Autonomous system profile

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

AS18182

Announcement observedAPNIC

SONET-TW - Sony Network Taiwan Limited · SONET-TW

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

Last active10/22/2026, 03:21:46Snapshot expired

View network topology RDAP registration

ASN: AS18182
Registration country: Taiwan
Name: SONET-TW - Sony Network Taiwan Limited
Abbreviation: SONET-TW
Registration date: 9/4/2008, 06:40:32
Status: Announcement observed
RIR: APNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
219.84.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.84.0.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.84.0.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.84.128.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.84.128.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.84.160.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.84.162.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.84.192.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.84.192.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.84.224.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.84.32.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.84.64.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.84.64.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.84.96.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.85.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.85.0.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.85.0.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.85.128.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.85.128.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.85.160.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.85.192.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.85.192.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.85.224.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.85.32.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.85.64.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.85.64.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
219.85.96.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.0.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.0.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.128.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.128.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.160.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.192.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.192.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.209.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.210.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.211.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.212.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.213.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.214.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.215.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.216.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.217.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.220.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.224.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.32.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.64.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.64.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid
27.105.95.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/22/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: SONET-TW - Sony Network Taiwan Limited
RIR: APNIC
Registration country: Taiwan
Registration date: 9/4/2008, 06:40:32
Abuse contact: it_network_team@sonet-tw.net.tw

Snapshot trend

10/22/2026, 03:21:4684 v42 v63 Upstream · 1 Uncertain

9/30/2026, 21:49:0384 v42 v65 Upstream · 1 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