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
2a06:4b01:3318::/48 Core-Backbone GmbH
2a06:4b01:3319::/48 Core-Backbone GmbH
2a06:4b01:331a::/48 Core-Backbone GmbH
2a06:4b01:331b::/48 Core-Backbone GmbH
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2a06:4b01:331e::/48 Core-Backbone GmbH
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2a06:4b01:3564::/48 Core-Backbone GmbH
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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
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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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Hosted Domains API & Database

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

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

IP Address ASN Details
2a06:4b01:3327::1 AS51191 Core-Backbone GmbH 0.35ms from Amsterdam, NL
2a06:4b01:3370::1 AS51191 Core-Backbone GmbH 0.34ms from Amsterdam, NL
2a06:4b01:3570::1 AS51191 Core-Backbone GmbH 1.24ms from London, GB
2a06:4b01:3560::1 AS51191 Core-Backbone GmbH 1.19ms from London, GB
2a06:4b01:3573::1 AS51191 Core-Backbone GmbH 1.09ms from London, GB
2a06:4b01:355e::1 AS51191 Core-Backbone GmbH 1.07ms from London, GB
2a06:4b01:354c::1 AS51191 Core-Backbone GmbH 1.17ms from London, GB
2a06:4b01:3338::1 AS51191 Core-Backbone GmbH 0.34ms from Amsterdam, NL
2a06:4b01:33c0::1 AS51191 Core-Backbone GmbH 0.38ms from Amsterdam, NL
2a06:4b01:335f::1 AS51191 Core-Backbone GmbH 0.36ms from Amsterdam, NL
2a06:4b01:332f::1 AS51191 Core-Backbone GmbH 0.33ms from Amsterdam, NL
2a06:4b01:335e::1 AS51191 Core-Backbone GmbH 0.34ms from Amsterdam, NL
195.138.244.1 AS51191 Core-Backbone GmbH 3.94ms from Duesseldorf, DE
2a06:4b01:356b::1 AS51191 Core-Backbone GmbH 1.19ms from London, GB
2a06:4b01:3529::1 AS51191 Core-Backbone GmbH 0.32ms from London, GB
2a06:4b01:3535::1 AS51191 Core-Backbone GmbH 0.26ms from London, GB
2a06:4b01:354d::1 AS51191 Core-Backbone GmbH 1.13ms from London, GB
2a06:4b01:3568::1 AS51191 Core-Backbone GmbH 1.10ms from London, GB
91.232.97.23 AS51191 Core-Backbone GmbH 0.44ms from Nuernberg, DE
2a06:4b01:331f::1 AS51191 Core-Backbone GmbH 0.28ms from Amsterdam, NL
2a06:4b01:3333::1 AS51191 Core-Backbone GmbH 0.35ms from Amsterdam, NL
2a06:4b01:3309::1 AS51191 Core-Backbone GmbH 0.33ms from Amsterdam, NL
2a06:4b01:3320::1 AS51191 Core-Backbone GmbH 0.35ms from Amsterdam, NL
2a06:4b01:333f::1 AS51191 Core-Backbone GmbH 0.36ms from Amsterdam, NL
2a06:4b01:3400::1 AS51191 Core-Backbone GmbH 0.32ms from Frankfurt am Main, DE

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
3.133.12.183 AS16509 Amazon.com, Inc. 0.65ms from Columbus, US
104.198.252.87 AS396982 Google LLC 0.12ms from Council Bluffs, US
210.6.49.71 AS9269 Hong Kong Broadband Network Ltd. 1.14ms from Hong Kong, HK
124.54.146.87 AS17858 LG POWERCOMM 1.90ms from Incheon, KR
180.254.219.103 AS7713 PT Telekomunikasi Indonesia 16.89ms from Jakarta, ID
77.246.170.183 AS20860 IOMART CLOUD SERVICES LIMITED 1.03ms from London, GB
60.142.242.167 AS17676 SoftBank Corp. 3.61ms from Osaka, JP
128.28.48.247 AS2514 NTT PC Communications, Inc. 2.55ms from Osaka, JP
193.156.58.39 AS224 SIKT - KUNNSKAPSSEKTORENS TJENESTELEVERANDOR 1.66ms from Oslo, NO
221.168.142.55 AS4766 Korea Telecom 1.51ms from Seoul, KR
175.163.179.199 AS4837 CHINA UNICOM China169 Backbone 10.43ms from Tieling, CN
79.115.134.183 AS8708 DIGI ROMANIA S.A. 3.71ms from Timisoara, RO
124.87.135.215 AS4713 NTT DOCOMO BUSINESS,Inc. 2.75ms from Tokyo, JP
20.160.4.87 AS8075 Microsoft Corporation 0.26ms from Amsterdam, NL
189.50.197.135 AS268188 ATIVA TELECOM LTDA 2.69ms from Belo Horizonte, BR
107.11.71.7 AS10796 Charter Communications Inc 6.72ms from Columbus, US
23.113.233.7 AS7018 AT&T Enterprises, LLC 7.14ms from Columbus, US
113.45.182.71 AS55990 Huawei Cloud Service data center 2.06ms from Guangzhou, CN
16.26.124.55 AS16509 Amazon.com, Inc. 0.67ms from Melbourne, AU
75.201.106.119 AS6167 Verizon Business 12.28ms from Miami, US
74.64.50.103 AS12271 Charter Communications Inc 4.17ms from New York City, US
3.82.21.215 AS14618 Amazon.com, Inc. 0.50ms from Reston, US
57.128.122.39 AS16276 OVH SAS 0.09ms from Roubaix, FR
24.17.132.103 AS7922 Comcast Cable Communications, LLC 3.88ms from Seattle, US
68.82.181.215 AS7922 Comcast Cable Communications, LLC 8.54ms from Ashburn, US

Traceroute

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

$
traceroute -a -n -q1 -f3 130.185.110.5
traceroute to 130.185.110.5 (130.185.110.5): 64 hops max, 52 byte packets
3 [AS12540] 212.64.163.62 46.741 ms
4 *
5 *
6 [] 193.149.1.141 24.834 ms
7 [AS201011] 5.56.18.197 60.063 ms
8 [AS201011] 81.95.15.130 60.709 ms
9 [AS51191] 130.185.110.5 59.878 ms
Measurement taken from IPinfo ProbeNet in Las Palmas de Gran Canaria, ES
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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