diff --git a/packages/cli/src/commands/spaces/destroy.ts b/packages/cli/src/commands/spaces/destroy.ts
index f5fd959cf0..52f5a24922 100644
--- a/packages/cli/src/commands/spaces/destroy.ts
+++ b/packages/cli/src/commands/spaces/destroy.ts
@@ -1,12 +1,13 @@
 import {Args, ux} from '@oclif/core'
-import color from '@heroku-cli/color'
 import {Command, flags} from '@heroku-cli/command'
 import * as Heroku from '@heroku-cli/schema'
 import heredoc from 'tsheredoc'
 import confirmCommand from '../../lib/confirmCommand'
 import {displayNat} from '../../lib/spaces/spaces'
+import color from '@heroku-cli/color'
+import {Space} from '../../lib/types/fir'
 
-type RequiredSpaceWithNat = Required<Heroku.Space> & {outbound_ips?: Required<Heroku.SpaceNetworkAddressTranslation>}
+type RequiredSpaceWithNat = Required<Space> & {outbound_ips?: Required<Heroku.SpaceNetworkAddressTranslation>}
 
 export default class Destroy extends Command {
   static topic = 'spaces'
@@ -40,10 +41,24 @@ export default class Destroy extends Command {
 
     let natWarning = ''
     const {body: space} = await this.heroku.get<RequiredSpaceWithNat>(`/spaces/${spaceName}`)
+
     if (space.state === 'allocated') {
       ({body: space.outbound_ips} = await this.heroku.get<Required<Heroku.SpaceNetworkAddressTranslation>>(`/spaces/${spaceName}/nat`))
       if (space.outbound_ips && space.outbound_ips.state === 'enabled') {
-        natWarning = `The Outbound IPs for this space will be reused!\nEnsure that external services no longer allow these Outbound IPs: ${displayNat(space.outbound_ips)}\n`
+        const ipv6 = space.generation?.name === 'fir' ? ' and IPv6' : ''
+        natWarning = heredoc`
+        ${color.dim('===')} ${color.bold('WARNING: Outbound IPs Will Be Reused')}
+        ${color.yellow(`⚠️ Deleting this space frees up the following outbound IPv4${ipv6} IPs for reuse:`)}
+        ${color.bold(displayNat(space.outbound_ips) ?? '')}
+
+        ${color.dim('Update the following configurations:')}
+        ${color.dim('=')} IP allowlists
+        ${color.dim('=')} Firewall rules
+        ${color.dim('=')} Security group configurations
+        ${color.dim('=')} Network ACLs
+
+        ${color.yellow(`Ensure that you remove the listed IPv4${ipv6} addresses from your security configurations.`)}
+      `
       }
     }
 
diff --git a/packages/cli/test/unit/commands/spaces/destroy.unit.test.ts b/packages/cli/test/unit/commands/spaces/destroy.unit.test.ts
index 2bea983a55..f0156dcb76 100644
--- a/packages/cli/test/unit/commands/spaces/destroy.unit.test.ts
+++ b/packages/cli/test/unit/commands/spaces/destroy.unit.test.ts
@@ -4,30 +4,101 @@ import runCommand from '../../../helpers/runCommand'
 import * as nock from 'nock'
 import {expect} from 'chai'
 import heredoc from 'tsheredoc'
+import {ux} from '@oclif/core'
+import * as sinon from 'sinon'
 
 describe('spaces:destroy', function () {
   const now = new Date()
 
+  beforeEach(function () {
+    sinon.stub(ux, 'prompt').resolves('my-space')
+  })
+
   afterEach(function () {
     nock.cleanAll()
+    sinon.restore()
   })
 
-  it('destroys a space', async function () {
+  it('shows extended NAT warning for fir generation space', async function () {
     const api = nock('https://api.heroku.com')
       .get('/spaces/my-space')
-      .reply(200, {name: 'my-space', team: {name: 'my-team'}, region: {name: 'my-region'}, state: 'allocated', created_at: now})
+      .reply(200, {
+        name: 'my-space',
+        team: {name: 'my-team'},
+        region: {name: 'my-region'},
+        state: 'allocated',
+        created_at: now,
+        generation: {name: 'fir'},
+      })
       .get('/spaces/my-space/nat')
       .reply(200, {state: 'enabled', sources: ['1.1.1.1', '2.2.2.2']})
       .delete('/spaces/my-space')
       .reply(200)
 
-    await runCommand(Cmd, ['--space', 'my-space', '--confirm', 'my-space'])
+    await runCommand(Cmd, ['--space', 'my-space'])
+    api.done()
+    const replacer = /([»›])/g
+    expect(stderr.output.replace(replacer, '')).to.eq(heredoc(`     ›   Warning: Destructive Action
+     ›   This command will destroy the space my-space
+     ›   === WARNING: Outbound IPs Will Be Reused
+     ›   ⚠️ Deleting this space frees up the following outbound IPv4 and IPv6 IPs 
+     ›   for reuse:
+     ›   1.1.1.1, 2.2.2.2
+     ›
+     ›   Update the following configurations:
+     ›   = IP allowlists
+     ›   = Firewall rules
+     ›   = Security group configurations
+     ›   = Network ACLs
+     ›
+     ›   Ensure that you remove the listed IPv4 and IPv6 addresses from your 
+     ›   security configurations.
+     ›
+     ›
+
+    Destroying space my-space...
+    Destroying space my-space... done
+    `.replace(replacer, '')))
+  })
+
+  it('shows simple NAT warning for non-fir generation space', async function () {
+    const api = nock('https://api.heroku.com')
+      .get('/spaces/my-space')
+      .reply(200, {
+        name: 'my-space',
+        team: {name: 'my-team'},
+        region: {name: 'my-region'},
+        state: 'allocated',
+        created_at: now,
+        generation: {name: 'cedar'},
+      })
+      .get('/spaces/my-space/nat')
+      .reply(200, {state: 'enabled', sources: ['1.1.1.1', '2.2.2.2']})
+      .delete('/spaces/my-space')
+      .reply(200)
 
+    await runCommand(Cmd, ['--space', 'my-space'])
     api.done()
+    const replacer = /([»›])/g
+    expect(stderr.output.replace(replacer, '')).to.eq(heredoc(`     ›   Warning: Destructive Action
+     ›   This command will destroy the space my-space
+     ›   === WARNING: Outbound IPs Will Be Reused
+     ›   ⚠️ Deleting this space frees up the following outbound IPv4 IPs for reuse:
+     ›   1.1.1.1, 2.2.2.2
+     ›
+     ›   Update the following configurations:
+     ›   = IP allowlists
+     ›   = Firewall rules
+     ›   = Security group configurations
+     ›   = Network ACLs
+     ›
+     ›   Ensure that you remove the listed IPv4 addresses from your security 
+     ›   configurations.
+     ›
+     ›
 
-    expect(stderr.output).to.eq(heredoc`
-      Destroying space my-space...
-      Destroying space my-space... done
-    `)
+    Destroying space my-space...
+    Destroying space my-space... done
+    `.replace(replacer, '')))
   })
 })