Data as of Nov 12, 2026

217.181.72.0/22

Anonymizer · ISP proxy944 residential-proxy exits · 30 days

3xK Tech GmbH

Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
95 / 100 · Critical
Spamhaus DROP · Recently moved
Recent change
New origin Sep 28, 2026
from AS834 IPXO LLC, after 1.1 years unannounced

Residential-proxy exits

Proxy exits
944
92% of its addresses · 30 days
Spread
4 of 4
/24s with at least one exit
Providers
25
selling exits here
Oct 13, 2026 – Nov 11, 2026

Exits seen per day

4.6K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
217.181.73.0/240238
217.181.74.0/240235
217.181.75.0/240235
217.181.72.0/240229

Proxy providers listing exits

  • Ake.net
  • BirdProxies
  • BottingTools
  • DataImpulse
  • EnigmaProxy
  • FloppyData
  • Geonode
  • IPFly
  • InfiniteProxies
  • Kookey
  • Maskify
  • Novada
  • PacketStream
  • PrivateByte
  • Proxies.fo
  • Proxiware
  • Proxy4U
  • ProxyRack
  • ProxyWing
  • PuraRoute
  • ResiProxies
  • Thordata
  • ThunderProxy
  • VitalExclusive
  • ZENPROXY_PREMIUM
IPv4 market

Path

Announced by AS200373 since Sep 28, 2026 · 6 wk ago
1 · Holder
record created Feb 26, 2026
2 · Leased from
not leased
3 · Announced by
AS200373 3xK Tech GmbH
since Sep 28, 2026 · 6 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

217.181.72.0/22

From the registry to its use

  1. Dec 7, 2024– Jun 28, 2025
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  2. Jun 17, 2025– Aug 15, 2025
    Announced
    AS834 IPXO LLC
    Hosting
  3. Feb 26, 2026
    Registry record
    3xK Tech GmbH
    ALLOCATED PA
    217.181.64.0/19
  4. Sep 28, 2026– Nov 11, 2026
    Announced
    AS200373 3xK Tech GmbH
    Hosting

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Reactivated
First seen
Dec 2024
Current origin since
Sep 28, 2026 · 1 mo
Origin networks
3
Last change of origin
Sep 28, 2026
Recorded history

History

Handoffs
2