AS11528 Photronics Inc.

United States PHOTRONICS ARIN 10 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

2,560

IPv6 /48 networks

RPKI

1 valid9 no ROA

Peers and downstreams

Holder

AS name: PHOTRONICS
Description: Photronics, Inc. 15 Secor Road Brookfield CT 06804 United States
Organisation: Photronics Inc.
Abuse contact: Not published
Assigned: 1998-09-16
Registered: 1998-09-17
Record last changed: 2012-02-24 14:44 UTC

192.129.97.0/24 198.61.5.0/24 199.36.0.0/24 199.36.2.0/24 199.36.4.0/24 199.36.7.0/24 206.220.68.0/24 206.220.69.0/24 206.220.70.0/24 206.220.71.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade D · 48/100

partly	Prefixes covered by valid ROAs 1 of 10 announced prefixes are RPKI valid, 9 have no ROA.	3/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
fail	Announces IPv6 No IPv6 prefixes are announced.	0/15
pass	More than one upstream 8 upstreams seen in BGP.	10/10
pass	Working abuse contact corpnet@photronics.com 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 2012-02-24.	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/11528"><img src="https://ip-fd.net/badge/asn/11528/health.svg" alt="AS11528 network health on IP-FD.net"></a>

Markdown

[![AS11528 network health](https://ip-fd.net/badge/asn/11528/health.svg)](https://ip-fd.net/asn/11528)

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

Routing changes

Last 30 days

2026-10-04 10:51 UTC	Neighbour gone	AS9924	upstream
2026-10-04 10:51 UTC	New neighbour	AS17408	upstream

WHOIS

aut-num:        AS11528
as-name:        PHOTRONICS
handle:         AS11528
registrant:     PHOTRO (Photronics Inc.)
abuse,administrative,technical:CH7-ORG-ARIN (Photronics) <corpnet@photronics.com>
technical:      PHOTR-ARIN (Photronics) <corpnet@photronics.com>
technical:      CN44-ARIN (Corp. Networks) <dgreaves@photronics.com>
last changed:   2012-02-24T09:44:34-05:00
registration:   1998-09-17T00:00:00-04:00
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/11528

const res = await fetch('https://ip-fd.net/api/v1/asn/11528', {
  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/11528', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/11528');
curl_setopt($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/11528", 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.

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