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

Core Networks

Applications are sometimes deployed on partner networks, parent company networks, or regional hosting providers. The following is a sample of USPS IP addresses deployed on this type of network.

Network	IP	PoP	Category	Location
Sparkle	2001:41a8:28:384::1983	Core Network	ISP/Telco	Italy
Sparkle	2001:41a8:28:386::1983	Core Network	ISP/Telco	Italy
Verizon	152.195.33.23	Core Network	ISP/Telco	United States

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	4
Cogent	38.102.43.128	1
Microsoft Azure	52.162.161.250	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	213.139.57.73	6444
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

Network Map

PoP Locations

CDN	Location	PoP	Network	# of IPs
Akamai	Amsterdam	Netherlands	Akamai	47
Akamai	Athens	Greece	Akamai	76
Akamai	Lisbon	Portugal	Akamai	44
Akamai	Frankfurt	Germany	Akamai	213
Akamai	Fujairah	United Arab Emirates	Akamai	57
Akamai	Sao Paulo	Brazil	Akamai	68
Akamai	Toronto	Canada	Akamai	66
Akamai	Stockholm	Sweden	Akamai	104
Akamai	Madrid	Spain	Akamai	106
Akamai	Copenhagen	Denmark	Akamai	45
Akamai	London	United Kingdom	Akamai	155
Akamai	Amman	Jordan	Akamai	2
Akamai	Bangkok	Thailand	Akamai	34
Akamai	Manchester	United Kingdom	Akamai	34
Akamai	Bucharest	Romania	Akamai	37
Akamai	Warsaw	Poland	Akamai	48
Akamai	Mombasa	Kenya	Akamai	25
Akamai	Brussels	Belgium	Akamai	28
Akamai	Ankara	Turkey	Akamai	1
Akamai	Santiago	Chile	Akamai	42
Akamai	Buenos Aires	Argentina	Akamai	73
Akamai	Vienna	Austria	Akamai	94
Akamai	Tokyo	Japan	Akamai	224
Akamai	Oslo	Norway	Akamai	53
Akamai	Milan	Italy	Akamai	64
Akamai	Sydney	Australia	Akamai	62
Akamai	Dublin	Ireland	Akamai	37
Akamai	Palermo	Italy	Akamai	13
Akamai	Dusseldorf	Germany	Akamai	35
Akamai	Seattle	United States	Akamai	67
Akamai	Munich	Germany	Akamai	41
Akamai	Istanbul	Turkey	Akamai	47
Akamai	Prague	Czechia	Akamai	42
Akamai	Cape Town	South Africa	Akamai	26
Akamai	Paris	France	Akamai	160
Akamai	Curitiba	Brazil	Akamai	15
Akamai	Salvador	Brazil	Akamai	3
Akamai	Rio de Janeiro	Brazil	Akamai	41
Akamai	Porto Alegre	Brazil	Akamai	28
Akamai	Barcelona	Spain	Akamai	25
Akamai	Glattbrugg	Switzerland	Akamai	61
Akamai	Fortaleza	Brazil	Akamai	36
Akamai	Rome	Italy	Akamai	51
Akamai	Durban	South Africa	Akamai	7
Akamai	Marseille	France	Akamai	29
Akamai	Vancouver	Canada	Akamai	24
Akamai	Chicago	United States	Akamai	175
Akamai	Johannesburg	South Africa	Akamai	68
Akamai	Doha	Qatar	Akamai	2
Akamai	Lima	Peru	Akamai	48
Akamai	Berlin	Germany	Akamai	56
Akamai	Haarlem	Netherlands	Akamai	22
Akamai	Atlanta	United States	Akamai	104
Akamai	Cyberjaya	Malaysia	Akamai	15
Akamai	Bogota	Colombia	Akamai	66
Akamai	Minneapolis	United States	Akamai	5
Akamai	Los Angeles	United States	Akamai	99
Akamai	Dallas	United States	Akamai	88
Akamai	New York	United States	Akamai	57
Akamai	Ashburn	United States	Akamai	330
Akamai	Lithia Springs	United States	Akamai	4
Akamai	Melbourne	Australia	Akamai	69
Akamai	Hong Kong	Hong Kong	Akamai	179
Akamai	Mandaluyong	Philippines	Akamai	5
Akamai	Kolkata	India	Akamai	26
Akamai	Chennai	India	Akamai	69
Akamai	Hyderabad	India	Akamai	18
Akamai	Jakarta	Indonesia	Akamai	45
Akamai	Mumbai	India	Akamai	126
Akamai	New Delhi	India	Akamai	128
Akamai	Mount Prospect	United States	Akamai	15
Akamai	Miami	United States	Akamai	366
Akamai	Irving	United States	Akamai	21
Akamai	Kuala Lumpur	Malaysia	Akamai	31
Akamai	Singapore	Singapore	Akamai	203
Akamai	Santiago de Queretaro	Mexico	Akamai	70
Akamai	Surabaya	Indonesia	Akamai	3
Akamai	Chandigarh	India	Akamai	1
Akamai	Marietta	United States	Akamai	12
Akamai	Seoul	South Korea	Akamai	103
Akamai	San Jose	United States	Akamai	13
Akamai	Tempe	United States	Akamai	3
Akamai	Mexico City	Mexico	Akamai	12
Akamai	Santa Clara	United States	Akamai	16
Akamai	Secaucus	United States	Akamai	181
Akamai	McAllen	United States	Akamai	20
Akamai	Taipei	Taiwan	Akamai	65
Akamai	Makati	Philippines	Akamai	5
Akamai	Guadalajara	Mexico	Akamai	1
Akamai	Schiphol	Netherlands	Akamai	11
Akamai	Helsinki	Finland	Akamai	5
Akamai	Bengaluru	India	Akamai	46
Akamai	Englewood	United States	Akamai	35
Akamai	Philadelphia	United States	Akamai	11
Akamai	Kaohsiung	Taiwan	Akamai	2
Akamai	Osaka	Japan	Akamai	8
Akamai	Tel Aviv	Israel	Akamai	5
Akamai	Sofia	Bulgaria	Akamai	11
Akamai	Hamburg	Germany	Akamai	25
Akamai	Baghdad	Iraq	Akamai	9
Akamai	Boston	United States	Akamai	7
Akamai	Dubai	United Arab Emirates	Akamai	28
Akamai	Brisbane	Australia	Akamai	35
Akamai	Hanoi	Vietnam	Akamai	3
Akamai	Ho Chi Minh City	Vietnam	Akamai	3
Akamai	Perth	Australia	Akamai	3
Akamai	Adelaide	Australia	Akamai	1
Akamai	Montreal	Canada	Akamai	9
Akamai	Houston	United States	Akamai	115
Akamai	Honolulu	United States	Akamai	3
Akamai	Nagpur	India	Akamai	3
Akamai	Hillsboro	United States	Akamai	1
Akamai	Pune	India	Akamai	1
Akamai	Brasilia	Brazil	Akamai	22
Akamai	Jeddah	Saudi Arabia	Akamai	7
Akamai	Bhopal	India	Akamai	7
Akamai	Lucena	Philippines	Akamai	1
Akamai	Riyadh	Saudi Arabia	Akamai	9
Akamai	Recife	Brazil	Akamai	13
Akamai	Las Vegas	United States	Akamai	1
Akamai	Montevideo	Uruguay	Akamai	1
Akamai	Omaha	United States	Akamai	3
Akamai	Manila	Philippines	Akamai	2
Akamai	Riga	Latvia	Akamai	1
Akamai	Taichung	Taiwan	Akamai	9
Akamai	Nonthaburi	Thailand	Akamai	5
Akamai	Kuwait City	Kuwait	Akamai	1
Akamai	Zurich	Switzerland	Akamai	1
Akamai	Muscat	Oman	Akamai	1
Akamai	Auckland	New Zealand	Akamai	20
Akamai	Florianopolis	Brazil	Akamai	9
Akamai	Amman	Jordan	Orange	14
Akamai	Riga	Latvia	RETN	37
Akamai	Amman	Jordan	Omantel	10
Akamai	San Fernando	Philippines	Converge ICT	1
Akamai	Makati	Philippines	Converge ICT	6
Akamai	Manila	Philippines	Converge ICT	4
Akamai	Bangkok	Thailand	AIS	17
Akamai	Singapore	Singapore	M1 Singapore	1
Akamai	Auckland	New Zealand	2degrees	1
Akamai	Vancouver	Canada	Telus	2
Akamai	Hanoi	Vietnam	VNPT	18
Akamai	Ho Chi Minh City	Vietnam	VNPT	6
Akamai	San Jose	United States	Arelion	42
Akamai	Melbourne	Australia	Telstra	2
Akamai	Sydney	Australia	Telstra	8
Akamai	Taipei	Taiwan	Chunghwa Telecom	21
Akamai	Taichung	Taiwan	Chunghwa Telecom	4
Akamai	Ho Chi Minh City	Vietnam	FPT Group	2

