AS21039 — E-STEIERMARK-ASN
AS21039 announces 2 IPv4 prefixes covering 6,144 addresses and 0 IPv6 prefixes.
About this network
The AS handle E-STEIERMARK-ASN is held by Energie Steiermark AG.
What it's used for
- The space carries corporate infrastructure for the energy utility, evidenced by netnames like AT-E-STEIERMARK and reverse DNS entries such as lan-234.net.esn.at and brc-235.net.esn.at.
- With 6144 IPv4 addresses across 8 prefixes and only 2 observed neighbours, the ratio indicates an internal corporate estate rather than a transit or access network.
Notable
- All registrants for the announced prefixes are listed as hostmaster; Energie Steiermark AG; Abuse-C Role, fully agreeing with the AS holder.
- The address inventory consists of contiguous blocks within the 193.186.216.0/22 range, subdivided into /21, /22, /23, and /24 prefixes, reflecting site-by-site segmentation for internal use.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 193.186.216.0/21
- 193.186.224.0/20
Upstream networks
Adjacent networks
BGP / ASN / CIDR
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IPv4
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IPv6
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Search Results
IPv4 Prefixes
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IPv6 Prefixes
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Total Prefixes
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Unique /24s
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⚠ SUSPICIOUS PREFIX ANNOUNCEMENTS DETECTED