Autonomous System details

AS6661

POST Luxembourg · post.lu

Luxembourg

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AS6661 – POST Luxembourg

Field	Value
Country	Luxembourg
Website	post.lu
Hosted domains	3,799
IPv4 addresses	220,160
IPv6 addresses	79,228,162,514,264,337,593,543,950,336
ASN type	ISP
Registry	ripe
Allocated	24 years ago on Jan 24, 2002
Updated	a month ago on Oct 30, 2025

Netblock	Company	Num of IPs
83.99.0.0/17	Entreprise des P&T	32,768
88.207.128.0/17	POST Luxembourg	32,768
107.183.0.0/17	POST Luxembourg	32,768
78.141.128.0/18	POST Luxembourg	16,384
87.240.192.0/18	POST Luxembourg	16,384
146.0.128.0/18	POST Luxembourg	16,384
178.254.64.0/18	POST Luxembourg	16,384
188.115.0.0/18	POST Luxembourg	16,384
194.154.192.0/19	POST Luxembourg	8,192
195.46.224.0/19	POST Luxembourg	8,192
213.135.224.0/19	POST Luxembourg	8,192
213.166.32.0/19	POST Luxembourg	8,192
37.157.152.0/21	POST Luxembourg	2,048
146.0.216.0/21	POST Luxembourg	2,048
146.0.212.0/22	POST Luxembourg	1,024
185.104.108.0/22	Centre de Traduction des organes de l Union Europeenne	1,024
193.168.10.0/23	NATO SUPPORT AND PROCUREMENT AGENCY	512
193.168.14.0/23	NATO SUPPORT AND PROCUREMENT AGENCY	512
194.154.217.0/24	Imprimerie Centrale	256

Netblock	Company
2001:7e8::/32	POST Luxembourg

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WHOIS Details

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                                                ASHandle:       AS6661
                                                OrgID:          AS6661
                                                ASName:         AS6661
                                                ASNumber:       AS6661
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 3,799 domain names hosted across 661 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
146.0.160.169	█████████	598
194.154.192.67	██████████	211
194.154.192.87	██████████	196
194.154.192.94	██████████	188
194.154.213.98	██████████	175
194.154.192.91	██████████	158
78.141.185.153	██████████	121
213.166.52.148	██████████	121
213.166.41.208	██████████	115
195.46.236.47	██████████	100

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Hosted Domains API & Database

Peers

There are 235 peers for this ASN.

Peers	Name
AS1103	SURF B.V.
AS11245	The Goodyear Tire & Rubber Company
AS1140	Stichting Internet Domeinregistratie Nederland
AS12552	GlobalConnect AB
AS12637	SEEWEB s.r.l.
AS1267	WIND TRE S.P.A.
AS12779	IT.Gate S.p.A.
AS12859	BIT BV
AS12969	Vodafone Iceland
AS13030	Init7 (Switzerland) Ltd.
AS13058	serve-u - Buchholz und Suenderhauf GbR
AS132337	Axclusive
AS13237	euNetworks GmbH
AS137409	GSL Networks Pty LTD
AS142271	EWS DS Networks Inc
AS14537	Continent 8 LLC
AS14630	Invesco Group Services, Inc.
AS14840	BR.Digital Telecom
AS14907	Wikimedia Foundation Inc.
AS15412	FLAG TELECOM UK LIMITED
AS15547	netplus.ch SA
AS15605	Connesi s.p.a.
AS15814	Clearstream Services S.A.
AS15958	CETINdoo-NET
AS16347	ADISTA SAS
AS16552	Tiggee LLC
AS17557	Pakistan Telecommunication Company Limited
AS17639	Converge ICT Solutions Inc.
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
AS18106	Viewqwest Pte Ltd
AS1828	Unitas Global
AS1836	green.ch AG
AS198095	POST Telecom S.A.
AS198150	SIACOM JSC
AS198249	Ops One AG
AS198290	Global IT Services PSF SA
AS198385	AlpineDC SA
AS199245	PricewaterhouseCoopers Societe cooperative
AS199524	G-Core Labs S.A.
AS199938	Netzwerge GmbH
AS200102	BE YS Cloud France SASU
AS200129	LHISP S.A.
AS200821	ARTE G.E.I.E.
AS201973	European Court of Justice
AS202438	Encevo S.A
AS2027	MilkyWan Association
AS203143	Banque et Caisse d'Epargne de l'Etat Luxembourg
AS204299	KPMG Audit S.a r.l.
AS204803	Societe Generale Luxembourg S.A.
AS20485	Joint Stock Company TransTeleCom
AS20501	BANQUE DE LUXEMBOURG SA
AS205112	PHILUNET GmbH
AS206356	Freifunk Essen e.V.
AS206610	Mixvoip S.A.
AS20764	CJSC RASCOM
AS208374	LU-CIX Management G.I.E.
AS208414	WEDOS Internet, a.s.
AS209305	Societe Nationale Des Chemins De Fer Luxembourgeois ET. D'UTIL. PUB
AS20932	Services Industriels de Geneve
AS209823	Enki Multimedia EURL
AS209847	WorkTitans B.V.
AS210145	Societe de la Bourse de Luxembourg S.A.
AS210937	Xiufeng Guo
AS211018	Administration Communale Luxemberg
AS211719	CA Indosuez Wealth (Europe) S.A.
AS21179	Logwin AG
AS2119	Telenor Norge AS
AS211999	LuxProvide S.A.
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD
AS212630	Societe de l'aeroport de Luxembourg SA
AS213151	Christian Elsen
AS21320	GEANT Vereniging
AS213241	TECHIT.BE SRL
AS213785	Banque Internationale a Luxembourg, societe anonyme
AS21412	UAB "Cgates"
AS214204	Zenvoo Sagl
AS22356	Durand do Brasil Ltda
AS24482	SG.GS
AS24611	Datacenter Luxembourg S.A.
AS24961	WIIT AG
AS2497	Internet Initiative Japan Inc.
AS25091	IP-Max SA
AS25094	Centre des technologies de l'information de l'Etat
AS25160	Vorboss Limited
AS25220	equada network GmbH
AS25369	Hydra Communications Ltd
AS2602	Fondation RESTENA
AS2613	Association Romandix
AS264409	GRUPO YAX
AS271253	LINK BRASIL TELECOMUNICACOES LTDA
AS28716	Retelit Digital Services S.p.A.
AS28792	Public Internet Ltd
AS28917	Fiord Networks, UAB
AS29049	Delta Telecom Ltd
AS29075	IELO Main Network
AS29140	Hostserver GmbH
AS29632	Netassist International EOOD
AS30844	Liquid Telecommunications Ltd
AS31027	GlobalConnect A/S
AS31122	Digiweb ltd

