Autonomous system
AS200256 CAO-AS
Unclassified RIPE
Summary
Yue Cao
individual ipv6 china
The AS handle CAO-AS is held by Yue Cao.
What it's used for
- The address space carries a single IPv6 prefix,
2a0a:6040:2d01::/48, with no IPv4 addresses announced. - The inventory consists of 1 IPv6 prefix against 1 observed neighbour, a ratio that indicates a small-scale or individual network rather than a transit or large access provider.
Notable
- The registrant name "Yue Cao" matches the AS handle
CAO-AS, indicating the space is held by the individual named in the registry. - The address inventory is minimal, consisting solely of one IPv6 block, which does not fit the profile of a commercial ISP or large enterprise.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.
Transit providers
1 upstream, 0 downstream and 1 adjacent networks observed; most-used upstreams first.
| AS | Network | Paths seen |
|---|---|---|
| AS146950 | Haruue Network Limited | 1 |
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-30, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 0 prefixes · 0 addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| CN | China | 1 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS200256- Registry name
- CAO-AS
- Registrant
- Yue Cao
- Abuse contact
- abuse@haruue.net
- Registered
- 2022-12-30
- Last changed
- 2023-01-02
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 1 valid, 0 with no ROA
- ROAs
- 1 authorising AS200256
- ASPA
- no ASPA record
- IRR
- 100% registered · 1 of 1 announcements
- Route objects
- 2 naming AS200256
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 447 networks and 1,848 prefixes, as published 2026-10-31. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere