USPS Application

The following page provides details on domains, networks, IPs, hosting services, and content delivery networks used by USPS.

What is USPS?

USPS - Government
The United States Postal Service is an independent agency of the United States government responsible for providing postal service in the United States, including its insular areas and associated states.

USPS Domains

Primary Domains

Platform Domains

Platform	Sample Domain	Details
Akamai	{hidden}.dsca.akamaiedge.net	and 6 more
Edgio	{hidden}.upsiloncdn.net
Salesforce	{hidden}.siteforce.com

Network Ranges

56.0.0.0/16
56.105.0.0/16
56.235.0.0/16
2610:68::/32

USPS uses dedicated network blocks. This application dataset includes only those network ranges exclusively assigned to this service.

USPS Network

Some organizations deploy all or parts of an application solution through their own infrastructure instead of third party hosting providers like AWS or Google Cloud Platform. The following is a sample of active IP addresses on the USPS Network.

Sample IP	ASN	ASN Description	Route	Location
56.0.33.26	AS5774	United States Postal Service	56.0.32.0/20	United States
56.0.34.16	AS5774	United States Postal Service	56.0.32.0/20	United States
56.0.34.62	AS5774	United States Postal Service	56.0.32.0/20	United States
56.0.34.101	AS5774	United States Postal Service	56.0.32.0/20	United States
56.0.34.102	AS5774	United States Postal Service	56.0.32.0/20	United States
... and 14 more

SaaS - Software-as-a-Service

SaaS	Sample IP	# of IPs
Salesforce	128.245.32.13	1

USPS use the third-party SaaS platforms shown here. These services typically manage authentication, advertising, cybersecurity, e-mail services and more.

Hosting

SaaS	Sample IP	# of IPs
Amazon AWS	182.30.36.72	14
Linode	192.46.229.171	23
Scaleway	151.115.12.5	4
OVHcloud	51.222.254.139	4
Microsoft Azure	52.162.161.250	1
UpCloud	94.237.19.149	2
Zenlayer	195.58.130.39	34
M247	146.70.19.178	1
OneProvider	223.165.5.147	3
DataCamp	185.111.109.41	1

To scale its compute capacity and optimize resources, USPS leverages a multi-cloud architecture.

Content Delivery Networks - CDNs

Summary

CDN	Sample IP	# of IPs
Akamai	211.25.121.65	6274
Amazon CloudFront	143.204.55.89	1715
Cloudflare	141.193.213.10	2

To get information to end users more quickly, many apps - including USPS - use Content Delivery Networks (CDNs).

Anycast

CDN	Sample IP	# of IPs
Cloudflare	141.193.213.10	2
Amazon CloudFront	3.175.14.9	4

