for REGION in $(aws ec2 describe-regions --query "Regions[*].RegionName" --output text)
do
  echo $REGION
  curl -s https://pricing.us-east-1.amazonaws.com/offers/v1.0/aws/AmazonEC2/current/$REGION/index.json | jq -r '.products[].attributes["instanceType"]' | sort -u | grep '\.' | sed 's/\..*//' | sort -u
done

# EC2 instance type regional availability

r5:
eu-north-1
ap-east-1
me-south-1
us-gov-east-1

r4-5:
eu-west-3
eu-west-2
ca-central-1
cn-northwest-1

r3-5:
ap-south-1
eu-west-1
ap-northeast-3
ap-northeast-2
ap-northeast-1
ap-southeast-1
ap-southeast-2
eu-central-1
sa-east-1
us-east-1
us-east-2
us-west-1
us-west-2
us-gov-west-1
cn-north-1

----------------

cm5:
eu-north-1
ap-east-1
me-south-1
us-gov-east-1

cm4-5:
ap-south-1
eu-west-3
eu-west-2
us-east-2
ca-central-1
cn-northwest-1

cm3-5:
eu-central-1
ap-northeast-3
ap-northeast-2

c3-5m1-5:
cn-north-1

cm1-5:
eu-west-1
ap-northeast-1
sa-east-1
ap-southeast-1
ap-southeast-2
us-east-1
us-west-1
us-west-2
us-gov-west-1

-------------

t3:
eu-north-1
ap-east-1
me-south-1
us-gov-east-1

t2-t3:
ap-south-1
eu-west-3
eu-west-2
ap-northeast-3
ap-northeast-2
ca-central-1
eu-central-1
us-east-2
cn-north-1
cn-northwest-1

t1-t3:
eu-west-1
ap-northeast-1
sa-east-1
ap-southeast-1
ap-southeast-2
us-east-1
us-west-1
us-west-2
us-gov-west-1

$ curl -s -N --compressed https://d1uauaxba7bl26.cloudfront.net/latest/gzip/CloudFormationResourceSpecification.json | pcregrep -o1 '          "(.*?)"' | sort | uniq -c | sort -nr
# missing a few https://github.com/awsdocs/aws-cloudformation-user-guide/issues/4#issuecomment-503828259
5443 UpdateType # property fields
5443 Required
5443 Documentation
4283 PrimitiveType
1493 Type
 448 ItemType
 445 DuplicatesAllowed
 352 PrimitiveItemType

$ curl -s -N --compressed https://d1uauaxba7bl26.cloudfront.net/latest/gzip/CloudFormationResourceSpecification.json | pcregrep -o1 '^      "(.*?)"' | sort | uniq -c | sort -nr
1448 Documentation # resource fields
1444 Properties
 144 Attributes
   4 UpdateType
   4 Type
   4 Required
   4 ItemType
   2 PrimitiveType
   1 AdditionalProperties

$ curl -s -N --compressed https://d1uauaxba7bl26.cloudfront.net/latest/gzip/CloudFormationResourceSpecification.json | pcregrep -o1 '("UpdateType": ".*?)"' | sort | uniq -c | sort -nr
4030 "UpdateType": "Mutable
1370 "UpdateType": "Immutable
  47 "UpdateType": "Conditional

$ curl -s -N --compressed https://d1uauaxba7bl26.cloudfront.net/latest/gzip/CloudFormationResourceSpecification.json | pcregrep -o1 '("Required": .*?),' | sort | uniq -c | sort -nr
3689 "Required": false
1758 "Required": true

$ curl -s -N --compressed https://d1uauaxba7bl26.cloudfront.net/latest/gzip/CloudFormationResourceSpecification.json | pcregrep -o1 '("DuplicatesAllowed": .*?),' | sort | uniq -c | sort -nr
 313 "DuplicatesAllowed": false
 132 "DuplicatesAllowed": true

$ curl -s -N --compressed https://d1uauaxba7bl26.cloudfront.net/latest/gzip/CloudFormationResourceSpecification.json | pcregrep -o1 '("PrimitiveType": .*?),' | sort | uniq -c | sort -nr
3046 "PrimitiveType": "String"
 382 "PrimitiveType": "Integer"
 368 "PrimitiveType": "Boolean"
  99 "PrimitiveType": "Json"
  63 "PrimitiveType": "Double"
   8 "PrimitiveType": "Long"
   4 "PrimitiveType": "Timestamp"
   1 "PrimitiveType": "Map"

$ curl -s -N --compressed https://d1uauaxba7bl26.cloudfront.net/latest/gzip/CloudFormationResourceSpecification.json | pcregrep -o1 '("PrimitiveItemType": .*?),' | sort | uniq -c | sort -nr
 349 "PrimitiveItemType": "String"
   2 "PrimitiveItemType": "Boolean"
   1 "PrimitiveItemType": "Json"

$ curl -s -N --compressed https://d1uauaxba7bl26.cloudfront.net/latest/gzip/CloudFormationResourceSpecification.json | pcregrep -o1 '("Type": .*?),' | sort | uniq -c | sort -nr
 735 "Type": "List"
  48 "Type": "Map"
  ..

$ curl -s -N --compressed https://d1uauaxba7bl26.cloudfront.net/latest/gzip/CloudFormationResourceSpecification.json | pcregrep -o1 '("ItemType": .*?),' | sort | uniq -c | sort -nr
 108 "ItemType": "Tag"
 ...

