Autonomous System details

AS16371

acens AS · acens.com

Spain

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AS16371 – acens AS

Field	Value
Country	Spain
Website	acens.com
Hosted domains	218,477
IPv4 addresses	89,344
IPv6 addresses	79,228,162,514,264,338,000,000,000,000
ASN type	Hosting
Registry	ripe
Allocated	24 years ago on Aug 22, 2002
Updated	a year 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 218,477 domain names hosted across 3,420 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
217.116.0.191	██████████	47,566
79.139.120.25	██████████	26,755
217.116.5.231	██████████	18,182
217.116.0.144	██████████	7,520
217.116.0.182	██████	7,436
82.194.64.60	███████	6,280
82.194.64.5	██████████	5,131
86.109.99.243	██████	1,510
79.139.120.18	██████████	1,164
82.194.68.87	█████████	655

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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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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

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

IP Address	ASN	Details
81.46.195.49	AS16371 acens AS	`0.72ms` from Madrid, ES
77.240.124.156	AS16371 acens AS	`8.04ms` from Madrid, ES
45.6.48.253	AS16371 acens AS	`0.94ms` from Madrid, ES
86.109.115.240	AS16371 acens AS	`0.89ms` from Madrid, ES
79.139.124.253	AS16371 acens AS	`0.88ms` from Madrid, ES
185.226.225.249	AS16371 acens AS	`0.91ms` from Madrid, ES
213.149.245.134	AS16371 acens AS	`1.25ms` from Madrid, ES
82.194.80.69	AS16371 acens AS	`1.31ms` from Madrid, ES
81.46.225.143	AS16371 acens AS	`1.00ms` from Madrid, ES
185.2.69.159	AS16371 acens AS	`1.09ms` from Madrid, ES
217.116.1.228	AS16371 acens AS	`0.65ms` from Madrid, ES
86.109.116.145	AS16371 acens AS	`0.79ms` from Madrid, ES
82.194.88.26	AS16371 acens AS	`1.29ms` from Madrid, ES
213.149.250.57	AS16371 acens AS	`0.78ms` from Madrid, ES
185.118.57.1	AS16371 acens AS	`1.02ms` from Madrid, ES
77.240.114.33	AS16371 acens AS	`0.76ms` from Madrid, ES
89.17.209.5	AS16371 acens AS	`0.89ms` from Madrid, ES
81.46.196.36	AS16371 acens AS	`0.67ms` from Madrid, ES
109.70.34.94	AS16371 acens AS	`0.69ms` from Madrid, ES
86.109.97.161	AS16371 acens AS	`8.35ms` from Madrid, ES
77.240.121.4	AS16371 acens AS	`0.76ms` from Madrid, ES
93.90.26.72	AS16371 acens AS	`1.43ms` from Madrid, ES
176.28.105.17	AS16371 acens AS	`0.79ms` from Madrid, ES
217.116.12.1	AS16371 acens AS	`1.41ms` from Madrid, ES
81.46.221.9	AS16371 acens AS	`0.81ms` 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
65.211.36.19	AS701 Verizon Business	`7.54ms` from Boston, US
96.237.162.131	AS701 Verizon Business	`1.23ms` from Boston, US
102.40.230.19	AS8452 TE-AS	`7.86ms` from Cairo, EG
36.137.227.51	AS9808 China Mobile Communications Group Co., Ltd.	`2.81ms` from Guangzhou, CN
180.225.46.115	AS17858 LG POWERCOMM	`1.74ms` from Incheon, KR
58.238.40.35	AS9318 SK Broadband Co Ltd	`1.37ms` from Incheon, KR
72.252.163.19	AS23520 Columbus Networks USA, Inc.	`10.29ms` from Kingston, JM
2.235.238.51	AS12874 Fastweb SpA	`3.65ms` from Milan, IT
159.195.76.51	AS197540 netcup GmbH	`0.66ms` from Nuernberg, DE
72.189.197.83	AS33363 Charter Communications, Inc	`5.05ms` from Orlando, US
20.100.228.83	AS8075 Microsoft Corporation	`0.56ms` from Oslo, NO
14.32.71.19	AS4766 Korea Telecom	`1.23ms` from Seoul, KR
211.77.224.179	AS9674 Far EastTone Telecommunication Co., Ltd.	`0.84ms` from Taipei, TW
154.243.194.195	AS36947 Telecom Algeria	`10.28ms` from Algiers, DZ
50.111.121.99	AS5650 Frontier Communications of America, Inc.	`17.49ms` from Ashburn, US
89.136.161.35	AS12302 Vodafone Romania S.A.	`7.17ms` from Bucharest, RO
173.187.128.3	AS7029 Windstream Communications LLC	`10.10ms` from Dallas, US
94.31.64.67	AS60294 Deutsche Glasfaser Wholesale GmbH	`0.30ms` from Frankfurt am Main, DE
88.97.173.83	AS215000 Country Connect Ltd.	`2.47ms` from London, GB
213.97.48.83	AS3352 TELEFONICA DE ESPANA S.A.U.	`8.63ms` from Madrid, ES
147.75.79.195	AS54825 Packet Host, Inc.	`0.21ms` from New York City, US
37.143.30.51	AS24739 SEVEREN TELECOM	`1.22ms` from Saint Petersburg, RU
108.87.99.67	AS7018 AT&T Enterprises, LLC	`3.75ms` from San Antonio, US
59.11.233.83	AS4766 Korea Telecom	`2.10ms` from Seoul, KR
20.18.126.147	AS8075 Microsoft Corporation	`0.17ms` from Tokyo, JP

Traceroute

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

traceroute -a -n -q1 -f4 176.28.119.203

traceroute to 176.28.119.203 (176.28.119.203): 64 hops max, 52 byte packets

4 [AS395954] 172.255.243.1 8.291 ms

5 *

6 [AS1299] 62.115.124.72 12.318 ms

7 [AS12956] 94.142.107.214 13.276 ms

8 *

9 [AS12956] 213.140.43.111 27.409 ms

10 *

11 *

12 *

13 [AS16371] 217.116.31.154 26.908 ms

14 *

15 [AS16371] 176.28.119.203 30.384 ms

Measurement taken from

IPinfo ProbeNet in Bologna, IT

On April 13th 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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