AS216188 — Host-Unlimited Bieber IT GmbH

AS216188 announces 10 IPv4 prefixes covering 2,816 addresses and 1 IPv6 prefixes.

About this network

HOST-UNLIMITED is operated by Bieber IT GmbH.

What it's used for

• The address space carries hosting infrastructure, evidenced by netnames such as DE-BIEBER-IT-20110323 and reverse DNS entries like mail.mumibo.net and test.test.de.
• The AS announces 2,816 IPv4 addresses across 10 prefixes and 1 IPv6 prefix, with only 2 observed neighbours, indicating a small-scale hosting provider rather than a transit or large access network.
• Traffic from this AS consists of web servers, mail services, and hosted applications for clients, consistent with the operator's business of renting server space in Frankfurt and Wolfsburg.

Notable

• All registrants for the announced prefixes are listed as "Customer Service; Bieber IT GmbH; Abuse-C Role", matching the AS holder.
• The address inventory is composed of multiple /24 blocks and one /23, all registered to the same entity, reflecting a consolidated corporate estate for hosting services.

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

Announced prefixes

• 31.47.238.0/23
• 45.10.24.0/24
• 45.133.9.0/24
• 88.218.227.0/24
• 91.210.224.0/24
• 152.89.239.0/24
• 185.45.149.0/24
• 185.245.96.0/24
• 185.248.140.0/24
• 193.135.10.0/24
• 2a13:fd40::/29

Upstream networks

• AS48314 Michael Sebastian Schinzel trading as IP-Projects GmbH & Co. KG
• AS9136 Wobcom GmbH
• AS213973 BCIX Management GmbH

Adjacent networks

• AS48314 Michael Sebastian Schinzel trading as IP-Projects GmbH & Co. KG
• AS9136 Wobcom GmbH
• AS213973 BCIX Management GmbH

Routing security

• RPKI: 12 valid, 0 invalid and 0 not-found announcements; 12 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 12 route objects.
• Listed in as-sets: AS-RETN-ACTUAL-V4, AS-RETN-ACTUAL-V6, AS-WOBCOM, AS216188:AS-HOST-UNLIMITED.