SDU-NET
BGP inherited
Cluster stats
| Netblocks | 9 · 3,368 IPv4 addresses |
| Registered in | Turkey (6) · Netherlands (2) |
| All fragments | 10 blocks across 2 clusters |
| Cluster ID | 208826824 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 4 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
9
0 netblocks since 2026-07-05
2026-07-05
peak 9
2026-07-19
IP Ranges (9)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 83.167.199.0/27 | SDU | RIPE | ASSIGNED PA | ● low |
| 83.167.199.32/28 | SDU | RIPE | ASSIGNED PA | ● low |
| 193.140.101.0/24 | SDU-NET | RIPE | ASSIGNED PA | ● low |
| 193.140.135.0/24 | SDU-NET | RIPE | ASSIGNED PA | ● low |
| 193.140.176.0/23 | SDU-NET | RIPE | ASSIGNED PA | ● low |
| 193.140.178.0/24 | SDU-NET | RIPE | ASSIGNED PA | ● low |
| 193.140.181.0/24 | SDU-NET | RIPE | ASSIGNED PA | ● low |
| 193.255.208.0 – 193.255.214.255 | SDU-NET | RIPE | ASSIGNED PA | ● low |
| 2001:a98:120::/48 | SDU-NET | RIPE | ASSIGNED | ● low |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “SDU” — often
per-country or per-system registrations of the same brand, occasionally a different
organisation sharing the name. Not counted in this organisation's own footprint.
- SDU-ELEC 1 blocks
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(9 of 9)
Possible discrepancies (7)
These blocks are registered to SDU-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.
| 2001:a98:120::/48 /48 | authorized for AS8517 — National Academic Network and Information Center |
| 193.255.208.0 – 193.255.214.255 /21 | authorized for AS8517 — National Academic Network and Information Center |
| 193.140.176.0/23 /23 | authorized for AS8517 — National Academic Network and Information Center |
| 193.140.181.0/24 /24 | authorized for AS8517 — National Academic Network and Information Center |
| 193.140.135.0/24 /24 | authorized for AS8517 — National Academic Network and Information Center |
| 193.140.178.0/24 /24 | authorized for AS8517 — National Academic Network and Information Center |
| 193.140.101.0/24 /24 | authorized for AS8517 — National Academic Network and Information Center |
NIC Handles
DUMY-RIPE
DUMY-RIPE
TNF-MNT
ULAKNET-MNT