SDU-NET
Data as of 2026-10-18
BGP inherited
This organisation
| Netblocks | 9 · 3,376 IPv4 addresses |
| IPv6 | 1 prefix (largest 2001:a98:120::/48) |
| Registered in | Turkey (6) · Netherlands (2) |
| Also registered under this name | 10 netblocks across 2 separate records |
| Record ID | 251360583 |
| Registry | RIPE |
| Customers | see who runs inside 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 · report an issue | |
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 |
IPv6 ranges (1)
| CIDR |
|---|
| 2001:a98:120::/48 |
Footprint over time
17 weekly snapshots · JSON
9
0 netblocks since 2026-07-05
2026-07-05
peak 9
2026-10-18
Other domains hosted in this network
what's this?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