Autonomous system profile

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

AS219207

Announcement observedRIPE NCC

YIYUAN CHEN · AS-FUYANG-SIQIN

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

Last active10/21/2026, 16:46:46Snapshot expired

View network topology RDAP registration

ASN: AS219207
Registration country: Registration country pending sync
Name: YIYUAN CHEN
Abbreviation: AS-FUYANG-SIQIN
Registration date: 7/15/2026, 07:47:44
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
2602:fa02:d00::/40BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/29/2026, 08:00:00	10/21/2026, 08:00:00	×	✓	Currently valid
2a05:1086:8000::/33BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/29/2026, 08:00:00	10/21/2026, 08:00:00	×	✓	Currently valid
2a06:de07:f800::/39BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/29/2026, 08:00:00	10/21/2026, 08:00:00	×	✓	Currently valid
2a07:e000:20::/44BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/29/2026, 08:00:00	10/21/2026, 08:00:00	×	✓	Currently valid
2a0a:d682:e000::/36BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/29/2026, 08:00:00	10/21/2026, 08:00:00	×	✓	Currently valid
2a0c:e641::/33BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/29/2026, 08:00:00	10/21/2026, 08:00:00	×	✓	Currently valid
2a0e:4001:9800::/37BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/29/2026, 08:00:00	10/21/2026, 08:00:00	×	✓	Currently valid
2a0f:6280:7000::/39BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	10/17/2026, 16:00:00	10/21/2026, 08:00:00	×	✓	Currently valid
2a0f:6280:7800::/39BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	10/18/2026, 08:00:00	10/21/2026, 08:00:00	×	✓	Currently valid
2a0f:6281::/33BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/29/2026, 08:00:00	10/4/2026, 00:00:00	×	✓	Historical record

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

Registration and sources

Organization: YIYUAN CHEN
RIR: RIPE NCC
Registration country: Registration country pending sync
Registration date: 7/15/2026, 07:47:44
Abuse contact: ahut0316@gmail.com

Snapshot trend

10/21/2026, 16:46:460 v49 v61 Upstream · 0 Uncertain

10/21/2026, 16:41:360 v410 v61 Upstream · 0 Uncertain

10/21/2026, 15:16:090 v49 v61 Upstream · 0 Uncertain

10/13/2026, 16:20:220 v48 v61 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