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Autonomous System

AS11740

Progressive Casualty Insurance Company

Announced IPs
18,432
CIDR prefixes
11
ASN
AS11740

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 AS11740 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
170.218.68.0/24 11,891 2026-07-23 20:04:44
170.218.68.0/22 10,603 2026-07-23 20:13:13
170.218.240.0/22 10,601 2026-07-23 20:13:13
170.218.32.0/20 8,653 2026-07-23 20:05:01
170.218.48.0/23 8,620 2026-07-23 20:05:01
170.218.208.0/20 7,810 2026-07-23 20:05:01
170.218.200.0/21 7,807 2026-07-23 20:05:01
170.218.248.0/23 7,791 2026-07-23 20:05:01
170.218.246.0/23 7,783 2026-07-23 20:05:01
170.218.240.0/24 4,831 2026-07-23 20:04:44
170.218.250.0/23 4,030 2026-07-23 20:29:53
170.218.224.0/20 4,012 2026-07-23 20:29:53

Frequently Asked Questions

What is AS11740?

AS11740 is an Autonomous System Number assigned to Progressive Casualty Insurance Company. 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 AS11740 announce?

AS11740 announces 18.4K IPv4 addresses distributed across 11 routed CIDR prefixes. The network is registered in United States.

Who operates AS11740?

AS11740 is operated by Progressive Casualty Insurance Company. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS11740 registered in?

AS11740 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: 2026-07-23 20:25:31 UTC
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