AS25958 — MC-INT
AS25958 announces 2 IPv4 prefixes covering 2,304 addresses and 0 IPv6 prefixes.
About this network
The AS handle MC-INT is operated by Marshfield Clinic Inc.
What it's used for
- The address space carries internal corporate infrastructure, evidenced by reverse DNS records pointing to mfldclin.edu and netnames NETBLK-MFLDCLIN.
- The network announces 2304 IPv4 addresses across 2 prefixes with only 2 observed neighbours, indicating a self-contained internal estate rather than a transit or access provider.
Notable
- Registrants for both announced prefixes are Marshfield Clinic Inc., matching the AS holder.
- The inventory consists of two IPv4 blocks: 192.236.16.0/21 and 192.236.25.0/24, with no IPv6 prefixes announced.
- The fine subdivision of the address space aligns with a large integrated health system managing site-by-site segmentation.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 192.236.16.0/21
- 192.236.25.0/24
Upstream networks
Adjacent networks
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IPv4
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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