diff --git a/packages/indexer-cli/src/actions.ts b/packages/indexer-cli/src/actions.ts
index 7b5790271..c70e42d90 100644
--- a/packages/indexer-cli/src/actions.ts
+++ b/packages/indexer-cli/src/actions.ts
@@ -10,7 +10,7 @@ import {
   nullPassThrough,
   OrderDirection,
   parseBoolean,
-  validateNetworkIdentifier,
+  validateSupportedNetworkIdentifier,
 } from '@graphprotocol/indexer-common'
 import { validatePOI, validateRequiredParams } from './command-helpers'
 import gql from 'graphql-tag'
@@ -215,7 +215,7 @@ const ACTION_PARAMS_PARSERS: Record<keyof ActionUpdateInput, (x: never) => any>
   type: x => validateActionType(x),
   status: x => validateActionStatus(x),
   reason: nullPassThrough,
-  protocolNetwork: x => validateNetworkIdentifier(x),
+  protocolNetwork: x => validateSupportedNetworkIdentifier(x),
 }
 
 /**
diff --git a/packages/indexer-cli/src/command-helpers.ts b/packages/indexer-cli/src/command-helpers.ts
index 2d8b1aef8..0b6d0a48b 100644
--- a/packages/indexer-cli/src/command-helpers.ts
+++ b/packages/indexer-cli/src/command-helpers.ts
@@ -36,7 +36,10 @@ export enum OutputFormat {
 import yaml from 'yaml'
 import { GluegunParameters, GluegunPrint } from 'gluegun'
 import { utils } from 'ethers'
-import { validateNetworkIdentifier } from '@graphprotocol/indexer-common'
+import {
+  validateNetworkIdentifier,
+  validateSupportedNetworkIdentifier,
+} from '@graphprotocol/indexer-common'
 
 export const fixParameters = (
   parameters: GluegunParameters,
@@ -237,7 +240,7 @@ export function extractProtocolNetworkOption(
   const input = (network ?? n) as string
 
   try {
-    return validateNetworkIdentifier(input)
+    return validateSupportedNetworkIdentifier(input)
   } catch (parseError) {
     throw new Error(`Invalid value for the option '--network'. ${parseError}`)
   }
@@ -251,3 +254,37 @@ export function requireProtocolNetworkOption(options: { [key: string]: any }): s
   }
   return protocolNetwork
 }
+
+export function extractSyncingNetworkOption(
+  options: {
+    [key: string]: any
+  },
+  required = false,
+): string | undefined {
+  const { s, syncing } = options
+
+  // Tries to extract the --network option from Gluegun options.
+  // Throws if required is set to true and the option is not found.
+  if (!s && !syncing) {
+    if (required) {
+      throw new Error("The option '--syncing' is required")
+    } else {
+      return undefined
+    }
+  }
+
+  // Check for invalid usage
+  const allowedUsages =
+    (s === undefined && typeof syncing === 'string') ||
+    (syncing === undefined && typeof s === 'string')
+  if (!allowedUsages) {
+    throw new Error("Invalid usage of the option '--network'")
+  }
+  const input = (syncing ?? s) as string
+
+  try {
+    return validateNetworkIdentifier(input)
+  } catch (parseError) {
+    throw new Error(`Invalid value for the option '--syncing'. ${parseError}`)
+  }
+}
diff --git a/packages/indexer-cli/src/commands/indexer/actions/get.ts b/packages/indexer-cli/src/commands/indexer/actions/get.ts
index ce73d2740..1b8e0fb24 100644
--- a/packages/indexer-cli/src/commands/indexer/actions/get.ts
+++ b/packages/indexer-cli/src/commands/indexer/actions/get.ts
@@ -14,6 +14,7 @@ import {
   fixParameters,
   printObjectOrArray,
   extractProtocolNetworkOption,
+  extractSyncingNetworkOption,
 } from '../../../command-helpers'
 import { fetchAction, fetchActions } from '../../../actions'
 
@@ -23,6 +24,7 @@ ${chalk.dim('Options:')}
 
   -h, --help                                                        Show usage information
   -n, --network                                                     Filter by protocol network (mainnet, arbitrum-one, sepolia, arbitrum-sepolia)
+  -s, --syncing                                                     Filter by the syncing network (see https://thegraph.com/networks/ for supported networks) 
       --type    allocate|unallocate|reallocate|collect              Filter by type
       --status  queued|approved|pending|success|failed|canceled     Filter by status
       --source <source>                                             Fetch only actions queued by a specific source
@@ -37,6 +39,7 @@ ${chalk.dim('Options:')}
 const actionFields: (keyof Action)[] = [
   'id',
   'protocolNetwork',
+  'syncingNetwork',
   'type',
   'deploymentID',
   'allocationID',
@@ -51,7 +54,7 @@ const actionFields: (keyof Action)[] = [
   'reason',
 ]
 
