AS4693 CSK-IT MANAGEMENT CORPORATION 🇯🇵 JP
Announcing 8 prefixes, seen at the RIS collectors.
IPv4 prefixes
7
45,056 (176 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
2
transit providers observed
Peers
5
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it
Registry and operator data
- AS number
- AS4693
- Name
- CSK-IT MANAGEMENT CORPORATION
- Organisation
- SCSK Corporation
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 1995-08-30
- Network type
- NSP
- Traffic levels
- 5-10Gbps
- Scope
- Asia Pacific
- Peering policy
- Open
- PeeringDB
- net/3890
- Exchanges
- 3
- Facilities
- 2
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 |
|---|---|---|---|---|---|
| AS17676 SoftBank Corp. | 🇯🇵 JP | 21,973 | 473 | 117 | CAIDA |
| AS17686 ACCELIA | 🇯🇵 JP | 4 | 18 | 208 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 52,982 | 235 | 63 | CAIDA |
| AS9002 RETN Limited | 🇬🇧 GB | 50,681 | 18 | 2 | CAIDA |
| AS20485 TransTeleCom JSC | 🇷🇺 RU | 28,289 | 85 | 7 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 4,999 | 45 | 10 | CAIDA |
| AS17639 Converge ICT Solutions Inc. | 🇵🇭 PH | 273 | 567 | 8 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS17680 SCSK Corporation | 🇯🇵 JP | 0 | 2 | 84 | 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.