Autonomous System details

AS29145

Centaur GmbH  ·  centaur.de

Germany

Need more data or want to access it via API or data downloads? Sign up to get free access

Sign up for free ›

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 8 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

Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
IP Ranges API

WHOIS Details

Join for free to view WHOIS details › 

                                                ASHandle:       AS29145
                                                OrgID:          AS29145
                                                ASName:         AS29145
                                                ASNumber:       AS29145
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
Get this data and more with IPinfo's WHOIS product - effortless access to POCs, ORGs, and Networks, for actionable intelligence.
IP WHOIS API & Database

Hosted Domains

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

Join for free to explore hosted domains ›
IP Address Domain Domains on this IP
217.30.50.64 ████████ 837
217.30.50.148 ██████████ 235
217.30.50.192 ██████████ 161
217.30.63.12 ██████████ 112
217.30.49.143 ██████████ 25
217.30.50.211 ██████████ 25
217.30.63.63 ██████████ 19
217.30.50.149 ██████████ 16
217.30.49.197 ██████████ 16
217.30.50.63 ██████████ 14

Discover all domains hosted on a single IP address with IPinfo's powerful Hosted Domains (Reverse IP) solution.
Useful for Cybersecurity
Hosted Domains API & Database

Peers

There are 2 peers for this ASN.

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

Upstreams

There are 2 upstreams for this ASN.

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

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

Pingable IPs

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

IP Address ASN Details
217.30.49.214 AS29145 Centaur GmbH 4.67ms from Frankfurt am Main, DE
217.30.48.3 AS29145 Centaur GmbH 4.62ms from Frankfurt am Main, DE
217.30.63.10 AS29145 Centaur GmbH 4.51ms from Frankfurt am Main, DE
217.30.52.1 AS29145 Centaur GmbH 4.80ms from Frankfurt am Main, DE
217.30.53.73 AS29145 Centaur GmbH 4.51ms from Frankfurt am Main, DE
217.30.50.10 AS29145 Centaur GmbH 4.51ms 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
5.63.94.233 AS9198 JSC Kazakhtelecom 7.45ms from Almaty, KZ
75.143.24.153 AS20115 Charter Communications LLC 11.95ms from Ashburn, US
197.58.25.105 AS8452 TE-AS 3.55ms from Cairo, EG
204.116.253.137 AS2711 Spirit Communications 0.94ms from Charlotte, US
50.226.28.41 AS7922 Comcast Cable Communications, LLC 1.93ms from Chicago, US
113.182.102.73 AS45899 VNPT Corp 3.44ms from Ho Chi Minh City, VN
106.252.231.41 AS3786 LG DACOM Corporation 1.58ms from Incheon, KR
117.54.140.89 AS9340 INDO Internet, PT 0.53ms from Jakarta, ID
108.208.110.169 AS7018 AT&T Enterprises, LLC 1.75ms from Los Angeles, US
195.55.224.201 AS3352 TELEFONICA DE ESPANA S.A.U. 1.64ms from Madrid, ES
176.111.252.121 AS57988 Foton Company Ltd 6.49ms from Moscow, RU
114.143.19.9 AS134540 Tata Teleservices (Maharashtra) Ltd 0.51ms from Mumbai, IN
50.74.112.9 AS12271 Charter Communications Inc 1.24ms from New York City, US
68.205.13.249 AS33363 Charter Communications, Inc 7.11ms from Orlando, US
76.220.50.9 AS7018 AT&T Enterprises, LLC 18.38ms from San Jose, US
187.10.56.57 AS27699 TELEFÔNICA BRASIL S.A 3.17ms from Sao Paulo, BR
187.255.31.137 AS28573 Claro NXT Telecomunicacoes Ltda 5.18ms from Sao Paulo, BR
61.40.185.169 AS3786 LG DACOM Corporation 1.68ms from Seoul, KR
108.20.113.169 AS701 Verizon Business 2.29ms from Boston, US
186.60.135.249 AS22927 Telefonica de Argentina 12.09ms from Buenos Aires, AR
167.249.217.57 AS263764 MM Comunicaciones S.A 8.96ms from Buenos Aires, AR
183.215.188.249 AS56047 China Mobile communications corporation 1.67ms from Changsha, CN
14.99.195.137 AS45820 Tata Teleservices ISP AS 0.56ms from Delhi, IN
195.75.221.249 AS2686 AT&T Enterprises, LLC 1.62ms from Dublin, IE
18.198.168.121 AS16509 Amazon.com, Inc. 0.15ms from Frankfurt am Main, DE

Traceroute

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

$
traceroute -a -n -q1 -m6 217.30.54.128
traceroute to 217.30.54.128 (217.30.54.128): 6 hops max, 52 byte packets
2 *
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Zhengzhou, CN
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.

Data built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

Get Started for Free Contact Sales
IPinfo for all your IP geolocation needs

Our IP tools

Explore all tools
What is my IP

What is my IP

Test our data accuracy by viewing insights from your IP address.

See your IP address
Map IPs

Map IPs

Paste up to 500,000 IPs to see where they're located on a map.

Try Map IPs
Summarize IPs

Summarize IPs

Use our data visualization tool to create a visual overview of multiple IPs.

Try Summarize IPs