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 144,793
IPv4 addresses 7,168
IPv6 addresses 633,942,565,918,617,319,778,298,101,760
ASN type Hosting
Registry ripe
Allocated 15 years ago on Feb 07, 2011
Updated 6 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 Shellrent S.p.A. 256
185.169.25.0/24 Shellrent 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
2a06:4b01:3300::/48 Core-Backbone GmbH
2a06:4b01:3301::/48 Core-Backbone GmbH
2a06:4b01:3302::/48 Core-Backbone GmbH
2a06:4b01:3303::/48 Core-Backbone GmbH
2a06:4b01:3304::/48 Core-Backbone GmbH
2a06:4b01:3305::/48 Core-Backbone GmbH
2a06:4b01:3306::/48 Core-Backbone GmbH
2a06:4b01:3307::/48 Core-Backbone GmbH
2a06:4b01:3308::/48 Core-Backbone GmbH
2a06:4b01:3309::/48 Core-Backbone GmbH
2a06:4b01:330a::/48 Core-Backbone GmbH
2a06:4b01:330b::/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
2a06:4b01:330f::/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
2a06:4b01:331c::/48 Core-Backbone GmbH
2a06:4b01:331d::/48 Core-Backbone GmbH
2a06:4b01:331e::/48 Core-Backbone GmbH
2a06:4b01:331f::/48 Core-Backbone GmbH
2a06:4b01:3320::/48 Core-Backbone GmbH
2a06:4b01:3321::/48 Core-Backbone GmbH
2a06:4b01:3322::/48 Core-Backbone GmbH
2a06:4b01:3323::/48 Core-Backbone GmbH
2a06:4b01:3324::/48 Core-Backbone GmbH
2a06:4b01:3325::/48 Core-Backbone GmbH
2a06:4b01:3326::/48 Core-Backbone GmbH
2a06:4b01:3327::/48 Core-Backbone GmbH
2a06:4b01:3328::/48 Core-Backbone GmbH
2a06:4b01:3329::/48 Core-Backbone GmbH
2a06:4b01:332a::/48 Core-Backbone GmbH
2a06:4b01:332b::/48 Core-Backbone GmbH
2a06:4b01:332c::/48 Core-Backbone GmbH
2a06:4b01:332e::/48 Core-Backbone GmbH
2a06:4b01:332f::/48 Core-Backbone GmbH
2a06:4b01:3330::/48 Core-Backbone GmbH
2a06:4b01:3400::/48 Core-Backbone GmbH
2a06:4b01:3404::/48 Core-Backbone GmbH
2a06:4b01:340c::/48 Core-Backbone GmbH
2a06:4b01:3500::/48 Core-Backbone GmbH
2a06:4b01:3501::/48 Core-Backbone GmbH
2a06:4b01:3502::/48 Core-Backbone GmbH
2a06:4b01:3503::/48 Core-Backbone GmbH
2a06:4b01:3504::/48 Core-Backbone GmbH
2a06:4b01:3505::/48 Core-Backbone GmbH
2a06:4b01:3506::/48 Core-Backbone GmbH
2a06:4b01:3507::/48 Core-Backbone GmbH
2a06:4b01:3508::/48 Core-Backbone GmbH
2a06:4b01:350b::/48 Core-Backbone GmbH
2a06:4b01:350c::/48 Core-Backbone GmbH
2a06:4b01:350d::/48 Core-Backbone GmbH
2a06:4b01:350e::/48 Core-Backbone GmbH
2a06:4b01:3510::/48 Core-Backbone GmbH
2a06:4b01:3511::/48 Core-Backbone GmbH
2a06:4b01:3512::/48 Core-Backbone GmbH
2a06:4b01:3513::/48 Core-Backbone GmbH
2a06:4b01:3514::/48 Core-Backbone GmbH
2a06:4b01:3515::/48 Core-Backbone GmbH
2a06:4b01:3518::/48 Core-Backbone GmbH
2a06:4b01:3519::/48 Core-Backbone GmbH
2a06:4b01:351a::/48 Core-Backbone GmbH
2a06:4b01:351b::/48 Core-Backbone GmbH
2a06:4b01:351c::/48 Core-Backbone GmbH
2a06:4b01:351d::/48 Core-Backbone GmbH
2a06:4b01:351e::/48 Core-Backbone GmbH
2a06:4b01:351f::/48 Core-Backbone GmbH
2a06:4b01:3520::/48 Core-Backbone GmbH
2a06:4b01:3521::/48 Core-Backbone GmbH
2a06:4b01:3522::/48 Core-Backbone GmbH
2a06:4b01:3523::/48 Core-Backbone GmbH
2a06:4b01:3524::/48 Core-Backbone GmbH
2a06:4b01:3525::/48 Core-Backbone GmbH
2a06:4b01:3526::/48 Core-Backbone GmbH
2a06:4b01:3527::/48 Core-Backbone GmbH
2a06:4b01:3528::/48 Core-Backbone GmbH
2a06:4b01:3529::/48 Core-Backbone GmbH
2a06:4b01:352a::/48 Core-Backbone GmbH
2a06:4b01:352b::/48 Core-Backbone GmbH
2a06:4b01:352c::/48 Core-Backbone GmbH
2a06:4b01:352d::/48 Core-Backbone GmbH
2a06:4b01:352e::/48 Core-Backbone GmbH
2a06:4b01:352f::/48 Core-Backbone GmbH
2a06:4b01:3530::/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 144,793 domain names hosted across 255 IP addresses on this ASN.

