AS39246
Optical Structural Network Ltd.
BGUnknown2026-07-20
Announced prefixes 50
31.193.189.0/2462.192.132.0/2462.192.133.0/2477.78.128.0/2477.78.129.0/2477.78.131.0/2477.78.132.0/2477.78.133.0/2477.78.134.0/2477.78.135.0/2477.78.136.0/2477.78.137.0/2477.78.138.0/2477.78.139.0/2477.78.140.0/2477.78.141.0/2477.78.142.0/2477.78.143.0/2485.187.204.0/2485.187.205.0/24109.121.129.0/24109.121.130.0/24109.121.131.0/24109.121.132.0/24109.121.148.0/24109.121.149.0/24109.121.150.0/24109.121.151.0/24109.121.154.0/24109.121.155.0/24109.121.156.0/24109.121.157.0/24109.121.158.0/24109.121.164.0/24109.121.165.0/24109.121.167.0/24109.121.168.0/24109.121.169.0/24109.121.170.0/24109.121.171.0/24109.121.176.0/24109.121.177.0/24109.121.178.0/24109.121.179.0/24109.121.184.0/24109.121.185.0/24109.121.186.0/24109.121.187.0/24109.121.188.0/24109.121.189.0/24Snapshot history
| Date | Name | Country | Class | Prefixes |
|---|---|---|---|---|
| 2026-11-14 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-11-13 | Optical Structural Network Ltd. | BG | Unknown | 51 |
| 2026-11-12 | Optical Structural Network Ltd. | BG | Unknown | 51 |
| 2026-11-11 | Optical Structural Network Ltd. | BG | Unknown | 51 |
| 2026-11-10 | Optical Structural Network Ltd. | BG | Unknown | 51 |
| 2026-11-09 | Optical Structural Network Ltd. | BG | Unknown | 51 |
| 2026-11-08 | Optical Structural Network Ltd. | BG | Unknown | 51 |
| 2026-11-07 | Optical Structural Network Ltd. | BG | Unknown | 51 |
| 2026-11-06 | Optical Structural Network Ltd. | BG | Unknown | 51 |
| 2026-11-05 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-11-04 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-11-03 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-11-02 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-11-01 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-31 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-30 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-29 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-28 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-27 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-26 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-25 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-24 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-23 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-22 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-21 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-20 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-19 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-18 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-17 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-16 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-15 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-14 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-13 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-12 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-11 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-10 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-09 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-08 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-07 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-06 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-05 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-04 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-03 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-02 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-10-01 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-30 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-29 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-28 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-27 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-26 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-25 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-24 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-23 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-22 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-21 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-20 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-19 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-18 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-17 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-16 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-15 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-14 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-13 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-12 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-11 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-10 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-09 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-08 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-07 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-06 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-05 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-04 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-03 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-02 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-09-01 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-31 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-30 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-29 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-28 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-27 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-26 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-25 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-24 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-23 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-22 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-21 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-20 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-19 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-18 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-17 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-16 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-15 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-14 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-13 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-12 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-11 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-10 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-09 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-08 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-07 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-06 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-05 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-04 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-03 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-02 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-08-01 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-31 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-30 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-29 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-28 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-27 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-26 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-25 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-24 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-23 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-22 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-21 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-20 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-19 | Optical Structural Network Ltd. | BG | Unknown | 49 |
| 2026-07-18 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-17 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-16 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-15 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-14 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-13 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-12 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-11 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-10 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-09 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-08 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-07 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-06 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-05 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-04 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-03 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-02 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-07-01 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-06-30 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-06-29 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-06-28 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-06-27 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-06-26 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-06-25 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-06-24 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-06-23 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-06-22 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-06-21 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-06-20 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-06-19 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-06-18 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-06-17 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-06-16 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-06-15 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-06-14 | Optical Structural Network Ltd. | BG | Unknown | 50 |
| 2026-06-13 | Optical Structural Network Ltd. | BG | Unknown | 50 |
IP-block changes
Open full filtered history →| Observed | Block | Action | Previous origins | New origins |
|---|---|---|---|---|
| 2026-11-14 | 62.192.133.0/24 | Released | AS39246 | — |
| 2026-11-06 | 85.187.206.0/24 | Acquired | — | AS39246 |
| 2026-07-20 | 62.192.133.0/24 | Acquired | — | AS39246 |
| 2026-07-19 | 62.192.133.0/24 | Released | AS39246 | — |
Changes page 1