SDI

Data as of 2026-09-05
BGP inherited
This organisation
Netblocks14 · 960 IPv4 addresses
IPv6 3 prefixes (largest 2a00:5720:7500::/40)
Registered in France (8) · China (1) · Poland (1) · Sweden (1)
Also registered under this name 127 netblocks across 66 separate records
Record ID232226415
RegistryAPNIC
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 10 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (14)

⬇ export CSV
CIDR Org name Registry Status Confidence
2a01:7a7:2:1f15::/64 SDI RIPE ASSIGNED ● high
185.21.80.0/27 SDI RIPE ASSIGNED PA ● low
185.21.80.32/27 SDI RIPE ASSIGNED PA ● low
185.21.80.64/26 SDI RIPE ASSIGNED PA ● low
185.21.80.128/25 SDI RIPE ASSIGNED PA ● low
185.21.81.0/24 SDI RIPE ASSIGNED PA ● low
185.21.82.0/25 SDI RIPE ASSIGNED PA ● low
185.21.82.128/25 SDI RIPE ASSIGNED PA ● low
185.21.83.128/25 SDI RIPE ASSIGNED PA ● low
212.112.174.176/28 SDI RIPE ASSIGNED PA ● low
213.189.41.128/27 SDI RIPE ASSIGNED PA ● low
218.97.189.240/28 SDI APNIC ASSIGNED NON-PORTABLE ● low
2a00:5720:5d1::/48 SDI RIPE ASSIGNED ● low
2a00:5720:7500::/40 SDI RIPE ASSIGNED ● low

IPv6 ranges (3)

CIDR
2a00:5720:7500::/40
2a00:5720:5d1::/48
2a01:7a7:2:1f15::/64

Footprint over time

10 weekly snapshots · JSON
14 0 netblocks since 2026-07-05
2026-07-05 peak 14 2026-08-30

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (14 of 14)
Possible discrepancies (3)

These blocks are registered to SDI 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.

2a00:5720:7500::/40 /40 authorized for AS61015 — TELCOSIP SAS
2a00:5720:5d1::/48 /48 authorized for AS61015 — TELCOSIP SAS
185.21.81.0/24 /24 authorized for AS61015 — TELCOSIP SAS

NIC Handles

AN3-AP AN3-AP ATMAN-MNT DUMY-RIPE DUMY-RIPE FGK-MNT IP-ONLY-MNT MAINT-CN-ANLAI ORG-SA4341-RIPE SDI-MNT