Autonomous System details

AS51840

CSL Data Centre Services Limited · csl.com.mt

Malta

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AS51840 – CSL Data Centre Services Limited

Field	Value
Country	Malta
Website	csl.com.mt
Hosted domains	22
IPv4 addresses	5,376
IPv6 addresses	79,228,162,514,264,338,000,000,000,000
ASN type	ISP
Registry	ripe
Allocated	15 years ago on Nov 15, 2010
Updated	8 years ago on Sep 04, 2018

Netblock	Company	Num of IPs
185.27.56.0/22	CSL Data Centre Services Limited	1,024
185.64.56.0/22	CSL Data Centre Services Limited	1,024
185.177.48.0/22	CSL Data Centre Services Limited	1,024
185.218.148.0/22	CSL Data Centre Services Limited	1,024
185.176.198.0/23	CSL Data Centre Services Limited	512
91.220.139.0/24	CSL Data Centre Services Limited	256
185.27.56.0/24	CSL Client	256
185.27.57.0/24	CSL Data Centre Services Limited	256
185.27.58.0/24	CSL Data Centre Services Limited	256
185.27.59.0/24	CSL Data Centre Services Limited	256
185.64.56.0/24	CSL Data Centre Services Limited	256
185.64.57.0/24	CSL Data Centre Services Limited	256
185.64.58.0/24	CSL Data Centre Services Limited	256
185.64.59.0/24	CSL Data Centre Services Limited	256
185.176.196.0/24	CSL Data Centre Services Limited	256
185.176.197.0/24	CSL Data Centre Services Limited	256
185.176.198.0/24	CSL Data Centre Services Limited	256
185.176.199.0/24	CSL Data Centre Services Limited	256
185.177.48.0/24	CSL Data Centre Services Limited	256
185.177.49.0/24	CSL Data Centre Services Limited	256
185.177.50.0/24	CSL Data Centre Services Limited	256
185.177.51.0/24	CSL Data Centre Services Limited	256
185.218.148.0/24	CSL Data Centre Services Limited	256
185.218.150.0/24	CSL Data Centre Services Limited	256
185.218.151.0/24	CSL Data Centre Services Limited	256

Netblock	Company
2a00:8de7::/32	CSL Data Centre Services Limited

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WHOIS Details

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                                                ASHandle:       AS51840
                                                OrgID:          AS51840
                                                ASName:         AS51840
                                                ASNumber:       AS51840
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 22 domain names hosted across 13 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
185.27.57.140	██████████	7
185.64.58.11	█████████	2
185.64.56.154	██████████	2
185.27.56.68	██████████	2
185.27.56.109	██████████	1
185.27.58.42	██████████	1
91.220.139.58	██████████	1
185.64.57.140	██████████	1
185.64.56.101	██████████	1
185.177.48.36	██████████	1

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Peers

There are 4 peers for this ASN.

Peers	Name
AS12709	Melita Limited
AS13335	Cloudflare, Inc.
AS15735	GO p.l.c.
AS33874	Epic Communications Limited

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ASN API & Database

Upstreams

There are 4 upstreams for this ASN.

upstreams	Name
AS12709	Melita Limited
AS13335	Cloudflare, Inc.
AS15735	GO p.l.c.
AS33874	Epic Communications Limited

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Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

