# Radar Autonomous Systems
## List autonomous systems
**GET** `/radar/entities/asns`
Retrieves a list of autonomous systems.
### Responses
#### 200 Successful response.
> Data is at `body["result"]`
```json
{
"asns": [
{
"aka": "*string*",
"asn": "*integer*",
"country": "*string*",
"countryName": "*string*",
"name": "*string*",
"orgName": "*string*",
"website": "*string*"
}
]
}
```
#### 400 Bad request.
```json
{
"errors": [
{
"message": "*string*"
}
],
"result": {},
"success": "*boolean*"
}
```
## Get AS details by IP address
**GET** `/radar/entities/asns/ip`
Retrieves the requested autonomous system information based on IP address. Population estimates come from APNIC (refer to https://labs.apnic.net/?p=526).
### Responses
#### 200 Successful response.
> Data is at `body["result"]`
```json
{
"asn": {
"aka": "*string*",
"asn": "*integer*",
"country": "*string*",
"countryName": "*string*",
"estimatedUsers": {
"estimatedUsers": "*integer*",
"locations": [
{
"estimatedUsers": "*integer*",
"locationAlpha2": "*string*",
"locationName": "*string*"
}
]
},
"name": "*string*",
"orgName": "*string*",
"related": [
{
"aka": "*string*",
"asn": "*integer*",
"estimatedUsers": "*integer*",
"name": "*string*"
}
],
"source": "*string*",
"website": "*string*"
}
}
```
#### 404 Not found.
```json
{
"error": "*string*"
}
```
## Get AS details by ASN
**GET** `/radar/entities/asns/{asn}`
Retrieves the requested autonomous system information. (A confidence level below `5` indicates a low level of confidence in the traffic data - normally this happens because Cloudflare has a small amount of traffic from/to this AS). Population estimates come from APNIC (refer to https://labs.apnic.net/?p=526).
### Responses
#### 200 Successful response.
> Data is at `body["result"]`
```json
{
"asn": {
"aka": "*string*",
"asn": "*integer*",
"confidenceLevel": "*integer*",
"country": "*string*",
"countryName": "*string*",
"estimatedUsers": {
"estimatedUsers": "*integer*",
"locations": [
{
"estimatedUsers": "*integer*",
"locationAlpha2": "*string*",
"locationName": "*string*"
}
]
},
"name": "*string*",
"orgName": "*string*",
"related": [
{
"aka": "*string*",
"asn": "*integer*",
"estimatedUsers": "*integer*",
"name": "*string*"
}
],
"source": "*string*",
"website": "*string*"
}
}
```
#### 404 Not found.
```json
{
"error": "*string*"
}
```
## Get IRR AS-SETs that an AS is a member of
**GET** `/radar/entities/asns/{asn}/as_set`
Retrieves Internet Routing Registry AS-SETs that an AS is a member of.
### Responses
#### 200 Successful response.
> Data is at `body["result"]`
```json
{
"as_sets": [
{
"as_members_count": "*integer*",
"as_set_members_count": "*integer*",
"as_set_upstreams_count": "*integer*",
"asn_cone_size": "*integer*",
"hierarchical_asn": "*integer*",
"inferred_asn": "*integer*",
"irr_sources": [
"*string*"
],
"name": "*string*",
"peeringdb_asn": "*integer*"
}
],
"paths": [
[
"*string*"
]
]
}
```
#### 400 Bad request.
```json
{
"errors": [
{
"message": "*string*"
}
],
"result": {},
"success": "*boolean*"
}
```
## Get AS-level relationships by ASN
**GET** `/radar/entities/asns/{asn}/rel`
Retrieves AS-level relationship for given networks.
### Responses
#### 200 Successful response.
> Data is at `body["result"]`
```json
{
"meta": {
"data_time": "*string*",
"query_time": "*string*",
"total_peers": "*integer*"
},
"rels": [
{
"asn1": "*integer*",
"asn1_country": "*string*",
"asn1_name": "*string*",
"asn2": "*integer*",
"asn2_country": "*string*",
"asn2_name": "*string*",
"rel": "*string*"
}
]
}
```
#### 400 Bad request.
```json
{
"errors": [
{
"message": "*string*"
}
],
"result": {},
"success": "*boolean*"
}
```