Autonomous system profile

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

AS214030

Announcement observedRIPE NCC

Kai-Wen Zheng · AS-SFIREW

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

Last active10/13/2026, 05:05:46Snapshot expired

View network topology RDAP registration

ASN: AS214030
Registration country: Registration country pending sync
Name: Kai-Wen Zheng
Abbreviation: AS-SFIREW
Registration date: 10/15/2024, 12:41:26
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
2001:67c:f34::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/29/2026, 00:00:00	10/22/2026, 16:00:00	×	✓	Currently valid

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

Registration and sources

Organization: Kai-Wen Zheng
RIR: RIPE NCC
Registration country: Registration country pending sync
Registration date: 10/15/2024, 12:41:26
Abuse contact: abuse@sfirew.com

Snapshot trend

10/13/2026, 05:05:460 v41 v62 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 · iana-rdap-asn-bootstrap · rir-rdap-asn