Sigma Net
SIGMANET
Cluster stats
Netblocks13
All fragments 24 blocks across 3 clusters
Cluster ID192323352
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
13 0 netblocks since 2026-07-05
2026-07-05 peak 13 2026-07-06

IP Ranges (13)

⬇ export CSV
CIDR Org name Registry Status Confidence
79.172.206.0/24 SIGMANET RIPE ASSIGNED PA ● low
79.172.217.0/24 SIGMANET RIPE ASSIGNED PA ● low
79.172.237.0/24 SIGMANET RIPE ASSIGNED PA ● low
87.229.98.0/23 SIGMANET RIPE ASSIGNED PA ● low
87.229.102.0/24 SIGMANET RIPE ASSIGNED PA ● low
109.161.57.0/27 SigmaNet RIPE ASSIGNED PA ● low
124.30.17.144/28 SIGMANET APNIC ASSIGNED NON-PORTABLE ● low
124.30.17.144 – 124.30.17.155 SIGMANET APNIC ASSIGNED NON-PORTABLE ● low
178.238.221.0/24 SIGMANET RIPE ASSIGNED PA ● low
178.238.223.0/24 SIGMANET RIPE ASSIGNED PA ● low
213.181.222.0/24 SIGMANET RIPE ASSIGNED PA ● low
217.144.61.0/24 SIGMANET RIPE ASSIGNED PA ● low
2a02:730:1::/48 SIGMANET RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (13 of 13)
Possible discrepancies (1)

These blocks are registered to Sigma Net 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.

178.238.221.0/24 /24 authorized for AS5483 — Magyar Telekom Plc.

NIC Handles

AS5483-MNT DENINET-MNT DUMY-RIPE DUMY-RIPE HS51-AP HS51-AP MAINT-IN-IRINN MAINT-IN-SIFY YARTEL-MNT