Cristian Tudor Marcus
BGP inherited
Cluster stats
| Netblocks | 46 · 311 IPv4 addresses |
| Registered in | United States (4) · Spain (3) · France (2) · AG (1) · Israel (1) · Netherlands (1) |
| Cluster ID | 213438179 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 19 shared RIR contact/maintainer handles |
| Registry names | 5 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
6 weekly snapshots · JSON
46
+33 netblocks since 2026-07-05
2026-07-05
peak 46
2026-07-26
IP Ranges (46)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 5.175.165.0/24 | Cristian Tudor Marcus | BGP | ANNOUNCED | ● high |
| 176.31.132.72/30 | Cristian V. | RIPE | ASSIGNED PA | ● high |
| 2a0b:4e07:4c::/48 | Cristian Tudor Marcus | BGP | ANNOUNCED | ● high |
| 2a0b:4e07:4d::/48 | Cristian Tudor Marcus | BGP | ANNOUNCED | ● high |
| 2a0b:4e07:4e::/48 | Cristian Tudor Marcus | BGP | ANNOUNCED | ● high |
| 2a0b:4e07:4f::/48 | Cristian Tudor Marcus | BGP | ANNOUNCED | ● high |
| 2a0f:85c1:8ba::/48 | Cristian Tudor Marcus | BGP | ANNOUNCED | ● high |
| 2a13:c8c4:f100::/40 | Cristian Tudor Marcus | BGP | ANNOUNCED | ● high |
| 91.213.211.74/32 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 149.112.29.85/32 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 149.112.50.83/32 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 149.112.60.74/32 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 178.18.237.94/32 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 185.1.14.190/32 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 185.1.184.195/32 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 195.60.92.94/32 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2001:504:125:e0::85/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2001:504:125:e1::83/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2001:504:125:e2::74/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2001:7f8:ca:1:0:21:4205:1/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2001:7f8:d0::3:44bd:1/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2001:7f8:12e::21:4205:1/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2001:7f8:134::c1/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2001:7f8:17d::74/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2602:f92a:1315:2::a0/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2602:f93b:1a35:1311::94/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2a03:5f80:4:2::237:94/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2a0e:8f01:1000:11::208/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2a0e:8f01:1000:11::218/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2a0e:8f01:1000:13::123/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2a0e:8f01:1000:14::14b/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2a0e:8f01:1000:16::14f/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2a0e:8f01:1000:19::10f/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2a0e:8f01:1000:24::137/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2a0e:8f01:1000:25::130/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2a0e:8f01:1000:46::199/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 2a0e:8f01:1000:64::10a/128 | Cristian Tudor Marcus | PEERINGDB | ASSIGNED | ● medium |
| 194.224.78.184/29 | CRISTIAN_LAY | RIPE | ASSIGNED PA | ● low |
| 195.76.41.64/27 | CRISTIAN_LAY | RIPE | ASSIGNED PA | ● low |
| 195.76.41.96/28 | CRISTIAN_LAY | RIPE | ASSIGNED PA | ● low |
| 2a06:1283:8901::/48 | Cristian Tudor Marcus | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a0b:4e07:4c::/46 | Cristian Tudor Marcus | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a0f:85c1:8ba::/48 | Cristian Tudor Marcus | RIPE | ASSIGNED | ● low |
| 2a10:fa82:f100::/40 | Cristian Tudor Marcus | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a14:7583:2b00::/42 | Cristian Tudor Marcus | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a14:7585:9000::/44 | Cristian Tudor Marcus | RIPE | ALLOCATED-BY-LIR | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
50.0%
of checked blocks have valid RPKI ROA coverage
(23 of 46)
Possible discrepancies (2)
These blocks are registered to Cristian Tudor Marcus but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a10:fa82:f100::/40 /40 | authorized for AS205941 — Lungu Stefan Gabriel |
| 5.175.165.0/24 /24 | authorized for AS62904 — Eonix Corporation |
NIC Handles
AS214205
AS214205
AS62904
DUMY-RIPE
DUMY-RIPE
GHOSTNET-MNT
HOP179-MNT
ICA28-RIPE
INFERNO-MNT
LSG63-RIPE
MAINT-AS3352
ORG-CTM2-RIPE
+7 more