diff --git a/src/ckdb.c b/src/ckdb.c
index 0b842d5f..7de99bf6 100644
--- a/src/ckdb.c
+++ b/src/ckdb.c
@@ -680,6 +680,26 @@ static const tv_t date_begin = { DATE_BEGIN, 0L };
 
 // argv -y - don't run in ckdb mode, just confirm sharesummaries
 static bool confirm_sharesummary;
+
+/* Optional workinfoid range -Y to supply when confirming sharesummaries
+ * N.B. if you specify -Y it will enable -y, so -y isn't also required
+ *
+ * Default (NULL) is to confirm all aged sharesummaries
+ * Default should normally be used every time
+ *  The below options are mainly for debugging or
+ *   a quicker confirm if required due to not running confirms regularly
+ *  TODO: ... once the code includes flagging confirmed sharesummaries
+ * Valid options are:
+ *	bNNN - confirm all workinfoid's from the previous db block before NNN (or 0)
+ *		up to the workinfoid of the 1st db block height equal or after NNN
+ *	wNNN - confirm all workinfoid's from NNN up to the last aged sharesummary
+ *	rNNN-MMM - confirm all workinfoid's from NNN to MMM inclusive
+ */
+static char *confirm_range;
+static int confirm_block;
+static int64_t confirm_range_start;
+static int64_t confirm_range_finish;
+
 // The workinfoid range we are processing
 static int64_t confirm_first_workinfoid;
 static int64_t confirm_last_workinfoid;
@@ -9110,18 +9130,62 @@ static void confirm_reload()
 	K_TREE *sharesummary_workinfoid_save;
 	__maybe_unused K_TREE *sharesummary_save;
 	__maybe_unused K_TREE *workinfo_save;
-	K_ITEM look, *wi_item;
+	K_ITEM look, *wi_item, *wif_item, *wil_item;
+	K_ITEM *b_begin_item, *b_end_item;
 	WORKINFO workinfo;
+	BLOCKS blocks;
 	K_TREE_CTX ctx[1];
 	char buf[DATE_BUFSIZ+1];
 	char *first_reason;
 	char *last_reason;
+	char cd_buf[DATE_BUFSIZ];
+	char first_buf[64], last_buf[64];
 	char *filename;
 	tv_t start;
 	FILE *fp;
 
 // TODO: // abort reload when we get an age after the end of a workinfo after the Xs after the last workinfo before the end
 
+	wif_item = first_in_ktree(workinfo_root, ctx);
+	wil_item = last_in_ktree(workinfo_root, ctx);
+
+	if (!wif_item || !wil_item) {
+		LOGWARNING("%s(): DB contains no workinfo data", __func__);
+		return;
+	}
+
+	tv_to_buf(&(DATA_WORKINFO(wif_item)->createdate),
+		  cd_buf, sizeof(cd_buf));
+	LOGWARNING("%s(): DB first workinfoid %"PRId64" %s",
+		   __func__, DATA_WORKINFO(wif_item)->workinfoid, cd_buf);
+
+	tv_to_buf(&(DATA_WORKINFO(wil_item)->createdate),
+		  cd_buf, sizeof(cd_buf));
+	LOGWARNING("%s(): DB last workinfoid %"PRId64" %s",
+		   __func__, DATA_WORKINFO(wil_item)->workinfoid, cd_buf);
+
+	b_begin_item = first_in_ktree(blocks_root, ctx);
+	b_end_item = last_in_ktree(blocks_root, ctx);
+
+	if (!b_begin_item || !b_end_item)
+		LOGWARNING("%s(): DB contains no blocks :(", __func__);
+	else {
+		tv_to_buf(&(DATA_WORKINFO(b_begin_item)->createdate),
+			  cd_buf, sizeof(cd_buf));
+		LOGWARNING("%s(): DB first block %d/%"PRId64" %s",
+			   __func__,
+			   DATA_BLOCKS(b_begin_item)->height,
+			   DATA_BLOCKS(b_begin_item)->workinfoid,
+			   cd_buf);
+		tv_to_buf(&(DATA_WORKINFO(b_end_item)->createdate),
+			  cd_buf, sizeof(cd_buf));
+		LOGWARNING("%s(): DB last block %d/%"PRId64" %s",
+			   __func__,
+			   DATA_BLOCKS(b_end_item)->height,
+			   DATA_BLOCKS(b_end_item)->workinfoid,
+			   cd_buf);
+	}
+
 	/* The first workinfo we should process
 	 * With no y records we should start from the beginning (0)
 	 * With any y records, we should start from the oldest of: y+1 and a
@@ -9158,6 +9222,71 @@ static void confirm_reload()
 		return;
 	}
 
