AS399521 BNS - BNS
🇺🇸ARINassigned
Announced Prefixes (BGP)
16total
9 IPv47 IPv6
IPv4 Addresses
Allocated (RIR)2,048
Announced (BGP)3,840
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Announced Prefixes
(BGP)16|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| Valid | ARINOther IRR | 2026-10-11 | |
| Valid | ARINOther IRR | 2026-10-11 | |
| No ROA | ARIN | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | ARINOther IRR | 2026-10-11 | |
| No ROA | ARINOther IRR | 2026-10-11 | |
| No ROA | ARINOther IRR | 2026-10-11 |
1-10 of 16
1 / 2
Allocated Prefixes
(RIR)3Prefix | Country | RIR | Status |
|---|---|---|---|
| 142.249.64.0/22 | 🇺🇸 US | ARIN | allocated |
| 172.98.8.0/22 | 🇺🇸 US | ARIN | allocated |
| 2606:4640::/32 | 🇺🇸 US | ARIN | allocated |
All 16 announced prefixes of AS399521 →
BGP Neighbours
(seen in AS paths)Upstreams (4)
Networks AS399521 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (1)
Networks whose own prefixes AS399521 passes on: usually its customers.
- AS54591CEF DIGITAL SYSTEMS4
ASPA
No ASPA
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS399521 should publish an ASPA object
- IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/399521Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/399521" | jq