Autonomous system profile

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

AS211729

Announcement observedRIPE NCC

Yiming Zhang · BAIYUEXIAO-AS

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

Last active10/20/2026, 05:34:44Snapshot expired

View network topology RDAP registration

ASN: AS211729
Registration country: United States
Name: Yiming Zhang
Abbreviation: BAIYUEXIAO-AS
Registration date: 3/7/2025, 13:02:06
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
44.30.81.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/28/2026, 08:00:00	10/20/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Yiming Zhang
RIR: RIPE NCC
Registration country: United States
Registration date: 3/7/2025, 13:02:06
Abuse contact: abuse@baiyuexiao.cn

Snapshot trend

10/20/2026, 05:34:441 v413 v614 Upstream · 8 Uncertain

10/15/2026, 07:06:431 v413 v613 Upstream · 9 Uncertain

10/12/2026, 16:15:131 v414 v613 Upstream · 9 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