AS31477 Duocast B.V. details

Summary

Country	Netherlands
Organization	Duocast B.V.
Domain	duocast.nl
Number of IPv4	37,888
Number of IPv6	1.4261× 10³⁰
AS Type	Hosting
Registry	RIPE NCC
Allocated	May 26, 2004 (about 21 years ago)
Updated	October 07, 2024 (about 1 year ago)

IP Ranges

AS31477 announces 46 IPv4 ranges and 11 IPv6 ranges.

That's a total of 37,888 IPv4 addresses and 1.4261× 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	Duocast B.V.	2,048	RIPE NCC	ALLOCATED PA
87.238.171.0/24	Duocast B.V.	256	RIPE NCC	ALLOCATED PA
87.238.175.0/24	Duocast B.V.	256	RIPE NCC	ALLOCATED 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	E.P. 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	Duocast B.V.	4,096	RIPE NCC	ALLOCATED 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 Martini Ziekenhuis	256	RIPE NCC	ASSIGNED PI
193.200.178.0/24	Arcus IT Drenthe B.V.	256	RIPE NCC	ASSIGNED PI
193.202.109.0/24	Wmd Drinkwater N.V.	256	RIPE NCC	ASSIGNED PI
193.222.137.0/24	Heke Domeinnaam Holding B.V.	256	RIPE NCC	ASSIGNED PI
194.13.8.0/24	Provincie Groningen	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
2a01:1b2::/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
2a07:3505:81::/48	Provincie Groningen	1.2089× 10²⁴	RIPE NCC	ASSIGNED
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

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 AS3399 AS4230 AS4455 AS4637 AS4657 AS5405 AS5713 AS6057 AS6424 AS6667 AS6696 AS6777 AS6939 AS7713 AS8218 AS8283 AS8298 AS8966 AS9044 AS9930 AS12552 AS12637 AS12779 AS12859 AS12969 AS13030 AS13194 AS13237 AS14537 AS14630 AS14907 AS15547 AS15576 AS15605 AS18106 AS20485 AS20764 AS20932 AS22356 AS24482 AS24961 AS25091 AS25160 AS25220 AS28917 AS29075 AS29140 AS30781 AS30844 AS31019 AS33891 AS34019 AS34177 AS34288 AS34927 AS35280 AS35360 AS37100 AS37468 AS37497 AS37662 AS37721 AS38880 AS39120 AS39122 AS39351 AS41327 AS41666 AS42541 AS45352 AS47147 AS47160 AS47957 AS48185 AS48362 AS48919 AS49544 AS49605 AS50300 AS50629 AS50763 AS51088 AS51184 AS51185 AS51873 AS52075 AS52320 AS56911 AS56987 AS57866 AS58299 AS58511 AS61049 AS61568 AS62167 AS64475 AS132337 AS137409 AS199524 AS199938 AS204092 AS205206 AS212483 AS213241 AS263152 AS271253

AS31477 connects to the global Internet via at least 3 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.

AS1299 AS2914 AS50673

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.

AS8312 AS29028 AS35974 AS51923 AS198508 AS198692 AS201791 AS204751 AS209223 AS213052 AS398300

AS31477

Duocast B.V. — duocast.nl

Summary

IP Ranges

Peers

Upstreams

Downstreams