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IP Address Domain Domains on this IP
130.185.109.77 ██████████ 129,983
130.185.109.78 ██████████ 9,575
185.24.68.9 █████████ 4,362
130.185.109.2 ██████████ 103
195.138.245.250 ██████████ 83
185.24.68.234 ██████████ 53
130.185.109.43 ██████████ 51
130.185.104.82 ██████████ 37
130.185.108.81 ██████████ 24
185.169.25.22 ██████████ 23

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Hosted Domains API & Database

Peers

There are 6 peers for this ASN.

Peers Name
AS199524 G-Core Labs S.A.
AS20473 The Constant Company, LLC
AS33891 Core-Backbone GmbH
AS56662 Marcin Gondek
AS60068 Datacamp Limited
AS8529 Zain Omantel International FZ-LLC
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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
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.
ASN API & Database

Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

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

IP Address ASN Details
2a06:4b01:3308::1 AS51191 Core-Backbone GmbH 0.28ms from Amsterdam, NL
2a06:4b01:332b::1 AS51191 Core-Backbone GmbH 0.33ms from Amsterdam, NL
2a06:4b01:3313::1 AS51191 Core-Backbone GmbH 0.33ms from Amsterdam, NL
2a06:4b01:332c::1 AS51191 Core-Backbone GmbH 0.36ms from Amsterdam, NL
2a06:4b01:351b::1 AS51191 Core-Backbone GmbH 1.01ms from London, GB
2a06:4b01:3519::1 AS51191 Core-Backbone GmbH 0.78ms from London, GB
2a06:4b01:3512::1 AS51191 Core-Backbone GmbH 0.19ms from London, GB
2a06:4b01:350c::1 AS51191 Core-Backbone GmbH 0.19ms from London, GB
195.138.242.3 AS51191 Core-Backbone GmbH 0.54ms from Nuernberg, DE
2a06:4b01:3315::1 AS51191 Core-Backbone GmbH 0.33ms from Amsterdam, NL
195.138.244.1 AS51191 Core-Backbone GmbH 3.45ms from Duesseldorf, DE
2a06:4b01:352f::1 AS51191 Core-Backbone GmbH 0.22ms from London, GB
2a01:4a0:2001:2749::1 AS51191 Core-Backbone GmbH 1.55ms from Nuernberg, DE
2a06:4b01:332a::1 AS51191 Core-Backbone GmbH 0.34ms from Amsterdam, NL
2a06:4b01:3316::1 AS51191 Core-Backbone GmbH 0.34ms from Amsterdam, NL
2a06:4b01:3318::1 AS51191 Core-Backbone GmbH 0.33ms from Amsterdam, NL
130.185.111.5 AS51191 Core-Backbone GmbH 0.74ms from Nuernberg, DE
2a06:4b01:3319::1 AS51191 Core-Backbone GmbH 0.30ms from Amsterdam, NL
2a06:4b01:331d::1 AS51191 Core-Backbone GmbH 0.38ms from Amsterdam, NL
2a06:4b01:3510::1 AS51191 Core-Backbone GmbH 0.18ms from London, GB
2a06:4b01:3506::1 AS51191 Core-Backbone GmbH 0.98ms from London, GB
