AS number details

AS61429

Castor Communications BV  ·  castornetworks.com

Netherlands

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AS61429 – Castor Communications BV

Field Value
Country Netherlands
Website castornetworks.com
Hosted domains 3
Number of IPv4 5,376
Number of IPv6 0
ASN type ISP
Registry ripe
Allocated 13 years ago on Oct 12, 2012
Updated a month ago on Aug 12, 2025

IP Ranges

Netblock Company Num of IPs
81.23.240.0/23 Castor Communications BV 512
185.6.108.0/24 Castor Holding B.V. 256
185.6.109.0/24 Castor Holding B.V. 256
185.6.110.0/24 Castor Holding B.V. 256
185.6.111.0/24 Castor Communications BV 256
213.146.180.0/24 Castor Holding B.V. 256
38.125.107.0/24 Castor Networks BV 256
62.41.10.0/24 Castor Broadcasting B.V. 256
62.41.20.0/24 Castor Broadcasting B.V. 256
62.41.2.0/24 Castor 256
62.41.21.0/24 Castor Broadcasting B.V. 256
62.41.59.0/24 Castor Broadcasting B.V. 256
62.41.60.0/24 Castor Broadcasting B.V. 256
92.71.10.0/24 Castor Broadcasting 256
92.71.11.0/24 Castor Broadcasting 256
92.71.15.0/24 Castor Broadcasting 256
92.71.16.0/24 Castor Broadcasting 256
92.71.19.0/24 Castor Broadcasting BV 256
92.71.20.0/24 Castor Broadcasting BV 256
92.71.22.0/24 Castor Broadcasting 256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS61429
                                                OrgID:          AS61429
                                                ASName:         AS61429
                                                ASNumber:       AS61429
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 3 domain names hosted across 3 IP addresses on this ASN.

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IP Address Domain Domains on this IP
185.6.111.140 ██████████ 1
185.6.111.142 ██████████ 1
213.146.180.240 ██████████ 1

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Peers

There are 3 peers for this ASN.

Peers Name
AS174 Cogent Communications
AS286 GTT Communications Inc.
AS3257 GTT Communications Inc.
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Upstreams

There are 2 upstreams for this ASN.

upstreams Name
AS174 Cogent Communications
AS3257 GTT Communications Inc.
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Downstreams

There are no downstreams for this ASN.

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ASN API ASN Database Download

Pingable IPs

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

IP Address ASN Details
38.125.107.253 AS61429 Castor Communications BV 79.22ms from New York City, US
62.41.10.169 AS61429 Castor Communications BV 546.36ms from Amsterdam, NL
62.41.21.39 AS61429 Castor Communications BV 5.04ms from Amsterdam, NL
92.71.16.255 AS61429 Castor Communications BV 5.04ms from Amsterdam, NL
62.41.60.33 AS61429 Castor Communications BV 569.89ms from Amsterdam, NL
213.146.180.253 AS61429 Castor Communications BV 12.32ms from London, GB
62.41.20.188 AS61429 Castor Communications BV 5.48ms from Amsterdam, NL
185.6.111.254 AS61429 Castor Communications BV 0.35ms from Amsterdam, NL
92.71.15.254 AS61429 Castor Communications BV 5.54ms from Amsterdam, NL
185.6.109.1 AS61429 Castor Communications BV 0.52ms from Amsterdam, NL
92.71.10.1 AS61429 Castor Communications BV 5.17ms from Amsterdam, NL
92.71.22.153 AS61429 Castor Communications BV 536.39ms 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
73.212.121.53 AS7922 Comcast Cable Communications, LLC 5.85ms from Ashburn, US
200.69.219.181 AS16814 NSS S.A. 0.31ms from Buenos Aires, AR
181.15.48.5 AS7303 Telecom Argentina S.A. 3.60ms from Buenos Aires, AR
208.15.29.37 AS29968 Dunkirk & Fredonia Telephone Company 10.15ms from Buffalo, US
24.76.185.149 AS6327 Shaw Communications Inc. 18.79ms from Chicago, US
66.49.54.85 AS7029 Windstream Communications LLC 11.31ms from Chicago, US
148.62.79.5 AS33070 Rackspace Hosting 1.02ms from Dallas, US
27.147.128.37 AS23688 Link3 Technologies Ltd. 0.49ms from Dhaka, BD
181.140.235.133 AS13489 UNE EPM TELECOMUNICACIONES S.A. 8.93ms from Medellin, CO
111.39.213.21 AS9808 China Mobile Communications Group Co., Ltd. 7.96ms from Nanjing, CN
165.154.188.117 AS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED 1.06ms from Tokyo, JP
94.111.72.197 AS47377 Orange Belgium SA 12.26ms from Amsterdam, NL
112.54.133.245 AS56048 China Mobile Communicaitons Corporation 1.02ms from Beijing, CN
178.220.113.133 AS8400 TELEKOM SRBIJA a.d. 0.94ms from Belgrade, RS
208.59.93.69 AS6079 RCN 1.09ms from Boston, US
113.250.125.21 AS4134 CHINANET-BACKBONE 1.09ms from Chongqing, CN
141.216.149.53 AS394769 University of Michigan - Flint 2.30ms from Detroit, US
37.201.84.197 AS3209 Vodafone GmbH 10.65ms from Frankfurt am Main, DE
117.199.21.117 AS9829 National Internet Backbone 1.21ms from Kolkata, IN
202.98.239.85 AS4134 CHINANET-BACKBONE 12.75ms from Lhasa, CN
176.25.11.197 AS5607 Sky UK Limited 7.50ms from London, GB
67.213.112.117 AS396356 Latitude.sh 0.14ms from New York City, US
87.241.193.53 AS12772 Enforta Autonomous System 0.84ms from Novosibirsk, RU
91.159.134.245 AS719 Elisa Oyj 0.78ms from Oulu, FI
174.17.45.213 AS209 CenturyLink Communications, LLC 1.10ms from Phoenix, US

Traceroute

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

$
traceroute -a -n -q1 -m6 62.41.2.100
traceroute to 62.41.2.100 (62.41.2.100): 6 hops max, 52 byte packets
2 [AS6453] 180.87.105.34 0.845 ms
3 [AS6453] 180.87.105.33 1.066 ms
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Singapore, SG
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 AS61429 at robtex.

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