RATIONAL Aktiengesellschaft
Rational AG
LEI
529900K139N6UFJ1A758
Registered name
RATIONAL Aktiengesellschaft
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 21 |
| All fragments | 37 blocks across 13 clusters |
| Cluster ID | 191599174 |
| Registry | BGP |
| Owner jurisdiction | DE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Legal identity | LEI 529900K139N6UFJ1A758 |
| Shared handles | clustered on 14 shared RIR contact/maintainer handles |
| Registry names | 8 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (21)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 185.101.112.0/22 | Rational AG | BGP | ANNOUNCED | ● high |
| 185.101.113.0/24 | Rational AG | BGP | ANNOUNCED | ● high |
| 185.101.114.0/24 | Rational AG | BGP | ANNOUNCED | ● high |
| 185.101.115.0/24 | Rational AG | BGP | ANNOUNCED | ● high |
| 2a0a:dc80::/29 | Rational AG | BGP | ANNOUNCED | ● high |
| 62.52.42.24/30 | RATIONAL | RIPE | ASSIGNED PA | ● low |
| 62.52.44.240/29 | RATIONAL | RIPE | ASSIGNED PA | ● low |
| 62.53.229.112/28 | RATIONAL | RIPE | ASSIGNED PA | ● low |
| 80.65.13.204/30 | RATIONAL-ES-IX-A | RIPE | ASSIGNED PA | ● low |
| 92.79.73.88/29 | RATIONAL-NET | RIPE | ASSIGNED PA | ● low |
| 149.126.23.140/30 | RATIONAL-LAN | RIPE | ASSIGNED PA | ● low |
| 185.101.112.0/22 | Rational AG | RIPE | ALLOCATED PA | ● low |
| 185.101.112.0/24 | Rational AG | RIPE | ASSIGNED PA | ● low |
| 185.101.113.0/24 | Rational-AG-LL | RIPE | ASSIGNED PA | ● low |
| 185.101.114.0/24 | Rational-AG-LL | RIPE | ASSIGNED PA | ● low |
| 185.101.115.0/24 | Rational-AG-LL | RIPE | ASSIGNED PA | ● low |
| 193.129.98.192/28 | RATIONAL | RIPE | ASSIGNED PA | ● low |
| 213.20.238.16/29 | RATIONAL | RIPE | ASSIGNED PA | ● low |
| 213.122.167.0/27 | RATIONAL-UK | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:cfe2::/48 | RATIONAL-UK | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a0a:dc80::/29 | Rational AG | RIPE | ALLOCATED-BY-RIR | ● low |
Network trust
what's this?
RPKI hygiene: D
how networks compare →
42.9%
of checked blocks have valid RPKI ROA coverage
(9 of 21)
Possible discrepancies (1)
These blocks are registered to Rational AG 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.
| 2a00:2381:cfe2::/48 /48 | authorized for AS2856 — British Telecommunications PLC |
NIC Handles
ARCOR-MNT
AS12666-MNT
AS1849-MNT
AS206597
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
INTERXION-MNT
MDA-Z
OBIT-MNT
ORG-RA531-RIPE
RIPE-NCC-HM-MNT
+2 more