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Autonomous System

AS22451

Halifax Regional Hospital

Announced IPs
512
CIDR prefixes
2
ASN
AS22451

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
65.254.176.0/24 256
0.8%
Halifax Regional Hospital US
65.254.186.0/24 256
0.4%
Halifax Regional Hospital US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS22451 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
65.254.176.0/24 15,320 2026-08-03 14:41:23
65.254.186.0/24 15,235 2026-08-03 14:41:23

Frequently Asked Questions

What is AS22451?

AS22451 is an Autonomous System Number assigned to Halifax Regional Hospital. 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 AS22451 announce?

AS22451 announces 512 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.

Who operates AS22451?

AS22451 is operated by Halifax Regional Hospital. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS22451 registered in?

AS22451 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: 2026-08-03 15:12:02 UTC
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