Autonomous System details

AS16371

acens AS · acens.com

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AS16371 – acens AS

Field	Value
Country	Spain
Website	acens.com
Hosted domains	217,950
IPv4 addresses	89,344
IPv6 addresses	79,228,162,514,264,337,593,543,950,336
ASN type	Hosting
Registry	ripe
Allocated	23 years ago on Aug 22, 2002
Updated	8 months ago on May 21, 2025

Netblock	Company	Num of IPs
82.194.64.0/19	acens Technologies, S.L.	8,192
86.109.96.0/19	acens Technologies, S.L.	8,192
176.28.96.0/19	acens Technologies, S.L.	8,192
77.240.112.0/20	acens Technologies, S.L.	4,096
81.46.192.0/20	ACENS TECHNOLOGIES S.L.	4,096
81.46.224.0/20	ACENS TECHNOLOGIES S.L.	4,096
82.194.64.0/20	acens Technologies, S.L.	4,096
82.194.80.0/20	acens Technologies, S.L.	4,096
86.109.96.0/20	acens Technologies, S.L.	4,096
86.109.112.0/20	acens Technologies, S.L.	4,096
89.17.192.0/20	acens Technologies, S.L.	4,096
89.17.208.0/20	acens Technologies, S.L.	4,096
93.90.16.0/20	acens Technologies, S.L.	4,096
176.28.96.0/20	acens Technologies, S.L.	4,096
176.28.112.0/20	acens Technologies, S.L.	4,096
213.149.224.0/20	acens Technologies, S.L.	4,096
213.149.240.0/20	acens Technologies, S.L.	4,096
217.116.0.0/20	acens Technologies, S.L.	4,096
217.116.16.0/20	acens Technologies, S.L.	4,096
77.240.112.0/21	acens Technologies, S.L.	2,048
77.240.120.0/21	acens Technologies, S.L.	2,048
79.139.120.0/21	acens Technologies, S.L.	2,048
81.46.192.0/21	ACENS TECHNOLOGIES S.L.	2,048
81.46.200.0/21	ACENS TECHNOLOGIES S.L.	2,048
81.46.208.0/21	ACENS TECHNOLOGIES S.L.	2,048
81.46.216.0/21	ACENS TECHNOLOGIES S.L.	2,048
81.46.224.0/21	ACENS TECHNOLOGIES S.L.	2,048
81.46.232.0/21	ACENS TECHNOLOGIES S.L.	2,048
81.46.240.0/21	ACENS TECHNOLOGIES S.L.	2,048
87.238.88.0/21	acens Technologies, S.L.	2,048
89.17.192.0/21	EMPRESACLOUD-3	2,048
89.17.200.0/21	Veloxia Network	2,048
89.17.208.0/21	acens Technologies, S.L.	2,048
89.17.216.0/21	acens Technologies, S.L.	2,048
93.90.16.0/21	acens Technologies, S.L.	2,048
93.90.24.0/21	acens Technologies, S.L.	2,048
109.70.32.0/21	acens Technologies, S.L.	2,048
213.149.224.0/21	Veloxia Network	2,048
213.149.232.0/21	acens Technologies, S.L.	2,048
213.149.240.0/21	acens Technologies, S.L.	2,048
213.149.248.0/21	acens Technologies, S.L.	2,048
217.116.0.0/21	acens Technologies, S.L.	2,048
217.116.8.0/21	217.116.11.0 - 217.116.11.255	2,048
217.116.16.0/21	acens Technologies, S.L.	2,048
217.116.24.0/21	acens Technologies, S.L.	2,048
45.6.48.0/22	acens Technologies, S.L.	1,024
79.139.120.0/22	acens Technologies, S.L.	1,024
79.139.124.0/22	acens Technologies, S.L.	1,024
81.46.208.0/22	ACENS-TELEFONICA	1,024
81.46.212.0/22	ACENS-VCL-TP-3	1,024
81.46.216.0/22	ACENS TECHNOLOGIES S.L.	1,024
81.46.220.0/22	ACENS TECHNOLOGIES S.L.	1,024
81.46.240.0/22	VCLOUD15-NSX	1,024
81.46.244.0/22	ACENS TECHNOLOGIES S.L.	1,024
85.187.56.0/22	acens Technologies, S.L.	1,024
86.109.124.0/22	acens Technologies, S.L.	1,024
87.238.88.0/22	acens Technologies, S.L.	1,024
87.238.92.0/22	acens Technologies, S.L.	1,024
93.90.28.0/22	acens Technologies, S.L.	1,024
109.70.32.0/22	acens Technologies, S.L.	1,024
109.70.36.0/22	acens Technologies, S.L.	1,024
185.2.68.0/22	acens Technologies, S.L.	1,024
185.10.248.0/22	acens Technologies, S.L.	1,024
185.78.24.0/22	acens Technologies, S.L.	1,024
185.83.132.0/22	acens Technologies, S.L.	1,024
185.106.44.0/22	acens Technologies, S.L.	1,024
185.118.56.0/22	BLACKSLOT S.L.	1,024
195.55.104.0/22	ACENS TECHNOLOGIES S.L.	1,024
45.6.48.0/23	acens Technologies, S.L.	512
45.6.50.0/23	acens Technologies, S.L.	512
77.240.124.0/23	acens Technologies BCN	512
85.187.56.0/23	acens Technologies, S.L.	512
85.187.58.0/23	acens Technologies, S.L.	512
86.109.124.0/23	MARFINASL 1	512
86.109.126.0/23	BESERVICES2	512
89.37.224.0/23	acens Technologies, S.L.	512
93.90.28.0/23	Oter informatica Network	512
93.90.30.0/23	Admitelsa Network-1	512
176.28.126.0/23	BESERVICES1	512
185.2.70.0/23	ECLOUD-4	512
185.13.60.0/23	VOZITEL SL	512
185.78.24.0/23	acens Technologies, S.L.	512
185.78.26.0/23	acens Technologies, S.L.	512
185.118.56.0/23	BLACKSLOT S.L.	512
185.118.58.0/23	BLACKSLOT S.L.	512
194.116.184.0/23	acens Technologies, S.L.	512
195.55.104.0/23	ACENS TECHNOLOGIES S.L.	512
195.55.106.0/23	ACENS TECHNOLOGIES S.L.	512
77.240.124.0/24	Choice Network	256
77.240.125.0/24	acens Technologies BCN	256
77.240.126.0/24	FW-COLO-BCN-IV	256
81.46.215.0/24	PCONTROL-2	256
82.194.64.0/24	Hostalia-Main1	256
86.109.97.0/24	BESERVICES	256
86.109.99.0/24	FDEDI-7P2	256
86.109.102.0/24	ACUMBAMAIL	256
89.37.224.0/24	acens Technologies, S.L.	256
89.37.225.0/24	acens Technologies, S.L.	256
109.70.32.0/24	FSZN-5	256
176.28.97.0/24	Serv. cli. Vcloud	256
176.28.103.0/24	POAPRODUCCION-9	256
176.28.119.0/24	ACENS-POA9	256
176.28.126.0/24	BESERVICES1	256
185.2.68.0/24	acens Technologies, S.L.	256
185.2.69.0/24	VALORCLOUD 1	256
185.25.112.0/24	IT ENCORE TECNOLOGIA SL	256
185.226.225.0/24	ALLFUNDS DIGITAL SL	256
193.3.48.0/24	Admitelsa S.L	256
194.116.184.0/24	acens Technologies, S.L.	256
194.116.185.0/24	acens Technologies, S.L.	256
217.116.0.0/24	acens technologies	256
217.116.2.0/24	acens technologies	256
217.116.15.0/24	acens Technologies	256
217.116.18.0/24	MONEYBACK-4	256
217.116.27.0/24	VocentoNetwork-3	256
217.116.28.0/24	acens Technologies, S.L.	256