Network Map

PoP Locations

CDN	Location	PoP	Network	# of IPs
Amazon CloudFront	Santiago de Queretaro	Mexico	Amazon CloudFront	22
Amazon CloudFront	Johannesburg	South Africa	Amazon CloudFront	57
Amazon CloudFront	Muscat	Oman	Amazon CloudFront	12
Amazon CloudFront	Buenos Aires	Argentina	Amazon CloudFront	25
Amazon CloudFront	Santiago	Chile	Amazon CloudFront	20
Amazon CloudFront	Helsinki	Finland	Amazon CloudFront	47
Amazon CloudFront	Paris	France	Amazon CloudFront	34
Amazon CloudFront	Stockholm	Sweden	Amazon CloudFront	31
Amazon CloudFront	Ho Chi Minh City	Vietnam	Amazon CloudFront	28
Amazon CloudFront	Tokyo	Japan	Amazon CloudFront	27
Amazon CloudFront	Chicago	United States	Amazon CloudFront	46
Amazon CloudFront	Ashburn	United States	Amazon CloudFront	47
Amazon CloudFront	Manila	Philippines	Amazon CloudFront	12
Amazon CloudFront	Manchester	United Kingdom	Amazon CloudFront	27
Amazon CloudFront	Warsaw	Poland	Amazon CloudFront	45
Amazon CloudFront	Nairobi	Kenya	Amazon CloudFront	37
Amazon CloudFront	Singapore	Singapore	Amazon CloudFront	8
Amazon CloudFront	Rio de Janeiro	Brazil	Amazon CloudFront	16
Amazon CloudFront	Hong Kong	Hong Kong	Amazon CloudFront	71
Amazon CloudFront	Frankfurt	Germany	Amazon CloudFront	79
Amazon CloudFront	Madrid	Spain	Amazon CloudFront	36
Amazon CloudFront	Melbourne	Australia	Amazon CloudFront	28
Amazon CloudFront	Athens	Greece	Amazon CloudFront	20
Amazon CloudFront	Montreal	Canada	Amazon CloudFront	48
Amazon CloudFront	Brussels	Belgium	Amazon CloudFront	25
Amazon CloudFront	Prague	Czechia	Amazon CloudFront	4
Amazon CloudFront	Hanoi	Vietnam	Amazon CloudFront	4
Amazon CloudFront	San Francisco	United States	Amazon CloudFront	4
Amazon CloudFront	Vancouver	Canada	Amazon CloudFront	12
Amazon CloudFront	Los Angeles	United States	Amazon CloudFront	12
Amazon CloudFront	Osaka	Japan	Amazon CloudFront	12
Amazon CloudFront	Mumbai	India	Amazon CloudFront	12
Amazon CloudFront	Munich	Germany	Amazon CloudFront	12
Amazon CloudFront	Toronto	Canada	Amazon CloudFront	27
Amazon CloudFront	Kuala Lumpur	Malaysia	Amazon CloudFront	20
Amazon CloudFront	Bogota	Colombia	Amazon CloudFront	12
Amazon CloudFront	Marseille	France	Amazon CloudFront	39
Amazon CloudFront	Tampa	United States	Amazon CloudFront	4
Amazon CloudFront	Sofia	Bulgaria	Amazon CloudFront	70
Amazon CloudFront	Bucharest	Romania	Amazon CloudFront	4
Amazon CloudFront	Bangkok	Thailand	Amazon CloudFront	23
Amazon CloudFront	Barcelona	Spain	Amazon CloudFront	4
Amazon CloudFront	Budapest	Hungary	Amazon CloudFront	58
Amazon CloudFront	Doha	Qatar	Amazon CloudFront	4
Amazon CloudFront	Amsterdam	Netherlands	Amazon CloudFront	20
Amazon CloudFront	Boston	United States	Amazon CloudFront	12
Amazon CloudFront	London	United Kingdom	Amazon CloudFront	4
Amazon CloudFront	Cape Town	South Africa	Amazon CloudFront	4
Amazon CloudFront	Miami	United States	Amazon CloudFront	84
Amazon CloudFront	Seoul	South Korea	Amazon CloudFront	20
Amazon CloudFront	Atlanta	United States	Amazon CloudFront	33
Amazon CloudFront	Vienna	Austria	Amazon CloudFront	36
Amazon CloudFront	Lisbon	Portugal	Amazon CloudFront	28
Amazon CloudFront	New York	United States	Amazon CloudFront	20
Amazon CloudFront	Dubai	United Arab Emirates	Amazon CloudFront	27
Amazon CloudFront	Lagos	Nigeria	Amazon CloudFront	20
Amazon CloudFront	Kansas City	United States	Amazon CloudFront	12
Amazon CloudFront	Milan	Italy	Amazon CloudFront	12
