Skip to main content
Autonomous System

AS14306

GlaxoSmithKline

Announced IPs
768
CIDR prefixes
3
ASN
AS14306

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
152.51.24.0/24 256
0.0%
GlaxoSmithKline US
152.51.27.0/24 256
0.0%
GlaxoSmithKline US
152.51.48.0/24 256
0.0%
GlaxoSmithKline US Pennsylvania King of Prussia

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS14306 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
152.51.24.0/24 4,873 2026-08-02 11:35:28
152.51.27.0/24 4,840 2026-08-02 11:35:27
152.51.48.0/24 4,721 2026-08-02 11:35:27
152.51.66.0/24 1,793 2026-07-01 15:41:50

Frequently Asked Questions

What is AS14306?

AS14306 is an Autonomous System Number assigned to GlaxoSmithKline. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS14306 announce?

AS14306 announces 768 IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in United States.

Who operates AS14306?

AS14306 is operated by GlaxoSmithKline. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS14306 registered in?

AS14306 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-02 11:40:31 UTC
Share