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

AS51396 · PFCLOUD

Pfcloud UG (haftungsbeschrankt)

AS51396 is run by Pfcloud UG (haftungsbeschrankt) and is a mid-size transit provider, registered in Germany since 2023. The system announces a respectable 11 008 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Russia, with additional presence in the Netherlands and Germany, and smaller footprints in 9 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
May 13, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
43 / 31
IPv6 Prefixes (raw / aggregated)
36 / 21
IPv4 Addresses
11 008
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇷🇺 Russia (8 448 IPs), 🇳🇱 Netherlands (5 376 IPs), 🇩🇪 Germany (2 304 IPs) and 9 more
Prefix Changed
May 13, 2026

Reputation

Reputation
Dirty — 559 flagged IPs out of 11 008 total (5.08%)
Tor Exit Nodes
7 known Tor exit nodes in this network

Connectivity Summary

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

Upstream Providers (5)

Prefix Lists

IPv4 Prefixes (43 total)

  • 176.65.148.0/22 (1 024 addresses (/22 prefix))
  • 138.249.40.0/22 (1 024 addresses (/22 prefix))
  • 138.249.32.0/22 (1 024 addresses (/22 prefix))
  • 138.249.24.0/23 (512 addresses (/23 prefix))
  • 138.249.124.0/23 (512 addresses (/23 prefix))
  • 138.249.120.0/23 (512 addresses (/23 prefix))
  • 138.249.26.0/24 (256 addresses (/24 prefix))
  • 31.57.37.0/24 (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))
  • 130.12.183.0/24 (256 addresses (/24 prefix))
  • 45.153.34.0/24 (256 addresses (/24 prefix))
  • 23.176.184.0/24 (256 addresses (/24 prefix))
  • 45.135.194.0/24 (256 addresses (/24 prefix))
  • 45.135.193.0/24 (256 addresses (/24 prefix))
  • 31.57.185.0/24 (256 addresses (/24 prefix))
  • 138.249.122.0/24 (256 addresses (/24 prefix))
  • 45.156.87.0/24 (256 addresses (/24 prefix))
  • 176.65.132.0/24 (256 addresses (/24 prefix))
  • 176.65.134.0/24 (256 addresses (/24 prefix))
  • 31.40.201.0/24 (256 addresses (/24 prefix))
  • 176.223.188.0/24 (256 addresses (/24 prefix))
  • 185.197.182.0/24 (256 addresses (/24 prefix))
  • 192.109.200.0/24 (256 addresses (/24 prefix))
  • 195.96.148.0/24 (256 addresses (/24 prefix))
  • 195.216.154.0/24 (256 addresses (/24 prefix))
  • 204.76.203.0/24 (256 addresses (/24 prefix))
  • 217.60.241.0/24 (256 addresses (/24 prefix))
  • 217.60.250.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (36 total)

  • 2a12:8ec0::/29
  • 2a12:ccc0::/29
  • 2a14:8000::/29
  • 2a0a:e2c0::/29
  • 2a11:5780::/29
  • 2a12:e240::/29
  • 2a12:5a00::/29
  • 2a12:6740::/29
  • 2a12:8100::/29
  • 2a14:7c4::/30
  • 2a14:7c2::/31
  • 2a12:1cc7::/32
  • 2a14:7c1::/32
  • 2a05:b0c7:6000::/36
  • 2a05:b0c6:5800::/37
  • 2a14:7c0:f400::/38
  • 2a05:b0c6:a200::/39
  • 2a14:7c0:100::/40
  • 2a14:7c0:3a00::/40
  • 2a14:7c0:9200::/40
  • 2a0a:7740::/48