AS398991 X99-US - X99
🇺🇸ARINassigned
Announced Prefixes (BGP)
69total
63 IPv46 IPv6
IPv4 Addresses
Allocated (RIR)8,704
Announced (BGP)21,248
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)4.5×10²⁸
Announced Prefixes
(BGP)69|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | ARINOther IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 |
1-10 of 69
1 / 7
Allocated Prefixes
(RIR)10Prefix | Country | RIR | Status |
|---|---|---|---|
| 130.250.188.0/23 | 🇺🇸 US | ARIN | allocated |
| 142.99.96.0/21 | 🇺🇸 US | ARIN | allocated |
| 184.154.240.0/21 | 🇺🇸 US | ARIN | allocated |
| 198.13.16.0/23 | 🇺🇸 US | ARIN | allocated |
| 199.245.233.0/24 | 🇺🇸 US | ARIN | allocated |
| 199.245.234.0/24 | 🇺🇸 US | ARIN | allocated |
| 206.109.56.0/22 | 🇺🇸 US | ARIN | allocated |
| 208.122.16.0/22 | 🇺🇸 US | ARIN | allocated |
| 209.131.120.0/22 | 🇺🇸 US | ARIN | allocated |
| 2607:a540::/32 | 🇺🇸 US | ARIN | allocated |
All 69 announced prefixes of AS398991 →
BGP Neighbours
(seen in AS paths)Upstreams (6)
Networks AS398991 hands its own prefixes to: transit providers, or peers at an exchange.
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 AS398991 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/398991Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/398991" | jq