AS204457 Atlantis Telekomunikasyon Bilisim Hizmetleri San. ve Tic. Ltd. Sti.

Türkiye ATLANTIS-CENTRAL RIPE 26 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

6,400

IPv6 /48 networks

RPKI

24 valid1 invalid1 no ROA

Peers and downstreams

112

Holder

AS name: ATLANTIS-CENTRAL
Description: Atlantis Telekomunikasyon Bilisim Hizmetleri San. ve Tic. Ltd. Sti.
Organisation: Atlantis Telekomunikasyon Bilisim Hizmetleri San. ve Tic. Ltd. Sti.
Registered in: Istanbul, Türkiye
Abuse contact: abuse@atlantisnet.com.tr
Assigned: 2018-03-06
Registered: 2018-03-07
Record last changed: 2026-09-19 07:39 UTC

AS553	Belwue BELWUE
AS559	SWITCH Switch
AS1140	Stichting Internet Domeinregistratie Nederland SIDN
AS1828	Unitas Global UNITAS
AS3170	VeloxServ Communications Ltd VELOXSERV
AS3212	Telemach Slovenija d.o.o. TELEMACH
AS4455	IX Reach Ltd BSO
AS6424	EDGOO NETWORKS UNIPESSOAL LDA EDGOO
AS6663	Euroweb Romania S.R.L. TTI-NET
AS6777	Amsterdam Internet Exchange B.V. AMS-IX-RS
AS8218	Zayo Infrastructure France SA NEO-ASN
AS8280	SYNAPSECOM S.A. Provider of Telecommunications and Internet Services SYNAPSECOM-AS
AS8298	IPng Networks GmbH IPNG
AS8447	A1 Telekom Austria AG A1TELEKOM-AT
AS8717	A1 Bulgaria EAD A1BG
AS8758	Iway AG IWAY
AS8888	xTom Pty Ltd XTOM
AS9121	TTNet
AS9198	JSC Kazakhtelecom KAZTELECOM-AS
AS12637	SEEWEB s.r.l. SEEWEB
AS12779	IT.Gate S.p.A. ITGATE
AS12859	BIT BV NL-BIT
AS13004	Serbian Open Exchange DOO SOX
AS13110	INEA sp. z o.o. INEA-AS
AS13237	euNetworks GmbH LAMBDANET-AS
AS14630	Invesco Group Services, Inc. INVESCO
AS14840	BR.Digital Telecom AS14840
AS15605	Connesi s.p.a. CONNESI
AS15935	ha-vel internet s.r.o. HA-VEL-LOCAL-AS
AS15958	CETIN Ltd. Belgrade CETIN_doo_AS
AS18106	Viewqwest Pte Ltd VIEWQWEST-SG-AP
AS20326	TeraSwitch Networks Inc. TERASWITCH
AS20764	CJSC RASCOM RASCOM-AS
AS20766	Association "Gitoyen" GITOYEN-MAIN-AS
AS20932	Services Industriels de Geneve SIG-ST
AS21412	UAB "Cgates" CGATES-AS
AS24482	SG.GS SGGS-AS-AP
AS25091	IP-Max SA IP-Max
AS25160	Vorboss Limited VORBOSS
AS25220	equada network GmbH GLOBALNOC-AS
AS28910	"Uzbektelekom" Joint Stock Company INTAL-ASN
AS28917	Fiord Networks, UAB Fiord-AS
AS29140	Hostserver GmbH HOSTSERVER-AS
AS29691	Nine Internet Solutions AG NINE
AS31510	Innsbrucker Kommunalbetriebe AG IKB-AS
AS33891	Core-Backbone GmbH CORE-BACKBONE
AS34177	Celeste SAS CELESTE-AS
AS34549	meerfarbig GmbH & Co. KG MEER-AS
AS34927	iFog GmbH iFog-GmbH
AS34984	Superonline Iletisim Hizmetleri A.S. TELLCOM-AS
AS35360	Gargunet GARGUNET
AS35369	LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation LINZAG-TELEKOM-AS
AS35598	INETCOM CARRIER LLC INETCOM
AS35710	weber.digital GmbH WEBERCLOUD
AS37497	Network Platforms (PTY) LTD
AS37721	Virtual Technologies & Solutions
AS39122	Blacknight Internet Solutions Limited BLACKNIGHT-AS
AS39351	31173 Services AB ESAB-AS
AS40994	Hohl IT e.U. Alwyzon
AS41327	Fiber Telecom S.p.A. FIBERTELECOM-AS
AS42295	TBISS Ltd TBISS-AS
AS42541	Fiberby ApS FIBERBY
AS44901	Belcloud LTD belcloud
AS47692	Nessus GmbH NESSUS
AS48185	team.blue NV team_blue
AS48362	Tkswf TKSWF-AS
AS48919	UACITY Ltd. UA-CITY-AS
AS49434	FBW NETWORKS SAS FBWNETWORKS
AS49544	i3D.net B.V i3Dnet
AS49673	Truenetwork LLC TRUENETWORK
AS50629	LWLcom GmbH LWLCOM
AS50673	Serverius Holding B.V. Serverius-as
AS50763	Robert McKay MCKAYCOM
AS51095	EdgeUno, Inc. E1-EMEA
AS51185	MainStreaming SpA MAINSTREAMING-AS
AS51873	Arcade Solutions AG AS-ARCADE
AS56655	Gigahost AS GIGAHOST
AS56911	Warian S.R.L. ASN-WARIAN
AS58057	Securebit AG SECUREBIT
AS58299	Openfactory GmbH OPENFACTORY-AS
AS60171	AFR-IX TELECOM S.A. AFRIX-AS
AS61049	Exascale Ltd EXASCALE
AS62000	SERVERD SAS AS62000
AS64475	Freifunk Frankfurt am Main e.V. FREIFUNK-FRANKFURT
AS137409	GSL Networks Pty LTD GSLNETWORKS-AS-AP
AS142271	EWS DS Networks Inc DOUBLESQUARE-AS-AP
AS198150	SIACOM JSC SIACOM-AS
AS198385	AlpineDC SA AlpineDC
AS199524	G-Core Labs S.A. GCORE
AS199938	Netzwerge GmbH NETZWERGE
AS200612	Gulf Bridge International Inc. GulfBridgeInternational
AS205112	PHILUNET GmbH PHILUNET
AS208972	GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI gibirnet-tr
AS210937	Showfom
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS213151	Christian Elsen CHRISELSEN
AS215628	Xenox IT & Kommunikations GmbH AS-XENOX-AT
AS215638	Cilix Limited AS-CILIX-LIMITED
AS264479	Turbozone Internet AS264479
AS271253	LINK BRASIL TELECOMUNICACOES LTDA AS271253

