AS21558 — SC-JOHNSON
AS21558 announces 1 IPv4 prefixes covering 65,536 addresses and 0 IPv6 prefixes.
About this network
The AS handle SC-JOHNSON is held by S.C. Johnson & Son, Inc.
What it's used for
- The address space is entirely registered under the netname SCJOHNSON with registrant S.C. Johnson & Son, Inc., indicating a private corporate network.
- The AS announces 65536 IPv4 addresses across 17 prefixes with only 5 observed neighbours, a ratio characteristic of an internal corporate estate rather than a public access or transit network.
Notable
- All registrants in the RDAP data match the announcer, consistently identifying S.C. Johnson & Son, Inc. for every listed prefix.
- The inventory consists of a single contiguous block (152.72.0.0/16) subdivided into 17 prefixes of varying sizes, from /18s down to /24s, reflecting site-by-site segmentation.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 152.72.0.0/16
Upstream networks
- AS702 Verizon Business
- AS40264 Charter Communications LLC
- AS55821 RADIUS TELECOMS, INC.
- AS7018 AT&T Enterprises, LLC
Adjacent networks
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IPv4
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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