Other Locations

CDN	Location	PoP	Network	# of IPs
Akamai	Core Network	Portugal	NOS	2
Akamai	Core Network	Israel	ASN AS1680	11
Akamai	Core Network	Australia	TPG Telecom	2
Akamai	Core Network	United States	Akamai	4
Akamai	Core Network	Singapore	Akamai	1
Akamai	Core Network	Philippines	Akamai	1
Akamai	Core Network	Vietnam	FPT Group	10
Akamai	Core Network	India	Jio	9
Akamai	Core Network	Taiwan	ASN AS9416	8
Akamai	Core Network	Israel	ASN AS12400	6
Akamai	Core Network	Vietnam	VNPT	1
Akamai	Core Network	India	ASN AS9829	2
Akamai	Core Network	Thailand	ASN AS4651	12
Akamai	Core Network	Taiwan	Taiwan Mobile	5
Akamai	Core Network	Switzerland	Swisscom	19
Akamai	Core Network	South Korea	ASN AS9848	1
Akamai	Core Network	Malaysia	ASN AS9930	9
Akamai	Core Network	Israel	ASN AS8551	1
Akamai	Core Network	Italy	Sparkle	43
Akamai	Core Network	Greece	Sparkle	17
Akamai	Core Network	New Zealand	2degrees	2
Akamai	Core Network	Philippines	Converge ICT	19
Akamai	Core Network	India	ASN AS55824	8
Akamai	Core Network	Thailand	AIS	15
Akamai	Core Network	Singapore	StarHub	2
Akamai	Core Network	Hong Kong	ASN AS9381	8
Akamai	Core Network	Peru	Telefonica	2