 prefix))
  • 103.131.130.0/23 (512 addresses (/23 prefix))
  • 103.199.98.0/23 (512 addresses (/23 prefix))
  • 104.249.130.0/23 (512 addresses (/23 prefix))
  • 130.51.40.0/23 (512 addresses (/23 prefix))
  • 135.84.210.0/23 (512 addresses (/23 prefix))
  • 135.84.212.0/23 (512 addresses (/23 prefix))
  • 135.136.134.0/23 (512 addresses (/23 prefix))
  • 135.136.140.0/23 (512 addresses (/23 prefix))
  • 135.136.146.0/23 (512 addresses (/23 prefix))
  • 135.136.156.0/23 (512 addresses (/23 prefix))
  • 153.52.172.0/23 (512 addresses (/23 prefix))
  • 153.52.186.0/23 (512 addresses (/23 prefix))
  • 161.129.36.0/23 (512 addresses (/23 prefix))
  • 178.173.234.0/23 (512 addresses (/23 prefix))
  • 178.173.242.0/23 (512 addresses (/23 prefix))
  • 185.162.74.0/23 (512 addresses (/23 prefix))

IPv6 Prefixes (2 total)

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