AS4138 FN-205-4138 - FAL Networks
🇺🇸ARINassignedASPA Published
Announced Prefixes (BGP)
12total
1 IPv411 IPv6
IPv4 Addresses
Allocated (RIR)256
Announced (BGP)256
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)4.4×10²⁸
Routing hygiene
Score 10/100 · Low riskRPKI ROA coverage
100%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
1
diversity 0/100
- Only one upstream seen in the AS paths of its routes
Based on 12 announced prefixes, updated daily (2026-10-24). How the score works · RPKI explained
Announced Prefixes
(BGP)12|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | ARINOther IRR | - | |
| Valid | ARIN | - | |
| Valid | ARIN | - | |
| Valid | ARIN | - | |
| Valid | ARIN | - | |
| Valid | ARIN | - | |
| Valid | ARIN | - | |
| Valid | ARIN | - | |
| Valid | ARIN | - | |
| Valid | ARIN | - |
1-10 of 12
1 / 2
Allocated Prefixes
(RIR)2Prefix | Country | RIR | Status |
|---|---|---|---|
| 23.129.192.0/24 | 🇺🇸 US | ARIN | allocated |
| 2604:55c0::/32 | 🇺🇸 US | ARIN | allocated |
All 12 announced prefixes of AS4138 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS4138 hands its own prefixes to: transit providers, or peers at an exchange.
- AS397373H4Y Technologies12
Transfer History
Registry transfers of AS4138 between organisations.
- AS4138Transfer ·
- AS4138M&A ·
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
- How to run an ASPA checkVerify the upstream providers listed above
- 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/4138Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/4138" | jq