Autonomous system profile

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

AS203472

Announcement observedRIPE NCC

PENG YUJEN · POEMA-AS-EU

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

Last active10/22/2026, 04:20:51Snapshot expired

View network topology RDAP registration

ASN: AS203472
Registration country: Registration country pending sync
Name: PENG YUJEN
Abbreviation: POEMA-AS-EU
Registration date: 8/3/2022, 12:46:14
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
2401:5a0:bbb0::/44BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/16/2026, 08:00:00	×	✓	Currently valid
2401:5a0:bbbb::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/16/2026, 08:00:00	×	✓	Currently valid
2406:840:9840::/44BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/16/2026, 08:00:00	×	✓	Currently valid
2602:feda:a80::/44BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/16/2026, 08:00:00	×	✓	Currently valid
2a0e:8f02:f046::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/16/2026, 08:00:00	×	✓	Currently valid
2a0e:b107:2710::/44BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/16/2026, 08:00:00	×	✓	Currently valid
2a0e:b107:2711::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/16/2026, 08:00:00	×	✓	Currently valid
2a0e:b107:2716::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/16/2026, 08:00:00	×	✓	Currently valid
2a12:3fc2:ddff::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/16/2026, 08:00:00	×	✓	Currently valid

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

Registration and sources

Organization: PENG YUJEN
RIR: RIPE NCC
Registration country: Registration country pending sync
Registration date: 8/3/2022, 12:46:14
Abuse contact: abuse@kskb.eu.org

Snapshot trend

10/22/2026, 04:20:510 v49 v62 Upstream · 29 Uncertain

10/16/2026, 15:09:500 v49 v62 Upstream · 29 Uncertain

10/10/2026, 14:10:170 v49 v62 Upstream · 29 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