AS30215
Cisco Systems Ironport Division Unknown registered in Japan
15IPv4 prefixes
2IPv6 prefixes
100%RPKI-valid
#25,324AS Rank
327/327RIS visibility
#162Rank in Japan
2008-02-01Allocated
Cisco Systems Ironport Division (AS30215) — Unknown, registered in Japan. announces 15 IPv4 prefixes + 2 IPv6 prefixes. Rank in Japan: #162. Allocated: 2008-02-01.
IPv4 15IPv6 2
Announced prefixes · 17
- v4 139.138.28.0/24 valid
- v4 139.138.29.0/24 valid
- v4 139.138.30.0/24 valid
- v4 139.138.31.0/24 valid
- v4 139.138.42.0/24 valid
- v4 139.138.43.0/24 valid
- v4 139.138.44.0/24 valid
- v4 139.138.45.0/24 valid
- v4 207.54.75.0/24 valid
- v4 207.54.83.0/24 valid
- v4 23.90.106.0/24 valid
- v4 23.90.107.0/24 valid
- v4 23.90.108.0/24 valid
- v4 23.90.109.0/24 valid
- v4 23.90.120.0/24 valid
- v6 2620:101:200d::/48 valid
- v6 2620:101:200e::/48 valid
RPKI: rpki.cloudflare.com · 2026-06-17
Routing: 15 IPv4 · 2 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 17 |
| 2026-06-13 | 17 |
AS topology · Customer cone 1
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