Mainstream Fiber Networks, LLC
Cluster stats
| Netblocks | 23 |
| All fragments | 139 blocks across 19 clusters |
| Cluster ID | 191655250 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 7 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
23
0 netblocks since 2026-07-05
2026-07-05
peak 23
2026-07-06
IP Ranges (23)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 23.252.0.0/20 | Mainstream Fiber Networks, LLC | BGP | ANNOUNCED | ● high |
| 38.2.0.0/19 | Mainstream Fiber Networks, LLC | BGP | ANNOUNCED | ● high |
| 38.194.0.0/18 | Mainstream Fiber Networks, LLC | BGP | ANNOUNCED | ● high |
| 74.116.20.0/22 | Mainstream Fiber Networks, LLC | BGP | ANNOUNCED | ● high |
| 147.160.8.0/21 | Mainstream Fiber Networks, LLC | BGP | ANNOUNCED | ● high |
| 149.20.248.0/21 | Mainstream Fiber Networks, LLC | BGP | ANNOUNCED | ● high |
| 149.112.11.17/32 | Mainstream Fiber Networks | PEERINGDB | ASSIGNED | ● high |
| 163.182.176.0/20 | Mainstream Fiber Networks, LLC | BGP | ANNOUNCED | ● high |
| 206.53.139.39/32 | Mainstream Fiber Networks | PEERINGDB | ASSIGNED | ● high |
| 206.53.202.94/32 | Mainstream Fiber Networks | PEERINGDB | ASSIGNED | ● high |
| 206.126.242.0/23 | Mainstream Fiber Networks, LLC | BGP | ANNOUNCED | ● high |
| 2001:504:45:f3e8::39/128 | Mainstream Fiber Networks | PEERINGDB | ASSIGNED | ● high |
| 2001:504:61::48b7:0:1/128 | Mainstream Fiber Networks | PEERINGDB | ASSIGNED | ● high |
| 2001:504:102::48b7:0:1/128 | Mainstream Fiber Networks | PEERINGDB | ASSIGNED | ● high |
| 2607:1c80::/32 | Mainstream Fiber Networks, LLC | BGP | ANNOUNCED | ● high |
| 62.168.58.208/29 | MAINSTREAM-CZ | RIPE | ASSIGNED PA | ● low |
| 80.85.208.0/24 | MAINSTREAM-AWS | RIPE | ASSIGNED PA | ● low |
| 80.85.213.0/25 | MAINSTREAM-PBX | RIPE | ASSIGNED PA | ● low |
| 91.118.17.16/28 | Mainstream-IT | RIPE | ASSIGNED PA | ● low |
| 91.185.199.0/24 | Mainstream-SI | RIPE | ASSIGNED PA | ● low |
| 91.185.218.0/24 | Mainstream-SI | RIPE | ASSIGNED PA | ● low |
| 91.185.219.0/24 | Mainstream-SI | RIPE | ASSIGNED PA | ● low |
| 91.185.223.0/24 | Mainstream-SI | RIPE | ASSIGNED PA | ● low |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
82.6%
of checked blocks have valid RPKI ROA coverage
(19 of 23)
No discrepancies found among checked blocks.
NIC Handles
AS18615
AS18615
DUMY-RIPE
DUMY-RIPE
GTSCZ-MNT
MAINSTREAMD-MNT
PRIO-MNT
TELEMACH-MNT