IP Blocks

Retrieve IPv6 subnets from an IP block

Since 7.1.0
GET/connectivity/ipblocks/{blockId}/ipv6

Paged generated subnets of an IPv6 block with their assignment, filterable by subnet, reservation, assignment and server.

Request

Authorization
Provide your bearer token in the Authorization header when making requests to protected resources.
Example: Authorization: Bearer ********************
Path Params#
blockIdinteger#required

A valid IP block ID as shown in VirtFusion.

Example: 1
Query Params#
resultsinteger#

Number of results to return. Range between 1 and 200. Defaults to 20.

pageinteger#

Page of results to return, starting at 1.

Example: 1
subnetstring#

Only the subnet with this address.

assignedboolean#

true for subnets assigned to a server, false for free ones.

reservedboolean#

true for reserved subnets, false for the rest.

serverIdinteger#

Only subnets assigned to this server.

Request Code Samples

curl --location --request GET 'https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1' \
--header 'Authorization: Bearer <token>' \
--header 'Accept: application/json'
wget --quiet --output-document=- \
  --method=GET \
  --header='Authorization: Bearer <token>' \
  --header='Accept: application/json' \
  'https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1'
http GET 'https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1' \
  'Authorization: Bearer <token>' \
  'Accept: application/json'
const response = await fetch("https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1", {
    method: "GET",
    headers: {
        "Authorization": "Bearer <token>",
        "Accept": "application/json",
    },
});

const data = await response.json();
console.log(response.status, data);
import axios from "axios";

const response = await axios({
    method: "get",
    url: "https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1",
    headers: {
        "Authorization": "Bearer <token>",
        "Accept": "application/json",
    },
});

console.log(response.status, response.data);
const https = require("https");

const req = https.request({
    hostname: "cp.domain.com",
    path: "/api/v1/connectivity/ipblocks/1/ipv6?page=1",
    method: "GET",
    headers: {
        "Authorization": "Bearer <token>",
        "Accept": "application/json",
    },
}, (res) => {
    let data = "";
    res.on("data", (chunk) => (data += chunk));
    res.on("end", () => console.log(res.statusCode, JSON.parse(data)));
});

req.on("error", (err) => console.error(err));
req.end();
import requests

url = "https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1"
headers = {
    "Authorization": "Bearer <token>",
    "Accept": "application/json",
}

response = requests.request("GET", url, headers=headers)

print(response.status_code)
print(response.json())
import http.client
import json

conn = http.client.HTTPSConnection("cp.domain.com")
headers = {
    "Authorization": "Bearer <token>",
    "Accept": "application/json",
}

conn.request("GET", "/api/v1/connectivity/ipblocks/1/ipv6?page=1", None, headers)
response = conn.getresponse()

print(response.status)
print(json.loads(response.read()))
<?php

$curl = curl_init();

curl_setopt_array($curl, array(
    CURLOPT_URL => 'https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_ENCODING => '',
    CURLOPT_MAXREDIRS => 10,
    CURLOPT_TIMEOUT => 0,
    CURLOPT_FOLLOWLOCATION => true,
    CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
    CURLOPT_CUSTOMREQUEST => 'GET',
    CURLOPT_HTTPHEADER => array(
        'Authorization: Bearer <token>',
        'Accept: application/json'
    ),
));

$response = curl_exec($curl);
curl_close($curl);

echo $response;
<?php

require 'vendor/autoload.php';

use GuzzleHttp\Client;

$client = new Client();

$response = $client->request('GET', 'https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1', [
    'headers' => [
        'Authorization' => 'Bearer <token>',
        'Accept' => 'application/json',
    ],
]);

echo $response->getStatusCode() . "\n";
echo $response->getBody();
package main

import (
    "fmt"
    "io"
    "net/http"
)

func main() {
    url := "https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1"
    req, _ := http.NewRequest("GET", url, nil)
    req.Header.Add("Authorization", "Bearer <token>")
    req.Header.Add("Accept", "application/json")

    res, err := http.DefaultClient.Do(req)
    if err != nil {
        panic(err)
    }
    defer res.Body.Close()

    body, _ := io.ReadAll(res.Body)
    fmt.Println(res.StatusCode, string(body))
}
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class Main {
    public static void main(String[] args) throws Exception {
        HttpClient client = HttpClient.newHttpClient();

