Upstream AB
Data as of 2026-11-01
GLEIF verified
LEI
549300V5H34PAKKK3227
Registered name
Upstream AB
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
| Netblocks | 12 · 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 ID | 259427291 |
| Registry | AFRINIC |
| Owner jurisdiction | SE |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 549300V5H34PAKKK3227 |
| 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 |
Footprint over time
18 weekly snapshots · JSON
12
+1 netblocks since 2026-07-05
2026-07-05
peak 12
2026-11-01
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 AB 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