AS36054 Gerson Lehrman Group, Inc.

United States GLG-AS---GERSON-LEHRMAN-GROUP ARIN 2 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

512

IPv6 /48 networks

RPKI

1 valid1 no ROA

Peers and downstreams

Holder

AS name: GLG-AS---GERSON-LEHRMAN-GROUP
Description: Gerson Lehrman Group, Inc.
Organisation: Gerson Lehrman Group, Inc.
Abuse contact: Not published
Assigned: 2005-08-04
Registered: 2005-08-05
Record last changed: 2012-02-24 14:44 UTC

148.76.153.0/24 38.67.21.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade E · 43/100

partly	Prefixes covered by valid ROAs 1 of 2 announced prefixes are RPKI valid, 1 have no ROA.	13/25
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 4 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 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/36054"><img src="https://ip-fd.net/badge/asn/36054/health.svg" alt="AS36054 network health on IP-FD.net"></a>

Markdown

[![AS36054 network health](https://ip-fd.net/badge/asn/36054/health.svg)](https://ip-fd.net/asn/36054)

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:        AS36054
as-name:        GLG-AS---GERSON-LEHRMAN-GROUP
handle:         AS36054
registrant:     GLG-4 (Gerson Lehrman Group, Inc.)
administrative,technical,abuse:NETWO2924-ARIN (Network Team) <cswaby@glgroup.com>
last changed:   2012-02-24T09:44:34-05:00
registration:   2005-08-05T16:03:30-04:00
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/36054

const res = await fetch('https://ip-fd.net/api/v1/asn/36054', {
  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/36054', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/36054');
curl_setopt($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/36054", 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.

AS174
AS3356	Level 3 Parent, LLC LEVEL3
AS46887	Crown Castle Fiber LLC CROWNCASTLE-AS46887
AS54004	Cablevision Lightpath LLC LIGHTPATH