AS24572 Yahoo Japan 🇯🇵 JP
Announcing 5 prefixes, seen at the RIS collectors.
IPv4 prefixes
4
118,784 (464 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
3
transit providers observed
Peers
1
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it
Registry and operator data
- AS number
- AS24572
- Name
- Yahoo Japan
- Organisation
- Yahoo Japan 2
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 2006-02-27
- Network type
- Content
- Scope
- Regional
- Peering policy
- Selective
- IRR as-set
- AS-YAHOO-JP-2
- Website
- http://www.yahoo.co.jp/
- PeeringDB
- net/10372
- Exchanges
- 3
- Facilities
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Upstreams
Networks seen providing transit to this one
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS2497 Internet Initiative Japan Inc. | 🇯🇵 JP | 22,292 | 237 | 159 | CAIDA |
| AS17676 SoftBank Corp. | 🇯🇵 JP | 22,000 | 473 | 23 | CAIDA |
| AS4713 NTT Communications Corporation (OCN) | 🇯🇵 JP | 134 | 181 | 5 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 54,955 | 185 | 56 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS24296 LY Corporation | 🇯🇵 JP | 0 | 2 | 41 | CAIDA |
Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.