| # | Date | Res | Prefix(es) | From | To | Units | Nets | Tags | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2016-02-26 | IPV4 | ⊂ 195.192.252.0/24 | RIPE Styrelsen for it og laering |
→ | RIPEAlexander Siebnich | 256 addr | 1 | PA |
| 2 | 2016-05-19 | IPV4 | 217.61.255.0/24 | RIPEStyrelsen for it og laering |
→ | RIPEAlexander Siebnich | 256 addr | 1 | PA |
| 3 | 2016-11-22 | IPV4 | ⊂ 212.237.254.0/24 | RIPEStyrelsen for it og laering |
→ | RIPEAlexander Siebnich | 256 addr | 1 | PA |
| 4 | 2017-02-13 | IPV4 | ⊂ 195.181.254.0/24 | RIPEStyrelsen for it og laering |
→ | RIPEAlexander Siebnich | 256 addr | 1 | PA |
| 5 | 2017-04-21 | IPV4 | ⊂ 80.208.255.0/24 | RIPEStyrelsen for it og laering |
→ | RIPEAlexander Siebnich | 256 addr | 1 | PA |
| 6 | 2018-03-27 | IPV4 | ⊂ 94.177.133.0/24 | RIPE XT GLOBAL NETWORKS LTD. |
→ | RIPEAlexander Siebnich | 256 addr | 1 | PA |
| 7 | 2018-08-15 | IPV4 | 46.102.102.0/24 | RIPEXT GLOBAL NETWORKS LTD. |
→ | RIPEAlexander Siebnich | 256 addr | 1 | PA |
| 8 | 2018-11-22 | IPV4 | 31.14.29.0/24 | RIPE IPv4 Management SRL |
→ | RIPEAlexander Siebnich | 256 addr | 1 | PA |
| 9 | 2019-02-27 | IPV4 | 31.14.30.0/24 | RIPEIPv4 Management SRL |
→ | RIPEAlexander Siebnich | 256 addr | 1 | PA |
| 10 | 2019-05-21 | IPV4 | 185.186.116.0/22 | RIPE HostSlim B.V. |
→ | RIPEAlexander Siebnich | 1 024 addr | 1 | PA |
| 11 | 2019-07-02 | IPV4 | 178.157.95.0/24 | RIPENAV COMMUNICATIONS SRL |
→ | RIPEAlexander Siebnich | 256 addr | 1 | PA |
| 12 | 2019-10-11 | IPV4 | 185.207.240.0/22 | RIPE LLC WEBBER |
→ | RIPEAlexander Siebnich | 1 024 addr | 1 | PA |
| 13 | 2020-10-13 | IPV4 | 103.197.8.0/22 | APNICAlexander Siebnich trading as siebnich.com - it.competence! e.K via RIPE | → | RIPEAlexander Siebnich | 1 024 addr | 1 | In |
| 14 | 2020-12-24 | IPV4 | 212.103.52.0/22 | RIPERalph Karseboom |
→ | RIPEAlexander Siebnich | 1 024 addr | 1 | PA |
| 15 | 2021-03-10 | IPV4 | 185.36.112.0/22 | RIPERalph Karseboom |
→ | RIPEAlexander Siebnich | 1 024 addr | 1 | PA |
| 16 | 2022-02-17 | IPV4 | 195.5.96.0/23 | RIPES.C. SMART IT NETWORKS S.R.L | → | RIPEAlexander Siebnich | 512 addr | 1 | PA |
| 17 | 2022-08-22 | IPV4 | ⊂ 5.182.107.0/24 | RIPECONTRUST SOLUTIONS S.R.L. | → | RIPEAlexander Siebnich | 256 addr | 1 | PA |