Netblock	Company
2a02:3b8::/32	acens Technologies, S.L.

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WHOIS Details

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                                                ASHandle:       AS16371
                                                OrgID:          AS16371
                                                ASName:         AS16371
                                                ASNumber:       AS16371
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 217,950 domain names hosted across 3,422 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
217.116.0.191	██████████	53,494
79.139.120.25	██████	45,203
217.116.5.231	██████████	19,617
217.116.0.144	██████████	8,965
217.116.0.182	██████	8,501
82.194.64.60	██████████	7,600
82.194.64.5	██████████	6,490
79.139.120.18	███████	2,202
86.109.99.243	██████	2,077
82.194.68.87	██████████	1,205

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Peers

There are 10 peers for this ASN.

Peers	Name
AS13030	Init7 (Switzerland) Ltd.
AS29680	Gamma Operadora de Comunicaciones S.A.
AS3303	Swisscom (Switzerland) Ltd
AS3352	TELEFONICA DE ESPANA S.A.U.
AS41705	Grupo Baladig SL
AS49544	i3D.net B.V
AS6424	EDGOO NETWORKS
AS6453	TATA COMMUNICATIONS (AMERICA) INC
AS8220	COLT Technology Services Group Limited
AS8426	ClaraNET LTD

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ASN API & Database

Upstreams

There are 3 upstreams for this ASN.

upstreams	Name
AS3352	TELEFONICA DE ESPANA S.A.U.
AS6453	TATA COMMUNICATIONS (AMERICA) INC
AS8220	COLT Technology Services Group Limited

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Downstreams

There is 1 peer for this ASN.

