AS39184 UltraNET Ltd

Bulgaria UltraNET-AS RIPE 195 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

56,064

IPv6 /48 networks

RPKI

193 valid2 no ROA

Peers and downstreams

Holder

AS name: UltraNET-AS
Description: +------------------------------------------------------+ | UltraNET Ltd, No1 ISP and Carrier in Bulgaria +------------------------------------------------------+ | + For abuse, spam, etc reports: spam@ultranet.biz | + Peering and network issues: admin@ultranet.biz
Organisation: UltraNET Ltd
Registered in: Blagoevgrad, Bulgaria
Abuse contact: abuse@ultranet.biz
Assigned: 2005-12-28
Registered: 2005-12-29
Record last changed: 2026-04-20 14:35 UTC

185.116.92.0/24 185.116.93.0/24 185.116.94.0/24 185.116.95.0/24 185.247.56.0/24 185.247.57.0/24 185.247.58.0/24 185.247.59.0/24 185.253.156.0/24 185.253.157.0/24 185.253.158.0/24 193.161.132.0/24 193.161.133.0/24 193.161.134.0/24 193.161.135.0/24 213.149.128.0/24 213.149.129.0/24 213.149.130.0/24 213.149.131.0/24 213.149.132.0/24 213.149.133.0/24 213.149.134.0/24 213.149.135.0/24 213.149.136.0/24 213.149.137.0/24 213.149.138.0/24 213.149.139.0/24 213.149.140.0/24 213.149.141.0/24 213.149.142.0/24 213.149.143.0/24 213.149.144.0/24 213.149.146.0/24 213.149.147.0/24 213.149.148.0/24 213.149.149.0/24 213.149.150.0/24 213.149.151.0/24 213.149.152.0/24 213.149.153.0/24 213.149.155.0/24 213.149.158.0/24 213.149.159.0/24 45.65.68.0/22 45.65.68.0/24 45.65.69.0/24 45.65.70.0/24 45.65.71.0/24 45.67.88.0/22 45.67.88.0/24 45.67.89.0/24 45.67.90.0/24 45.67.91.0/24 5.133.92.0/24 5.133.93.0/24 5.133.94.0/24 5.133.95.0/24 5.181.28.0/24 5.181.29.0/24 5.181.30.0/24 5.181.31.0/24 5.183.228.0/24 5.183.229.0/24 5.183.230.0/24 5.183.231.0/24 77.76.32.0/19 77.76.32.0/24 77.76.33.0/24 77.76.59.0/24 77.76.60.0/24 77.76.61.0/24 77.76.62.0/24 77.76.63.0/24 77.77.0.0/18 77.77.0.0/24 77.77.1.0/24 77.77.10.0/24 77.77.11.0/24 77.77.12.0/24 77.77.13.0/24 77.77.14.0/24 77.77.15.0/24 77.77.16.0/24 77.77.17.0/24 77.77.18.0/24 77.77.19.0/24 77.77.20.0/24 77.77.21.0/24 77.77.22.0/24 77.77.23.0/24 77.77.24.0/24 77.77.25.0/24 77.77.26.0/24 77.77.27.0/24 77.77.28.0/24 77.77.29.0/24 77.77.3.0/24 77.77.30.0/24 77.77.31.0/24 77.77.32.0/24 77.77.33.0/24 77.77.34.0/24 77.77.35.0/24 77.77.36.0/24 77.77.37.0/24 77.77.38.0/24 77.77.39.0/24 77.77.4.0/24 77.77.40.0/24 77.77.41.0/24 77.77.42.0/24 77.77.43.0/24 77.77.44.0/24 77.77.45.0/24 77.77.46.0/24 77.77.47.0/24 77.77.48.0/24 77.77.5.0/24 77.77.50.0/24 77.77.51.0/24 77.77.52.0/24 77.77.53.0/24 77.77.54.0/24 77.77.55.0/24 77.77.56.0/24 77.77.57.0/24 77.77.58.0/24 77.77.59.0/24 77.77.6.0/24 77.77.60.0/24 77.77.61.0/24 77.77.62.0/24 77.77.63.0/24 77.77.7.0/24 77.77.8.0/24 77.77.9.0/24 80.72.65.0/24 80.72.67.0/24 80.72.70.0/24 80.72.71.0/24 80.72.73.0/24 80.72.74.0/24 80.72.76.0/24 80.72.79.0/24 80.72.83.0/24 80.72.94.0/24 80.78.224.0/24 80.78.225.0/24 80.78.226.0/24 80.78.227.0/24 80.78.228.0/24 80.78.229.0/24 80.78.230.0/24 80.78.231.0/24 80.78.232.0/24 80.78.233.0/24 80.78.234.0/24 80.78.235.0/24 80.78.236.0/24 80.78.237.0/24 80.78.238.0/24 80.78.239.0/24 85.95.86.0/23 85.95.88.0/24 88.80.100.0/24 88.80.101.0/24 88.80.102.0/24 88.80.103.0/24 88.80.104.0/24 88.80.105.0/24 88.80.106.0/24 88.80.107.0/24 88.80.108.0/24 88.80.109.0/24 88.80.110.0/24 88.80.111.0/24 88.80.112.0/24 88.80.113.0/24 88.80.114.0/24 88.80.115.0/24 88.80.116.0/24 88.80.117.0/24 88.80.118.0/24 88.80.119.0/24 88.80.120.0/24 88.80.121.0/24 88.80.122.0/24 88.80.123.0/24 88.80.124.0/24 88.80.125.0/24 88.80.126.0/24 88.80.96.0/24 88.80.97.0/24 88.80.98.0/24 88.80.99.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 75/100