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ASN API & Database

Upstreams

There are 4 upstreams for this ASN.

upstreams	Name
AS208374	LU-CIX Management G.I.E.
AS5511	Orange S.A.
AS6461	Zayo Bandwidth
AS6939	Hurricane Electric LLC

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ASN API & Database

Downstreams

There are 40 downstreams for this ASN.

Downstreams	Name
AS11245	The Goodyear Tire & Rubber Company
AS15814	Clearstream Services S.A.
AS198095	POST Telecom S.A.
AS198290	Global IT Services PSF SA
AS199245	PricewaterhouseCoopers Societe cooperative
AS200102	BE YS Cloud France SASU
AS200129	LHISP S.A.
AS200821	ARTE G.E.I.E.
AS201973	European Court of Justice
AS202438	Encevo S.A
AS203143	Banque et Caisse d'Epargne de l'Etat Luxembourg
AS204299	KPMG Audit S.a r.l.
AS204803	Societe Generale Luxembourg S.A.
AS20501	BANQUE DE LUXEMBOURG SA
AS206610	Mixvoip S.A.
AS208414	WEDOS Internet, a.s.
AS209305	Societe Nationale Des Chemins De Fer Luxembourgeois ET. D'UTIL. PUB
AS209847	WorkTitans B.V.
AS210145	Societe de la Bourse de Luxembourg S.A.
AS211018	Administration Communale Luxemberg
AS211719	CA Indosuez Wealth (Europe) S.A.
AS21179	Logwin AG
AS211999	LuxProvide S.A.
AS212630	Societe de l'aeroport de Luxembourg SA
AS213785	Banque Internationale a Luxembourg, societe anonyme
AS214204	Zenvoo Sagl
AS24611	Datacenter Luxembourg S.A.
AS25094	Centre des technologies de l'information de l'Etat
AS2602	Fondation RESTENA
AS34683	TELKEA TELECOM SA
AS35044	UNIVERSAL INVESTMENT GMBH
AS43719	Kyndryl Luxembourg Sarl
AS44295	LAB Datavault AS Number
AS44708	PAUL WURTH S.A.
AS47137	CHAMP Cargosystems S.A.
AS47944	Chambre des Deputes Luxembourg
AS57205	Telkea Soft S.A.
AS60752	AOSSIA S.A.
AS8883	UBS AG
AS9008	Visual Online S.A.

