MAINSTREAM S.R.L.

Mainstream Group Holdings Ltd
GLEIF verified
LEI
815600154B6958ED7993
Registered name
MAINSTREAM S.R.L.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks24
All fragments 139 blocks across 19 clusters
Cluster ID204770137
RegistryAPNIC
Owner jurisdictionIT
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 815600154B6958ED7993
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

4 weekly snapshots · JSON
24 0 netblocks since 2026-07-05
2026-07-05 peak 24 2026-07-13

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