AS557 University of Maine System

United States UNIVERSITY-OF-MAINE-SYSTEM ARIN 17 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

292,608

IPv6 /48 networks

65,536

RPKI

14 valid4 no ROA

Peers and downstreams

Holder

AS name: UNIVERSITY-OF-MAINE-SYSTEM
Description: Networkmaine 5752 Neville Hall University of Maine Orono ME 04469-5752 United States
Organisation: University of Maine System
Abuse contact: Not published
Assigned: 1989-12-12
Registered: 1989-12-13
Record last changed: 2026-09-08 17:24 UTC

130.111.0.0/16 141.114.0.0/16 169.244.0.0/16 198.148.217.0/24 198.182.161.0/24 198.182.162.0/23 198.202.151.0/24 199.33.141.0/24 204.137.240.0/24 204.197.0.0/17 207.166.224.0/19 209.222.192.0/19 209.222.192.0/24 64.45.64.0/18 65.18.0.0/18 65.18.64.0/19 65.18.96.0/20

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 69/100

partly	Prefixes covered by valid ROAs 14 of 18 announced prefixes are RPKI valid, 4 have no ROA.	19/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 1 IPv6 prefix.	15/15
pass	More than one upstream 3 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
pass	Registry record maintained Last changed 2026-09-08.	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/557"><img src="https://ip-fd.net/badge/asn/557/health.svg" alt="AS557 network health on IP-FD.net"></a>

Markdown

[![AS557 network health](https://ip-fd.net/badge/asn/557/health.svg)](https://ip-fd.net/asn/557)

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

Routing changes

Last 30 days

2026-10-04 04:39 UTC	Relationship changed	AS11537	upstream to peer
2026-10-04 04:39 UTC	Relationship changed	AS11164	upstream to peer

WHOIS

aut-num:        AS557
as-name:        UMAINE-SYS-AS
handle:         AS557
registrant:     UMAN-Z (University of Maine System)
technical:      HENRY353-ARIN (Andrew Henry) <awhenry@maine.edu>
technical:      BEANJ12-ARIN (Jonathan Bean) <jonathan.bean@maine.edu>
technical:      RPS32-ARIN (Ray Patrick Soucy) <rps@maine.edu>
last changed:   2026-09-08T13:24:34-04:00
registration:   1989-12-13T00:00:00-05:00
source:         ARIN (RDAP)

Routing data

Updated 1 days ago

Registry record

Fetched 1 days ago 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/557

const res = await fetch('https://ip-fd.net/api/v1/asn/557', {
  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/557', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/557');
curl_setopt($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/557", 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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