Julius Birkhofen
BGP inherited
Cluster stats
| Netblocks | 13 |
| All fragments | 121 blocks across 53 clusters |
| Cluster ID | 191630537 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 16 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 |
|---|---|---|---|---|
| 2001:7f8:ca:1:0:19:7438:1/128 | Julius Birkhofen | PEERINGDB | ASSIGNED | ● high |
| 2a05:4140:2200::/40 | Julius Birkhofen | BGP | ANNOUNCED | ● high |
| 2a0c:9a40:8580::/44 | Julius Birkhofen | BGP | ANNOUNCED | ● high |
| 2a0e:8f01:1000:11::15a/128 | Julius Birkhofen | PEERINGDB | ASSIGNED | ● high |
| 2a0e:8f01:1000:24::189/128 | Julius Birkhofen | PEERINGDB | ASSIGNED | ● high |
| 2a0e:8f01:1000:46::186/128 | Julius Birkhofen | PEERINGDB | ASSIGNED | ● high |
| 2a0e:b107:b15::/48 | Julius Birkhofen | RIPE | ASSIGNED | ● high |
| 2a0f:9400:611e::/48 | Julius Birkhofen | BGP | ANNOUNCED | ● high |
| 2a05:4140:2200::/40 | Julius Birkhofen | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a0c:9a40:8580::/44 | Julius Birkhofen | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a0f:9400:611e::/48 | Julius Birkhofen | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a14:7c0:3000::/40 | Julius Birkhofen | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a14:7c0:3200::/40 | Julius Birkhofen | RIPE | ALLOCATED-BY-LIR | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
61.5%
of checked blocks have valid RPKI ROA coverage
(8 of 13)
Possible discrepancies (1)
These blocks are registered to Julius Birkhofen 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.
| 2a14:7c0:3000::/40 /40 | authorized for AS197464 — Oguz Ozturk trading as ARGE ICT |
NIC Handles
AS197438
AS197438
DUMY-RIPE
DUMY-RIPE
FRC2-MNT
FRC2-MNT
JBPRIV-MNT
JBPRIV-MNT
ORG-BIJB1-RIPE
ORG-JB146-RIPE
SBMT
ZENOTRIX-MNT
+4 more