AS21581 M5 Computer Security 🇺🇸 US
Announcing 25 prefixes, seen at the RIS collectors.
IPv4 prefixes
21
9,472 (37 × /24)
IPv6 prefixes
4
1 × /32
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS21581
- Name
- M5 Computer Security
- Organisation
- M5 Computer Security / M5Hosting
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2008-05-28
- Network type
- Content
- Scope
- Regional
- Peering policy
- Open
- Website
- http://www.m5hosting.com
- PeeringDB
- net/2875
- Facilities
- 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 |
|---|---|---|---|---|
| 2606:7100::/32 v6 | RPKI valid | 35 | 244821132021581 | 2026-09-18 |
| 2606:7100:1cab::/48 v6 | RPKI valid | 35 | 244821132021581 | 2026-09-18 |
| 2606:7100:3100::/44 v6 | RPKI valid | 36 | 5805717421581 | 2026-09-18 |
| 2606:7100:3200::/44 v6 | RPKI valid | 31 | 3454917421581 | 2026-09-18 |