AS52112 Gentlent GmbH

Germany GENTLENT-AS RIPE 1 IPv4 prefix 3 IPv6 prefixes

IPv4 addresses

256

IPv6 /48 networks

RPKI

4 valid0 no ROA

Peers and downstreams

125

Holder

AS name: GENTLENT-AS
Description: Gentlent Anycast Network
Organisation: Gentlent GmbH
Registered in: Düsseldorf, Germany
Abuse contact: noc@gentlent.net
Assigned: 2021-06-24
Registered: 2021-06-25
Record last changed: 2025-10-09 09:57 UTC

91.207.13.0/24

AS553	Belwue BELWUE
AS559	SWITCH Switch
AS917	Misaka Network, Inc. MISAKA
AS1103	SURF B.V. SURFNET-NL
AS1140	Stichting Internet Domeinregistratie Nederland SIDN
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH NEXTLAYER-AS
AS1828	Unitas Global UNITAS
AS3212	Telemach Slovenija d.o.o. TELEMACH
AS3214	xTom GmbH XTOM
AS3333	Reseaux IP Europeens Network Coordination Centre (RIPE NCC) RIPE-NCC-AS
AS3399	Obenet AB OBE-NET
AS4230	CLARO S.A. AS4230
AS4455	IX Reach Ltd BSO
AS5405	Inter.link GmbH INTERDOTLINK
AS6057	Administracion Nacional de Telecomunicaciones AS6057
AS6424	EDGOO NETWORKS UNIPESSOAL LDA EDGOO
AS6663	Euroweb Romania S.R.L. TTI-NET
AS6797	GlobalConnect AB GLOBALCONNECT-NET
AS7195	EDGEUNO S.A.S AS7195
AS7713	PT Telekomunikasi Indonesia telkomnet-as-ap
AS8218	Zayo Infrastructure France SA NEO-ASN
AS8298	IPng Networks GmbH IPNG
AS8529	Zain Omantel International FZ-LLC OMANTEL-AS
AS8888	xTom Pty Ltd XTOM
AS9198	JSC Kazakhtelecom KAZTELECOM-AS
AS12577	MMC GmbH MMC-AT-AS
AS12779	IT.Gate S.p.A. ITGATE
AS12859	BIT BV NL-BIT
AS13004	Serbian Open Exchange DOO SOX
AS13237	euNetworks GmbH LAMBDANET-AS
AS14630	Invesco Group Services, Inc. INVESCO
AS14840	BR.Digital Telecom AS14840
AS14907	Wikimedia Foundation Inc. WIKIMEDIA
AS15547	netplus.ch SA NETPLUS
AS15958	CETIN Ltd. Belgrade CETIN_doo_AS
AS17639	Converge ICT Solutions Inc. CONVERGE-AS
AS20326	TeraSwitch Networks Inc. TERASWITCH
AS20932	Services Industriels de Geneve SIG-ST
AS24482	SG.GS SGGS-AS-AP
AS25091	IP-Max SA IP-Max
AS25160	Vorboss Limited VORBOSS
AS25220	equada network GmbH GLOBALNOC-AS
AS28792	Public Internet Ltd PUBLIC-INTERNET
AS28910	"Uzbektelekom" Joint Stock Company INTAL-ASN
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
AS31122	Digiweb ltd DIGIWEB-AS
AS31510	Innsbrucker Kommunalbetriebe AG IKB-AS
AS31742	Sota Solutions Ltd. SOTACONNECT
AS34019	Hivane Association HIVANE
AS34177	Celeste SAS CELESTE-AS
AS34288	Kantonsschule Zug AS34288
AS34800	Securebit AG SBAG
