AS218820 — chang WEI JEN CHANG

AS218820 announces 0 IPv4 prefixes covering 0 addresses and 1 IPv6 prefixes.

About this network

The AS handle chang is held by Wei Jen Chang.

What it's used for

• The space carries a single IPv6 prefix, 2a0c:9a40:e020::/48, with no IPv4 addresses announced.
• The inventory consists of 1 IPv6 prefix against 3 observed neighbours, a ratio consistent with a small-scale research or personal network rather than a commercial transit or access provider.
• Traffic from this AS is associated with academic or research activities, as indicated by the PeeringDB classification of "Educational/Research" and the holder's affiliation with Taipei Medical University.

Notable

• The registry holder name matches the AS handle, identifying the network as a personal or individual research allocation.
• The address inventory is minimal, comprising only a single /48 IPv6 block, which is typical for individual academic researchers or small lab environments.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 2a0c:9a40:e020::/48

Upstream networks

• AS23961 Misaka Network, Inc.
• AS34927 iFog GmbH
• AS917 Misaka Network, Inc.

Adjacent networks

• AS23961 Misaka Network, Inc.
• AS34927 iFog GmbH
• AS917 Misaka Network, Inc.

Routing security

• RPKI: 1 valid, 0 invalid and 0 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 1 route objects.
• Listed in as-sets: AS-HURRICANEV6, AS-IFOG, AS-MISAKA-CUSTOMERS2, AS-RETN-ACTUAL-V6, AS917:AS-CUSTOMERS, AS917:AS-CUSTOMERS-LARGE.