Autonomous system profile

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

AS200256

Announcement observedRIPE NCC

Yue Cao · CAO-AS

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

Last active10/31/2026, 05:43:23Snapshot expired

View network topology RDAP registration

ASN: AS200256
Registration country: China
Name: Yue Cao
Abbreviation: CAO-AS
Registration date: 12/30/2022, 10:13:09
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
2a0a:6040:2d01::/48BGP · IPv6	Announced prefixBGP route observation	Not applicable · BGP prefix	9/25/2026, 08:00:00	10/26/2026, 08:00:00	×	✓	Currently valid

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

Registration and sources

Organization: Yue Cao
RIR: RIPE NCC
Registration country: China
Registration date: 12/30/2022, 10:13:09
Abuse contact: abuse@haruue.net

Snapshot trend

10/31/2026, 05:43:230 v41 v60 Upstream · 0 Uncertain

10/9/2026, 17:28:010 v41 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