Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS31477

Announcement observedRIPE NCC

DUOCAST-AS Duocast B.V. · DUOCAST-AS

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/16/2026, 15:53:40Snapshot expired

View network topology RDAP registration

ASN: AS31477
Registration country: Netherlands
Name: DUOCAST-AS Duocast B.V.
Abbreviation: DUOCAST-AS
Registration date: 5/26/2004, 11:33:27
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
185.134.65.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
185.180.96.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
185.180.96.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
185.80.245.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
185.80.246.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
193.138.248.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
193.138.248.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
193.138.250.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
193.164.144.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
193.177.163.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
193.200.178.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
193.202.109.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
193.9.23.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
194.13.12.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
194.13.14.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
194.13.8.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
194.13.8.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
195.137.165.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
195.137.169.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
37.9.160.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
45.82.188.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
82.150.139.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
83.137.144.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
83.137.146.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
83.137.151.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
87.238.168.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
87.238.171.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
89.188.0.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
89.188.0.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
89.188.0.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
89.188.8.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
89.200.200.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
89.200.200.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
91.196.104.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
91.196.105.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
91.196.106.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
91.196.107.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
91.198.178.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
91.206.136.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
91.209.192.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
91.213.95.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
91.220.82.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record
93.184.96.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Historical record

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: DUOCAST-AS Duocast B.V.
RIR: RIPE NCC
Registration country: Netherlands
Registration date: 5/26/2004, 11:33:27
Abuse contact: abuse@duocast.nl

Snapshot trend

10/16/2026, 15:53:4043 v412 v667 Upstream · 71 Uncertain

10/11/2026, 18:14:4943 v412 v667 Upstream · 72 Uncertain

10/6/2026, 03:10:1343 v412 v668 Upstream · 72 Uncertain

10/2/2026, 09:36:3043 v412 v669 Upstream · 72 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap · cha-la-bgp-observations