AS25081 — HDiT-AS Heidelberg IT Management GmbH & Co.KG

AS25081 announces 3 IPv4 prefixes covering 5,632 addresses and 1 IPv6 prefixes.

About this network

The AS handle HDIT-AS is operated by Heidelberg IT Management GmbH & Co.KG.

What it's used for

• The address space carries a mix of corporate and third-party infrastructure, evidenced by netnames DE-MEGSYSTEMS-20020701, RTDEWDF, and PROMINENT-NET.
• The network announces 5632 IPv4 addresses across 3 prefixes and 1 IPv6 prefix, with 6 observed neighbours, indicating a role focused on access and local connectivity rather than transit.

Notable

• Registrants for the announced prefixes include Heidelberg IT Management GmbH & Co.KG, Realtech AG, and ProMinent GmbH, showing a diverse set of entities associated with the address space.
• The address inventory consists of three distinct IPv4 blocks and one IPv6 block, with the largest block being 81.89.192.0/20.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 81.89.192.0/20
• 195.234.216.0/22
• 195.248.252.0/23
• 2a04:c940::/29

Upstream networks

• AS8881 1&1 Versatel GmbH
• AS174 Cogent Communications, LLC
• AS6939 Hurricane Electric LLC
• AS34549 meerfarbig GmbH & Co. KG
• AS3209 Vodafone GmbH
• AS12843 TelemaxX Telekommunikation GmbH
• AS6805 Telefonica Germany GmbH & Co.OHG
• AS34019 Hivane Association
• AS24482 SG.GS
• AS213241 TECHIT.BE SRL
• AS1836 green.ch AG
• AS48362 Stadtwerke Feldkirch
• AS212024 Marc Schmitt
• AS12779 IT.Gate S.p.A.
• AS20485 Joint Stock Company TransTeleCom
• AS37100 SEACOM Limited
• AS8551 Bezeq International Ltd.
• AS6797 GlobalConnect AB
• AS56662 Marcin Gondek
• AS17639 Converge ICT Solutions Inc.
• AS29632 Netassist International EOOD

Downstream networks

• AS25245 Realtech AG
• AS42698 ProMinent GmbH

Adjacent networks

• AS8881 1&1 Versatel GmbH
• AS174 Cogent Communications, LLC
• AS6939 Hurricane Electric LLC
• AS34549 meerfarbig GmbH & Co. KG
• AS3209 Vodafone GmbH
• AS12843 TelemaxX Telekommunikation GmbH
• AS6805 Telefonica Germany GmbH & Co.OHG
• AS48362 Stadtwerke Feldkirch
• AS34019 Hivane Association
• AS213241 TECHIT.BE SRL
• AS212024 Marc Schmitt
• AS24482 SG.GS
• AS1836 green.ch AG
• AS25245 Realtech AG
• AS42698 ProMinent GmbH
• AS8551 Bezeq International Ltd.
• AS37100 SEACOM Limited
• AS6797 GlobalConnect AB
• AS20485 Joint Stock Company TransTeleCom
• AS12779 IT.Gate S.p.A.
• AS56662 Marcin Gondek
• AS17639 Converge ICT Solutions Inc.
• AS29632 Netassist International EOOD

Routing security

• RPKI: 4 valid, 0 invalid and 0 not-found announcements; 4 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 5 route objects.
• Listed in as-sets: AS-HDIT, AS-MEG, AS-TDDE, AS6695:AS-DECIX-FRA-CONNECTED, AS6695:AS-DECIX-FRA-RS, AS6695:AS-DECIX-FRA-RS-V6.

Internet exchanges

• DE-CIX Frankfurt — Frankfurt, Germany