164.100.146.21 (mail.wb.gov.in)
| Announced By | ||
|---|---|---|
| Origin AS | Announcement | Description |
| AS4758 | 164.100.0.0/16   | National Informatics Centre |
| AS4758 | 164.100.128.0/17 | National Informatics Centre |
| AS4758 | 164.100.128.0/19 | National Informatics Centre |
| AS4758 | 164.100.144.0/20 | National Informatics Centre |
| AS55824 | 164.100.146.0/24 | NKN Core Network |
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