$ query “AS59711” --type=asn → 1 result(s)

AS59711 · HZ-EU-AS

HZ Hosting Ltd

AS59711 is run by HZ Hosting Ltd and is a hosting access provider, registered in Bulgaria since 2012. The system announces a respectable 53 504 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in France, with additional presence in the Netherlands and the United States, and smaller footprints in 14 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
🇧🇬 Bulgaria
Category
Hosting
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
October 03, 2012
Last Changed
March 04, 2026
Last Seen
September 21, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
159 / 127
IPv6 Prefixes (raw / aggregated)
17 / 13
IPv4 Addresses
53 504
Largest IPv4 Prefix
/21 (2 048 addresses)
Largest IPv6 Prefix
/47
Geolocated Countries
🇫🇷 France (30 208 IPs), 🇳🇱 Netherlands (10 752 IPs), 🇺🇸 United States (10 240 IPs) and 14 more
Prefix Changed
September 17, 2026

Reputation

Reputation
Good — 12 flagged IPs out of 53 504 total (0.02%)

Connectivity Summary

Upstream Providers
7 upstreams providing transit
Peers
108 networks exchanging traffic without transit
Downstream Customers
3 downstreams buying transit
Unclassified
7 unclassified BGP neighbors
Degree
125 unique BGP neighbors
Reach
9 networks in customer cone

Upstream Providers (7)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS174 — COGENT (Tier-1 transit)
  • AS9002 — RETN-AS
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS215638 — AS-CILIX-LIMITED
  • AS5511 — OPENTRANSIT (Tier-1 transit)
  • AS42708 — GLESYS

Prefix Lists

IPv4 Prefixes (159 total)

  • 140.99.192.0/21 (2 048 addresses (/21 prefix))
  • 212.180.60.0/22 (1 024 addresses (/22 prefix))
  • 94.126.224.0/22 (1 024 addresses (/22 prefix))
  • 140.99.200.0/22 (1 024 addresses (/22 prefix))
  • 185.80.52.0/22 (1 024 addresses (/22 prefix))
  • 185.117.88.0/22 (1 024 addresses (/22 prefix))
  • 213.232.116.0/22 (1 024 addresses (/22 prefix))
  • 205.188.80.0/22 (1 024 addresses (/22 prefix))
  • 205.188.224.0/22 (1 024 addresses (/22 prefix))
  • 212.2.32.0/22 (1 024 addresses (/22 prefix))
  • 212.180.16.0/22 (1 024 addresses (/22 prefix))
  • 212.180.32.0/22 (1 024 addresses (/22 prefix))
  • 67.102.160.0/23 (512 addresses (/23 prefix))
  • 189.104.54.0/23 (512 addresses (/23 prefix))
  • 67.102.166.0/23 (512 addresses (/23 prefix))
  • 77.83.196.0/23 (512 addresses (/23 prefix))
  • 212.180.104.0/23 (512 addresses (/23 prefix))
  • 79.141.164.0/23 (512 addresses (/23 prefix))
  • 79.141.174.0/23 (512 addresses (/23 prefix))
  • 67.102.16.0/23 (512 addresses (/23 prefix))
  • 66.167.72.0/23 (512 addresses (/23 prefix))
  • 66.167.70.0/23 (512 addresses (/23 prefix))
  • 212.180.6.0/23 (512 addresses (/23 prefix))
  • 62.192.96.0/23 (512 addresses (/23 prefix))
  • 209.101.10.0/23 (512 addresses (/23 prefix))
  • 213.169.226.0/23 (512 addresses (/23 prefix))
  • 213.169.244.0/23 (512 addresses (/23 prefix))
  • 189.104.234.0/23 (512 addresses (/23 prefix))
  • 189.104.210.0/23 (512 addresses (/23 prefix))
  • 189.104.164.0/23 (512 addresses (/23 prefix))
  • 189.104.148.0/23 (512 addresses (/23 prefix))
  • 189.104.118.0/23 (512 addresses (/23 prefix))
  • 189.104.80.0/23 (512 addresses (/23 prefix))
  • 98.142.252.0/23 (512 addresses (/23 prefix))
  • 82.27.88.0/23 (512 addresses (/23 prefix))
  • 189.81.196.0/23 (512 addresses (/23 prefix))
  • 185.253.116.0/23 (512 addresses (/23 prefix))
  • 185.221.222.0/23 (512 addresses (/23 prefix))
  • 217.60.120.0/23 (512 addresses (/23 prefix))
  • 185.81.114.0/23 (512 addresses (/23 prefix))
  • 82.108.62.0/23 (512 addresses (/23 prefix))
  • 82.108.192.0/23 (512 addresses (/23 prefix))
  • 84.37.64.0/23 (512 addresses (/23 prefix))
  • 85.158.108.0/23 (512 addresses (/23 prefix))
  • 217.60.162.0/23 (512 addresses (/23 prefix))
  • 140.99.206.0/23 (512 addresses (/23 prefix))
  • 217.60.164.0/23 (512 addresses (/23 prefix))
  • 45.38.120.0/23 (512 addresses (/23 prefix))
  • 140.99.188.0/23 (512 addresses (/23 prefix))
  • 135.196.186.0/23 (512 addresses (/23 prefix))

IPv6 Prefixes (17 total)

  • 2a01:8640:12::/47
  • 2a01:8640:1c::/47
  • 2a01:8640:1a::/47
  • 2a01:8640:14::/47
  • 2a01:8640:11::/48
  • 2a01:8640:f::/48
  • 2a01:8640::/48
  • 2a01:8640:a::/48
  • 2a01:8640:9::/48
  • 2a01:8640:17::/48
  • 2a01:8640:18::/48
  • 2a01:8640:6::/48
  • 2a01:8640:2::/48