Mainstream International Corp.
Mainstream Group Holdings Ltd
LEI
549300R6DX4BRJTDYK49
Registered name
Mainstream International Corp.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 24 |
| All fragments | 139 blocks across 19 clusters |
| Cluster ID | 191767514 |
| Registry | APNIC |
| Owner jurisdiction | US-PA |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Legal identity | LEI 549300R6DX4BRJTDYK49 |
| Shared handles | clustered on 13 shared RIR contact/maintainer handles |
| Registry names | 6 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
24
0 netblocks since 2026-07-05
2026-07-05
peak 24
2026-07-06
IP Ranges (24)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 103.139.123.0/24 | Mainstream Group Holdings Ltd | BGP | ANNOUNCED | ● high |
| 103.139.123.0/24 | Mainstream Group Holdings Ltd | APNIC | ASSIGNED PORTABLE | ● high |
| 185.1.27.51/32 | Mainstream | PEERINGDB | ASSIGNED | ● high |
| 185.1.27.82/32 | Mainstream | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8:1e::51/128 | Mainstream | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8:1e::82/128 | Mainstream | PEERINGDB | ASSIGNED | ● high |
| 81.93.78.48/29 | MAINSTREAM-NET | RIPE | ASSIGNED PA | ● low |
| 82.214.94.176/28 | Mainstream | RIPE | ASSIGNED PA | ● low |
| 87.237.201.0/24 | Mainstream | RIPE | ASSIGNED PA | ● low |
| 87.237.202.96 – 87.237.202.247 | Mainstream | RIPE | ASSIGNED PA | ● low |
| 87.237.203.0 – 87.237.204.255 | Mainstream | RIPE | ASSIGNED PA | ● low |
| 87.237.206.0 – 87.237.206.231 | Mainstream | RIPE | ASSIGNED PA | ● low |
| 87.237.207.0/24 | Mainstream | RIPE | ASSIGNED PA | ● low |
| 92.249.52.0/24 | Mainstream | RIPE | ASSIGNED PA | ● low |
| 92.249.53.0/24 | Mainstream | RIPE | ASSIGNED PA | ● low |
| 92.249.54.0/24 | Mainstream | RIPE | ASSIGNED PA | ● low |
| 92.249.55.0/24 | Mainstream | RIPE | ASSIGNED PA | ● low |
| 185.29.100.0 – 185.29.102.255 | Mainstream | RIPE | ASSIGNED PA | ● low |
| 185.29.103.0/24 | Mainstream | RIPE | ASSIGNED PA | ● low |
| 188.93.120.0/23 | Mainstream | RIPE | ASSIGNED PA | ● low |
| 188.93.122.0/24 | Mainstream | RIPE | ASSIGNED PA | ● low |
| 188.93.123.0/24 | Mainstream | RIPE | ASSIGNED PA | ● low |
| 217.100.83.32/29 | MAINSTREAM_BV | RIPE | ASSIGNED PA | ● low |
| 2001:41f0:15c1::/48 | MAINSTREAM_BV | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
87.5%
of checked blocks have valid RPKI ROA coverage
(21 of 24)
Possible discrepancies (3)
These blocks are registered to Mainstream Group Holdings Ltd but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2001:41f0:15c1::/48 /48 | authorized for AS33915 — Vodafone Libertel B.V. |
| 188.93.122.0/24 /24 | authorized for AS35779 — mCloud doo |
| 188.93.123.0/24 /24 | authorized for AS35779 — mCloud doo |
NIC Handles
AKTON-MNT
AM2975-AP
APNIC-HM
AS139193
AS51859
DUMY-RIPE
DUMY-RIPE
MGHL1-AP
MGHL1-AP
MNSHA-MNT
ORG-MGHL1-AP
TELEKOM-SRPSKE-MNT
+1 more