AS number 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 136,752
Number of IPv4 7,168
Number of IPv6 633,907,507,069,848,495,532,231,622,656
ASN type Hosting
Registry ripe
Allocated 15 years ago on Feb 07, 2011
Updated 2 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
185.108.216.0/22 Core-Backbone GmbH 1,024
185.24.68.0/22 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
2a06:4b01:3400::/48 Core-Backbone GmbH
2a06:4b01:3403::/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
2a06:4b01:350c::/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

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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 136,752 domain names hosted across 264 IP addresses on this ASN.

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IP Address Domain Domains on this IP
130.185.109.77 ██████████ 123,026
130.185.109.78 ██████████ 8,915
185.24.68.9 ██████████ 4,157
195.138.245.250 ██████████ 82
130.185.109.43 ██████████ 55
185.24.68.234 ██████████ 53
130.185.109.2 ██████████ 42
130.185.104.82 ██████████ 39
130.185.108.81 ██████████ 24
185.169.25.22 ██████████ 22

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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 ASN Database Download

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 ASN Database Download

Downstreams

There are no downstreams for this ASN.

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ASN API ASN Database Download

Pingable IPs

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

IP Address ASN Details
2a06:4b01:3310::1 AS51191 Core-Backbone GmbH 0.30ms from Amsterdam, NL
2a06:4b01:3305::1 AS51191 Core-Backbone GmbH 0.24ms from Amsterdam, NL
195.138.245.217 AS51191 Core-Backbone GmbH 2.75ms from Frankfurt am Main, DE
195.138.247.97 AS51191 Core-Backbone GmbH 2.79ms from Frankfurt am Main, DE
2a06:4b01:3507::1 AS51191 Core-Backbone GmbH 1.49ms from London, GB
2a06:4b01:3307::1 AS51191 Core-Backbone GmbH 0.35ms from Amsterdam, NL
2a06:4b01:3403::1 AS51191 Core-Backbone GmbH 0.35ms from Frankfurt am Main, DE
130.185.108.70 AS51191 Core-Backbone GmbH 2.70ms from Frankfurt am Main, DE
2a06:4b01:3502::1 AS51191 Core-Backbone GmbH 0.84ms from London, GB
2a06:4b01:3300::1 AS51191 Core-Backbone GmbH 0.28ms from Amsterdam, NL
2a06:4b01:3316::1 AS51191 Core-Backbone GmbH 0.38ms from Amsterdam, NL
2a06:4b01:3313::1 AS51191 Core-Backbone GmbH 0.27ms from Amsterdam, NL
195.138.246.1 AS51191 Core-Backbone GmbH 3.54ms from Frankfurt am Main, DE
2a06:4b01:3503::1 AS51191 Core-Backbone GmbH 0.91ms from London, GB
2a06:4b01:3510::1 AS51191 Core-Backbone GmbH 0.90ms from London, GB
2a06:4b01:3308::1 AS51191 Core-Backbone GmbH 0.34ms from Amsterdam, NL
195.138.243.88 AS51191 Core-Backbone GmbH 2.69ms from Frankfurt am Main, DE
130.185.109.2 AS51191 Core-Backbone GmbH 2.70ms from Frankfurt am Main, DE
2a06:4b01:3312::1 AS51191 Core-Backbone GmbH 0.32ms from Amsterdam, NL
2a06:4b01:3311::1 AS51191 Core-Backbone GmbH 0.34ms from Amsterdam, NL
2a06:4b01:340c::1 AS51191 Core-Backbone GmbH 0.40ms from Frankfurt am Main, DE
185.24.68.23 AS51191 Core-Backbone GmbH 2.71ms from Frankfurt am Main, DE
185.169.24.165 AS51191 Core-Backbone GmbH 2.71ms from Frankfurt am Main, DE
2a06:4b01:3315::1 AS51191 Core-Backbone GmbH 0.26ms from Amsterdam, NL
185.108.219.255 AS51191 Core-Backbone GmbH 3.57ms 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
166.137.19.39 AS20057 AT&T Enterprises, LLC 1.23ms from Atlanta, US
73.22.205.151 AS7922 Comcast Cable Communications, LLC 5.34ms from Chicago, US
103.66.205.87 AS133661 Netplus Broadband Services Private Limited 6.66ms from Delhi, IN
217.246.130.183 AS3320 Deutsche Telekom AG 3.56ms from Frankfurt am Main, DE
2.19.240.135 AS34164 Akamai International B.V. 0.21ms from Frankfurt am Main, DE
147.142.95.7 AS553 BelWue-Koordination 3.77ms from Frankfurt am Main, DE
213.251.252.135 AS25189 AO Countrycom 1.64ms from Moscow, RU
139.129.171.247 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 0.45ms from Qingdao, CN
13.66.203.39 AS8075 Microsoft Corporation 0.31ms from Quincy, US
76.114.45.151 AS7922 Comcast Cable Communications, LLC 8.67ms from San Jose, US
23.16.182.55 AS852 TELUS Communications Inc. 4.43ms from Seattle, US
106.255.174.71 AS3786 LG DACOM Corporation 2.24ms from Seoul, KR
101.30.102.183 AS4837 CHINA UNICOM China169 Backbone 4.17ms from Beijing, CN
8.242.131.215 AS3549 Level 3 Parent, LLC 1.23ms from Bogota, CO
34.22.250.55 AS396982 Google LLC 0.13ms from Brussels, BE
67.175.34.215 AS7922 Comcast Cable Communications, LLC 4.58ms from Chicago, US
34.135.189.103 AS396982 Google LLC 0.12ms from Council Bluffs, US
18.203.224.151 AS16509 Amazon.com, Inc. 0.45ms from Dublin, IE
54.229.210.23 AS16509 Amazon.com, Inc. 0.28ms from Dublin, IE
116.113.189.183 AS4837 CHINA UNICOM China169 Backbone 8.44ms from Hohhot, CN
124.83.66.23 AS9299 Philippine Long Distance Telephone Company 11.44ms from Manila, PH
189.237.138.7 AS8151 UNINET 15.04ms from Phoenix, US
177.25.21.183 AS10429 TELEFÔNICA BRASIL S.A 0.84ms from Sao Paulo, BR
35.189.48.39 AS396982 Google LLC 0.10ms from Sydney, AU
171.126.155.39 AS4837 CHINA UNICOM China169 Backbone 8.16ms from Taiyuan, CN

Traceroute

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

$
traceroute -a -n -q1 -m6 130.185.107.135
traceroute to 130.185.107.135 (130.185.107.135): 6 hops max, 52 byte packets
2 *
3 [AS201011] 81.95.15.161 97.635 ms
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Columbus, 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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