AS4373 Online Computer Library Center

United States OCLC-AS ARIN 19 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

72,704

IPv6 /48 networks

RPKI

0 valid19 no ROA

Peers and downstreams

Holder

AS name: OCLC-AS
Description: Online Computer Library Center
Organisation: Online Computer Library Center
Abuse contact: Not published
Assigned: 1995-02-07
Registered: 1995-02-08
Record last changed: 1995-02-08 21:20 UTC

113.29.23.0/24 132.174.0.0/16 132.174.181.0/24 132.174.182.0/24 154.59.124.0/23 192.156.252.0/24 192.188.124.0/24 193.240.184.0/24 198.137.189.0/24 198.137.190.0/24 198.137.191.0/24 198.187.191.0/24 199.164.217.0/24 204.152.100.0/22 204.152.104.0/24 204.17.227.0/24 205.160.168.0/23 206.107.40.0/21 38.117.94.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade E · 30/100

fail	Prefixes covered by valid ROAs 0 of 19 announced prefixes are RPKI valid, 19 have no ROA.	0/25
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 5 upstreams seen in BGP.	10/10
fail	Working abuse contact No abuse contact is published in the registry.	0/15
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 1995-02-08.	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/4373"><img src="https://ip-fd.net/badge/asn/4373/health.svg" alt="AS4373 network health on IP-FD.net"></a>

Markdown

[![AS4373 network health](https://ip-fd.net/badge/asn/4373/health.svg)](https://ip-fd.net/asn/4373)

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:        AS4373
as-name:        OCLC-AS
handle:         AS4373
registrant:     OCLC-1 (Online Computer Library Center)
technical,abuse,administrative:ANS-NOC-ARIN (ANS CORE Systems Inc) <noc@ans.net>
last changed:   1995-02-08T16:20:25-05:00
registration:   1995-02-08T00:00:00-05:00
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/4373

const res = await fetch('https://ip-fd.net/api/v1/asn/4373', {
  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/4373', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/4373');
curl_setopt($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/4373", 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.

AS3257	GTT Communications Inc. GTT-BACKBONE
AS3356	Level 3 Parent, LLC LEVEL3
AS4922	Shenandoah Cable Television LLC SHENTEL
AS13335	Cloudflare, Inc. CLOUDFLARENET
AS15830	Equinix (EMEA) Acquisition Enterprises B.V. Equinix

AS174
AS286	Kpn KPN