View announcements and validity status by autonomous system

Here you can find information on the validity status of the prefixes announced by a specific autonomous system. The announcements collected by the application are grouped by date, prefix, origin AS and along with their classification.

For more information, go to LACNIC Inforedes.

The table shows up to 500 results collected by the application, including last month information.

Date Prefix Origin AS Classification
Apr 30, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 30, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 30, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 30, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 30, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 30, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 30, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 29, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 29, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 29, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 29, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 29, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 29, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 29, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 28, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 28, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 28, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 28, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 28, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 28, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 28, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 27, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 27, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 27, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 27, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 27, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 27, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 27, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 26, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 26, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 26, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 26, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 26, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 26, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 26, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 25, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 25, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 25, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 25, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 25, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 25, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 25, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 24, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 24, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 24, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 24, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 24, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 24, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 24, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 23, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 23, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 23, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 23, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 23, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 23, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 23, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 22, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 22, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 22, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 22, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 22, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 22, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 22, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 21, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 21, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 21, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 21, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 21, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 21, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 21, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 20, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 20, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 20, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 20, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 20, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 20, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 20, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 19, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 19, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 19, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 19, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 19, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 19, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 19, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 18, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 18, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 18, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 18, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 18, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 18, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 18, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 17, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 17, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 17, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 17, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 17, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 17, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 17, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 16, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 16, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 16, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 16, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 16, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 16, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 16, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 15, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA not found
Apr 15, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA not found
Apr 15, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA not found
Apr 15, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA not found
Apr 15, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA not found
Apr 15, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA not found
Apr 15, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA not found
Apr 14, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 14, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 14, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 14, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 14, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 14, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 14, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 13, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 13, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 13, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 13, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 13, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 13, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 13, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 12, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 12, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 12, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 12, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 12, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 12, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 12, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 11, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 11, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 11, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 11, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 11, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 11, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 11, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 10, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 10, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 10, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 10, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 10, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 10, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 10, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 9, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 9, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 9, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 9, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 9, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 9, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 9, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 8, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 8, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 8, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 8, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 8, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 8, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 8, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 7, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 7, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 7, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 7, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 7, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 7, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 7, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 6, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 6, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 6, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 6, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 6, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 6, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 6, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 5, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 5, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 5, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 5, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 5, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 5, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 5, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 4, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 4, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 4, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 4, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 4, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 4, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 4, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 3, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 3, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 3, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 3, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 3, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 3, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 3, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 2, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 2, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 2, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 2, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 2, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 2, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 2, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 1, 2025 192.145.216.0/22 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 1, 2025 192.145.216.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 1, 2025 192.145.217.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 1, 2025 192.145.218.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 1, 2025 192.145.219.0/24 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 1, 2025 2804:3c90:800::/38 ASN 266220 - RFS Tecnologia LTDA IRR-valid
Apr 1, 2025 2804:3c90::/32 ASN 266220 - RFS Tecnologia LTDA IRR-valid