AS34872	Sarah Rossius trading as Servperso Systems Servperso_Systems
AS35266	EX Networks Limited EXN-AS
AS35280	F5 Networks SARL F5
AS35360	Gargunet GARGUNET
AS35598	INETCOM CARRIER LLC INETCOM
AS35625	Eurofiber France SAS EUROFIBER-FRANCE
AS35708	4b42 UG ASN-4IXP
AS36236	NetActuate, Inc NETACTUATE
AS37100	SEACOM Limited
AS37468	Angola Cables
AS37721	Virtual Technologies & Solutions
AS39122	Blacknight Internet Solutions Limited BLACKNIGHT-AS
AS39351	31173 Services AB ESAB-AS
AS41327	Fiber Telecom S.p.A. FIBERTELECOM-AS
AS41666	Institute for Pyrotechnical Cleaning (limited company) PYRO-AS
AS42541	Fiberby ApS FIBERBY
AS44901	Belcloud LTD belcloud
AS45489	Sri Lanka Telecom PLC, GLobal Peering SLT-GLOBAL
AS47147	Anexia Cloud Solutions GmbH AS-ANX
AS47692	Nessus GmbH NESSUS
AS48185	team.blue NV team_blue
AS48362	Tkswf TKSWF-AS
AS48646	SDRmedia Verwaltungs GmbH STEFAN6
AS48919	UACITY Ltd. UA-CITY-AS
AS49134	10VPN Research Network LTD AS_10VPN
AS49434	FBW NETWORKS SAS FBWNETWORKS
AS49544	i3D.net B.V i3Dnet
AS49673	Truenetwork LLC TRUENETWORK
AS50300	CustodianDC Limited CUSTDC
AS50304	Blix Solutions AS BLIX
AS50673	Serverius Holding B.V. Serverius-as
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
AS60171	AFR-IX TELECOM S.A. AFRIX-AS
AS61573	IP TELECOM AS61573
AS62167	Tismi BV Tismi
AS64475	Freifunk Frankfurt am Main e.V. FREIFUNK-FRANKFURT
AS142271	EWS DS Networks Inc DOUBLESQUARE-AS-AP
AS198249	Ops One AG OPSONE
AS199854	Itbypassion ITBYPASSION
AS199938	Netzwerge GmbH NETZWERGE
AS200612	Gulf Bridge International Inc. GulfBridgeInternational
AS202365	Omer GOLGELI Chronos
AS203472	PENG YUJEN POEMA-AS-EU
AS204092	Association GRIFON GRIFON
AS205103	Telegraph42 Management GmbH TELEGRAPH-AS
AS205112	PHILUNET GmbH PHILUNET
AS206356	Freifunk Essen e.V. Freifunk-Essen
AS206499	LOCIX LIMITED LOCIX
AS208972	GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI gibirnet-tr
AS209022	Tschajera Limited Tschajera-Limited
AS209090	Association Stolon STOLON
AS209823	Enki Multimedia EURL ENKI-AS
AS210937	Showfom
AS211509	Rudaki RUDAKI-AS
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS212635	Jurrian van Iersel AS212635
AS212895	Route64_Org ROUTE64_ORG
AS213151	Christian Elsen CHRISELSEN
AS213241	TECHIT.BE SRL TECHIT
AS264479	Turbozone Internet AS264479
AS271253	LINK BRASIL TELECOMUNICACOES LTDA AS271253
AS398447	OHANACRAFT, LLC OHANACRAFT
AS401753	BIXCE Inc BIXCE

