AS2500 WIDE Project 🇯🇵 JP
Announcing 4 prefixes, seen at the RIS collectors.
IPv4 prefixes
3
65,536 (256 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
4
transit providers observed
Peers
4
settlement-free adjacencies
Downstreams
18
transit customers observed
Customer cone
2,578
ASes reachable through it
Registry and operator data
- AS number
- AS2500
- Name
- WIDE Project
- Organisation
- WIDE Project
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 2002-04-05
- Network type
- Educational/Research
- Scope
- Asia Pacific
- Peering policy
- Open
- IRR as-set
- AS2500:AS-TRANSIT
- Website
- https://www.wide.ad.jp/
- PeeringDB
- net/831
- Exchanges
- 4
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
4 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 133.4.128.0/18 v4 | no ROA | 41 | 244822500 | 2026-09-18 |
| 202.249.0.0/18 v4 | RPKI valid | 41 | 244822500 | 2026-09-18 |
| 203.178.128.0/17 v4 | RPKI valid | 41 | 244822500 | 2026-09-18 |
| 2001:200::/32 v6 | RPKI valid | 33 | 244822500 | 2026-09-18 |