Fiber Optical Network LLC
Cluster stats
| Netblocks | 34 |
| All fragments | 1,185 blocks across 151 clusters |
| Cluster ID | 191595962 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 12 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
34
0 netblocks since 2026-07-05
2026-07-05
peak 34
2026-07-06
IP Ranges (34)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 31.131.8.0/23 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 31.131.10.0/23 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 45.80.248.0/23 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 45.158.200.0/23 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 45.158.202.0/23 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 64.43.100.0/22 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 66.180.138.0/23 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 66.180.141.0/24 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 66.180.144.0/24 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 66.180.148.0/23 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 66.180.152.0/23 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 77.36.24.0/22 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 81.161.0.0/23 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 81.161.2.0/23 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 91.236.90.0/23 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 93.120.16.0/22 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 93.120.20.0/22 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 176.96.52.0/22 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 176.111.160.0/23 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 176.111.162.0/23 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 176.116.32.0/22 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 176.116.36.0/22 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 178.159.144.0/23 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 185.126.72.0/22 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 185.126.76.0/22 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 185.168.156.0/24 | Fiber Optical Network | RIPE | ASSIGNED PA | ● high |
| 185.168.156.0/24 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 185.168.157.0/24 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 185.168.157.0/24 | Fiber Optical Network | RIPE | ASSIGNED PA | ● high |
| 185.174.88.0/23 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 185.186.60.0/24 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 185.186.61.0/24 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 185.186.62.0/24 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
| 185.186.63.0/24 | Fiber Optical Network LLC | BGP | ANNOUNCED | ● high |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(34 of 34)
Possible discrepancies (5)
These blocks are registered to Fiber Optical Network LLC but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 66.180.138.0/23 /23 | authorized for AS3356 — Level 3 Parent, LLC |
| 66.180.148.0/23 /23 | authorized for AS3356 — Level 3 Parent, LLC |
| 66.180.152.0/23 /23 | authorized for AS3356 — Level 3 Parent, LLC |
| 66.180.141.0/24 /24 | authorized for AS3356 — Level 3 Parent, LLC |
| 66.180.144.0/24 /24 | authorized for AS3356 — Level 3 Parent, LLC |
NIC Handles
AS398772
AS6282
AT16949-RIPE
DUMY-RIPE
DUMY-RIPE
ORG-FON2-RIPE
SoHo-Internet-mnt
fiberopt-mnt
fiberopt-mnt
lite-isp-mnt
segna-mnt
us-centrix-1-mnt