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IANA ID blocks
10 IANA ID blocks
| Block | Registrars |
|---|
| IANA IDs 4,000–4,999 | 891 |
| IANA IDs 2,000–2,999 | 727 |
| IANA IDs 1,000–1,999 | 726 |
| IANA IDs 3,000–3,999 | 707 |
| IANA IDs 750–999 | 118 |
| IANA IDs 500–749 | 60 |
| IANA IDs 1–249 | 54 |
| IANA IDs 250–499 | 41 |
| IANA IDs 10,000–10,999 | 1 |
| IANA IDs 9,000–9,999 | 1 |