AS21158 — AS21158 Maximilian Baehring

AS21158 announces 1 IPv4 prefixes covering 512 addresses and 1 IPv6 prefixes.

About this network

AS21158 is operated by Maximilian Baehring.

What it's used for

• The address space carries VPN services, evidenced by the reverse DNS record frankfurt-pptpvpn.msd.dynip.name for 193.109.132.128.
• The AS announces 512 IPv4 addresses within a single /23 prefix and 1 IPv6 prefix, while maintaining 6 observed neighbours; this ratio suggests a small-scale access or service network rather than a transit provider.

Notable

• The RDAP registrant for the announced prefix 193.109.132.0/23 is Maximilian Baehring, which aligns directly with the AS holder name.
• The inventory consists of a single contiguous IPv4 block and one IPv6 /48, indicating a compact, self-contained address estate.

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

Announced prefixes

• 193.109.132.0/23
• 2001:678:de0::/48

Upstream networks

• AS6939 Hurricane Electric LLC
• AS34927 iFog GmbH
• AS29670 Individual Network Berlin ("IN-Berlin") e.V.
• AS8849 Melbikomas UAB
• AS34872 Sarah Rossius trading as Servperso Systems
• AS34568 ConnectingBytes GmbH
• AS20473 The Constant Company, LLC

Adjacent networks

• AS6939 Hurricane Electric LLC
• AS34927 iFog GmbH
• AS29670 Individual Network Berlin ("IN-Berlin") e.V.
• AS8849 Melbikomas UAB
• AS34872 Sarah Rossius trading as Servperso Systems
• AS34568 ConnectingBytes GmbH
• AS20473 The Constant Company, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 2 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 4 route objects.
• Listed in as-sets: AS-21158, AS-CONNECTINGBYTES, AS-EVIX, AS-HURRICANEV6, AS-IFOG, AS-IFOG, AS-IN-BERLIN, AS-KGT, AS-KGTV6, AS-KLEYREX-RS, AS-MELBICOM, AS-MELBICOM, AS-MSD, AS-RETN-ACTUAL-V4, AS-RETN-ACTUAL-V6, AS20473:AS-VULTR, AS3214:AS-FILTERED, AS3214:AS-FILTERED, AS3214:AS-FILTERED, AS34872:AS-DOWNSTREAM-DE, AS34872:AS-DOWNSTREAM-DE, AS3491:AS-CUSTOMERS-EU.

Internet exchanges

• KleyReX Internet Exchange — Frankfurt, Germany