AS39543 Tennet Telecom SRL

Romania TENNET-AS RIPE 30 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

7,424

IPv6 /48 networks

RPKI

31 valid0 no ROA

Peers and downstreams

Holder

AS name: TENNET-AS
Description: Tennet Telecom SRL
Organisation: Tennet Telecom SRL
Registered in: Bucharest, Romania
Abuse contact: abuse@tennet.ro
Assigned: 2006-03-15
Registered: 2006-03-16
Record last changed: 2026-02-05 08:26 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 100/100

pass	Prefixes covered by valid ROAs 31 of 31 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@tennet.ro 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 2026-02-05.	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/39543"><img src="https://ip-fd.net/badge/asn/39543/health.svg" alt="AS39543 network health on IP-FD.net"></a>

Markdown

[![AS39543 network health](https://ip-fd.net/badge/asn/39543/health.svg)](https://ip-fd.net/asn/39543)

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

Routing changes

Last 30 days

2026-10-04 12:10 UTC	Neighbour gone	AS21215	upstream
2026-10-04 12:10 UTC	Neighbour gone	AS6910	upstream
2026-10-04 12:10 UTC	Relationship changed	AS8708	upstream to peer
2026-10-04 12:10 UTC	Relationship changed	AS47734	upstream to peer
2026-10-04 12:10 UTC	Relationship changed	AS264409	upstream to peer
2026-10-04 12:10 UTC	Relationship changed	AS263444	upstream to peer
2026-10-04 12:10 UTC	Relationship changed	AS24745	upstream to peer
2026-10-04 12:10 UTC	Relationship changed	AS20764	upstream to peer
2026-10-04 12:10 UTC	Relationship changed	AS14840	upstream to peer
2026-10-04 12:10 UTC	Relationship changed	AS12310	upstream to peer

WHOIS

aut-num:        AS39543
as-name:        TENNET-AS
org:            ORG-ETS1-RIPE
remarks:        
remarks:        
remarks:        
admin-c:        CF3992-RIPE
tech-c:         CF3992-RIPE
status:         ASSIGNED
mnt-by:         TENNET-MNT
mnt-by:         RIPE-NCC-END-MNT
created:        2006-03-16T12:05:33Z
last-modified:  2026-02-05T08:26:44Z
source:         RIPE
% 4 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/39543

const res = await fetch('https://ip-fd.net/api/v1/asn/39543', {
  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/39543', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/39543');
curl_setopt($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/39543", 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.

AS6204	TMRC GROUP SRL ZET-NET
AS6939	Hurricane Electric LLC HURRICANE
AS41494	Asociatia Interlan ASOCIATIA-INTERLAN

AS30890	Tennet Telecom SRL TENNET
AS41537	SC C Solution SRL C-SOLUTION-AS
AS41984	Confort L&CC SRL MCC-AS
AS60604	Primaria Municipiului Calarasi PRIMARIA-CALARASI-AS
AS214265	Yako Telecom SRL Yako-AS

AS3233	ICI Bucuresti ICI-ROTLD Institutul National de Cercetare-Dezvoltare in informatica
AS8708	DIGI ROMANIA S.A. DIGI-RO
AS12310	iNES GROUP SRL iNES
AS14840	BR.Digital Telecom AS14840
AS20764	CJSC RASCOM RASCOM-AS
AS24482	SG.GS SGGS-AS-AP
AS24745	Orange Romania S.A. Balcan-IX
AS30890	Tennet Telecom SRL TENNET
AS31313	Serviciul de Telecomunicatii Speciale STS
AS31554	LANSOFT DATA SRL LANSOFT
AS33823	PHOENIX TELECOM & MEDIA SERVICES SRL GEMENII-NETWORK
AS35505	Pronet Solutii IT SRL PRONETIT-AS
AS36236	NetActuate, Inc NETACTUATE
AS39668	Intersat SRL AS-INTERSAT_CT
AS41537	SC C Solution SRL C-SOLUTION-AS
AS41984	Confort L&CC SRL MCC-AS
AS44901	Belcloud LTD belcloud
AS47734	Telecom IT Solutions SRL TELECOM-IT-SOLUTIONS-AS
AS49544	i3D.net B.V i3Dnet
AS56430	Chroot Network SRL CHROOT
AS60604	Primaria Municipiului Calarasi PRIMARIA-CALARASI-AS
AS198150	SIACOM JSC SIACOM-AS
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS263444	Open X Tecnologia Ltda AS263444
AS264409	Huge Solucoes Corporativas Ltda AS264409