Value,ID Type,References
0,RESERVED,[RFC2407]
1,ID_IPV4_ADDR,[RFC2407]
2,ID_FQDN,[RFC2407]
3,ID_USER_FQDN,[RFC2407]
4,ID_IPV4_ADDR_SUBNET,[RFC2407]
5,ID_IPV6_ADDR,[RFC2407]
6,ID_IPV6_ADDR_SUBNET,[RFC2407]
7,ID_IPV4_ADDR_RANGE,[RFC2407]
8,ID_IPV6_ADDR_RANGE,[RFC2407]
9,ID_DER_ASN1_DN,[RFC2407]
10,ID_DER_ASN1_GN,[RFC2407]
11,ID_KEY_ID,[RFC2407]
12,ID_LIST,[RFC3554]
13-248,Unassigned,
249-255,Reserved for private use,