-/// Validates input for the `--fieds` option.
+/// Validates input for the `--fields` option.
 function validateFields(fields: string | undefined): (keyof Action)[] {
   if (fields === undefined) {
     return []
@@ -95,10 +98,8 @@ module.exports = {
     let orderByParam = ActionParams.ID
     let orderDirectionValue = OrderDirection.DESC
     const outputFormat = o || output || 'table'
-
-    const protocolNetwork: string | undefined = extractProtocolNetworkOption(
-      parameters.options,
-    )
+    let protocolNetwork: string | undefined = undefined
+    let syncingNetwork: string | undefined = undefined
 
     if (help || h) {
       inputSpinner.stopAndPersist({ symbol: '💁', text: HELP })
@@ -106,6 +107,10 @@ module.exports = {
     }
     let selectedFields: (keyof Action)[]
     try {
+      protocolNetwork = extractProtocolNetworkOption(parameters.options)
+
+      syncingNetwork = extractSyncingNetworkOption(parameters.options)
+
       if (!['json', 'yaml', 'table'].includes(outputFormat)) {
         throw Error(
           `Invalid output format "${outputFormat}" must be one of ['json', 'yaml' or 'table']`,
@@ -195,6 +200,7 @@ module.exports = {
             source,
             reason,
             protocolNetwork,
+            syncingNetwork,
           },
           first,
           orderByParam,
@@ -213,9 +219,10 @@ module.exports = {
       )
 
       // Format Actions 'protocolNetwork' field to display human-friendly chain aliases instead of CAIP2-IDs
-      actions.forEach(
-        action => (action.protocolNetwork = resolveChainAlias(action.protocolNetwork)),
-      )
+      actions.forEach(action => {
+        action.protocolNetwork = resolveChainAlias(action.protocolNetwork)
+        action.syncingNetwork = resolveChainAlias(action.syncingNetwork)
+      })
 
       printObjectOrArray(print, outputFormat, actions, displayProperties)
     } catch (error) {
diff --git a/packages/indexer-cli/src/commands/indexer/allocations/close.ts b/packages/indexer-cli/src/commands/indexer/allocations/close.ts
index 796493939..06b5a93d4 100644
--- a/packages/indexer-cli/src/commands/indexer/allocations/close.ts
+++ b/packages/indexer-cli/src/commands/indexer/allocations/close.ts
@@ -5,7 +5,7 @@ import { loadValidatedConfig } from '../../../config'
 import { createIndexerManagementClient } from '../../../client'
 import { closeAllocation } from '../../../allocations'
 import { validatePOI, printObjectOrArray } from '../../../command-helpers'
-import { validateNetworkIdentifier } from '@graphprotocol/indexer-common'
+import { validateSupportedNetworkIdentifier } from '@graphprotocol/indexer-common'
 
 const HELP = `
 ${chalk.bold('graph indexer allocations close')} [options] <network> <id> <poi>
@@ -63,7 +63,7 @@ module.exports = {
       return
     } else {
       try {
-        protocolNetwork = validateNetworkIdentifier(network)
+        protocolNetwork = validateSupportedNetworkIdentifier(network)
       } catch (error) {
         spinner.fail(`Invalid value for argument 'network': '${network}' `)
         process.exitCode = 1
diff --git a/packages/indexer-cli/src/commands/indexer/allocations/collect.ts b/packages/indexer-cli/src/commands/indexer/allocations/collect.ts
index 4730988d2..6a95015dc 100644
--- a/packages/indexer-cli/src/commands/indexer/allocations/collect.ts
+++ b/packages/indexer-cli/src/commands/indexer/allocations/collect.ts
@@ -4,7 +4,7 @@ import chalk from 'chalk'
 import { loadValidatedConfig } from '../../../config'
 import { createIndexerManagementClient } from '../../../client'
 import { submitCollectReceiptsJob } from '../../../allocations'
-import { validateNetworkIdentifier } from '@graphprotocol/indexer-common'
+import { validateSupportedNetworkIdentifier } from '@graphprotocol/indexer-common'
 
