Autonomous system
AS24239 TWD2-NET-AS-AP TWD2 Education and Research Network
Unclassified APNIC Educational/Research
Summary
TWD2 Education and Research Network
education research ipv6 china
TWD2-NET-AS-AP is operated by TWD2 Education and Research Network.
What it's used for
- The address space carries IPv6 prefixes for an educational and research network, as indicated by the registry handle and PeeringDB classification.
- The AS announces 5 IPv6 prefixes and 0 IPv4 addresses, with 5 observed neighbours, suggesting a specialized research network rather than a general transit or access provider.
Notable
- The registry holder name matches the AS handle, confirming the operator identity.
- The address inventory consists entirely of IPv6 space, with no IPv4 prefixes in inventory or announced.
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
Recorded at 1 exchange in 1 country, largest first.
| Exchange | Location | Their address |
|---|---|---|
| KleyReX Internet Exchange | Frankfurt, Germany | 193.189.82.28 |
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-14, 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 5 prefixes
| Country | Name | Prefixes |
|---|---|---|
| CN | China | 5 |
Registry
Allocation record
- Registry
- APNIC
- Handle
AS24239- Registry name
- TWD2-NET-AS-AP
- Registrant
- TWD2 Education and Research Network
- Abuse contact
- twd2.me@gmail.com
- Registered
- 2020-05-11
- Last changed
- 2023-09-05
- Allocation
- allocated
Declared
PeeringDB profile
- Name
- TWD2 Education and Research Network 2
- Also known as
- TWD2-NET-AS-AP
- Network type
- Educational/Research
- Scope
- Not Disclosed
- Traffic ratio
- Not Disclosed
- Peering policy
- Open
- IRR as-set
AS209300:AS-CUSTOMERS- Website
- https://bgp.twd2.net
PeeringDB records are maintained by the network operator and are not independently verified. Treat them as a statement of intent rather than of fact. For the observed and recorded view, see peering, which lists the exchanges Packet Clearing House has a port on file for.
Routing security
RPKI and IRR
- RPKI
- 100% valid · 12 valid, 0 with no ROA
- ROAs
- 4 authorising AS24239
- ASPA
- no ASPA record
- IRR
- 100% registered · 12 of 12 announcements
- Route objects
- 133 naming AS24239
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: 442 networks and 1,772 prefixes, as published 2026-10-15. 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