AS5739 University of California, Santa Cruz

United States UCSC ARIN 2 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

131,072

IPv6 /48 networks

65,536

RPKI

1 valid2 no ROA

Peers and downstreams

Holder

AS name: UCSC
Description: University of California, Santa Cruz
Organisation: University of California, Santa Cruz
Abuse contact: Not published
Assigned: 1995-09-12
Registered: 1995-09-13
Record last changed: 2011-06-29 16:36 UTC

128.114.0.0/16 169.233.0.0/16

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 63/100

partly	Prefixes covered by valid ROAs 1 of 3 announced prefixes are RPKI valid, 2 have no ROA.	8/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 1 IPv6 prefix.	15/15
partly	More than one upstream 1 upstream seen in BGP.	5/10
pass	Working abuse contact abuse@ucsc.edu 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
fail	Registry record maintained Last changed 2011-06-29.	0/5

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/5739"><img src="https://ip-fd.net/badge/asn/5739/health.svg" alt="AS5739 network health on IP-FD.net"></a>

Markdown

[![AS5739 network health](https://ip-fd.net/badge/asn/5739/health.svg)](https://ip-fd.net/asn/5739)

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:        AS5739
as-name:        UCSC
handle:         AS5739
registrant:     UCSC (University of California, Santa Cruz)
abuse:          UCSCN1-ARIN (UCSC Security) <abuse@ucsc.edu>
technical,administrative,noc:UCSCN-ARIN (Network Operations Center) <noc@ucsc.edu>
technical:      UCSCN-ARIN (Network Operations Center) <noc@ucsc.edu>
last changed:   2011-06-29T12:36:29-04:00
registration:   1995-09-13T00:00:00-04:00
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/5739

const res = await fetch('https://ip-fd.net/api/v1/asn/5739', {
  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/5739', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/5739');
curl_setopt($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/5739", 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))

Works without a key at a lower rate. Get a free key.