AS4241 California State Franchise Tax Board

United States CSFTB ARIN 1 IPv4 prefix 0 IPv6 prefixes

IPv4 addresses

65,536

IPv6 /48 networks

RPKI

1 valid0 no ROA

Peers and downstreams

Holder

AS name: CSFTB
Description: California State Franchise Tax Board
Organisation: California State Franchise Tax Board
Abuse contact: Not published
Assigned: 1995-01-10
Registered: 1995-01-11
Record last changed: 2024-11-15 15:28 UTC

168.240.0.0/16

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 70/100

pass	Prefixes covered by valid ROAs 1 of 1 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
fail	Announces IPv6 No IPv6 prefixes are announced.	0/15
partly	More than one upstream 1 upstream seen in BGP.	5/10
pass	Working abuse contact Josh.Perkins@ftb.ca.gov is published.	15/15
fail	Publishes a geofeed No geofeed found. Without one, location databases have to guess.	0/10
pass	No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger.	10/10
pass	Registry record maintained Last changed 2024-11-15.	5/5

Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.

Show this on your website

HTML

<a href="https://ip-fd.net/asn/4241"><img src="https://ip-fd.net/badge/asn/4241/health.svg" alt="AS4241 network health on IP-FD.net"></a>

Markdown

[![AS4241 network health](https://ip-fd.net/badge/asn/4241/health.svg)](https://ip-fd.net/asn/4241)

Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days

No changes recorded in the last 30 days. Changes are recorded each time the routing data of this AS is refreshed. Get alerts in real time.

WHOIS

aut-num:        AS4241
as-name:        CSFTB
handle:         AS4241
registrant:     CSFTB-Z (California State Franchise Tax Board)
abuse,administrative,technical:PERKI391-ARIN (Josh Perkins) <Josh.Perkins@ftb.ca.gov>
technical:      STRIN95-ARIN (Chris Stringer) <christopher.stringer@ftb.ca.gov>
last changed:   2024-11-15T10:28:48-05:00
registration:   1995-01-11T00:00:00-05:00
source:         ARIN (RDAP)

Routing data

Updated just now

Registry record

Fetched just now from ARIN RDAP

Prefixes and neighbours come from the RIPE RIS route collectors. Data older than 5 minutes is refreshed when this page is opened.

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/4241

const res = await fetch('https://ip-fd.net/api/v1/asn/4241', {
  headers: { 'X-API-Key': 'YOUR_KEY' }
});
const data = await res.json();
console.log(data);

import requests

r = requests.get('https://ip-fd.net/api/v1/asn/4241', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/4241');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['X-API-Key: YOUR_KEY']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = json_decode(curl_exec($ch), true);
print_r($data);

req, _ := http.NewRequest("GET", "https://ip-fd.net/api/v1/asn/4241", nil)
req.Header.Set("X-API-Key", "YOUR_KEY")
res, err := http.DefaultClient.Do(req)
if err != nil {
    log.Fatal(err)
}
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))

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