        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create("https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1"))
            .header("Authorization", "Bearer <token>")
            .header("Accept", "application/json")
            .method("GET", HttpRequest.BodyPublishers.noBody())
            .build();

        HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
        System.out.println(response.statusCode());
        System.out.println(response.body());
    }
}
import okhttp3.*;

public class Main {
    public static void main(String[] args) throws Exception {
        OkHttpClient client = new OkHttpClient();

        Request request = new Request.Builder()
            .url("https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1")
            .method("GET", null)
            .addHeader("Authorization", "Bearer <token>")
            .addHeader("Accept", "application/json")
            .build();

        try (Response response = client.newCall(request).execute()) {
            System.out.println(response.code());
            System.out.println(response.body().string());
        }
    }
}
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;

var client = new HttpClient();
var request = new HttpRequestMessage(new HttpMethod("GET"), "https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1");
request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", "<token>");
request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));

var response = await client.SendAsync(request);
Console.WriteLine((int)response.StatusCode);
Console.WriteLine(await response.Content.ReadAsStringAsync());
require "net/http"
require "json"

uri = URI("https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1")
request = Net::HTTP::Get.new(uri)
request["Authorization"] = "Bearer <token>"
request["Accept"] = "application/json"

response = Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
  http.request(request)
end

puts response.code
puts JSON.pretty_generate(JSON.parse(response.body))
import Foundation

var request = URLRequest(url: URL(string: "https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1")!)
request.httpMethod = "GET"
request.setValue("Bearer <token>", forHTTPHeaderField: "Authorization")
request.setValue("application/json", forHTTPHeaderField: "Accept")

let task = URLSession.shared.dataTask(with: request) { data, response, error in
    guard let data = data, error == nil else { print(error ?? "request failed"); return }
    print((response as! HTTPURLResponse).statusCode)
    print(String(data: data, encoding: .utf8) ?? "")
}
task.resume()
// Cargo.toml: reqwest = { version = "0.12", features = ["blocking", "json"] }, serde_json = "1"
use reqwest::blocking::Client;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = Client::new();
    let response = client
        .request(reqwest::Method::GET, "https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1")
        .bearer_auth("<token>")
        .header("Accept", "application/json")
        .send()?;

    println!("{}", response.status());
    let json: serde_json::Value = response.json()?;
    println!("{}", serde_json::to_string_pretty(&json)?);
    Ok(())
}
// Cargo.toml: reqwest = { version = "0.12", features = ["json"] }, tokio = { version = "1", features = ["full"] }, serde_json = "1"
use reqwest::Client;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = Client::new();
    let response = client
        .request(reqwest::Method::GET, "https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1")
        .bearer_auth("<token>")
        .header("Accept", "application/json")
        .send()
        .await?;

    println!("{}", response.status());
    let json: serde_json::Value = response.json().await?;
    println!("{}", serde_json::to_string_pretty(&json)?);
    Ok(())
}
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.OkHttpClient
import okhttp3.Request

fun main() {
    val client = OkHttpClient()
    val request = Request.Builder()
        .url("https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1")
        .method("GET", null)
        .addHeader("Authorization", "Bearer <token>")
        .addHeader("Accept", "application/json")
        .build()

    client.newCall(request).execute().use { response ->
        println(response.code)
        println(response.body?.string())
    }
}
// pubspec.yaml: http: ^1.2.0
import 'dart:convert';
import 'package:http/http.dart' as http;

