Autonomous System
AS5774 United States Postal Service
GovernmentActiveUnited StatesARIN
AS5774 (USPS-001) is a government network operated by United States Postal Service in United States, registered with ARIN. It has 30 IPv4 prefixes with 334,080 addresses and 2 IPv6 prefixes, which makes it the 876th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses334,080in 30 prefixes
IPv6 prefixes2≈ 9.9 × 10²⁸ addresses
Size rank#876of 82,200 active ASNs
Details
OrganizationUnited States Postal Service
AS nameUSPS-001
Websiteusps.com
Country United States (US)
Network typeGovernment
RegistryARIN
Abuse contactdomainadmin@imail.usps.gov
Registered1995-10-18
Last updated2024-12-26
IPv4 prefixes
30 prefixes · 334,080 addresses| Network | Addresses | First – last address |
|---|---|---|
| 56.0.0.0/16 | 65,536 | 56.0.0.0 – 56.0.255.255 |
| 56.105.0.0/16 | 65,536 | 56.105.0.0 – 56.105.255.255 |
| 56.235.0.0/16 | 65,536 | 56.235.0.0 – 56.235.255.255 |
| 56.235.0.0/17 | 32,768 | 56.235.0.0 – 56.235.127.255 |
| 56.235.128.0/17 | 32,768 | 56.235.128.0 – 56.235.255.255 |
| 56.105.64.0/18 | 16,384 | 56.105.64.0 – 56.105.127.255 |
| 56.105.128.0/18 | 16,384 | 56.105.128.0 – 56.105.191.255 |
| 56.0.64.0/19 | 8,192 | 56.0.64.0 – 56.0.95.255 |
| 56.0.128.0/19 | 8,192 | 56.0.128.0 – 56.0.159.255 |
| 56.0.32.0/20 | 4,096 | 56.0.32.0 – 56.0.47.255 |
| 56.0.192.0/20 | 4,096 | 56.0.192.0 – 56.0.207.255 |
| 56.0.208.0/20 | 4,096 | 56.0.208.0 – 56.0.223.255 |
| 56.105.72.0/21 | 2,048 | 56.105.72.0 – 56.105.79.255 |
| 56.105.80.0/22 | 1,024 | 56.105.80.0 – 56.105.83.255 |
| 56.105.108.0/22 | 1,024 | 56.105.108.0 – 56.105.111.255 |
| 56.105.120.0/22 | 1,024 | 56.105.120.0 – 56.105.123.255 |
| 56.105.156.0/22 | 1,024 | 56.105.156.0 – 56.105.159.255 |
| 56.105.164.0/22 | 1,024 | 56.105.164.0 – 56.105.167.255 |
| 56.105.84.0/23 | 512 | 56.105.84.0 – 56.105.85.255 |
| 56.0.91.0/24 | 256 | 56.0.91.0 – 56.0.91.255 |
| 56.0.95.0/24 | 256 | 56.0.95.0 – 56.0.95.255 |
| 56.0.103.0/24 | 256 | 56.0.103.0 – 56.0.103.255 |
| 56.0.146.0/24 | 256 | 56.0.146.0 – 56.0.146.255 |
| 56.0.151.0/24 | 256 | 56.0.151.0 – 56.0.151.255 |
| 56.0.152.0/24 | 256 | 56.0.152.0 – 56.0.152.255 |
56.0.0.0/16 56.105.0.0/16 56.235.0.0/16 56.235.0.0/17 56.235.128.0/17 56.105.64.0/18 56.105.128.0/18 56.0.64.0/19 56.0.128.0/19 56.0.32.0/20 56.0.192.0/20 56.0.208.0/20 56.105.72.0/21 56.105.80.0/22 56.105.108.0/22 56.105.120.0/22 56.105.156.0/22 56.105.164.0/22 56.105.84.0/23 56.0.91.0/24 56.0.95.0/24 56.0.103.0/24 56.0.146.0/24 56.0.151.0/24 56.0.152.0/24
The 25 largest of 30. The API and the database have all of them.
IPv6 prefixes
2 prefixes- 2610:68::/32
- 2610:68:4000::/34
2610:68::/32 2610:68:4000::/34
Query AS5774 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS5774&key=YOUR_API_KEY"Any address in its prefixes resolves to AS5774, with or without a key:
curl "https://api.ipapi.is/?q=56.0.0.1"Largest networks in United States
AS749 United States Department of Defense (DoD)227,464,192 IPv4 addressesAS16509 Amazon.com, Inc.218,038,784 IPv4 addressesAS7018 AT&T Enterprises, LLC117,262,080 IPv4 addressesAS8075 Microsoft Corporation81,463,040 IPv4 addressesAS721 United States Department of Defense (DoD)73,070,080 IPv4 addressesAS7922 Comcast Cable Communications, LLC68,336,896 IPv4 addresses