SYNOPSYS INTERNATIONAL LIMITED
Synopsys Inc.
LEI
CYC2TOG7H5PXZALO9Z78
Registered name
SYNOPSYS INTERNATIONAL LIMITED
Jurisdiction
Ultimate parent
SYNOPSYS, INC.
QG7T915N9S0NY5UKNE63
Cluster stats
| Netblocks | 47 |
| All fragments | 57 blocks across 7 clusters |
| Cluster ID | 191593445 |
| Registry | APNIC |
| Owner jurisdiction | IE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Legal identity | LEI CYC2TOG7H5PXZALO9Z78 |
| Shared handles | clustered on 31 shared RIR contact/maintainer handles |
| Registry names | 9 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (47)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 146.225.0.0/16 | Synopsys Inc. | ARIN | ● high | |
| 149.117.0.0/16 | Synopsys Inc. | ARIN | ● high | |
| 149.117.1.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.4.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.7.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.56.0/23 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.56.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.72.0/21 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.73.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.74.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.75.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.76.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.79.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.87.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.92.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.92.0/23 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.93.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.96.0/22 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.96.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.98.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.132.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.132.0/22 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.133.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.134.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.136.0/23 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.136.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.137.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.147.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 149.117.223.0/24 | Synopsys | BGP | ANNOUNCED | ● high |
| 149.117.224.0/22 | Synopsys | BGP | ANNOUNCED | ● high |
| 149.117.224.0/24 | Synopsys | BGP | ANNOUNCED | ● high |
| 149.117.225.0/24 | Synopsys | BGP | ANNOUNCED | ● high |
| 149.117.226.0/24 | Synopsys | BGP | ANNOUNCED | ● high |
| 192.104.24.0/24 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 198.182.32.0/19 | Synopsys Inc. | ARIN | ● high | |
| 198.182.50.0/24 | Synopsys | BGP | ANNOUNCED | ● high |
| 198.182.50.0/23 | Synopsys | BGP | ANNOUNCED | ● high |
| 198.182.51.0/24 | Synopsys | BGP | ANNOUNCED | ● high |
| 204.10.84.0/22 | Synopsys Inc. | BGP | ANNOUNCED | ● high |
| 81.138.89.16/29 | Synopsys | RIPE | ASSIGNED PA | ● low |
| 91.143.70.152/29 | Synopsys | RIPE | ASSIGNED PA | ● low |
| 109.68.120.0/27 | SYNOPSYS-AM | RIPE | ASSIGNED PA | ● low |
| 193.240.221.224/28 | SYNOPSYS-INC | RIPE | ASSIGNED PA | ● low |
| 213.19.218.112/29 | Synopsys-Inc | RIPE | ASSIGNED PA | ● low |
| 213.249.117.232/29 | Synopsys-Inc | RIPE | ASSIGNED PA | ● low |
| 2400:b3c0::/32 | Synopsys | APNIC | ALLOCATED PORTABLE | ● low |
| 2a0c:d400::/29 | Synopsys GmbH | RIPE | ALLOCATED-BY-RIR | ● low |
Network trust
what's this?
RPKI hygiene: F
how networks compare →
12.8%
of checked blocks have valid RPKI ROA coverage
(6 of 47)
No discrepancies found among checked blocks.
NIC Handles
AB34802-RIPE
APNIC-HM
AS10209
AS23351
AS2373-AP
AS24539
AS26791
AS397635
AS53465
AS7809
AS8226-MNT
BT217-AP
+19 more