Autonomous System details

AS29145

Centaur GmbH  ·  centaur.de

Germany

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AS29145 – Centaur GmbH

Field Value
Country Germany
Website centaur.de
Hosted domains 1,680
IPv4 addresses 4,096
IPv6 addresses 0
ASN type Hosting
Registry ripe
Allocated 23 years ago on Jun 16, 2003
Updated 6 months ago on Aug 13, 2025

IP Ranges

Netblock Company Num of IPs
217.30.48.0/20 Centaur GmbH 4,096

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS29145
                                                OrgID:          AS29145
                                                ASName:         AS29145
                                                ASNumber:       AS29145
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 1,680 domain names hosted across 43 IP addresses on this ASN.

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IP Address Domain Domains on this IP
217.30.50.64 ████████ 859
217.30.50.148 ██████████ 261
217.30.50.192 ██████████ 204
217.30.63.12 ██████████ 134
217.30.49.143 ██████████ 38
217.30.50.141 ██████████ 25
217.30.50.211 ██████████ 25
217.30.63.63 ██████████ 19
217.30.50.149 ██████████ 16
217.30.49.197 ██████████ 16

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Peers

There are 2 peers for this ASN.

Peers Name
AS3320 Deutsche Telekom AG
AS8881 1&1 Versatel GmbH
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Upstreams

There are 2 upstreams for this ASN.

upstreams Name
AS3320 Deutsche Telekom AG
AS8881 1&1 Versatel GmbH
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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

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

IP Address ASN Details
217.30.50.45 AS29145 Centaur GmbH 4.65ms from Frankfurt am Main, DE
217.30.63.10 AS29145 Centaur GmbH 4.67ms from Frankfurt am Main, DE
217.30.52.1 AS29145 Centaur GmbH 4.66ms from Frankfurt am Main, DE
217.30.48.3 AS29145 Centaur GmbH 4.66ms from Frankfurt am Main, DE
217.30.49.10 AS29145 Centaur GmbH 4.64ms from Frankfurt am Main, DE
217.30.53.65 AS29145 Centaur GmbH 4.62ms 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
95.85.51.9 AS14061 DigitalOcean, LLC 0.18ms from Amsterdam, NL
68.184.77.121 AS20115 Charter Communications LLC 9.25ms from Atlanta, US
190.26.211.153 AS19429 ETB - Colombia 0.76ms from Bogota, CO
50.226.28.41 AS7922 Comcast Cable Communications, LLC 1.85ms from Chicago, US
34.241.37.153 AS16509 Amazon.com, Inc. 0.20ms from Dublin, IE
91.4.1.89 AS3320 Deutsche Telekom AG 2.06ms from Duesseldorf, DE
93.237.218.217 AS3320 Deutsche Telekom AG 6.19ms from Frankfurt am Main, DE
213.139.166.137 AS16086 DNA Oyj 0.68ms from Helsinki, FI
98.151.101.185 AS20001 Charter Communications Inc 7.95ms from Honolulu, US
103.22.172.73 AS45582 VAINAVI INDUSTIES LTD, INTERNET SERVICE PROVIDER, INDIA 0.96ms from Hyderabad, IN
13.42.89.41 AS16509 Amazon.com, Inc. 0.19ms from London, GB
92.161.210.217 AS3215 Orange S.A. 9.01ms from Marseille, FR
88.37.231.169 AS3269 Telecom Italia S.p.A. 13.81ms from Milan, IT
79.37.172.217 AS3269 Telecom Italia S.p.A. 2.10ms from Milan, IT
176.111.252.121 AS57988 Foton Company Ltd 6.44ms from Moscow, RU
103.133.37.137 AS135851 Excogitate Technologies Pvt Ltd 12.29ms from Mumbai, IN
82.165.210.233 AS8560 IONOS SE 1.13ms from New York City, US
219.165.255.121 AS4713 NTT DOCOMO BUSINESS,Inc. 5.46ms from Osaka, JP
191.183.69.137 AS28573 Claro NXT Telecomunicacoes Ltda 4.23ms from Sao Paulo, BR
20.195.216.9 AS8075 Microsoft Corporation 0.17ms from Sao Paulo, BR
112.173.246.249 AS4766 Korea Telecom 1.03ms from Seoul, KR
183.63.233.201 AS4134 CHINANET-BACKBONE 4.89ms from Shenzhen, CN
165.22.104.89 AS14061 DigitalOcean, LLC 0.21ms from Singapore, SG
62.47.240.121 AS8447 A1 Telekom Austria AG 0.79ms from Vienna, AT
120.202.136.137 AS9808 China Mobile Communications Group Co., Ltd. 5.32ms from Wuhan, CN

Traceroute

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

$
traceroute -a -n -q1 -f3 -m9 217.30.55.165
traceroute to 217.30.55.165 (217.30.55.165): 9 hops max, 52 byte packets
4 [AS3320] 80.156.160.38 1.442 ms
5 [AS3320] 62.153.181.230 110.198 ms
6 [AS3320] 80.156.163.82 109.052 ms
7 *
8 *
9 *
Measurement taken from IPinfo ProbeNet in Toronto, CA
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 AS29145 at robtex.

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