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
217.30.49.10 AS29145 Centaur GmbH 4.64ms from Frankfurt am Main, DE
217.30.50.45 AS29145 Centaur GmbH 4.65ms from Frankfurt am Main, DE
217.30.52.1 AS29145 Centaur GmbH 4.66ms from Frankfurt am Main, DE
217.30.53.65 AS29145 Centaur GmbH 4.62ms from Frankfurt am Main, DE
217.30.63.10 AS29145 Centaur GmbH 4.67ms from Frankfurt am Main, DE
217.30.48.3 AS29145 Centaur GmbH 4.66ms 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
4.227.131.73 AS8075 Microsoft Corporation 0.51ms from Ashburn, US
117.251.177.25 AS9829 National Internet Backbone 12.62ms from Bengaluru, IN
100.23.0.217 AS16509 Amazon.com, Inc. 0.15ms from Boardman, US
96.170.137.217 AS36196 Comcast Cable Communications, LLC 0.89ms from Chicago, US
150.241.127.57 AS8881 1&1 Versatel GmbH 0.48ms from Frankfurt am Main, DE
116.110.51.73 AS24086 Viettel Corporation 9.81ms from Ho Chi Minh City, VN
14.128.37.41 AS152194 CTG Server Limited 0.64ms from Hong Kong, HK
61.42.103.89 AS3786 LG DACOM Corporation 1.80ms from Incheon, KR
13.41.110.201 AS16509 Amazon.com, Inc. 0.69ms from London, GB
88.37.231.169 AS3269 Telecom Italia S.p.A. 13.81ms from Milan, IT
117.169.36.73 AS56045 China Mobile communications corporation 2.23ms from Nanchang, CN
114.221.51.9 AS4134 CHINANET-BACKBONE 2.12ms from Nanjing, CN
173.52.167.153 AS701 Verizon Business 3.12ms from New York City, US
46.247.233.169 AS44407 Linkt SAS 5.21ms from Paris, FR
181.113.29.57 AS28006 CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP 0.59ms from Quito, EC
34.126.141.169 AS396982 Google LLC 0.15ms from Singapore, SG
51.254.97.153 AS16276 OVH SAS 0.15ms from Strasbourg, FR
110.145.166.169 AS1221 Telstra Limited 0.60ms from Sydney, AU
124.35.2.89 AS17506 ARTERIA Networks Corporation 0.95ms from Tokyo, JP
129.97.44.25 AS12093 University of Waterloo 2.17ms from Toronto, CA
78.83.26.153 AS29580 A1 Bulgaria EAD 8.51ms from Varna, BG
69.244.79.233 AS7922 Comcast Cable Communications, LLC 6.84ms from Ashburn, US
128.186.178.233 AS2553 Florida State University 10.35ms from Atlanta, US
12.138.111.169 AS7018 AT&T Enterprises, LLC 3.55ms from Atlanta, US
159.27.165.89 AS58593 Shanghai Blue Cloud Technology Co.,Ltd 7.30ms from Beijing, CN

Traceroute

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

$
traceroute -a -n -q1 217.30.63.10
traceroute to 217.30.63.10 (217.30.63.10): 64 hops max, 52 byte packets
2 [AS3320] 62.159.61.242 6.192 ms
3 [AS3320] 62.153.181.230 160.862 ms
4 [AS29145] 217.30.63.10 161.61 ms
Measurement taken from IPinfo ProbeNet in Las Vegas, 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 AS29145 at robtex.

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