Amazon CloudFront	Lima		Amazon CloudFront	12
Amazon CloudFront	Sao Paulo	Brazil	Amazon CloudFront	41
Amazon CloudFront	Chennai	India	Amazon CloudFront	44
Amazon CloudFront	Cairo	Egypt	Amazon CloudFront	12
Amazon CloudFront	Zurich	Switzerland	Amazon CloudFront	26
Amazon CloudFront	Taipei	Taiwan	Amazon CloudFront	16
Amazon CloudFront	New Delhi	India	Amazon CloudFront	8
Amazon CloudFront	Tel Aviv	Israel	Amazon CloudFront	8
Amazon CloudFront	Fortaleza	Brazil	Amazon CloudFront	23
Akamai	Stockholm	Sweden	Akamai	83
Akamai	Athens	Greece	Akamai	72
Akamai	Chicago	United States	Akamai	206
Akamai	Amman	Jordan	Akamai	1
Akamai	Bangkok	Thailand	Akamai	29
Akamai	London	United Kingdom	Akamai	129
Akamai	Vienna	Austria	Akamai	98
Akamai	Bucharest	Romania	Akamai	36
Akamai	Milan	Italy	Akamai	60
Akamai	Sao Paulo	Brazil	Akamai	60
Akamai	Madrid	Spain	Akamai	87
Akamai	Mombasa	Kenya	Akamai	25
Akamai	Frankfurt	Germany	Akamai	203
Akamai	Ankara	Turkey	Akamai	1
Akamai	Warsaw	Poland	Akamai	52
Akamai	Buenos Aires	Argentina	Akamai	56
Akamai	Boston	United States	Akamai	33
Akamai	Hillsboro	United States	Akamai	1
Akamai	Sydney	Australia	Akamai	51
Akamai	Tokyo	Japan	Akamai	195
Akamai	Oslo	Norway	Akamai	50
Akamai	Dublin	Ireland	Akamai	33
Akamai	Dusseldorf	Germany	Akamai	34
Akamai	Seattle	United States	Akamai	101
Akamai	Prague	Czechia	Akamai	40
Akamai	Curitiba	Brazil	Akamai	15
Akamai	Santiago	Chile	Akamai	39
Akamai	Cape Town	South Africa	Akamai	24
Akamai	Palermo	Italy	Akamai	8
Akamai	Salvador	Brazil	Akamai	3
Akamai	Rio de Janeiro	Brazil	Akamai	44
Akamai	Paris	France	Akamai	131
Akamai	Glattbrugg	Switzerland	Akamai	53
Akamai	Porto Alegre	Brazil	Akamai	24
Akamai	Istanbul	Turkey	Akamai	51
Akamai	Lisbon	Portugal	Akamai	44
Akamai	Durban	South Africa	Akamai	7
Akamai	Marseille	France	Akamai	30
Akamai	Vancouver	Canada	Akamai	29
Akamai	Johannesburg	South Africa	Akamai	67
Akamai	Ashburn	United States	Akamai	315
Akamai	Doha	Qatar	Akamai	2
Akamai	Lima	Peru	Akamai	47
Akamai	Copenhagen	Denmark	Akamai	35
Akamai	Amsterdam	Netherlands	Akamai	48
Akamai	Munich	Germany	Akamai	39
Akamai	Rome	Italy	Akamai	48
Akamai	Berlin	Germany	Akamai	57
Akamai	Brussels	Belgium	Akamai	27
Akamai	Barcelona	Spain	Akamai	22
Akamai	Haarlem	Netherlands	Akamai	19
Akamai	Manchester	United Kingdom	Akamai	28
Akamai	Cyberjaya	Malaysia	Akamai	18
Akamai	Atlanta	United States	Akamai	95
Akamai	Fortaleza	Brazil	Akamai	27
Akamai	Bogota	Colombia	Akamai	71
Akamai	Hyderabad	India	Akamai	20
Akamai	Minneapolis	United States	Akamai	6
Akamai	Schiphol	Netherlands	Akamai	13
Akamai	Mexico City	Mexico	Akamai	14
Akamai	Santiago de Queretaro	Mexico	Akamai	65
Akamai	Dallas	United States	Akamai	85
Akamai	Los Angeles	United States	Akamai	102
Akamai	Toronto	Canada	Akamai	68
Akamai	Santa Clara	United States	Akamai	17
Akamai	Melbourne	Australia	Akamai	77
Akamai	Hong Kong	Hong Kong	Akamai	173
Akamai	Mount Prospect	United States	Akamai	18
Akamai	Makati	Philippines	Akamai	2
Akamai	Mandaluyong	Philippines	Akamai	5
Akamai	Kolkata	India	Akamai	24
Akamai	Chennai	India	Akamai	72
Akamai	Jakarta	Indonesia	Akamai	44
Akamai	Mumbai	India	Akamai	114
Akamai	New Delhi	India	Akamai	112
Akamai	Miami	United States	Akamai	360
Akamai	Kuala Lumpur	Malaysia	Akamai	34
Akamai	Singapore	Singapore	Akamai	185
Akamai	Englewood	United States	Akamai	37
Akamai	Tempe	United States	Akamai	2
Akamai	Monterrey	Mexico	Akamai	1
Akamai	Chandigarh	India	Akamai	1