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 73/100

partly	Prefixes covered by valid ROAs 24 of 26 announced prefixes are RPKI valid, 1 have no ROA.	23/25
fail	No RPKI invalid announcements 1 announced prefix is RPKI invalid and dropped by networks that validate.	0/10
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@atlantisnet.com.tr 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 2026-09-19.	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/204457"><img src="https://ip-fd.net/badge/asn/204457/health.svg" alt="AS204457 network health on IP-FD.net"></a>

Markdown

[![AS204457 network health](https://ip-fd.net/badge/asn/204457/health.svg)](https://ip-fd.net/asn/204457)

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

Routing changes

Last 30 days

2026-10-04 12:54 UTC	Neighbour gone	AS209823	peer
2026-10-04 12:54 UTC	Neighbour gone	AS29049	downstream
2026-10-04 12:54 UTC	Neighbour gone	AS3214	peer
2026-10-04 12:54 UTC	New neighbour	AS8888	peer
2026-10-04 12:54 UTC	Relationship changed	AS44901	upstream to peer
2026-10-04 12:54 UTC	New neighbour	AS62425	downstream
2026-10-04 12:54 UTC	New neighbour	AS56325	downstream
2026-10-04 12:54 UTC	New neighbour	AS214608	downstream
2026-10-04 12:54 UTC	Relationship changed	AS9198	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS9121	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS8758	upstream to peer
2026-10-04 12:54 UTC	New neighbour	AS8717	peer
2026-10-04 12:54 UTC	New neighbour	AS8447	peer
2026-10-04 12:54 UTC	Relationship changed	AS8298	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS8280	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS8218	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS6777	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS6663	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS62000	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS61049	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS60171	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS56911	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS56655	upstream to peer
2026-10-04 12:54 UTC	New neighbour	AS51095	peer
2026-10-04 12:54 UTC	Relationship changed	AS50673	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS50629	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS49434	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS48362	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS47692	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS4455	upstream to peer
2026-10-04 12:54 UTC	New neighbour	AS42295	peer
2026-10-04 12:54 UTC	Relationship changed	AS41327	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS39351	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS37497	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS34984	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS34927	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS34549	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS34177	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS33891	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS25091	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS215638	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS20766	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS20326	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS15958	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS15935	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS14840	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS137409	upstream to peer
2026-10-04 12:54 UTC	Relationship changed	AS13110	upstream to peer
2026-10-04 12:54 UTC	New prefix	45.156.30.0/23
2026-10-04 12:54 UTC	New prefix	188.125.161.0/24
2026-10-04 12:54 UTC	New prefix	153.56.227.0/24
2026-10-04 12:54 UTC	New prefix	153.56.226.0/24

WHOIS

aut-num:        AS204457
as-name:        ATLANTIS-CENTRAL
org:            ORG-ATBH1-RIPE
remarks:        ************ Upstreams ************
remarks:        ************ Downstream ************
admin-c:        OZ620-RIPE
tech-c:         OZ620-RIPE
tech-c:         SD12478-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         tr-atlantis-1-mnt
created:        2018-03-07T16:32:53Z
last-modified:  2026-09-19T07:39:12Z
source:         RIPE
% 72 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/204457

const res = await fetch('https://ip-fd.net/api/v1/asn/204457', {
  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/204457', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/204457');
curl_setopt($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/204457", 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
AS9002	RETN Limited RETN-AS

AS43260	DGN TEKNOLOJI A.S. AS43260
AS49565	Pole Telekomunikasyon Sanayi ve Ticaret Anonim Sirketi POLE-TELEKOM
AS51722	PIXOOF TEKNOLOJI ANONIM SIRKETI AS-PIXOOF
AS56325	Markahost Telekomunikasyon Ve Ticaret Limited Sirketi PortDC-IST
AS62425	Mailbox Internet Hizmetleri Ltd. Sti. KuzeyDC
AS201178	Euronet Telekomunikasyon A.S. EURONET
AS202303	TRENDNET TELEKOMUNIKASYON BILISIM HIZMETLERI TICARET LIMITED SIRKETI ISP-TRENDNET-AS202303
AS204036	Ennova Telekom limited sirketi nova
AS205570	SIBANET TELEKOM LIMITED SIRKETI SIBANET
AS212193	VIVA INTERNET LIMITED SIRKETI vivanet
AS212549	KOYCEGIZ BILISIM HAB.TEK.SAN.TIC.LTD.STI. koycegiznet-tr
AS214608	Gazinet Internet Iletisim teknolojileri ltd. Sti. Gazinet