AS21581
M5 Computer Security Content registered in United States
18IPv4 prefixes
4IPv6 prefixes
50%RPKI-valid
#20,986AS Rank
327/327RIS visibility
#1,593Rank in United States
2008-05-28Allocated
M5 Computer Security (AS21581) — Content, registered in United States. announces 18 IPv4 prefixes + 4 IPv6 prefixes. Rank in United States: #1593. Allocated: 2008-05-28.
IPv4 18IPv6 4
Announced prefixes · 22
- v4 108.161.144.0/20 valid
- v4 108.161.144.0/24 valid
- v4 108.161.145.0/24 valid
- v4 108.161.146.0/24 valid
- v4 108.161.148.0/24 valid
- v4 108.161.151.0/24 valid
- v4 108.161.156.0/24 valid
- v4 206.251.244.0/24 unknown
- v4 206.251.255.0/24 unknown
- v4 206.71.169.0/24 unknown
- v4 206.71.179.0/24 unknown
- v4 206.71.190.0/24 unknown
- v4 207.158.15.0/24 unknown
- v4 207.158.30.0/24 unknown
- v4 207.158.37.0/24 unknown
- v4 207.158.52.0/24 unknown
- v4 209.216.230.0/24 unknown
- v4 38.96.14.0/24 unknown
- v6 2606:7100:1cab::/48 valid
- v6 2606:7100:3100::/44 valid
- v6 2606:7100:3200::/44 valid
- v6 2606:7100::/32 valid
RPKI: rpki.cloudflare.com · 2026-06-17
Routing: 18 IPv4 · 4 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 22 |
| 2026-06-13 | 22 |
Facilities · 4
- CoreSite - Los Angeles (LA1) One Wilshire Los Angeles
- Equinix MU1/MU3 - Munich Munich
- LightEdge San Diego 1 (SAN1) San Diego
- LightEdge San Diego 2 (SAN2) San Diego
AS topology · Customer cone 1
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