AS21547 OXNET - FirstLight Fiber, Inc.
🇺🇸ARINassigned
Announced Prefixes (BGP)
63total
58 IPv45 IPv6
IPv4 Addresses
Allocated (RIR)65,536
Announced (BGP)93,952
IPv6 Addresses
Allocated (RIR)1.5×10²⁹
Announced (BGP)1.5×10²⁹
Announced Prefixes
(BGP)63|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | ARIN | 2026-10-11 | |
| Valid | ARIN | 2026-10-11 | |
| Valid | ARIN | 2026-10-11 | |
| Valid | ARIN | 2026-10-11 | |
| Valid | ARIN | 2026-10-11 | |
| Valid | ARIN | 2026-10-11 | |
| Valid | ARIN | 2026-10-11 | |
| Valid | ARIN | 2026-10-11 | |
| Valid | ARINOther IRR | 2026-10-11 | |
| Valid | ARIN | 2026-10-11 |
1-10 of 63
1 / 7
Allocated Prefixes
(RIR)10Prefix | Country | RIR | Status |
|---|---|---|---|
| 64.140.192.0/18 | 🇺🇸 US | ARIN | allocated |
| 66.186.160.0/19 | 🇺🇸 US | ARIN | allocated |
| 66.231.192.0/19 | 🇺🇸 US | ARIN | allocated |
| 69.49.128.0/19 | 🇺🇸 US | ARIN | allocated |
| 69.168.0.0/20 | 🇺🇸 US | ARIN | allocated |
| 72.12.64.0/19 | 🇺🇸 US | ARIN | allocated |
| 72.55.224.0/19 | 🇺🇸 US | ARIN | allocated |
| 74.220.224.0/20 | 🇺🇸 US | ARIN | allocated |
| 2001:4940::/32 | 🇺🇸 US | ARIN | allocated |
| 2604:3f00::/32 | 🇺🇸 US | ARIN | allocated |
All 63 announced prefixes of AS21547 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS21547 hands its own prefixes to: transit providers, or peers at an exchange.
- AS13536FirstLight Fiber63
Transfer History
Registry transfers of AS21547 between organisations.
- AS21547M&A ·
- AS21547M&A ·
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 AS21547 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/21547Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/21547" | jq