+	// Do this after above code for checking and so we can use the results
+	if (confirm_range && *confirm_range) {
+		switch(tolower(confirm_range[0])) {
+			case 'b':
+				// First DB record of the block after 'confirm_block-1'
+				blocks.height = confirm_block - 1;
+				STRNCPY(blocks.blockhash, "~");
+				look.data = (void *)(&blocks);
+				b_end_item = find_after_in_ktree(blocks_root, &look, cmp_blocks, ctx);
+				if (!b_end_item) {
+					LOGWARNING("%s(): no DB block height found matching or after %d",
+						   __func__, confirm_block);
+					return;
+				}
+				confirm_last_workinfoid = DATA_BLOCKS(b_end_item)->workinfoid;
+
+				// Now find the last DB record of the previous block
+				blocks.height = DATA_BLOCKS(b_end_item)->height;
+				STRNCPY(blocks.blockhash, " ");
+				look.data = (void *)(&blocks);
+				b_begin_item = find_before_in_ktree(blocks_root, &look, cmp_blocks, ctx);
+				if (!b_begin_item)
+					confirm_first_workinfoid = 0;
+				else {
+					// First DB record of the block after 'begin-1'
+					blocks.height = DATA_BLOCKS(b_begin_item)->height - 1;
+					STRNCPY(blocks.blockhash, "~");
+					look.data = (void *)(&blocks);
+					b_begin_item = find_after_in_ktree(blocks_root, &look, cmp_blocks, ctx);
+					// Not possible
+					if (!b_begin_item)
+						confirm_first_workinfoid = 0;
+					else
+						confirm_last_workinfoid = DATA_BLOCKS(b_begin_item)->workinfoid;
+				}
+				snprintf(first_buf, sizeof(first_buf),
+					 "block %d",
+					 b_begin_item ? DATA_BLOCKS(b_begin_item)->height : 0);
+				first_reason = first_buf;
+				snprintf(last_buf, sizeof(last_buf),
+					 "block %d",
+					 DATA_BLOCKS(b_end_item)->height);
+				last_reason = last_buf;
+				break;
+			case 'w':
+				confirm_first_workinfoid = confirm_range_start;
+				// last from default
+				if (confirm_last_workinfoid < confirm_first_workinfoid) {
+					LOGWARNING("%s(): no unconfirmed sharesummary records before start",
+						   __func__, buf);
+					return;
+				}
+				first_reason = "start range";
+				break;
+			case 'r':
+				confirm_first_workinfoid = confirm_range_start;
+				confirm_last_workinfoid = confirm_range_finish;
+				first_reason = "start range";
+				last_reason = "end range";
+				break;
+			default:
+				quithere(1, "Code fail");
+		}
+	}
+
 	workinfo.workinfoid = confirm_first_workinfoid + 1;
 	workinfo.expirydate.tv_sec = default_expiry.tv_sec;
 	workinfo.expirydate.tv_usec = default_expiry.tv_usec;
@@ -9229,6 +9358,64 @@ static void confirm_reload()
 static void confirm_summaries()
 {
 	pthread_t log_pt;
+	char *range, *minus;
+
+	// Simple value check to abort early
+	if (confirm_range && *confirm_range) {
+		if (strlen(confirm_range) < 2) {
+			LOGEMERG("%s() invalid confirm range length '%s'", __func__, confirm_range);
+			return;
+		}
+		switch(tolower(confirm_range[0])) {
+			case 'b':
+				confirm_block = atoi(confirm_range+1);
+				if (confirm_block <= 0) {
+					LOGEMERG("%s() invalid confirm block '%s' - must be >0",
+						 __func__, confirm_range);
+					return;
+				}
+				break;
+			case 'w':
+				confirm_range_start = atoll(confirm_range+1);
+				if (confirm_range_start <= 0) {
+					LOGEMERG("%s() invalid confirm start '%s' - must be >0",
+						 __func__, confirm_range);
+					return;
+				}
+			case 'r':
+				range = strdup(confirm_range);
+				minus = strchr(range+1, '-');
+				if (!minus || minus == range+1) {
+					LOGEMERG("%s() invalid confirm range '%s' - must be rNNN-MMM",
+						 __func__, confirm_range);
+					return;
+				}
+				*(minus++) = '\0';
+				confirm_range_start = atoll(range+1);
+				if (confirm_range_start <= 0) {
+					LOGEMERG("%s() invalid confirm start in '%s' - must be >0",
+						 __func__, confirm_range);
+					return;
+				}
+				confirm_range_finish = atoll(minus);
+				if (confirm_range_finish <= 0) {
+					LOGEMERG("%s() invalid confirm finish in '%s' - must be >0",
+						 __func__, confirm_range);
+					return;
+				}
+				if (confirm_range_finish < confirm_range_start) {
+					LOGEMERG("%s() invalid confirm range in '%s' - finish < start",
+						 __func__, confirm_range);
+					return;
+				}
+				free(range);
+				break;
+			default:
+				LOGEMERG("%s() invalid confirm range '%s'",
+					 __func__, confirm_range);
+				return;
+		}
+	}
 