Downstreams	Name
AS41705	Grupo Baladig SL

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ASN API & Database

Pingable IPs

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

IP Address	ASN	Details
82.194.67.1	AS16371 acens AS	`0.76ms` from Madrid, ES
81.46.225.143	AS16371 acens AS	`0.92ms` from Madrid, ES
89.17.202.1	AS16371 acens AS	`0.79ms` from Madrid, ES
176.28.122.209	AS16371 acens AS	`0.81ms` from Madrid, ES
213.149.234.1	AS16371 acens AS	`0.76ms` from Madrid, ES
89.17.212.97	AS16371 acens AS	`0.87ms` from Madrid, ES
213.149.226.1	AS16371 acens AS	`1.33ms` from Madrid, ES
81.46.201.193	AS16371 acens AS	`0.70ms` from Madrid, ES
82.194.86.1	AS16371 acens AS	`0.81ms` from Madrid, ES
86.109.101.97	AS16371 acens AS	`0.71ms` from Madrid, ES
185.2.69.65	AS16371 acens AS	`1.20ms` from Madrid, ES
213.149.248.1	AS16371 acens AS	`0.86ms` from Madrid, ES
217.116.23.49	AS16371 acens AS	`0.78ms` from Madrid, ES
89.17.199.65	AS16371 acens AS	`0.80ms` from Madrid, ES
89.17.205.193	AS16371 acens AS	`0.77ms` from Madrid, ES
81.46.246.44	AS16371 acens AS	`0.92ms` from Madrid, ES
185.13.60.20	AS16371 acens AS	`0.83ms` from Madrid, ES
81.46.227.215	AS16371 acens AS	`0.98ms` from Madrid, ES
89.17.221.1	AS16371 acens AS	`0.80ms` from Madrid, ES
81.46.211.193	AS16371 acens AS	`0.79ms` from Madrid, ES
81.46.234.69	AS16371 acens AS	`1.53ms` from Madrid, ES
85.187.58.65	AS16371 acens AS	`0.67ms` from Madrid, ES
89.37.225.253	AS16371 acens AS	`0.98ms` from Madrid, ES
213.149.225.3	AS16371 acens AS	`1.39ms` from Madrid, ES
86.109.109.97	AS16371 acens AS	`1.28ms` from Madrid, ES

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
76.7.75.3	AS5778 CenturyLink Communications, LLC	`10.00ms` from Ashburn, US
141.152.29.19	AS701 Verizon Business	`4.34ms` from Ashburn, US
150.125.7.179	AS668 United States Department of Defense (DoD)	`0.58ms` from Atlanta, US
149.88.211.3	AS55201 SkyQuantum Internet Service	`0.29ms` from Fremont, US
106.52.53.35	AS45090 Shenzhen Tencent Computer Systems Company Limited	`2.12ms` from Guangzhou, CN
87.100.175.179	AS16086 DNA Oyj	`2.13ms` from Helsinki, FI
110.14.19.243	AS9318 SK Broadband Co Ltd	`1.78ms` from Incheon, KR
107.175.21.83	AS36352 HostPapa	`0.41ms` from Los Angeles, US
97.188.100.51	AS6167 Verizon Business	`14.31ms` from Los Angeles, US
80.44.177.195	AS13285 TalkTalk Communications Limited	`3.88ms` from Manchester, GB
146.255.160.195	AS34758 Axera SpA	`3.71ms` from Milan, IT
202.170.186.3	AS17698 COMMUNITY NETWORK CENTER INCORPORATED.	`5.05ms` from Osaka, JP
174.114.233.35	AS812 Rogers Communications Canada Inc.	`6.48ms` from Ottawa, CA
151.53.130.67	AS1267 WIND TRE S.P.A.	`5.78ms` from Rome, IT
12.180.51.243	AS7018 AT&T Enterprises, LLC	`6.16ms` from Seattle, US
141.223.173.99	AS3784 Pohang University of Science and Technology	`6.13ms` from Seoul, KR
54.192.14.211	AS16509 Amazon.com, Inc.	`0.24ms` from Sepang, MY
143.189.149.35	AS2527 Sony Network Communications Inc.	`2.53ms` from Tokyo, JP
60.28.32.211	AS4837 CHINA UNICOM China169 Backbone	`5.26ms` from Beijing, CN
93.214.80.99	AS3320 Deutsche Telekom AG	`4.25ms` from Berlin, DE
54.187.201.19	AS16509 Amazon.com, Inc.	`0.14ms` from Boardman, US
65.211.36.19	AS701 Verizon Business	`5.54ms` from Boston, US
113.204.84.115	AS4837 CHINA UNICOM China169 Backbone	`1.07ms` from Chongqing, CN
207.188.124.147	AS7029 Windstream Communications LLC	`0.42ms` from Dallas, US
20.67.199.195	AS8075 Microsoft Corporation	`0.14ms` from Dublin, IE

Traceroute

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

traceroute -a -n -q1 -m7 81.46.228.252

traceroute to 81.46.228.252 (81.46.228.252): 7 hops max, 52 byte packets

1 [AS15169] 108.170.228.187 19.661 ms

2 [AS15169] 192.178.110.86 19.811 ms

3 *

4 [AS16371] 217.116.14.198 31.848 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Brussels, BE

On January 9th 2026

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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 AS16371 at robtex.

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