AS44486 Oliver Horscht trading as "SYNLINQ"

Germany SYNLINQ RIPE 96 IPv4 prefixes 16 IPv6 prefixes

IPv4 addresses

31,232

IPv6 /48 networks

4,784,416

RPKI

105 valid1 invalid6 no ROA

Peers and downstreams

124

Holder

AS name: SYNLINQ
Description: synlinq.de
Organisation: Oliver Horscht trading as "SYNLINQ"
Registered in: Frankfurt am Main, Germany
Abuse contact: abuse@living-bots.net
Assigned: 2019-04-24
Registered: 2019-04-25
Record last changed: 2020-10-07 16:08 UTC

103.252.88.0/22 109.71.253.0/24 151.244.232.0/24 154.43.52.0/22 154.47.144.0/22 176.100.32.0/24 176.100.33.0/24 176.100.34.0/24 176.100.35.0/24 176.100.38.0/24 176.116.18.0/24 176.118.193.0/24 185.115.205.0/24 185.132.55.0/24 185.14.95.0/24 185.229.248.0/24 185.245.61.0/24 185.53.249.0/24 192.35.206.0/24 193.105.200.0/24 193.33.167.0/24 198.135.220.0/24 204.11.1.0/24 212.104.211.0/24 212.11.93.0/24 212.87.214.0/23 37.114.34.0/24 37.114.42.0/24 37.114.43.0/24 37.114.45.0/24 37.114.47.0/24 37.114.48.0/24 37.114.49.0/24 37.114.51.0/24 37.114.52.0/24 37.114.54.0/24 37.114.55.0/24 37.114.56.0/24 37.114.59.0/24 37.44.215.0/24 45.131.109.0/24 45.131.184.0/24 45.132.88.0/24 45.132.89.0/24 45.132.90.0/24 45.132.91.0/24 45.134.108.0/24 45.134.109.0/24 45.135.200.0/22 45.137.71.0/24 45.142.114.0/24 45.142.115.0/24 45.145.224.0/23 45.152.160.0/23 45.67.68.0/24 45.67.69.0/24 45.67.70.0/24 45.67.71.0/24 45.81.232.0/24 45.81.233.0/24 45.81.234.0/24 45.81.235.0/24 45.82.120.0/22 45.84.199.0/24 45.85.219.0/24 45.88.108.0/22 45.91.251.0/24 45.93.248.0/24 45.93.249.0/24 45.93.250.0/24 45.93.251.0/24 46.243.76.0/23 46.243.77.0/24 46.243.78.0/24 46.243.79.0/24 5.175.220.0/24 5.180.252.0/23 5.180.254.0/23 5.253.244.0/24 5.39.251.0/24 5.83.145.0/24 62.68.75.0/24 77.90.28.0/24 77.90.3.0/24 80.75.218.0/24 85.93.23.0/24 89.106.64.0/24 89.106.76.0/24 89.125.156.0/24 89.144.33.0/24 89.144.42.0/24 89.35.92.0/24 91.218.64.0/22 94.103.172.0/24 94.103.173.0/24 94.249.174.0/24

