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Autonomous System

AS19997

Penn National Insurance

Announced IPs
1,536
CIDR prefixes
5
ASN
AS19997

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

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS19997 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
38.113.162.0/24 10,206 2026-08-03 18:40:50
38.113.125.0/24 9,834 2026-08-03 18:40:50
198.148.180.0/24 4,615 2026-08-03 18:40:07
198.153.145.0/24 4,239 2026-08-03 18:40:07
199.161.127.0/24 4,083 2026-08-03 18:40:07
199.161.126.0/24 3,859 2026-08-03 18:40:03

Frequently Asked Questions

What is AS19997?

AS19997 is an Autonomous System Number assigned to Penn National Insurance. 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 AS19997 announce?

AS19997 announces 1.5K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in United States.

Who operates AS19997?

AS19997 is operated by Penn National Insurance. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS19997 registered in?

AS19997 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 19:27:01 UTC
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