Akamai	Fujairah	United Arab Emirates	Akamai	44
Akamai	San Jose	United States	Akamai	16
Akamai	Seoul	South Korea	Akamai	135
Akamai	McAllen	United States	Akamai	15
Akamai	Taipei	Taiwan	Akamai	57
Akamai	Irving	United States	Akamai	11
Akamai	Helsinki	Finland	Akamai	6
Akamai	Perth	Australia	Akamai	6
Akamai	Bengaluru	India	Akamai	47
Akamai	Sofia	Bulgaria	Akamai	11
Akamai	Hamburg	Germany	Akamai	24
Akamai	Baghdad	Iraq	Akamai	9
Akamai	New York	United States	Akamai	62
Akamai	Philadelphia	United States	Akamai	11
Akamai	Kaohsiung	Taiwan	Akamai	2
Akamai	Osaka	Japan	Akamai	15
Akamai	Tel Aviv	Israel	Akamai	4
Akamai	Dubai	United Arab Emirates	Akamai	31
Akamai	Brisbane	Australia	Akamai	43
Akamai	Hanoi	Vietnam	Akamai	3
Akamai	Ho Chi Minh City	Vietnam	Akamai	3
Akamai	Marietta	United States	Akamai	13
Akamai	Manila	Philippines	Akamai	1
Akamai	Adelaide	Australia	Akamai	2
Akamai	Secaucus	United States	Akamai	187
Akamai	Montreal	Canada	Akamai	21
Akamai	Houston	United States	Akamai	127
Akamai	Honolulu	United States	Akamai	3
Akamai	Nagpur	India	Akamai	3
Akamai	Pune	India	Akamai	1
Akamai	Brasilia	Brazil	Akamai	23
Akamai	Jeddah	Saudi Arabia	Akamai	8
Akamai	Bhopal	India	Akamai	9
Akamai	Riyadh	Saudi Arabia	Akamai	9
Akamai	Recife	Brazil	Akamai	13
Akamai	Las Vegas	United States	Akamai	2
Akamai	Montevideo	Uruguay	Akamai	1
Akamai	Abu Dhabi	United Arab Emirates	Akamai	11
Akamai	Omaha	United States	Akamai	3
Akamai	Perai	Malaysia	Akamai	1
Akamai	Taichung	Taiwan	Akamai	8
Akamai	Kanpur	India	Akamai	1
Akamai	Auckland	New Zealand	Akamai	19
Akamai	Kuwait City	Kuwait	Akamai	1
Akamai	Zurich	Switzerland	Akamai	1
Akamai	Muscat	Oman	Akamai	1
Akamai	Nonthaburi	Thailand	Akamai	2
Akamai	Amman	Jordan	Orange	18
Akamai	Riga	Latvia	RETN	19
Akamai	Melbourne	Australia	TPG Telecom	2
Akamai	San Fernando	Philippines	Converge ICT	1
Akamai	Manila	Philippines	Converge ICT	3
Akamai	Makati	Philippines	Converge ICT	5
Akamai	Ho Chi Minh City	Vietnam	FPT Group	3
Akamai	Hanoi	Vietnam	FPT Group	9
Akamai	Chennai	India	Jio	3
Akamai	Bengaluru	India	Jio	3
Akamai	Mumbai	India	Jio	3
Akamai	Singapore	Singapore	M1 Singapore	1
Akamai	Auckland	New Zealand	2degrees	3
Akamai	Taipei	Taiwan	Taiwan Mobile	5
Akamai	Lausanne	Switzerland	Swisscom	11
Akamai	Zurich	Switzerland	Swisscom	12
Akamai	Vancouver	Canada	Telus	2
Akamai	Hanoi	Vietnam	VNPT	20
Akamai	Ho Chi Minh City	Vietnam	VNPT	6
Akamai	Stockholm	Sweden	Arelion	23
Akamai	Helsinki	Finland	Arelion	19
Akamai	Rome	Italy	Sparkle	9
Akamai	Athens	Greece	Sparkle	24
Akamai	Toronto	Canada	Bell Canada	10
Akamai	Sydney	Australia	Telstra	8
Akamai	Taipei	Taiwan	Chunghwa Telecom	19
Akamai	Taichung	Taiwan	Chunghwa Telecom	4
Akamai	Bangkok	Thailand	AIS	29

Other Locations

CDN	Location	PoP	Network	# of IPs
Amazon CloudFront	Core Network	United States	Amazon CloudFront	4
Akamai	Core Network	Portugal	NOS	2
Akamai	Core Network		ASN AS1680	11
Akamai	Core Network	United States	Akamai	3
Akamai	Core Network	Belgium	Akamai	1
Akamai	Core Network	Philippines	Akamai	1
Akamai	Core Network	Taiwan	ASN AS9416	1
Akamai	Core Network		ASN AS9416	7
Akamai	Core Network		ASN AS24309	1
Akamai	Core Network	Vietnam	VNPT	1
Akamai	Core Network	Philippines	Converge ICT	23
Akamai	Core Network		ASN AS4651	12
Akamai	Core Network		ASN AS9848	1
Akamai	Core Network		ASN AS9930	9
Akamai	Core Network	Israel	ASN AS12400	21
Akamai	Core Network	Italy	Sparkle	16
Akamai	Core Network		ASN AS55824	8
Akamai	Core Network	Singapore	StarHub	2