Autonomous System details

AS51191

Core-Backbone GmbH  ·  core-backbone.com

Germany

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AS51191 – Core-Backbone GmbH

Field Value
Country Germany
Website core-backbone.com
Hosted domains 147,479
IPv4 addresses 7,168
IPv6 addresses 634,119,069,088,281,054,895,600,000,000
ASN type Hosting
Registry ripe
Allocated 15 years ago on Feb 07, 2011
Updated 10 months ago on Jun 25, 2025

IP Ranges

Netblock Company Num of IPs
130.185.104.0/21 Core-Backbone GmbH 2,048
195.138.240.0/21 Core-Backbone GmbH 2,048
185.24.68.0/22 Core-Backbone GmbH 1,024
185.108.216.0/22 Core-Backbone GmbH 1,024
91.232.96.0/23 Core-Backbone GmbH 512
185.169.24.0/24 Sh S.p.a. 256
185.169.25.0/24 Sh S.p.a. 256
195.138.244.0/24 Core-Backbone GmbH 256
Netblock Company
2a06:4b00::/29 Core-Backbone GmbH
2a01:4a0:2000::/48 Core-Backbone GmbH
2a01:4a0:2001::/48 Core-Backbone GmbH
2a01:4a0:2002::/48 Core-Backbone GmbH
2a06:4b01:3309::/48 Core-Backbone GmbH
2a06:4b01:330a::/48 Core-Backbone GmbH
2a06:4b01:330c::/48 Core-Backbone GmbH
2a06:4b01:330d::/48 Core-Backbone GmbH
2a06:4b01:330e::/48 Core-Backbone GmbH
2a06:4b01:3310::/48 Core-Backbone GmbH
2a06:4b01:3311::/48 Core-Backbone GmbH
2a06:4b01:3312::/48 Core-Backbone GmbH
2a06:4b01:3313::/48 Core-Backbone GmbH
2a06:4b01:3314::/48 Core-Backbone GmbH
2a06:4b01:3315::/48 Core-Backbone GmbH
2a06:4b01:3316::/48 Core-Backbone GmbH
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2a06:4b01:3319::/48 Core-Backbone GmbH
2a06:4b01:331a::/48 Core-Backbone GmbH
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2a06:4b01:3547::/48 Core-Backbone GmbH
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2a06:4b01:3555::/48 Core-Backbone GmbH
2a06:4b01:3556::/48 Core-Backbone GmbH
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2a06:4b01:3564::/48 Core-Backbone GmbH
2a06:4b01:3565::/48 Core-Backbone GmbH
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2a06:4b01:356a::/48 Core-Backbone GmbH
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2a06:4b01:356d::/48 Core-Backbone GmbH
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2a06:4b01:3570::/48 Core-Backbone GmbH
2a06:4b01:3571::/48 Core-Backbone GmbH
2a06:4b01:3572::/48 Core-Backbone GmbH
2a06:4b01:3573::/48 Core-Backbone GmbH
2a06:4b01:3574::/48 Core-Backbone GmbH
2a06:4b01:3575::/48 Core-Backbone GmbH
2a06:4b01:3576::/48 Core-Backbone GmbH
2a06:4b01:3577::/48 Core-Backbone GmbH
2a06:4b01:3578::/48 Core-Backbone GmbH
2a06:4b01:3579::/48 Core-Backbone GmbH
2a06:4b01:357a::/48 Core-Backbone GmbH

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WHOIS Details

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                                                ASHandle:       AS51191
                                                OrgID:          AS51191
                                                ASName:         AS51191
                                                ASNumber:       AS51191
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 147,479 domain names hosted across 249 IP addresses on this ASN.

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IP Address Domain Domains on this IP
130.185.109.77 ██████████ 93,959
185.24.68.9 ██████████ 4,305
130.185.109.78 ██████████ 2,668
130.185.109.2 ██████████ 86
195.138.245.250 ██████████ 66
185.24.68.234 ██████████ 47
130.185.109.43 ██████████ 46
130.185.108.81 ██████████ 23
185.169.25.22 ██████████ 22
130.185.104.82 ██████████ 15

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Peers

There are 4 peers for this ASN.

Peers Name
AS199524 G-Core Labs S.A.
AS20473 The Constant Company, LLC
AS33891 Core-Backbone GmbH
AS60068 Datacamp Limited
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ASN API & Database

Upstreams

There are 4 upstreams for this ASN.

upstreams Name
AS199524 G-Core Labs S.A.
AS20473 The Constant Company, LLC
AS33891 Core-Backbone GmbH
AS60068 Datacamp Limited
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ASN API & Database

Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

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

IP Address ASN Details
2a06:4b01:335e::1 AS51191 Core-Backbone GmbH 0.35ms from Amsterdam, NL
2a06:4b01:3321::1 AS51191 Core-Backbone GmbH 0.33ms from Amsterdam, NL
2a06:4b01:3515::1 AS51191 Core-Backbone GmbH 7.83ms from Amsterdam, NL
2a06:4b01:33e0::1 AS51191 Core-Backbone GmbH 0.33ms from Amsterdam, NL
2a06:4b01:3363::1 AS51191 Core-Backbone GmbH 0.34ms from Amsterdam, NL
2a06:4b01:333f::1 AS51191 Core-Backbone GmbH 0.35ms from Amsterdam, NL
2a06:4b01:332a::1 AS51191 Core-Backbone GmbH 0.29ms from Amsterdam, NL
2a06:4b01:3367::1 AS51191 Core-Backbone GmbH 0.30ms from Amsterdam, NL
2a06:4b01:356b::1 AS51191 Core-Backbone GmbH 0.98ms from London, GB
2a06:4b01:351e::1 AS51191 Core-Backbone GmbH 1.01ms from London, GB
2a06:4b01:352b::1 AS51191 Core-Backbone GmbH 0.35ms from London, GB
2a06:4b01:3547::1 AS51191 Core-Backbone GmbH 1.19ms from London, GB
2a06:4b01:3521::1 AS51191 Core-Backbone GmbH 0.88ms from London, GB
2a06:4b01:3536::1 AS51191 Core-Backbone GmbH 0.30ms from London, GB
2a06:4b01:343b::1 AS51191 Core-Backbone GmbH 0.33ms from Sydney, AU
2a06:4b01:3322::1 AS51191 Core-Backbone GmbH 0.29ms from Amsterdam, NL
2a06:4b01:336d::1 AS51191 Core-Backbone GmbH 0.34ms from Amsterdam, NL
2a06:4b01:3527::1 AS51191 Core-Backbone GmbH 0.24ms from London, GB
2a06:4b01:3553::1 AS51191 Core-Backbone GmbH 1.07ms from London, GB
2a06:4b01:356f::1 AS51191 Core-Backbone GmbH 0.99ms from London, GB
185.169.25.132 AS51191 Core-Backbone GmbH 0.41ms from Nuernberg, DE
2a01:4a0:2002:4:8a5b:e85f:b650:6d49 AS51191 Core-Backbone GmbH 0.44ms from Nuernberg, DE
2a06:4b01:3337::1 AS51191 Core-Backbone GmbH 0.35ms from Amsterdam, NL
2a06:4b01:333e::1 AS51191 Core-Backbone GmbH 0.34ms from Amsterdam, NL
2a06:4b01:336f::1 AS51191 Core-Backbone GmbH 0.33ms from Amsterdam, NL

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
68.147.26.55 AS6327 Shaw Communications 4.80ms from Calgary, CA
117.215.143.71 AS9829 National Internet Backbone 8.80ms from Chennai, IN
3.131.134.23 AS16509 Amazon.com, Inc. 0.17ms from Columbus, US
20.216.4.71 AS8075 Microsoft Corporation 0.38ms from Dubai, AE
60.216.204.231 AS4837 CHINA UNICOM China169 Backbone 3.25ms from Jinan, CN
46.208.225.167 AS6871 Plusnet 7.58ms from London, GB
104.222.241.39 AS22552 eSited Solutions 0.12ms from Los Angeles, US
177.170.11.23 AS26599 TELEFÔNICA BRASIL S.A 8.76ms from Novo Hamburgo, BR
73.179.91.183 AS7922 Comcast Cable Communications, LLC 8.85ms from Pompano Beach, US
139.129.171.247 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 0.43ms from Qingdao, CN
27.212.127.215 AS4837 CHINA UNICOM China169 Backbone 5.70ms from Qingdao, CN
187.139.8.247 AS8151 UNINET 6.30ms from Santiago de Queretaro, MX
5.102.236.23 AS47956 XFone 018 Ltd 0.83ms from Tel Aviv, IL
73.214.233.71 AS7922 Comcast Cable Communications, LLC 15.45ms from Ashburn, US
108.72.247.39 AS7018 AT&T Enterprises, LLC 3.44ms from Atlanta, US
179.95.14.23 AS18881 TELEFÔNICA BRASIL S.A 4.03ms from Brasilia, BR
202.53.39.167 AS7545 TPG Telecom Limited 1.80ms from Brisbane, AU
40.116.79.151 AS8075 Microsoft Corporation 0.47ms from Chicago, US
27.13.251.135 AS4837 CHINA UNICOM China169 Backbone 3.54ms from Chongqing, CN
75.245.248.183 AS6167 Verizon Business 18.68ms from Dallas, US
204.220.160.247 AS200069 MAILJET SAS 7.35ms from Frankfurt am Main, DE
218.9.32.87 AS4837 CHINA UNICOM China169 Backbone 7.05ms from Harbin, CN
81.187.240.23 AS20712 Andrews & Arnold Ltd 3.80ms from London, GB
37.213.19.167 AS6697 Republican Unitary Telecommunication Enterprise Beltelecom 4.88ms from Minsk, BY
58.210.78.135 AS4134 CHINANET BACKBONE 5.27ms from Nanjing, CN

Traceroute

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

$
traceroute -a -n -q1 195.138.243.113
traceroute to 195.138.243.113 (195.138.243.113): 64 hops max, 52 byte packets
2 *
3 [AS201011] 81.95.15.161 100.169 ms
4 [AS51191] 195.138.243.113 101.646 ms
Measurement taken from IPinfo ProbeNet in Moncks Corner, US
On

Related Networks

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 AS51191 at robtex.

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