AS31641 Atlas Communications (NI) Ltd

United Kingdom ATLAS-COMMUNICATIONS-AS RIPE 4 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

10,240

IPv6 /48 networks

65,536

RPKI

5 valid0 no ROA

Peers and downstreams

Holder

AS name: ATLAS-COMMUNICATIONS-AS
Description: Atlas Communications (NI) Ltd
Organisation: Atlas Communications (NI) Ltd
Registered in: Belfast, United Kingdom
Abuse contact: abuse@atlas-comms.com
Assigned: 2004-06-28
Registered: 2004-06-29
Record last changed: 2026-06-03 10:12 UTC

185.66.208.0/22 193.27.32.0/22 80.76.192.0/20 80.95.176.0/20

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 100/100

pass	Prefixes covered by valid ROAs 5 of 5 announced prefixes are RPKI valid.	25/25
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
pass	Working abuse contact abuse@atlas-comms.com is published.	15/15
pass	Publishes a geofeed A geofeed (RFC 8805) tells where the address space is used.	10/10
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 2026-06-03.	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/31641"><img src="https://ip-fd.net/badge/asn/31641/health.svg" alt="AS31641 network health on IP-FD.net"></a>

Markdown

[![AS31641 network health](https://ip-fd.net/badge/asn/31641/health.svg)](https://ip-fd.net/asn/31641)

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

Routing changes

Last 30 days

2026-10-04 10:43 UTC	Neighbour gone	AS20764	upstream
2026-10-04 10:43 UTC	Neighbour gone	AS12552	upstream
2026-10-04 10:43 UTC	New neighbour	AS6894	peer
2026-10-04 10:43 UTC	Relationship changed	AS9044	upstream to peer
2026-10-04 10:43 UTC	Relationship changed	AS9002	upstream to peer
2026-10-04 10:43 UTC	Relationship changed	AS8966	upstream to peer
2026-10-04 10:43 UTC	Relationship changed	AS7195	upstream to peer
2026-10-04 10:43 UTC	New neighbour	AS6057	peer
2026-10-04 10:43 UTC	Relationship changed	AS60171	upstream to peer
2026-10-04 10:43 UTC	Relationship changed	AS5405	upstream to peer
2026-10-04 10:43 UTC	Relationship changed	AS48362	upstream to peer
2026-10-04 10:43 UTC	Relationship changed	AS4455	upstream to peer
2026-10-04 10:43 UTC	Relationship changed	AS37468	upstream to peer
2026-10-04 10:43 UTC	Relationship changed	AS35280	upstream to peer
2026-10-04 10:43 UTC	Relationship changed	AS34927	upstream to peer
2026-10-04 10:43 UTC	Relationship changed	AS34549	upstream to peer
2026-10-04 10:43 UTC	Relationship changed	AS3214	upstream to peer
2026-10-04 10:43 UTC	Relationship changed	AS29075	upstream to peer
2026-10-04 10:43 UTC	Relationship changed	AS286	upstream to peer
2026-10-04 10:43 UTC	Relationship changed	AS25091	upstream to peer
2026-10-04 10:43 UTC	Relationship changed	AS22356	upstream to peer
2026-10-04 10:43 UTC	New neighbour	AS215638	peer
2026-10-04 10:43 UTC	Relationship changed	AS20562	upstream to peer
2026-10-04 10:43 UTC	Relationship changed	AS14840	upstream to peer

WHOIS

aut-num:        AS31641
as-name:        ATLAS-COMMUNICATIONS-AS
remarks:        ***************************************************************
remarks:        *** FLUIDATA, GB ***
remarks:        *** GTT-BACKBONE GTT, DE ***
remarks:        *** BEACONBROADBAND, GB ***
remarks:        *** ASN-LABTECH, GB ***
remarks:        *** COGENT-174 - Cogent Communications, US ***
remarks:        *** Virgin Media Limited ***
remarks:        ***************************************************************
org:            ORG-ACL38-RIPE
admin-c:        AH12578-RIPE
tech-c:         AH12578-RIPE
abuse-c:        AR38659-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         uk-atlascomms-1-mnt
created:        2004-06-29T13:58:56Z
last-modified:  2026-06-03T10:12:24Z
source:         RIPE
% 11 routing policy lines (import/export) not shown

Routing data

Updated just now

Registry record

Fetched just now from RIPE

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/31641

const res = await fetch('https://ip-fd.net/api/v1/asn/31641', {
  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/31641', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/31641');
curl_setopt($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/31641", 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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