---
title: "ASN Reputation History"
slug: "asn-reputation-history"
updated: 2026-01-07T18:21:35Z
published: 2026-01-07T18:21:35Z
canonical: "help.silentpush.com/asn-reputation-history"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.silentpush.com/llms.txt
> Use this file to discover all available pages before exploring further.

# ASN Reputation History

```plaintext
GET /explore/ipreputation/history/asn/{asn}
```

Get ASN Reputation history.

| **Query Parameters:** | - **asn (int) required –** - AS number - **limit = (int) (optional) –** - number of results to return - **explain =<0\|1> (int) (optional) –** - show information used to calculate the reputation score - 0 = (default) do not show - 1 = show details |
| --- | --- |
| **Request headers:** | - *X-API-KEY - api-key* |

## Example Request

```plaintext
https://api.silentpush.com/api/v1/merge-api/explore/ipreputation/history/asn/211298?limit=3&explain=1
```

```python
{
    "status_code": 200,
    "error": null,
    "response": {
        "asn_reputation_history": [
            {
                "asn": 211298,
                "asn_reputation": 100,
                "asn_reputation_explain": {
                    "ips_in_asn": 256,
                    "ips_num_active": 62,
                    "ips_num_listed": 252
                },
                "asname": "CYBER-CASA, GB",
                "date": 20210916
            },
            {
                "asn": 211298,
                "asn_reputation": 100,
                "asn_reputation_explain": {
                    "ips_in_asn": 256,
                    "ips_num_active": 61,
                    "ips_num_listed": 252
                },
                "asname": "CYBER-CASA, GB",
                "date": 20210915
            },
            {
                "asn": 211298,
                "asn_reputation": 100,
                "asn_reputation_explain": {
                    "ips_in_asn": 256,
                    "ips_num_active": 62,
                    "ips_num_listed": 252
                },
                "asname": "CYBER-CASA, GB",
                "date": 20210914
            }
        ]
    }
}
```

A measure of an Autonomous System’s trustworthiness, calculated as the ratio of blacklisted IP addresses to the total active IPs within the ASN over the past 30 days, indicating potential risk levels.