Autonomous system profile

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

AS10209

Announcement observedAPNIC

Synopsys · Synopsys-AS-JP-AP

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

Last active9/30/2026, 02:14:08Snapshot expired

View network topology RDAP registration

ASN: AS10209
Registration country: Japan
Name: Synopsys
Abbreviation: Synopsys-AS-JP-AP
Registration date: 9/4/2008, 06:40:43
Status: Announcement observed
RIR: APNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
149.117.1.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
198.182.50.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
198.182.50.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
198.182.51.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Synopsys
RIR: APNIC
Registration country: Japan
Registration date: 9/4/2008, 06:40:43
Abuse contact: bent@synopsys.com

Snapshot trend

9/30/2026, 02:14:084 v40 v62 Upstream · 0 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 · iana-rdap-asn-bootstrap · rir-rdap-asn