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 90/100

pass	Prefixes covered by valid ROAs 4 of 4 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 3 IPv6 prefixes.	15/15
pass	More than one upstream 5 upstreams seen in BGP.	10/10
pass	Working abuse contact noc@gentlent.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
pass	Registry record maintained Last changed 2025-10-09.	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/52112"><img src="https://ip-fd.net/badge/asn/52112/health.svg" alt="AS52112 network health on IP-FD.net"></a>

Markdown

[![AS52112 network health](https://ip-fd.net/badge/asn/52112/health.svg)](https://ip-fd.net/asn/52112)

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

Routing changes

Last 30 days

2026-10-04 21:45 UTC	Neighbour gone	AS264409	upstream
2026-10-04 21:45 UTC	Neighbour gone	AS215628	peer
2026-10-04 21:45 UTC	Neighbour gone	AS52320	peer
2026-10-04 21:45 UTC	Neighbour gone	AS50869	upstream
2026-10-04 21:45 UTC	Neighbour gone	AS31027	peer
2026-10-04 21:45 UTC	Neighbour gone	AS7721	peer
2026-10-04 21:45 UTC	New neighbour	AS8888	peer
2026-10-04 21:45 UTC	New neighbour	AS50673	peer
2026-10-04 21:45 UTC	New neighbour	AS28917	peer
2026-10-04 21:45 UTC	New neighbour	AS271253	peer
2026-10-04 21:45 UTC	New neighbour	AS264479	peer
2026-10-04 21:45 UTC	New neighbour	AS203472	peer
2026-10-04 21:45 UTC	New neighbour	AS202365	peer
2026-10-04 21:45 UTC	New neighbour	AS142271	peer
2026-10-04 21:45 UTC	Relationship changed	AS9198	upstream to peer
2026-10-04 21:45 UTC	Relationship changed	AS7713	upstream to peer
2026-10-04 21:45 UTC	Relationship changed	AS7195	upstream to peer
2026-10-04 21:45 UTC	New neighbour	AS6797	peer
2026-10-04 21:45 UTC	Relationship changed	AS6663	upstream to peer
2026-10-04 21:45 UTC	New neighbour	AS6057	peer
2026-10-04 21:45 UTC	Relationship changed	AS60171	upstream to peer
2026-10-04 21:45 UTC	Relationship changed	AS58057	upstream to peer
2026-10-04 21:45 UTC	Relationship changed	AS48646	upstream to peer
2026-10-04 21:45 UTC	Relationship changed	AS48362	upstream to peer
2026-10-04 21:45 UTC	Relationship changed	AS4455	upstream to peer
2026-10-04 21:45 UTC	New neighbour	AS4230	peer
2026-10-04 21:45 UTC	Relationship changed	AS401753	upstream to peer
2026-10-04 21:45 UTC	New neighbour	AS398447	peer
2026-10-04 21:45 UTC	Relationship changed	AS39351	upstream to peer
2026-10-04 21:45 UTC	Relationship changed	AS37468	upstream to peer
2026-10-04 21:45 UTC	Relationship changed	AS37100	upstream to peer
2026-10-04 21:45 UTC	Relationship changed	AS35625	upstream to peer
2026-10-04 21:45 UTC	Relationship changed	AS35280	upstream to peer
2026-10-04 21:45 UTC	Relationship changed	AS34177	upstream to peer
2026-10-04 21:45 UTC	Relationship changed	AS34019	upstream to peer
2026-10-04 21:45 UTC	Relationship changed	AS29632	upstream to peer
2026-10-04 21:45 UTC	Relationship changed	AS212895	upstream to peer
2026-10-04 21:45 UTC	Relationship changed	AS211509	upstream to peer
2026-10-04 21:45 UTC	New neighbour	AS209090	peer
2026-10-04 21:45 UTC	Relationship changed	AS209022	upstream to peer
2026-10-04 21:45 UTC	Relationship changed	AS205103	upstream to peer
2026-10-04 21:45 UTC	Relationship changed	AS20326	upstream to peer
2026-10-04 21:45 UTC	Relationship changed	AS1764	upstream to peer
2026-10-04 21:45 UTC	Relationship changed	AS15958	upstream to peer
2026-10-04 21:45 UTC	New neighbour	AS12577	peer

WHOIS

aut-num:        AS52112
as-name:        GENTLENT-AS
descr:          Gentlent Anycast Network
org:            ORG-GG312-RIPE
admin-c:        GG20380-RIPE
tech-c:         GG20380-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         GENTLENT-MNT
created:        2021-06-25T15:47:00Z
last-modified:  2025-10-09T09:57:23Z
source:         RIPE
% 8 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/52112

const res = await fetch('https://ip-fd.net/api/v1/asn/52112', {
  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/52112', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/52112');
curl_setopt($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/52112", 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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