 	logqueue_free = k_new_list("LogQueue", sizeof(LOGQUEUE),
 					ALLOC_LOGQUEUE, LIMIT_LOGQUEUE, true);
@@ -9281,19 +9468,20 @@ static void check_restore_dir()
 }
 
 static struct option long_options[] = {
-	{"config",		required_argument,	0,	'c'},
-	{"dbname",		required_argument,	0,	'd'},
-	{"help",		no_argument,		0,	'h'},
-	{"killold",		no_argument,		0,	'k'},
-	{"loglevel",		required_argument,	0,	'l'},
-	{"name",		required_argument,	0,	'n'},
-	{"dbpass",		required_argument,	0,	'p'},
-	{"ckpool-logdir",	required_argument,	0,	'r'},
-	{"sockdir",		required_argument,	0,	's'},
-	{"dbuser",		required_argument,	0,	'u'},
-	{"version",		no_argument,		0,	'v'},
-	{"confirm",		no_argument,		0,	'y'},
-	{0, 0, 0, 0}
+	{ "config",		required_argument,	0,	'c' },
+	{ "dbname",		required_argument,	0,	'd' },
+	{ "help",		no_argument,		0,	'h' },
+	{ "killold",		no_argument,		0,	'k' },
+	{ "loglevel",		required_argument,	0,	'l' },
+	{ "name",		required_argument,	0,	'n' },
+	{ "dbpass",		required_argument,	0,	'p' },
+	{ "ckpool-logdir",	required_argument,	0,	'r' },
+	{ "sockdir",		required_argument,	0,	's' },
+	{ "dbuser",		required_argument,	0,	'u' },
+	{ "version",		no_argument,		0,	'v' },
+	{ "confirm",		no_argument,		0,	'y' },
+	{ "confirmrange",	required_argument,	0,	'Y' },
+	{ 0, 0, 0, 0 }
 };
 
 int main(int argc, char **argv)
@@ -9313,7 +9501,7 @@ int main(int argc, char **argv)
 	memset(&ckp, 0, sizeof(ckp));
 	ckp.loglevel = LOG_NOTICE;
 
-	while ((c = getopt_long(argc, argv, "c:d:hkl:n:p:r:s:u:vy", long_options, &i)) != -1) {
+	while ((c = getopt_long(argc, argv, "c:d:hkl:n:p:r:s:u:vyY:", long_options, &i)) != -1) {
 		switch(c) {
 			case 'c':
 				ckp.config = strdup(optarg);
@@ -9377,7 +9565,11 @@ int main(int argc, char **argv)
 					*(kill++) = '\0';
 				break;
 			case 'y':
-				// TODO: allow a range e.g. block or workinfo range or ...
+				confirm_sharesummary = true;
+				break;
+			case 'Y':
+				confirm_range = strdup(optarg);
+				// Auto enable it also
 				confirm_sharesummary = true;
 				break;
 		}