195.138.246.1 AS51191 Core-Backbone GmbH 1.31ms from Nuernberg, DE
130.185.108.70 AS51191 Core-Backbone GmbH 0.45ms from Nuernberg, DE
2a06:4b01:332f::1 AS51191 Core-Backbone GmbH 0.34ms from Amsterdam, NL
2a06:4b01:3330::1 AS51191 Core-Backbone GmbH 0.34ms 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
162.242.205.7 AS27357 Rackspace Hosting 0.36ms from Ashburn, US
181.94.135.151 AS7303 Telecom Argentina S.A. 1.65ms from Buenos Aires, AR
3.124.90.39 AS16509 Amazon.com, Inc. 0.21ms from Frankfurt am Main, DE
91.157.177.71 AS719 Elisa Oyj 3.25ms from Helsinki, FI
38.173.114.71 AS398823 PEG TECH INC 0.32ms from Los Angeles, US
78.198.8.167 AS12322 Free SAS 10.55ms from Paris, FR
31.39.162.119 AS5410 Bouygues Telecom SA 2.71ms from Paris, FR
58.148.52.23 AS17858 LG POWERCOMM 5.33ms from Seoul, KR
60.70.119.247 AS17676 SoftBank Corp. 3.06ms from Tokyo, JP
16.56.22.87 AS16509 Amazon.com, Inc. 0.56ms from Atlanta, US
54.190.194.23 AS16509 Amazon.com, Inc. 0.15ms from Boardman, US
101.186.88.151 AS1221 Telstra Limited 3.97ms from Brisbane, AU
222.178.93.23 AS4134 CHINANET-BACKBONE 1.33ms from Chongqing, CN
151.83.47.55 AS1267 WIND TRE S.P.A. 7.70ms from Milan, IT
24.104.204.39 AS12271 Charter Communications Inc 4.61ms from Newark, US
186.176.135.119 AS262197 MILLICOM CABLE COSTA RICA S.A. 8.72ms from San Jose, CR
67.169.8.87 AS7922 Comcast Cable Communications, LLC 6.29ms from San Jose, US
114.32.200.215 AS3462 Data Communication Business Group 1.35ms from Taipei, TW
135.236.2.23 AS8075 Microsoft Corporation 0.20ms from Amsterdam, NL
52.167.161.231 AS8075 Microsoft Corporation 0.26ms from Boydton, US
91.249.179.247 AS9145 EWE TEL GmbH 2.95ms from Hamburg, DE
178.163.134.71 AS42772 Unitary enterprise A1 14.43ms from Minsk, BY
91.9.135.151 AS3320 Deutsche Telekom AG 4.38ms from Nuernberg, DE
218.223.131.39 AS55900 GLBB Japan KK 0.69ms from Osaka, JP
88.183.246.119 AS12322 Free SAS 7.63ms from Paris, FR

Traceroute

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

$
traceroute -a -n -q1 -f3 91.232.97.19
traceroute to 91.232.97.19 (91.232.97.19): 64 hops max, 52 byte packets
3 [AS3356] 212.113.8.42 119.267 ms
4 [AS201011] 80.255.14.81 133.566 ms
5 [AS201011] 81.95.15.130 134.621 ms
6 [AS51191] 91.232.97.19 133.933 ms
Measurement taken from IPinfo ProbeNet in Billings, 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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