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Autonomous System details for AS31477

AS31477
Duocast B.V. • duocast.nl

AS31477 — Duocast B.V.

AS Name
DUOCAST-AS
Country
The Netherlands (NL)
Website
Number of IPv4
40,960
Number of IPv6
1.43 × 1030
ASN type
Hosting
Status
Allocated
Registry
RIPE
Allocated
May 26, 2004
Last updated
October 07, 2024

IP Ranges

43 IPv4 prefixes, 11 IPv6 prefixes
Prefix Company Number of IPs
37.9.160.0/21 Youwe Concept B.V. 2,048
45.82.188.0/22 Cloud86 B.V. 1,024
82.150.139.0/24 VH ICT-diensten 256
83.137.144.0/21 Duocast 2,048
83.137.146.0/24 Duocast B.V. 256
83.137.151.0/24 Duocast B.V. 256
87.238.168.0/21 Duocast B.V. 2,048
87.238.171.0/24 Duocast B.V. 256
89.188.0.0/19 Duocast B.V. 8,192
89.188.0.0/20 Duocast B.V. 4,096
89.188.0.0/21 Duocast B.V. 2,048
89.188.8.0/21 Duocast B.V. 2,048
89.200.200.0/21 Duocast B.V. 2,048
89.200.200.0/24 Duocast B.V. 256
91.196.104.0/24 Duocast B.V. 256
91.196.105.0/24 Duocast B.V. 256
91.196.106.0/24 Duocast B.V. 256
91.196.107.0/24 Gemeente het Hogeland 256
91.198.178.0/24 E.P. van der Vlis 256
91.206.136.0/23 theFactor.e B.V. 512
91.209.192.0/24 Youwe Concept B.V. 256
91.213.95.0/24 Duocast B.V. 256
91.220.82.0/24 SPIE Nederland B.V. 256
93.184.96.0/20 Duocast B.V. 4,096
185.80.245.0/24 Duocast B.V. 256
185.80.246.0/24 Duocast B.V. 256
185.134.65.0/24 PK Automatisering & Internet Services BV 256
185.180.96.0/22 AKSI Automatisering B.V. 1,024
185.180.96.0/24 AKSI Automatisering B.V. 256
193.9.23.0/24 itass B.V. 256
193.138.248.0/22 Duocast B.V. 1,024
193.138.248.0/24 Duocast B.V. 256
193.138.250.0/24 Duocast B.V. 256
193.164.144.0/24 Digital Revolution B.V. 256
193.177.163.0/24 Stichting Martini Ziekenhuis 256
193.200.178.0/24 Arcus IT Drenthe B.V. 256
193.202.109.0/24 WMD Drinkwater N.V. 256
194.13.8.0/22 Provincie Groningen 1,024
194.13.8.0/24 Provincie Groningen 256
194.13.12.0/23 Provincie Groningen 512
194.13.14.0/24 Provincie Groningen 256
195.137.165.0/24 Compano B.V. 256
195.137.169.0/24 AKSI Automatisering B.V. 256
2001:678:750::/48 Digital Revolution B.V. 1.21 × 1024
2001:678:d0c::/48 theFactor.e B.V. 1.21 × 1024
2001:67c:6b8::/48 Duocast B.V. 1.21 × 1024
2a00:70c0::/48 Youwe Concept B.V. 1.21 × 1024
2a01:1b0::/32 Duocast B.V. 7.92 × 1028
2a01:1b2::/32 Duocast B.V. 7.92 × 1028
2a07:3501:1020::/48 Provincie Groningen 1.21 × 1024
2a07:3505:80::/44 Provincie Groningen 1.93 × 1025
2a07:3505:81::/48 Provincie Groningen 1.21 × 1024
2a0b:6d80::/29 AKSI Automatisering B.V. 6.34 × 1029
2a0e:7280::/29 Cloud86 B.V. 6.34 × 1029

IP ranges are the different blocks of IP addresses advertised by an Autonomous System (AS). These ranges can be used by the same organization operating the AS, or by different organizations.

Upstreams of AS31477

4 upstreams

AS31477 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS31477 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS31477

10 downstreams

AS31477 provides internet connectivity to these downstream Autonomous Systems.

A downstream is a customer Autonomous System that pays another AS (its provider) for internet access. The provider AS carries the downstream's traffic and makes its network reachable.

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