Autonomous System details
AS31477
Duocast B.V. — duocast.nl
Summary
| Country |
 Netherlands
|
| Organization | Duocast B.V. |
| Domain | duocast.nl |
| Number of IPv4 | 37,376 |
| Number of IPv6 | 1.3469× 1030 |
| AS Type | Hosting |
| Registry | RIPE NCC |
| Allocated | May 26, 2004 (about 21 years ago) |
| Updated | October 07, 2024 (about 6 months ago) |
IP Ranges
AS31477 announces 44 IPv4 ranges and 9 IPv6 ranges.
That's a total of 37,376 IPv4 addresses and 1.3469× 1030 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 37.9.160.0/21 |
Youwe Concept B.V.
|
2,048 | RIPE NCC | ASSIGNED PA |
| 45.82.188.0/22 |
Cloud86 B.V.
|
1,024 | RIPE NCC | ALLOCATED PA |
| 82.150.139.0/24 |
Vh Ict-diensten
|
256 | RIPE NCC | ASSIGNED PA |
| 83.137.144.0/21 |
Duocast
|
2,048 | RIPE NCC | ASSIGNED PA |
| 83.137.146.0/24 |
Duocast B.V.
|
256 | RIPE NCC | ALLOCATED PA |
| 83.137.151.0/24 |
Duocast B.V.
|
256 | RIPE NCC | ALLOCATED PA |
| 87.238.168.0/21 |
Illian.networks Srvs-1
|
2,048 | RIPE NCC | ASSIGNED PA |
| 87.238.171.0/24 |
Illian.networks Colocation Vlan 200
|
256 | RIPE NCC | ASSIGNED PA |
| 89.188.0.0/19 |
Duocast
|
8,192 | RIPE NCC | ASSIGNED PA |
| 89.188.0.0/21 |
Duocast
|
2,048 | RIPE NCC | ASSIGNED PA |
| 89.188.8.0/21 |
Duocast B.V.
|
2,048 | RIPE NCC | ALLOCATED PA |
| 89.200.200.0/24 |
Duocast B.V.
|
256 | RIPE NCC | ASSIGNED PI |
| 89.200.200.0/21 |
Duocast B.V.
|
2,048 | RIPE NCC | ASSIGNED PI |
| 91.196.104.0/24 |
Duocast B.V.
|
256 | RIPE NCC | ASSIGNED PI |
| 91.196.105.0/24 |
Duocast B.V.
|
256 | RIPE NCC | ASSIGNED PI |
| 91.196.106.0/24 |
Duocast B.V.
|
256 | RIPE NCC | ASSIGNED PI |
| 91.196.107.0/24 |
Gemeente Het Hogeland
|
256 | RIPE NCC | ASSIGNED PI |
| 91.198.178.0/24 |
Van Der Vlis
|
256 | RIPE NCC | ASSIGNED PI |
| 91.206.136.0/23 |
Thefactor.e B.V.
|
512 | RIPE NCC | ASSIGNED PI |
| 91.209.168.0/24 |
Gomibo B.V.
|
256 | RIPE NCC | ASSIGNED PI |
| 91.209.192.0/24 |
Youwe Concept B.V.
|
256 | RIPE NCC | ASSIGNED PI |
| 91.213.95.0/24 |
Duocast B.V.
|
256 | RIPE NCC | ASSIGNED PI |
| 91.220.82.0/24 |
Spie Nederland B.V.
|
256 | RIPE NCC | ASSIGNED PI |
| 93.184.96.0/20 |
Autocheck Data Vlan
|
4,096 | RIPE NCC | ASSIGNED PA |
| 185.80.245.0/24 |
Duocast B.V.
|
256 | RIPE NCC | ALLOCATED PA |
| 185.80.246.0/24 |
Duocast B.V.
|
256 | RIPE NCC | ALLOCATED PA |
| 185.134.65.0/24 |
Pk Automatisering & Internet Services BV
|
256 | RIPE NCC | ALLOCATED PA |
| 185.180.96.0/24 |
Aksi Datacenter
|
256 | RIPE NCC | ASSIGNED PA |
| 185.180.96.0/22 |
Aksi Datacenter
|
1,024 | RIPE NCC | ASSIGNED PA |
| 193.9.23.0/24 |
Itass B.V.
|
256 | RIPE NCC | ASSIGNED PI |
| 193.138.248.0/22 |
Duocast B.V.
|
1,024 | RIPE NCC | ASSIGNED PI |
| 193.138.248.0/24 |
Duocast B.V.