$ curl -s --compressed https://d1uauaxba7bl26.cloudfront.net/latest/gzip/CloudFormationResourceSpecification.json | jq '.ResourceTypes' | jq 'with_entries(.value |= .Attributes)' | grep -v ': null' | grep -v 'Type": "'
# GetAtt attributes

$ curl -s -N --compressed https://d1uauaxba7bl26.cloudfront.net/latest/gzip/CloudFormationResourceSpecification.json | pcregrep -o1 '::(.*)::' | sort | uniq -c | wc -l
# services

$ curl -s --compressed https://d1uauaxba7bl26.cloudfront.net/latest/gzip/CloudFormationResourceSpecification.json | jq '.ResourceTypes | length'
# resource types

$ curl -s --compressed https://d1uauaxba7bl26.cloudfront.net/latest/gzip/CloudFormationResourceSpecification.json | jq '.PropertyTypes | length'
# property types

$ curl -s -N --compressed https://d1uauaxba7bl26.cloudfront.net/latest/gzip/CloudFormationResourceSpecification.json | pcregrep -o1 '::(.*)::[^.]*"' | sort | uniq -c | sort -nr
# resource types per service

$ diff -u <(curl -s https://s3.eu-west-1.amazonaws.com/cfn-resource-specifications-eu-west-1-prod/latest/CloudFormationResourceSpecification.json | jq '.ResourceTypes | keys' | jq -S) <(curl -s https://s3.us-west-2.amazonaws.com/cfn-resource-specifications-us-west-2-prod/latest/CloudFormationResourceSpecification.json | jq '.ResourceTypes | keys' | jq -S)
# resource type difference between two regions

$ curl -s -N https://raw.githubusercontent.com/patmyron/aws-cloudformation-user-guide/master/doc_source/cfn-resource-specification.md | pcregrep -o1 -o2 "|  (\w*-\w*-\w* ) .*//(.*?).cloudfront.*" | xargs -L1 bash -c 'curl -s -N --compressed https://$1.cloudfront.net/latest/gzip/CloudFormationResourceSpecification.json | pcregrep -o1 "::(.*)::" | sort | uniq -c | wc -l | xargs echo -n; echo " $0"' | sort -nr
for REGION in ap-east-1 me-south-1 us-gov-west-1 us-gov-east-1
do
  curl -s -N https://s3.$REGION.amazonaws.com/cfn-resource-specifications-$REGION-prod/latest/CloudFormationResourceSpecification.json | pcregrep -o1 '::(.*)::' | sort | uniq -c | wc -l | xargs echo -n; echo " $REGION"
done
for REGION in cn-north-1 cn-northwest-1
do
  curl -s -N https://s3.$REGION.amazonaws.com.cn/cfn-resource-specifications-$REGION-prod/latest/CloudFormationResourceSpecification.json | pcregrep -o1 '::(.*)::' | sort | uniq -c | wc -l | xargs echo -n; echo " $REGION"
done
# CloudFormation services per region

$ curl -s -N https://raw.githubusercontent.com/patmyron/aws-cloudformation-user-guide/master/doc_source/cfn-resource-specification.md | pcregrep -o1 -o2 "|  (\w*-\w*-\w* ) .*//(.*?).cloudfront.*" | xargs -L1 bash -c 'curl -s -N --compressed https://$1.cloudfront.net/latest/gzip/CloudFormationResourceSpecification.json | pcregrep -o1 "::(.*)::[^.]*\"" | wc -l | xargs echo -n; echo " $0"' | sort -nr
for REGION in ap-east-1 me-south-1 us-gov-west-1 us-gov-east-1
do
  curl -s -N https://s3.$REGION.amazonaws.com/cfn-resource-specifications-$REGION-prod/latest/CloudFormationResourceSpecification.json | pcregrep -o1 '::(.*)::[^.]*"' | wc -l | xargs echo -n; echo " $REGION"
done
for REGION in cn-north-1 cn-northwest-1
do
  curl -s -N https://s3.$REGION.amazonaws.com.cn/cfn-resource-specifications-$REGION-prod/latest/CloudFormationResourceSpecification.json | pcregrep -o1 '::(.*)::[^.]*"' | wc -l | xargs echo -n; echo " $REGION"
done
# resource types per region

$ curl -s -N --compressed https://d1uauaxba7bl26.cloudfront.net/latest/gzip/CloudFormationResourceSpecification.json | pcregrep -o1 '^        "(.*?)"' | sort | uniq -c | sort -nr | head -n 30
 223 Name
 137 Tags
 107 Description
  84 Type
  77 Arn
  59 Value
  46 Id
  44 Key
  43 RoleArn
  41 Enabled
  25 Port
  24 Parameters
  24 InstanceType
  22 Version
  22 AvailabilityZone
  21 SubnetId
  20 SubnetIds
  19 Values
  19 SecurityGroupIds
  18 VpcId
  17 RoleARN
  17 DomainName
  16 KmsKeyId
  16 ApiId
  15 Protocol
  15 MetricName
  14 Path
  14 ApplicationName
  14 ApplicationId
  13 Attributes

from bs4 import BeautifulSoup

# save webpage locally to ensure table has fully loaded
soup = BeautifulSoup(open('https://azure.microsoft.com/en-us/global-infrastructure/services/?products=all&regions=all'), 'html.parser')
for row in soup.find_all('tr', class_='service-row', attrs={'data-product-slug' : True}):
    for cell in row.find_all(attrs={'data-region-slug' : True}):
        if 'Not available' not in cell.text:
            print(cell['data-region-slug'])

$ python azure.py | sort | uniq -c | sort -nr | grep -v 'non-regional'
# Azure services per region

25 asia-northeast1 # Google Cloud products per region
23 us-east4
23 us-east1
22 us-central1
22 europe-west1
22 asia-east2
21 europe-west2
21 australia-southeast1
21 asia-south1
20 us-west2
20 southamerica-east1
20 northamerica-northeast1
19 asia-southeast1
19 asia-northeast2
18 asia-east1
17 europe-west6
17 europe-west3
16 us-west1
16 europe-west4
16 europe-north1