$ query “AS51396” --type=asn → 1 result(s)

AS51396 · PFCLOUD

Pfcloud UG (haftungsbeschrankt)

AS51396 belongs to Pfcloud UG (haftungsbeschrankt) and is a mid-size transit provider, based in Germany since 2023. The system announces 7 680 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the Netherlands, with additional presence in Russia and Germany, and smaller footprints in 4 additional countries. ⚠️ This AS has a high concentration of IPs flagged for malicious activity. Prefix announcements for this AS were recently updated.

  • Dark Side — Very high concentration of IPs on threat intelligence feeds (>=2%)
  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇩🇪 Germany
Category
Business
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
December 08, 2023
Last Changed
April 01, 2026
Last Seen
October 23, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
30 / 25
IPv6 Prefixes (raw / aggregated)
41 / 24
IPv4 Addresses
7 680
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇳🇱 Netherlands (2 560 IPs), 🇷🇺 Russia (2 048 IPs), 🇩🇪 Germany (1 792 IPs) and 4 more
Prefix Changed
October 24, 2026

Reputation

Reputation
Dirty — 411 flagged IPs out of 7 680 total (5.35%)
Tor Exit Nodes
4 known Tor exit nodes in this network
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
92 networks exchanging traffic without transit
Downstream Customers
18 downstreams buying transit
Unclassified
11 unclassified BGP neighbors
Degree
127 unique BGP neighbors
Reach
26 networks in customer cone

Upstream Providers (6)

Prefix Lists

IPv4 Prefixes (30 total)

  • 176.65.148.0/22 (1 024 addresses (/22 prefix))
  • 138.249.120.0/23 (512 addresses (/23 prefix))
  • 138.249.124.0/23 (512 addresses (/23 prefix))
  • 23.176.184.0/24 (256 addresses (/24 prefix))
  • 31.40.201.0/24 (256 addresses (/24 prefix))
  • 31.57.185.0/24 (256 addresses (/24 prefix))
  • 45.135.193.0/24 (256 addresses (/24 prefix))
  • 45.135.194.0/24 (256 addresses (/24 prefix))
  • 45.144.212.0/24 (256 addresses (/24 prefix))
  • 77.83.39.0/24 (256 addresses (/24 prefix))
  • 77.83.207.0/24 (256 addresses (/24 prefix))
  • 85.208.84.0/24 (256 addresses (/24 prefix))
  • 88.214.50.0/24 (256 addresses (/24 prefix))
  • 89.45.35.0/24 (256 addresses (/24 prefix))
  • 94.183.174.0/24 (256 addresses (/24 prefix))
  • 138.249.122.0/24 (256 addresses (/24 prefix))
  • 176.65.134.0/24 (256 addresses (/24 prefix))
  • 176.223.188.0/24 (256 addresses (/24 prefix))
  • 185.197.182.0/24 (256 addresses (/24 prefix))
  • 185.235.167.0/24 (256 addresses (/24 prefix))
  • 195.216.154.0/24 (256 addresses (/24 prefix))
  • 204.76.203.0/24 (256 addresses (/24 prefix))
  • 217.60.197.0/24 (256 addresses (/24 prefix))
  • 217.60.241.0/24 (256 addresses (/24 prefix))
  • 217.60.250.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (41 total)

  • 2a0a:e2c0::/29
  • 2a11:5780::/29
  • 2a12:5a00::/29
  • 2a12:6740::/29
  • 2a12:8100::/29
  • 2a12:8ec0::/29
  • 2a12:ccc0::/29
  • 2a12:d3c0::/29
  • 2a12:e240::/29
  • 2a14:8000::/29
  • 2a14:7c4::/30
  • 2a14:7c2::/31
  • 2a12:1cc7::/32
  • 2a14:7c1::/32
  • 2a05:b0c7:6000::/36
  • 2a0e:4001:2000::/36
  • 2a05:b0c6:5800::/37
  • 2a14:7c0:f400::/38
  • 2a05:b0c6:a200::/39
  • 2602:f915::/40
  • 2a14:7c0:100::/40
  • 2a14:7c0:3a00::/40
  • 2a14:7c0:40::/44
  • 2a14:7c0:1742::/48