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Data as of Nov 3, 2026

5.252.52.0/23

2 residential-proxy exits · 30 days

Contabo Inc. · space held by Koehler Internet Services UG (haftungsbeschraenkt)

Announcement
this exact prefix
RPKI valid
Announced by
AS40021
Type
Hosting
Risk
50 / 100 · Medium

Residential-proxy exits

Proxy exits
2
0.39% of its addresses · 30 days
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

10 observations

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
5.252.52.0/221,024DE-KIS57-20190204Koehler Internet Services UG (haftungsbeschraenkt) (ORG-KISU57-RIPE) · DEALLOCATED PANov 30, 2021[email protected]
└ 5.252.52.0/23512TT-20240504Contabo GmbH (ORG-CG339-RIPE) · DEASSIGNED PAMay 4, 2024[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Koehler Internet Services UG (haftungsbeschraenkt)
Handle
ORG-KISU57-RIPE
Range
5.252.52.0/22
Registration type
ALLOCATED PA
Record created
Nov 30, 2021
Origin network

AS40021

US
Name
Contabo Inc.
Type
Hosting
Registered
May 16, 2023
Domain
contabo.com
Website
contabo.com
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed
VPN servers
1