 const HELP = `
 ${chalk.bold('graph indexer allocations collect')} [options] <network> <id>
@@ -60,7 +60,7 @@ module.exports = {
       return
     } else {
       try {
-        protocolNetwork = validateNetworkIdentifier(network)
+        protocolNetwork = validateSupportedNetworkIdentifier(network)
       } catch (error) {
         spinner.fail(`Invalid value for argument 'network': '${network}' `)
         process.exitCode = 1
diff --git a/packages/indexer-cli/src/commands/indexer/allocations/create.ts b/packages/indexer-cli/src/commands/indexer/allocations/create.ts
index 6986bfbe2..659ce2393 100644
--- a/packages/indexer-cli/src/commands/indexer/allocations/create.ts
+++ b/packages/indexer-cli/src/commands/indexer/allocations/create.ts
@@ -8,7 +8,7 @@ import { createAllocation } from '../../../allocations'
 import {
   processIdentifier,
   SubgraphIdentifierType,
-  validateNetworkIdentifier,
+  validateSupportedNetworkIdentifier,
 } from '@graphprotocol/indexer-common'
 import { printObjectOrArray } from '../../../command-helpers'
 
@@ -64,7 +64,7 @@ module.exports = {
 
       // This nested try block is necessary to complement the parsing error with the 'network' field.
       try {
-        validateNetworkIdentifier(protocolNetwork)
+        validateSupportedNetworkIdentifier(protocolNetwork)
       } catch (parsingError) {
         throw new Error(`Invalid 'network' provided. ${parsingError}`)
       }
diff --git a/packages/indexer-common/src/parsers/basic-types.ts b/packages/indexer-common/src/parsers/basic-types.ts
index 68b945b5e..15b43e0c2 100644
--- a/packages/indexer-common/src/parsers/basic-types.ts
+++ b/packages/indexer-common/src/parsers/basic-types.ts
@@ -20,14 +20,18 @@ export const url = P.regex(/^https?:.*/)
 
 // Source: https://github.com/ChainAgnostic/CAIPs/blob/master/CAIPs/caip-2.md
 export const caip2IdRegex = /^[-a-z0-9]{3,8}:[-_a-zA-Z0-9]{1,32}$/
-const caip2Id = P.regex(caip2IdRegex).chain(validateNetworkIdentifier)
+const caip2Id = P.regex(caip2IdRegex)
+const supportedCaip2Id = P.regex(caip2IdRegex).chain(validateNetworkIdentifier)
 
 // A valid human friendly network name / alias.
-const networkAlias = P.regex(/[a-z-]+/).chain(validateNetworkIdentifier)
+const networkAlias = P.regex(/[a-z-]+/)
+const supportedNetworkAlias = P.regex(/[a-z-]+/).chain(validateNetworkIdentifier)
 
 // Either a CAIP-2 or an alias.
 export const networkIdentifier = P.alt(caip2Id, networkAlias)
 
+export const supportedNetworkIdentifier = P.alt(supportedCaip2Id, supportedNetworkAlias)
+
 // A basic `base58btc` parser for CIDv0 (IPFS Hashes)
 export const base58 = P.regex(/^Qm[1-9A-HJ-NP-Za-km-z]{44,}$/).desc(
   'An IPFS Content Identifer (Qm...)',
diff --git a/packages/indexer-common/src/parsers/validators.ts b/packages/indexer-common/src/parsers/validators.ts
index cf81e70a2..718fd0b58 100644
--- a/packages/indexer-common/src/parsers/validators.ts
+++ b/packages/indexer-common/src/parsers/validators.ts
@@ -3,7 +3,7 @@
 
 import P from 'parsimmon'
 
-import { networkIdentifier, base58 } from './basic-types'
+import { base58, networkIdentifier, supportedNetworkIdentifier } from './basic-types'
 export { caip2IdRegex } from './basic-types'
 
 // Generic function that takes a parser of type T and attempts to parse it from a string. If it
@@ -21,10 +21,15 @@ function parse<T>(parser: P.Parser<T>, input: string): T {
     `Failed to parse "${input}". Expected: ${expected}. Parsed up to: "${parsed}". Remaining: "${remaining}"`,
   )
 }
+
 export function validateNetworkIdentifier(input: string): string {
   return parse(networkIdentifier, input)
 }
 
+export function validateSupportedNetworkIdentifier(input: string): string {
+  return parse(supportedNetworkIdentifier, input)
+}
+
 export function validateIpfsHash(input: string): string {
   return parse(base58, input)
 }