partly	Prefixes covered by valid ROAs 193 of 195 announced prefixes are RPKI valid, 2 have no ROA.	25/25
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 3 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@ultranet.biz 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
pass	Registry record maintained Last changed 2026-04-20.	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/39184"><img src="https://ip-fd.net/badge/asn/39184/health.svg" alt="AS39184 network health on IP-FD.net"></a>

Markdown

[![AS39184 network health](https://ip-fd.net/badge/asn/39184/health.svg)](https://ip-fd.net/asn/39184)

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

Routing changes

Last 30 days

2026-10-04 10:04 UTC	Neighbour gone	AS44901	peer
2026-10-04 10:04 UTC	Relationship changed	AS9009	upstream to peer
2026-10-04 10:04 UTC	New neighbour	AS8717	peer
2026-10-04 10:04 UTC	Relationship changed	AS8280	upstream to peer
2026-10-04 10:04 UTC	Relationship changed	AS8218	upstream to peer
2026-10-04 10:04 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 10:04 UTC	Relationship changed	AS5405	upstream to peer
2026-10-04 10:04 UTC	Relationship changed	AS21215	upstream to peer
2026-10-04 10:04 UTC	Relationship changed	AS15958	upstream to peer
2026-10-04 10:04 UTC	Relationship changed	AS137409	upstream to peer
2026-10-04 10:04 UTC	New prefix	77.77.55.0/24

WHOIS

aut-num:        AS39184
as-name:        UltraNET-AS
descr:          +------------------------------------------------------+
descr:          | UltraNET Ltd, No1 ISP and Carrier in Bulgaria
descr:          +------------------------------------------------------+
descr:          | + For abuse, spam, etc reports: spam@ultranet.biz
descr:          | + Peering and network issues: admin@ultranet.biz
descr:          | + Our as-set is: AS-SET-ULTRANET
descr:          +------------------------------------------------------+
org:            ORG-UO129-RIPE
remarks:        +------------------------------------------------------+
remarks:        | UPSTREAM PROVIDERS
remarks:        +------------------------------------------------------+
remarks:        | + ARELION (AS1299):
remarks:        +------------------------------------------------------+
remarks:        | + RETN (AS9002):
remarks:        +------------------------------------------------------+
remarks:        | LOCAL EXCHANGE (PARTNER PROVIDERS)
remarks:        +------------------------------------------------------+
remarks:        | + Neterra (AS34224):
remarks:        +------------------------------------------------------+
remarks:        | + Vivacom (AS8866):
remarks:        +------------------------------------------------------+
remarks:        | + Net1 (AS43561):
remarks:        +------------------------------------------------------+
remarks:        | + A1 (AS8717):
remarks:        +------------------------------------------------------+
remarks:        | + DCC (AS51582):
remarks:        +------------------------------------------------------+
remarks:        | + ITNS-GLOBAL (AS31293):
remarks:        +------------------------------------------------------+
remarks:        | + ITNS-GLOBAL (AS203954):
remarks:        +------------------------------------------------------+
remarks:        | + HALIL (AS212283):
remarks:        +------------------------------------------------------+
remarks:        | END OF LIST
remarks:        +------------------------------------------------------+
admin-c:        IT711-RIPE
tech-c:         IT711-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-BGULTRANET
created:        2005-12-29T13:32:19Z
last-modified:  2026-04-20T14:35:28Z
source:         RIPE
% 20 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/39184

const res = await fetch('https://ip-fd.net/api/v1/asn/39184', {
  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/39184', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/39184');
curl_setopt($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/39184", 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.

AS1299	Arelion Sweden AB TWELVE99
AS3303	Swisscom (Schweiz) AG SWISSCOM
AS9002	RETN Limited RETN-AS

AS42293	AVALA AVALA-AS ET PAVLIN ILIEV
AS198783	ET HALIL ADEM HALIL_ADEM
AS199702	VIM TV LTD vimtv

AS5405	Inter.link GmbH INTERDOTLINK
AS6204	TMRC GROUP SRL ZET-NET
AS8218	Zayo Infrastructure France SA NEO-ASN
AS8280	SYNAPSECOM S.A. Provider of Telecommunications and Internet Services SYNAPSECOM-AS
AS8717	A1 Bulgaria EAD A1BG
AS9009	M247 Europe SRL M247
AS13004	Serbian Open Exchange DOO SOX
AS15958	CETIN Ltd. Belgrade CETIN_doo_AS
AS21215	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd UGNI
AS49544	i3D.net B.V i3Dnet
AS137409	GSL Networks Pty LTD GSLNETWORKS-AS-AP
AS208972	GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI gibirnet-tr