|
256 | RIPE NCC | ASSIGNED PI |
| 193.138.250.0/24 |
Duocast B.V.
|
256 | RIPE NCC | ASSIGNED PI |
| 193.164.144.0/24 |
Digital Revolution B.V.
|
256 | RIPE NCC | ASSIGNED PI |
| 193.177.163.0/24 |
Stichting Algemeen Christelijk Ziekenhuis Groningen
|
256 | RIPE NCC | ASSIGNED PI |
| 193.200.178.0/24 |
Isconnected B.V.
|
256 | RIPE NCC | ASSIGNED PI |
| 193.202.109.0/24 |
N.V. Waterleidingmaatschappij Drenthe
|
256 | RIPE NCC | ASSIGNED PI |
| 193.222.137.0/24 |
Heke Domeinnaam Holding B.V.
|
256 | RIPE NCC | ASSIGNED PI |
| 194.13.8.0/22 |
Provincie Groningen
|
1,024 | RIPE NCC | ASSIGNED PI |
| 194.13.12.0/23 |
Provincie Groningen
|
512 | RIPE NCC | ASSIGNED PI |
| 194.13.14.0/24 |
Provincie Groningen
|
256 | RIPE NCC | ASSIGNED PI |
| 195.14.1.0/24 |
Bys Hosting BV
|
256 | RIPE NCC | ASSIGNED PI |
| 195.137.165.0/24 |
Compano B.V.
|
256 | RIPE NCC | ASSIGNED PI |
| 195.137.169.0/24 |
Aksi Automatisering B.V.
|
256 | RIPE NCC | ASSIGNED PI |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:678:750::/48 |
Digital Revolution B.V.
|
1.2089× 1024 | RIPE NCC | ASSIGNED PI |
| 2001:678:d0c::/48 |
Thefactor.e B.V.
|
1.2089× 1024 | RIPE NCC | ASSIGNED PI |
| 2001:67c:6b8::/48 |
Duocast B.V.
|
1.2089× 1024 | RIPE NCC | ASSIGNED PI |
| 2a00:70c0::/48 |
NL-YOUWE
|
1.2089× 1024 | RIPE NCC | ASSIGNED |
| 2a01:1b0::/32 |
Duocast B.V.
|
7.9228× 1028 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a07:3501:1020::/48 |
Provincie Groningen
|
1.2089× 1024 | RIPE NCC | ASSIGNED |
| 2a07:3505:80::/44 |
Provincie Groningen
|
1.9343× 1025 | RIPE NCC | ALLOCATED-BY-LIR |
| 2a0b:6d80::/29 |
Aksi Automatisering B.V.
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a0e:7280::/29 |
Cloud86 B.V.
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-RIR |
Peers
AS31477 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
AS559
AS1031
AS1103
AS1140
AS1267
AS1764
AS1828
AS2119
AS3214
AS3216
AS3320
AS3333
AS4455
AS4637
AS4657
AS5405
AS5713
AS6057
AS6233
AS6424
AS6667
AS6696
AS6777
AS6939
AS8218
AS8283
AS8298
AS8758
AS8966
AS9044
AS9902
AS12552
AS12637
AS12779
AS12859
AS12969
AS13030
AS13194
AS13237
AS14537
AS14630
AS14907
AS15547
AS15576
AS15605
AS15943
AS16347
AS18106
AS20485
AS20562
AS20764
AS20932
AS23106
AS24482
AS24961
AS25091
AS25160
AS25220
AS28917
AS29075
AS29140
AS30781
AS30844
AS31019
AS33891
AS34019
AS34177
AS34224
AS34288
AS34927
AS35280
AS35360
AS35598
AS36994
AS37100
AS37468
AS37497
AS37662
AS37721
AS38880
AS39120
AS39122
AS39351
AS41047
AS41666
AS42541
AS45352
AS47147
AS47160
AS47957
AS48362
AS48858
AS48919
AS49544
AS49605
AS50300
AS50629
AS50763
AS51088
AS51184
AS51185
AS51873
AS52320
AS55329
AS56987
AS57406
AS57866
AS58299
AS58511
AS61568
AS62167
AS64475
AS132337
AS137409
AS140984
AS199524
AS199938
AS204092
AS205206
AS212483
AS213241
AS263152
Upstreams
AS31477 connects to the global Internet via at least 4 upstream providers. In this setup, AS31477 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS31477 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS31477's role in extending Internet access beyond its own infrastructure.