$ query “AS5580” --type=asn → 1 result(s)

AS5580 · GTT-ASIA

GTT Communications Netherlands B.V.

AS5580 is operated by GTT Communications Netherlands B.V. and serves as a mid-size transit provider, established in the Netherlands in 2009. The system announces a respectable 20 224 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Hong Kong SAR China, with additional presence in the United States and Singapore, and smaller footprints in 9 additional countries.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #4 in Netherlands — Top 10 by reach within country

Basic Information

Country
🇳🇱 Netherlands
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
April 08, 2009
Last Changed
March 04, 2026
Last Seen
April 29, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
31 / 30
IPv6 Prefixes (raw / aggregated)
2 / 2
IPv4 Addresses
20 224
Largest IPv4 Prefix
/20 (4 096 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇭🇰 Hong Kong SAR China (19 104 IPs), 🇺🇸 United States (4 880 IPs), 🇸🇬 Singapore (3 904 IPs) and 9 more
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
99 networks exchanging traffic without transit
Downstream Customers
31 downstreams buying transit
Unclassified
3 unclassified BGP neighbors
Degree
135 unique BGP neighbors
Reach
36 793 networks in customer cone

Upstream Providers (2)

  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS3491 — PCCWG-APAC-HK (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (31 total)

  • 59.191.240.0/20 (4 096 addresses (/20 prefix))
  • 64.235.252.0/22 (1 024 addresses (/22 prefix))
  • 212.56.20.0/22 (1 024 addresses (/22 prefix))
  • 203.95.212.0/22 (1 024 addresses (/22 prefix))
  • 195.143.68.0/22 (1 024 addresses (/22 prefix))
  • 195.134.216.0/22 (1 024 addresses (/22 prefix))
  • 185.162.112.0/22 (1 024 addresses (/22 prefix))
  • 103.230.248.0/22 (1 024 addresses (/22 prefix))
  • 69.31.128.0/22 (1 024 addresses (/22 prefix))
  • 103.53.152.0/23 (512 addresses (/23 prefix))
  • 103.47.76.0/23 (512 addresses (/23 prefix))
  • 64.235.224.0/23 (512 addresses (/23 prefix))
  • 103.232.34.0/23 (512 addresses (/23 prefix))
  • 64.235.250.0/23 (512 addresses (/23 prefix))
  • 64.235.240.0/23 (512 addresses (/23 prefix))
  • 64.235.238.0/23 (512 addresses (/23 prefix))
  • 69.31.132.0/23 (512 addresses (/23 prefix))
  • 64.235.234.0/23 (512 addresses (/23 prefix))
  • 103.207.156.0/23 (512 addresses (/23 prefix))
  • 69.31.140.0/24 (256 addresses (/24 prefix))
  • 64.235.244.0/24 (256 addresses (/24 prefix))
  • 64.235.236.0/24 (256 addresses (/24 prefix))
  • 69.31.138.0/24 (256 addresses (/24 prefix))
  • 69.31.137.0/24 (256 addresses (/24 prefix))
  • 64.235.249.0/24 (256 addresses (/24 prefix))
  • 64.235.232.0/24 (256 addresses (/24 prefix))
  • 64.235.230.0/24 (256 addresses (/24 prefix))
  • 64.235.228.0/24 (256 addresses (/24 prefix))
  • 64.235.227.0/24 (256 addresses (/24 prefix))
  • 64.235.246.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (2 total)

  • 2400:eac0::/32
  • 2400:f780::/32