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# CIDR Block

<table><thead><tr><th data-type="content-ref">Operation</th><th>Description</th></tr></thead><tbody><tr><td><a href="/api-reference/zec/cidr-block/describepools.md">DescribePools</a></td><td>Queries the public IP pool list</td></tr><tr><td><a href="/api-reference/zec/cidr-block/describecidrregions.md">DescribeCidrRegions</a></td><td>Queries the regional information supporting the sale of CIDR blocks</td></tr><tr><td><a href="/api-reference/zec/cidr-block/describecidrprice.md">DescribeCidrPrice</a></td><td>Inquires the price of an IPv4 CIDR block</td></tr><tr><td><a href="/api-reference/zec/cidr-block/describecidrs.md">DescribeCidrs</a></td><td>Queries the information of one or more specified CIDR blocks</td></tr><tr><td><a href="/api-reference/zec/cidr-block/createcidr.md">CreateCidr</a></td><td>Creates a CIDR block</td></tr><tr><td><a href="/api-reference/zec/cidr-block/modifycidrattribute.md">ModifyCidrAttribute</a></td><td>Modifies the attributes of a CIDR block</td></tr><tr><td><a href="/api-reference/zec/cidr-block/deletecidr.md">DeleteCidr</a></td><td>Deletes a CIDR block</td></tr><tr><td><a href="/api-reference/zec/cidr-block/deletecidrs.md">DeleteCidrs</a></td><td>Deletes one or more CIDR blocks</td></tr><tr><td><a href="/api-reference/zec/cidr-block/renewipv6cidr.md">RenewIpv6Cidr</a></td><td>Restores an IPv6 CIDR block</td></tr><tr><td><a href="/api-reference/zec/cidr-block/describeipv6cidrs.md">DescribeIpv6Cidrs</a></td><td>Queries the IPv6 CIDR block list</td></tr><tr><td><a href="/api-reference/zec/cidr-block/deleteipv6cidr.md">DeleteIpv6Cidr</a></td><td>Deletes an IPv6 CIDR block</td></tr><tr><td><a href="/api-reference/zec/cidr-block/renewcidr.md">RenewCidr</a></td><td>Restores a CIDR block</td></tr><tr><td><a href="/api-reference/zec/cidr-block/createbyoip.md">CreateByoip</a></td><td>Creates a BYOIP</td></tr><tr><td><a href="/api-reference/zec/cidr-block/describebyoipregions.md">DescribeByoipRegions</a></td><td>Queries the list of regions where BYOIP is available</td></tr><tr><td><a href="/api-reference/zec/cidr-block/describebyoipprice.md">DescribeByoipPrice</a></td><td>Inquires the BYOIP price</td></tr></tbody></table>