AS21581
🇺🇸M5HOSTING - M5 Computer Securityb2281fee0e450a1b1a5eecc777377230
ARINassigned
Announced Prefixes (BGP)
22total
18 IPv44 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)4,096
Announced (BGP)8,448
IPv6 Addresses ⓘ
Allocated (RIR)7.9×10^28
Announced (BGP)7.9×10^28
Prefix Limit (IPv4)
50
Prefix Limit (IPv6)
20
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
5/28/2008
Announced Prefixes
(BGP)22|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | — | 5/28/2026 | |
| Valid | RADB | 5/28/2026 | |
| Valid | — | 5/28/2026 | |
| Valid | — | 5/28/2026 | |
| Valid | — | 5/28/2026 | |
| Valid | — | 5/28/2026 | |
| Valid | — | 5/28/2026 | |
| Valid | ARIN | 5/28/2026 | |
| No ROA | — | 5/28/2026 | |
| No ROA | — | 5/28/2026 |
1–10 of 22
1 / 3
Allocated Prefixes
(RIR)2Prefix | Country | RIR | Status |
|---|---|---|---|
| 108.161.144.0/20 | 🇺🇸 US | ARIN | allocated |
| 2606:7100::/32 | 🇺🇸 US | ARIN | allocated |
ASPA
No ASPA
External Links
API
Open https://api.ipctl.io/v1/asn/21581Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/21581" | jq