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

IP Address	ASN	Details
185.64.59.40	AS51840 CSL Data Centre Services Limited	`0.48ms` from Qormi, MT
185.64.58.250	AS51840 CSL Data Centre Services Limited	`16.59ms` from Marseille, FR
185.27.56.47	AS51840 CSL Data Centre Services Limited	`16.90ms` from Marseille, FR
185.177.50.1	AS51840 CSL Data Centre Services Limited	`0.48ms` from Qormi, MT
185.27.59.1	AS51840 CSL Data Centre Services Limited	`20.66ms` from Milan, IT
185.177.48.133	AS51840 CSL Data Centre Services Limited	`0.43ms` from Qormi, MT
185.64.56.16	AS51840 CSL Data Centre Services Limited	`16.69ms` from Marseille, FR
185.64.57.251	AS51840 CSL Data Centre Services Limited	`20.90ms` from Milan, IT
185.27.58.254	AS51840 CSL Data Centre Services Limited	`22.98ms` from Milan, IT
185.27.57.2	AS51840 CSL Data Centre Services Limited	`20.93ms` from Milan, IT
185.176.198.2	AS51840 CSL Data Centre Services Limited	`0.48ms` from Qormi, MT
185.177.49.33	AS51840 CSL Data Centre Services Limited	`0.50ms` from Qormi, MT
185.176.197.131	AS51840 CSL Data Centre Services Limited	`28.59ms` from Milan, IT
91.220.139.6	AS51840 CSL Data Centre Services Limited	`20.59ms` from Milan, IT
185.177.51.8	AS51840 CSL Data Centre Services Limited	`0.37ms` from Qormi, MT

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
4.245.182.64	AS8075 Microsoft Corporation	`0.21ms` from Dublin, IE
164.92.230.224	AS14061 DigitalOcean, LLC	`0.28ms` from Frankfurt am Main, DE
115.161.159.0	AS38103 SK Broadband Co Ltd	`1.29ms` from Incheon, KR
39.56.79.176	AS17557 Pakistan Telecommunication Company Limited	`6.63ms` from Islamabad, PK
87.244.90.224	AS8681 JT (Jersey) Limited	`0.73ms` from Saint Helier, JE
64.64.22.80	AS7203 Leaseweb USA, Inc.	`0.09ms` from San Jose, US
125.134.31.80	AS4766 Korea Telecom	`6.67ms` from Seoul, KR
173.238.140.64	AS7992 Cogeco Connexion Inc.	`7.89ms` from Toronto, CA
178.191.234.112	AS8447 A1 Telekom Austria AG	`1.48ms` from Vienna, AT
181.68.153.128	AS27831 Colombia Móvil	`1.64ms` from Bogotá, CO
98.217.13.32	AS7922 Comcast Cable Communications, LLC	`15.05ms` from Boston, US
71.81.121.112	AS20115 Charter Communications LLC	`19.90ms` from Charlotte, US
99.49.63.64	AS7018 AT&T Enterprises, LLC	`13.27ms` from Chicago, US
195.200.146.144	AS8613 Wavenet Limited	`6.58ms` from Edinburgh, GB
112.250.37.176	AS4837 CHINA UNICOM China169 Backbone	`5.21ms` from Qingdao, CN
45.154.213.48	AS50131 Spartan Host Ltd	`0.34ms` from Seattle, US
20.17.52.96	AS8075 Microsoft Corporation	`1.72ms` from Singapore, SG
79.125.194.112	AS6821 Makedonski Telekom AD-Skopje	`1.52ms` from Skopje, MK
52.12.235.16	AS16509 Amazon.com, Inc.	`0.11ms` from Boardman, US
222.160.133.80	AS4837 CHINA UNICOM China169 Backbone	`5.74ms` from Changchun, CN
217.14.189.80	AS43915 TrueSpeed Communications Limited	`4.25ms` from London, GB
172.187.138.128	AS8075 Microsoft Corporation	`1.10ms` from London, GB
142.196.86.96	AS33363 Charter Communications, Inc	`8.06ms` from Orlando, US
20.172.98.240	AS8075 Microsoft Corporation	`0.22ms` from Phoenix, US
18.210.232.0	AS14618 Amazon.com, Inc.	`0.41ms` from Reston, 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 185.218.148.229

traceroute to 185.218.148.229 (185.218.148.229): 8 hops max, 52 byte packets

2 [AS174] 149.6.9.124 3.884 ms

3 [AS174] 130.117.1.150 4.148 ms

4 *

5 [AS174] 154.54.74.146 4.193 ms

6 *

7 *

8 *

Measurement taken from

IPinfo ProbeNet in London, GB

On April 24th 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 AS51840 at robtex.

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