AS2539 — GLAXOSMITHKLINE
AS2539 announces 1 IPv4 prefixes covering 256 addresses and 0 IPv6 prefixes.
About this network
GLAXOSMITHKLINE is a network of the pharmaceutical company GlaxoSmithKline (GSK); this ASN is registered through ARIN to its US operations.
What it's used for
- Internal corporate networking for a large pharmaceutical company; GSK runs several ASNs across its global network.
Notable
- A private enterprise network, not a commercial ISP or host. Registered in 1993, an early corporate allocation.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 152.51.56.0/24
Upstream networks
- AS10753 Level 3 Parent, LLC
Adjacent networks
- AS10753 Level 3 Parent, LLC
BGP / ASN / CIDR
awaiting query
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IPv4
resolving...
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