AS286	Kpn KPN
AS553	Belwue BELWUE
AS559	SWITCH Switch
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH NEXTLAYER-AS
AS1828	Unitas Global UNITAS
AS1836	green.ch AG GREEN
AS2500	WIDE Project WIDE-BB
AS3212	Telemach Slovenija d.o.o. TELEMACH
AS3214	xTom GmbH XTOM
AS4230	CLARO S.A. AS4230
AS5405	Inter.link GmbH INTERDOTLINK
AS6057	Administracion Nacional de Telecomunicaciones AS6057
AS6204	TMRC GROUP SRL ZET-NET
AS6424	EDGOO NETWORKS UNIPESSOAL LDA EDGOO
AS6663	Euroweb Romania S.R.L. TTI-NET
AS6695	DE-CIX Management GmbH DECIX-AS
AS6797	GlobalConnect AB GLOBALCONNECT-NET
AS7195	EDGEUNO S.A.S AS7195
AS8218	Zayo Infrastructure France SA NEO-ASN
AS8298	IPng Networks GmbH IPNG
AS8529	Zain Omantel International FZ-LLC OMANTEL-AS
AS8758	Iway AG IWAY
AS8888	xTom Pty Ltd XTOM
AS8966	EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC Etisalat-AS
AS9002	RETN Limited RETN-AS
AS9498	BHARTI Airtel Ltd. BBIL-AP
AS12577	MMC GmbH MMC-AT-AS
AS12779	IT.Gate S.p.A. ITGATE
AS12859	BIT BV NL-BIT
AS14840	BR.Digital Telecom AS14840
AS15547	netplus.ch SA NETPLUS
AS15943	wilhelm.tel GmbH WTNET-AS
AS17639	Converge ICT Solutions Inc. CONVERGE-AS
AS18106	Viewqwest Pte Ltd VIEWQWEST-SG-AP
AS20326	TeraSwitch Networks Inc. TERASWITCH
AS20562	Broadband Hosting B.V. OPEN-PEERING-AS
AS20764	CJSC RASCOM RASCOM-AS
AS20932	Services Industriels de Geneve SIG-ST
AS22381	SAMM TECNOLOGIA E TELECOMUNICACOES S.A AS22381
AS24482	SG.GS SGGS-AS-AP
AS24889	Monzoon Networks AG MONZOON-AS
AS24961	WIIT AG MYLOC-AS
AS25091	IP-Max SA IP-Max
AS25160	Vorboss Limited VORBOSS
AS25220	equada network GmbH GLOBALNOC-AS
AS28716	Retelit Digital Services S.p.A. RETELIT-AS
AS28917	Fiord Networks, UAB Fiord-AS
AS29075	IELO-LIAZO SERVICES SAS IELO
AS29140	Hostserver GmbH HOSTSERVER-AS
AS29632	Netassist International EOOD NASSIST-AS
AS29691	Nine Internet Solutions AG NINE
AS31510	Innsbrucker Kommunalbetriebe AG IKB-AS
AS34019	Hivane Association HIVANE
AS34177	Celeste SAS CELESTE-AS
AS34288	Kantonsschule Zug AS34288
AS34549	meerfarbig GmbH & Co. KG MEER-AS
AS34927	iFog GmbH iFog-GmbH
AS35280	F5 Networks SARL F5
AS35360	Gargunet GARGUNET
AS35625	Eurofiber France SAS EUROFIBER-FRANCE
AS36236	NetActuate, Inc NETACTUATE
AS37468	Angola Cables
AS37721	Virtual Technologies & Solutions
AS39249	Netassist International EOOD KICUA-AS
AS39351	31173 Services AB ESAB-AS
AS41327	Fiber Telecom S.p.A. FIBERTELECOM-AS
AS42541	Fiberby ApS FIBERBY
AS44066	firstcolo GmbH DE-FIRSTCOLO
AS44901	Belcloud LTD belcloud
AS45489	Sri Lanka Telecom PLC, GLobal Peering SLT-GLOBAL
AS47147	Anexia Cloud Solutions GmbH AS-ANX
AS47692	Nessus GmbH NESSUS
AS48362	Tkswf TKSWF-AS
AS48919	UACITY Ltd. UA-CITY-AS
AS49434	FBW NETWORKS SAS FBWNETWORKS
AS49544	i3D.net B.V i3Dnet
AS50629	LWLcom GmbH LWLCOM
AS51184	Fonira Telekom GmbH FONIRA
AS51185	MainStreaming SpA MAINSTREAMING-AS
AS56662	Eutpnet EUTPNET
AS56987	ABACLOUDA SAS AS-ABACLOUDA
AS57777	Jeroen Massar MASSAR
AS58057	Securebit AG SECUREBIT
AS58299	Openfactory GmbH OPENFACTORY-AS
AS59105	Home NOC Operators Group HOMENOC
AS60171	AFR-IX TELECOM S.A. AFRIX-AS
AS61573	IP TELECOM AS61573
AS63025	NOHAVPS LLC NOHAVPS-LLC
AS64475	Freifunk Frankfurt am Main e.V. FREIFUNK-FRANKFURT
AS137409	GSL Networks Pty LTD GSLNETWORKS-AS-AP
AS197574	ExpressHost Ltd EXPRESSHOST
AS198150	SIACOM JSC SIACOM-AS
AS198249	Ops One AG OPSONE
AS198385	AlpineDC SA AlpineDC
AS199524	G-Core Labs S.A. GCORE
AS199938	Netzwerge GmbH NETZWERGE
AS201790	Respawnhost
AS203728	BAHU LTD AS_BAHU
AS204653	Blendbyte GmbH BLENDBYTE-AS
AS205112	PHILUNET GmbH PHILUNET
AS207048	froxlor GmbH froxlor
AS207252	Realtox-Media
AS209823	Enki Multimedia EURL ENKI-AS
AS210937	Showfom
AS212024	Risson RISSON
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS213151	Christian Elsen CHRISELSEN
AS213241	TECHIT.BE SRL TECHIT
AS214138	Julian Kempf trading as Host-Zentrum host-zentrum
AS264479	Turbozone Internet AS264479

