UPSTREAM

Upstream Co. Ltd
Data as of 2026-10-25
GLEIF verified
LEI
699400WOT2OZKA707Y68
Registered name
UPSTREAM
Jurisdiction
BE
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks12 · 1,608 IPv4 addresses
IPv6 1 prefix (largest 2a13:9500:1ef::/48)
Registered in Greece (6) · South Africa (2) · United Kingdom (1) · Norway (1) · Sweden (1)
Also registered under this name 34 netblocks across 10 separate records
Record ID255778410
RegistryAFRINIC
Owner jurisdictionBE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 699400WOT2OZKA707Y68
Shared handles clustered on 16 shared RIR contact/maintainer handles
Registry names 7 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (12)

⬇ export CSV
CIDR Org name Registry Status Confidence
102.221.140.0/24 Upstream AFRINIC ASSIGNED PA ● high
102.221.141.0/24 Upstream AFRINIC ASSIGNED PA ● high
194.16.51.144/29 Upstream AB RIPE ASSIGNED PA ● high
2a13:9500:1ef::/48 Upstream Co. Ltd RIPE ASSIGNED ● high
37.99.196.112/28 Upstream-NET RIPE ASSIGNED PA ● low
185.77.36.0/24 UPSTREAM RIPE ASSIGNED PA ● low
185.77.37.0/24 UPSTREAM RIPE ASSIGNED PA ● low
185.77.38.0/24 UPSTREAM RIPE ASSIGNED PA ● low
185.77.39.0/24 UPSTREAM RIPE ASSIGNED PA ● low
194.219.175.224/29 UPSTREAM RIPE ASSIGNED PA ● low
195.159.99.8/29 UPSTREAM-NET RIPE ASSIGNED PA ● low
217.156.161.192/27 UPSTREAM-SA RIPE ASSIGNED PA ● low

IPv6 ranges (1)

CIDR
2a13:9500:1ef::/48

Network trust

what's this?
RPKI hygiene: D how networks compare →
41.7% of checked blocks have valid RPKI ROA coverage (5 of 12)
Possible discrepancies (1)

These blocks are registered to Upstream Co. Ltd 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.

2a13:9500:1ef::/48 /48 authorized for AS12755 — COLT Technology Services Group Limited

NIC Handles

AS198477-MNT DUMY-RIPE DUMY-RIPE FORTHNETGR-MNT NETWORKS_UPSTREAM-RIPE ORG-UA372-RIPE ORG-UCL20-RIPE POWERTECH-MNT QUZAUK TELIANET-LIR UCLA4-RIPE UPSTREAM-MNT +4 more