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ASN API & Database

Pingable IPs

1,831 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
2001:7e8:80ba:100::1	AS6661 POST Luxembourg	`0.29ms` from Luxembourg, LU
2001:7e8:8334::1	AS6661 POST Luxembourg	`0.45ms` from Luxembourg, LU
2001:7e8:c6af:9300:7eff:4dff:fe1a:a2be	AS6661 POST Luxembourg	`14.97ms` from Luxembourg, LU
83.99.66.226	AS6661 POST Luxembourg	`1.19ms` from Luxembourg, LU
2001:7e8:fc37:e400:3631:c4ff:fecc:c1e6	AS6661 POST Luxembourg	`2.67ms` from Luxembourg, LU
2001:7e8:c65f:ed00:200:ff:fe00:0	AS6661 POST Luxembourg	`2.02ms` from Luxembourg, LU
2001:7e8:fc27:4300:3e37:12ff:fe5c:ae48	AS6661 POST Luxembourg	`2.09ms` from Luxembourg, LU
2001:7e8:ca05:9f00:eadf:70ff:fea4:57c4	AS6661 POST Luxembourg	`2.22ms` from Luxembourg, LU
2001:7e8:c4d0:ac00:3ea6:2fff:fe51:16c6	AS6661 POST Luxembourg	`1.93ms` from Luxembourg, LU
2001:7e8:f872:6c00:200:ff:fe00:0	AS6661 POST Luxembourg	`2.52ms` from Luxembourg, LU
194.154.198.197	AS6661 POST Luxembourg	`0.45ms` from Luxembourg, LU
2001:7e8:c4e1:1c00:9a9b:cbff:fe03:ca28	AS6661 POST Luxembourg	`4.09ms` from Luxembourg, LU
2001:7e8:8135:100::1	AS6661 POST Luxembourg	`0.29ms` from Luxembourg, LU
2001:7e8:80c1:100::1	AS6661 POST Luxembourg	`0.52ms` from Luxembourg, LU
2001:7e8:832c::1	AS6661 POST Luxembourg	`0.52ms` from Luxembourg, LU
83.99.100.1	AS6661 POST Luxembourg	`0.48ms` from Luxembourg, LU
83.99.46.79	AS6661 POST Luxembourg	`0.95ms` from Luxembourg, LU
2001:7e8:ca4b:df00:2e91:abff:fed1:5dcd	AS6661 POST Luxembourg	`1.80ms` from Luxembourg, LU
2001:7e8:c6b3:7000:200:ff:fe00:0	AS6661 POST Luxembourg	`3.41ms` from Luxembourg, LU
194.154.220.175	AS6661 POST Luxembourg	`13.40ms` from Luxembourg, LU
2001:7e8:832e::1	AS6661 POST Luxembourg	`0.29ms` from Luxembourg, LU
88.207.155.220	AS6661 POST Luxembourg	`1.15ms` from Luxembourg, LU
2001:7e8:c838:f000:200:ff:fe00:0	AS6661 POST Luxembourg	`2.00ms` from Luxembourg, LU
2001:7e8:832a::1	AS6661 POST Luxembourg	`0.28ms` from Luxembourg, LU
2001:7e8:838b:100::1	AS6661 POST Luxembourg	`0.56ms` from Luxembourg, LU

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
135.148.51.117	AS16276 OVH SAS	`1.33ms` from Ashburn, US
2.135.175.69	AS9198 JSC Kazakhtelecom	`18.29ms` from Astana, KZ
162.241.130.213	AS19871 Network Solutions, LLC	`0.86ms` from Atlanta, US
52.12.136.181	AS16509 Amazon.com, Inc.	`0.22ms` from Boardman, US
198.0.148.5	AS7922 Comcast Cable Communications, LLC	`6.44ms` from Boston, US
108.128.34.21	AS16509 Amazon.com, Inc.	`0.15ms` from Dublin, IE
52.236.58.85	AS8075 Microsoft Corporation	`0.20ms` from Dublin, IE
146.198.66.101	AS6871 Plusnet	`2.57ms` from London, GB
50.145.129.117	AS7922 Comcast Cable Communications, LLC	`3.08ms` from Miami, US
37.68.246.245	AS15557 Societe Francaise Du Radiotelephone - SFR SA	`11.59ms` from Paris, FR
50.243.80.133	AS7922 Comcast Cable Communications, LLC	`5.48ms` from Piscataway, US
140.180.234.37	AS88 Princeton University	`4.12ms` from Piscataway, US
152.145.223.21	AS18862 Omnicare, Inc.	`5.00ms` from Providence, US
223.112.68.53	AS56046 China Mobile communications corporation	`2.76ms` from Suzhou, CN
203.213.244.181	AS24033 Australian Private Networks Pty Ltd	`1.34ms` from Sydney, AU
116.130.234.21	AS4837 CHINA UNICOM China169 Backbone	`4.73ms` from Beijing, CN
34.43.247.37	AS396982 Google LLC	`0.07ms` from Delhi, IN
86.28.199.133	AS5089 Virgin Media Limited	`8.58ms` from London, GB
101.33.20.37	AS139341 ACE	`0.09ms` from Los Angeles, US
97.97.155.37	AS33363 Charter Communications, Inc	`7.49ms` from Los Angeles, US
83.40.63.165	AS3352 TELEFONICA DE ESPANA S.A.U.	`8.80ms` from Madrid, ES
80.76.229.21	AS39156 First Telecom Ltd	`0.74ms` from Moscow, RU
67.8.191.5	AS33363 Charter Communications, Inc	`3.10ms` from Orlando, US
54.198.198.181	AS14618 Amazon.com, Inc.	`0.19ms` from Reston, US
69.110.155.117	AS7018 AT&T Enterprises, LLC	`4.80ms` from San Jose, US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

traceroute -a -n -q1 -f2 -m8 107.183.93.143

traceroute to 107.183.93.143 (107.183.93.143): 8 hops max, 52 byte packets

2 [AS30058] 50.7.7.22 0.131 ms

3 *

4 *

5 [AS6661] 213.135.251.120 15.226 ms

6 *

7 *

8 *

Measurement taken from

IPinfo ProbeNet in Amsterdam, NL

On November 28th 2025

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What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS6661 at robtex.

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