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 73/100

partly	Prefixes covered by valid ROAs 105 of 112 announced prefixes are RPKI valid, 6 have no ROA.	23/25
fail	No RPKI invalid announcements 1 announced prefix is RPKI invalid and dropped by networks that validate.	0/10
pass	Announces IPv6 16 IPv6 prefixes.	15/15
pass	More than one upstream 8 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@living-bots.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 2020-10-07.	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/44486"><img src="https://ip-fd.net/badge/asn/44486/health.svg" alt="AS44486 network health on IP-FD.net"></a>

Markdown

[![AS44486 network health](https://ip-fd.net/badge/asn/44486/health.svg)](https://ip-fd.net/asn/44486)

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

Routing changes

Last 30 days

2026-10-04 15:01 UTC	Neighbour gone	AS205103	upstream
2026-10-04 15:01 UTC	Neighbour gone	AS52320	peer
2026-10-04 15:01 UTC	Neighbour gone	AS31027	peer
2026-10-04 15:01 UTC	Neighbour gone	AS13237	upstream
2026-10-04 15:01 UTC	Neighbour gone	AS9505	upstream
2026-10-04 15:01 UTC	Neighbour gone	AS4601	upstream
2026-10-04 15:01 UTC	Neighbour gone	AS4455	upstream
2026-10-04 15:01 UTC	New neighbour	AS8888	peer
2026-10-04 15:01 UTC	Relationship changed	AS8218	upstream to peer
2026-10-04 15:01 UTC	New neighbour	AS264479	peer
2026-10-04 15:01 UTC	Relationship changed	AS9498	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS9002	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS8966	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS8758	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS7195	upstream to peer
2026-10-04 15:01 UTC	New neighbour	AS6797	peer
2026-10-04 15:01 UTC	Relationship changed	AS6695	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS6663	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 15:01 UTC	New neighbour	AS6057	peer
2026-10-04 15:01 UTC	Relationship changed	AS60171	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS5405	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS50629	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS49434	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS48362	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS47147	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS44066	upstream to peer
2026-10-04 15:01 UTC	New neighbour	AS4230	peer
2026-10-04 15:01 UTC	Relationship changed	AS39351	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS39249	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS37468	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS35625	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS34927	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS34549	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS34019	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS29691	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS29632	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS28716	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS286	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS24961	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS24889	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS22381	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS212024	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS20764	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS20562	upstream to peer
2026-10-04 15:01 UTC	New neighbour	AS20326	peer
2026-10-04 15:01 UTC	Relationship changed	AS1836	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS1764	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS15943	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS14840	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS137409	upstream to peer
2026-10-04 15:01 UTC	Relationship changed	AS12577	upstream to peer
2026-10-04 15:01 UTC	New prefix	94.249.174.0/24
2026-10-04 15:01 UTC	New prefix	89.106.76.0/24
2026-10-04 15:01 UTC	New prefix	2a0c:b641:660::/44
2026-10-04 15:01 UTC	New prefix	45.131.184.0/24

WHOIS

aut-num:        AS44486
as-name:        SYNLINQ
descr:          synlinq.de
org:            ORG-OH31-RIPE
admin-c:        SNOC25-RIPE
tech-c:         SNOC25-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-synlinq
created:        2019-04-25T10:10:55Z
last-modified:  2020-10-07T16:08:13Z
source:         RIPE
% 6 routing policy lines (import/export) not shown

Routing data

Updated 9 h ago

Registry record

Fetched 9 h ago 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/44486

const res = await fetch('https://ip-fd.net/api/v1/asn/44486', {
  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/44486', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/44486');
curl_setopt($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/44486", 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.

AS174
AS1299	Arelion Sweden AB TWELVE99
AS2914	NTT America, Inc. NTT-DATA-2914
AS3257	GTT Communications Inc. GTT-BACKBONE
AS6453	TATA COMMUNICATIONS (AMERICA) INC AS6453
AS6939	Hurricane Electric LLC HURRICANE
AS33891	Core-Backbone GmbH CORE-BACKBONE
AS60068	Datacamp Limited CDN77

AS931	Hyonix HYONIX
AS63025	NOHAVPS LLC NOHAVPS-LLC
AS197574	ExpressHost Ltd EXPRESSHOST
AS201790	Respawnhost
AS201988	VPSPay Networks LTD VPSPay-ASN
AS203728	BAHU LTD AS_BAHU
AS204653	Blendbyte GmbH BLENDBYTE-AS
AS204726	A Teknoloji Yatirim ve Gelistirme Limited Sirketi ATeknoloji
AS207048	froxlor GmbH froxlor
AS207252	Realtox-Media
AS214138	Julian Kempf trading as Host-Zentrum host-zentrum
AS214716	WEYRO LTD WEYRO
AS216106	JustFiberNet GmbH JUSTFIBERNET
AS395201	Allnodes Inc ALLNODES