AS209859 Fesr

Germany FESR-AS RIPE 2 IPv4 prefixes 8 IPv6 prefixes

IPv4 addresses

768

IPv6 /48 networks

180

RPKI

10 valid0 no ROA

Peers and downstreams

Holder

AS name: FESR-AS
Description: Florian Martin Esser
Organisation: Florian Martin Esser
Registered in: Köln, Germany
Abuse contact: abuse@fesr.net
Assigned: 2018-11-19
Registered: 2018-11-20
Record last changed: 2023-09-17 12:42 UTC

195.85.10.0/23 45.10.0.0/24

AS1103	SURF B.V. SURFNET-NL
AS1140	Stichting Internet Domeinregistratie Nederland SIDN
AS3212	Telemach Slovenija d.o.o. TELEMACH
AS3333	Reseaux IP Europeens Network Coordination Centre (RIPE NCC) RIPE-NCC-AS
AS6204	TMRC GROUP SRL ZET-NET
AS6696	VERIXI SA VERIXI
AS7713	PT Telekomunikasi Indonesia telkomnet-as-ap
AS8218	Zayo Infrastructure France SA NEO-ASN
AS8298	IPng Networks GmbH IPNG
AS8888	xTom Pty Ltd XTOM
AS12859	BIT BV NL-BIT
AS14840	BR.Digital Telecom AS14840
AS14907	Wikimedia Foundation Inc. WIKIMEDIA
AS17639	Converge ICT Solutions Inc. CONVERGE-AS
AS20485	Joint Stock Company TransTeleCom TRANSTELECOM
AS20932	Services Industriels de Geneve SIG-ST
AS24482	SG.GS SGGS-AS-AP
AS25091	IP-Max SA IP-Max
AS29075	IELO-LIAZO SERVICES SAS IELO
AS29632	Netassist International EOOD NASSIST-AS
AS33891	Core-Backbone GmbH CORE-BACKBONE
AS34019	Hivane Association HIVANE
AS34549	meerfarbig GmbH & Co. KG MEER-AS
AS37100	SEACOM Limited
AS37468	Angola Cables
AS37721	Virtual Technologies & Solutions
AS39249	Netassist International EOOD KICUA-AS
AS39351	31173 Services AB ESAB-AS
AS41666	Institute for Pyrotechnical Cleaning (limited company) PYRO-AS
AS42541	Fiberby ApS FIBERBY
AS45489	Sri Lanka Telecom PLC, GLobal Peering SLT-GLOBAL
AS48185	team.blue NV team_blue
AS48646	SDRmedia Verwaltungs GmbH STEFAN6
AS49434	FBW NETWORKS SAS FBWNETWORKS
AS49544	i3D.net B.V i3Dnet
AS50629	LWLcom GmbH LWLCOM
AS50673	Serverius Holding B.V. Serverius-as
AS51185	MainStreaming SpA MAINSTREAMING-AS
AS56987	ABACLOUDA SAS AS-ABACLOUDA
AS58299	Openfactory GmbH OPENFACTORY-AS
AS62167	Tismi BV Tismi
AS64475	Freifunk Frankfurt am Main e.V. FREIFUNK-FRANKFURT
AS137409	GSL Networks Pty LTD GSLNETWORKS-AS-AP
AS198150	SIACOM JSC SIACOM-AS
AS199854	Itbypassion ITBYPASSION
AS204092	Association GRIFON GRIFON
AS205103	Telegraph42 Management GmbH TELEGRAPH-AS
AS205112	PHILUNET GmbH PHILUNET
AS205206	Netsite A/S Netsite
AS206499	LOCIX LIMITED LOCIX
AS209022	Tschajera Limited Tschajera-Limited
AS209090	Association Stolon STOLON
AS209823	Enki Multimedia EURL ENKI-AS
AS210937	Showfom
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS213151	Christian Elsen CHRISELSEN
AS263444	Open X Tecnologia Ltda AS263444
AS401753	BIXCE Inc BIXCE

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 85/100

pass	Prefixes covered by valid ROAs 10 of 10 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 8 IPv6 prefixes.	15/15
pass	More than one upstream 3 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@fesr.net 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
fail	Registry record maintained Last changed 2023-09-17.	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/209859"><img src="https://ip-fd.net/badge/asn/209859/health.svg" alt="AS209859 network health on IP-FD.net"></a>

Markdown

[![AS209859 network health](https://ip-fd.net/badge/asn/209859/health.svg)](https://ip-fd.net/asn/209859)

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

Routing changes

Last 30 days

2026-10-04 10:46 UTC	Neighbour gone	AS56662	peer
2026-10-04 10:46 UTC	Neighbour gone	AS34927	upstream
2026-10-04 10:46 UTC	Neighbour gone	AS3214	peer
2026-10-04 10:46 UTC	New neighbour	AS8888	peer
2026-10-04 10:46 UTC	Relationship changed	AS8298	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS8218	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS7713	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS6696	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS50673	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS49434	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS48646	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS401753	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS39351	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS39249	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS37468	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS37100	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS34549	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS33891	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS29632	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS263444	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS25091	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS209090	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS209022	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS205103	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS20485	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS14840	upstream to peer
2026-10-04 10:46 UTC	Relationship changed	AS137409	upstream to peer

WHOIS

aut-num:        AS209859
as-name:        FESR-AS
org:            ORG-FESR1-RIPE
remarks:        +=====================================================================
remarks:        | AS209859
remarks:        |
remarks:        | We have an open peering policy, just get in touch.
remarks:        |
remarks:        | peering (at) as209859.net
remarks:        | https://as209859.peeringdb.com
remarks:        +=====================================================================
remarks:        | Upstreams
remarks:        +=====================================================================
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        +=====================================================================
remarks:        | Peerings
remarks:        +=====================================================================
remarks:        
remarks:        
remarks:        
remarks:        +=====================================================================
admin-c:        FESR-RIPE
tech-c:         FESR-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         FESR-MNT
created:        2018-11-20T09:13:23Z
last-modified:  2023-09-17T12:42:01Z
source:         RIPE
sponsoring-org: ORG-PMTA6-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/209859

const res = await fetch('https://ip-fd.net/api/v1/asn/209859', {
  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/209859', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/209859');
curl_setopt($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/209859", 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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