AS399837 ALTAMAHA-FIBER - Altamaha Fiber
🇺🇸ARINassigned
Announced Prefixes (BGP)
37total
37 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)12,288
Announced (BGP)21,248
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Announced Prefixes
(BGP)37|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | ARIN | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 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 | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 |
1-10 of 37
1 / 4
Allocated Prefixes
(RIR)2Prefix | Country | RIR | Status |
|---|---|---|---|
| 136.245.128.0/20 | 🇺🇸 US | ARIN | allocated |
| 209.239.32.0/19 | 🇺🇸 US | ARIN | allocated |
All 37 announced prefixes of AS399837 →
BGP Neighbours
(seen in AS paths)Upstreams (3)
Networks AS399837 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (1)
Networks whose own prefixes AS399837 passes on: usually its customers.
- AS396423Coastal FiberNet2
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 AS399837 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/399837Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/399837" | jq