AS20437
Nationwide Mutual Insurance Company
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.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 155.188.0.0/23 | 512 |
0.0%
|
Nationwide Mutual Insurance Company | US | — | — |
| 204.145.192.0/23 | 512 |
0.0%
|
Nationwide Mutual Insurance Company | US | Iowa | Norwalk |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS20437 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 204.145.192.0/23 | 209,422 | 2026-07-30 00:39:45 |
| 155.188.0.0/23 | 202,349 | 2026-07-30 00:25:28 |
| 204.145.192.0/24 | 192,164 | 2026-07-30 00:43:25 |
| 155.188.0.0/24 | 188,846 | 2026-07-30 00:43:25 |
Frequently Asked Questions
What is AS20437?
AS20437 is an Autonomous System Number assigned to Nationwide Mutual 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 AS20437 announce?
AS20437 announces 1.0K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.
Who operates AS20437?
AS20437 is operated by Nationwide Mutual 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 AS20437 registered in?
AS20437 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