Future<void> main() async {
  final request = http.Request('GET', Uri.parse('https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1'));
  request.headers['Authorization'] = 'Bearer <token>';
  request.headers['Accept'] = 'application/json';

  final response = await http.Response.fromStream(await request.send());
  print(response.statusCode);
  print(const JsonEncoder.withIndent('  ').convert(jsonDecode(response.body)));
}
#include <stdio.h>
#include <curl/curl.h>

int main(void) {
    CURL *curl = curl_easy_init();
    if (!curl) return 1;

    struct curl_slist *headers = NULL;
    headers = curl_slist_append(headers, "Authorization: Bearer <token>");
    headers = curl_slist_append(headers, "Accept: application/json");

    curl_easy_setopt(curl, CURLOPT_URL, "https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1");
    curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "GET");
    curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);

    CURLcode result = curl_easy_perform(curl);
    if (result != CURLE_OK) fprintf(stderr, "%s\n", curl_easy_strerror(result));

    curl_slist_free_all(headers);
    curl_easy_cleanup(curl);
    return result == CURLE_OK ? 0 : 1;
}
$headers = @{
    Authorization = "Bearer <token>"
    Accept        = "application/json"
}

$response = Invoke-RestMethod -Uri "https://cp.domain.com/api/v1/connectivity/ipblocks/1/ipv6?page=1" -Method GET -Headers $headers
$response | ConvertTo-Json -Depth 10
GET /api/v1/connectivity/ipblocks/1/ipv6?page=1 HTTP/1.1
Host: cp.domain.com
Authorization: Bearer <token>
Accept: application/json

Responses

200

OK.

#
application/json
object
current_pageinteger#
dataarray[IPv6SubnetEntry]#
IPv6SubnetEntry fields
idinteger#
subnetstring#

The subnet's first address.

prefixinteger#nullable

The subnet's prefix length.

blockIdinteger#
serverIdinteger#nullable

The server the subnet is assigned to, or null when free.

interfaceIdinteger#nullable
interfaceSecondaryboolean#

Whether the interface it is assigned to is a secondary interface.

reservedboolean#

Reserved subnets are not handed out automatically.

exhaustedboolean#
createdstring <date-time>#nullable
updatedstring <date-time>#nullable
last_pageinteger#
per_pageinteger#
totalinteger#
Example
{
    "current_page": 1,
    "data": [
        {
            "id": 9101,
            "subnet": "2001:db8:1:5::",
            "prefix": 64,
            "blockId": 12,
            "serverId": 1500,
            "interfaceId": 4000,
            "interfaceSecondary": false,
            "reserved": false,
            "exhausted": false,
            "created": "2026-10-06T15:02:11+00:00",
            "updated": "2026-10-06T15:02:11+00:00"
        }
    ],
    "last_page": 15,
    "per_page": 20,
    "total": 300
}
401

The bearer token is missing, invalid, or expired. The response has no body.

#
No response body.
404

The IP block was not found.

#
application/json
msgstring#
Example
{
    "msg": "ip block not found"
}
409

The block is an IPv4 block.

#
application/json
errorsarray[string]#
Example
{
    "errors": [
        "generated subnets belong to IPv6 blocks"
    ]
}
429

Too many requests. Either the token's requests per minute are used up (see the `X-RateL…

#
application/json

Too many requests. Either the token's requests per minute are used up (see the X-RateLimit-* headers) or the calling address has failed authentication 10 times in a minute (the body then includes retry_after_seconds). Retry-After gives the seconds to wait.

object
errorsarray[string]#
retry_after_secondsinteger#

Seconds to wait before retrying. Present on the failed-authentication limit only.

Response headers
Retry-Afterinteger

Seconds to wait before retrying.

X-RateLimit-Limitinteger

The token's requests per minute (token limit only).

X-RateLimit-Remaininginteger

Requests left in the current minute (token limit only).

X-RateLimit-Resetinteger

Unix timestamp at which the minute resets (token limit only).

Examples
{
    "errors": [
        "Too Many Requests"
    ]
}
{
    "errors": [
        "Too many authentication attempts. Try again later."
    ],
    "retry_after_seconds": 42
}