Data as of Nov 11, 2026

81.3.5.0/24

No anonymizer space · no proxy exits in 30 days

kyberio GmbH

Announcement
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
81.3.0.0/1816,384DE-SSERV-20020408kyberio GmbH (ORG-SG7-RIPE) · DEALLOCATED PAApr 8, 2002abuse@kyberio.com
└ 81.3.5.0/298HACON-TRANSFER-NETHaCon Ingenieurgesellschaft mbHASSIGNED PAJan 23, 2024abuse@kyberio.com
via DE-SSERV-20020408
└ 81.3.5.8/298PUBLIC-CLOUD-NETkyberio Public CloudASSIGNED PAJun 25, 2024abuse@kyberio.com
via DE-SSERV-20020408
└ 81.3.5.16/2816DATAX-IS-NETDatax Consult Internetservices GmbHASSIGNED PAJun 13, 2003abuse@kyberio.com
via DE-SSERV-20020408
└ 81.3.5.32/2732DATAX-IS-NETDatax Consult Internetservices GmbHASSIGNED PAJun 13, 2003abuse@kyberio.com
via DE-SSERV-20020408
└ 81.3.5.64/2732keSolutions-2keSolutions GmbHASSIGNED PAMay 13, 2014abuse@kyberio.com
via DE-SSERV-20020408
└ 81.3.5.96/298VMX-PRIVATE-NETkyberio VMware Private CloudASSIGNED PAJan 7, 2015abuse@kyberio.com
via DE-SSERV-20020408
└ 81.3.5.112/298ENODIA-NET-1enodia IT SystemhausASSIGNED PAJan 26, 2024abuse@kyberio.com
via DE-SSERV-20020408
└ 81.3.5.120/298KOLL-NETKOLLNET Netzwerkmanufaktur GmbHASSIGNED PAApr 29, 2021abuse@kyberio.com
via DE-SSERV-20020408
└ 81.3.5.136/298FREIFUNK-HANNOVERFNorden e.V. - Freifunk Hannover (ORG-FEFH1-RIPE) · DEASSIGNED PANov 25, 2025abuse@hannover.freifunk.net
└ 81.3.5.216 - 81.3.5.2227TOPSET-WARTTMANN-NETtopset Computer & Satz Rudi WarttmannASSIGNED PAApr 15, 2005abuse@kyberio.com
via DE-SSERV-20020408

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

Routing timeline

Who has announced 81.3.0.0/18

81.3.0.0/18

Routing history

Pattern
Stable
First seen
Jan 2017
Current origin since
Jan 2017 · 9.8 yr
Origin networks
1