AS1540
DNIC-ASBLK-01534-01546 - Headquarters, USAISC
Announced Prefixes (BGP)
736total
713 IPv423 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)1.8M
Announced (BGP)4.8M
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)2.7×10^25
Prefix Limit (IPv4)
2,000
Prefix Limit (IPv6)
100
Allocated
—
Announced Prefixes
(BGP)691|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | — | 5/26/2026 | |
| No ROA | — | 5/26/2026 | |
| No ROA | — | 5/26/2026 | |
6.16.72.0/24MOAS | No ROA | — | 5/26/2026 |
6.16.73.0/24MOAS | No ROA | — | 5/26/2026 |
| No ROA | — | 5/26/2026 | |
| No ROA | — | 5/26/2026 | |
| No ROA | — | 5/26/2026 | |
| No ROA | — | 5/26/2026 | |
| No ROA | — | 5/26/2026 |
1–10 of 691
1 / 70
Allocated Prefixes
(RIR)37Prefix | Country | RIR | Status |
|---|---|---|---|
| 138.27.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 139.231.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 140.196.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 140.202.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 141.107.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 143.79.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 143.134.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 144.147.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 144.244.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 144.245.0.0/16 | 🇺🇸 US | ARIN | allocated |
1–10 of 37
1 / 4
ASPA
No ASPA
External Links
API
Open https://api.ipctl.io/v1/asn/1540Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/1540" | jq