AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
USPS-001 United States Postal Service. 22 2 135,168 4,294,967,296 United States
135,168 IPv4 Addresses
CIDR Description IP Num
56.0.32.0/20 United States Postal Service. 4096
56.0.64.0/19 United States Postal Service. 8192
56.0.86.0/23 United States Postal Service. 512
56.0.128.0/19 United States Postal Service. 8192
56.0.146.0/24 United States Postal Service. 256
56.0.149.0/24 United States Postal Service. 256
56.0.160.0/19 United States Postal Service. 8192
56.0.192.0/20 United States Postal Service. 4096
56.0.208.0/20 United States Postal Service. 4096
56.105.64.0/18 United States Postal Service. 16384
56.105.66.0/24 United States Postal Service. 256
56.105.67.0/24 United States Postal Service. 256
56.105.72.0/21 United States Postal Service. 2048
56.105.80.0/22 United States Postal Service. 1024
56.105.84.0/23 United States Postal Service. 512
56.105.120.0/22 United States Postal Service. 1024
56.105.128.0/18 United States Postal Service. 16384
56.105.129.0/24 United States Postal Service. 256
56.105.130.0/24 United States Postal Service. 256
56.105.164.0/22 United States Postal Service. 1024
56.235.0.0/17 United States Postal Service. 32768
56.235.128.0/17 United States Postal Service. 32768
CIDR Description IP NUMs(prefix /64)
2610:68::/32 United States Postal Service. 4294967296
2610:68:4000::/34 United States Postal Service. 1073741824
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS2828 XO-AS15 - MCI Communications Services, Inc. d/b/a Verizon Business, US United States 6,778,112 4,295,098,368 IPv4 IPv4
AS7018 ATT-INTERNET4 - AT&T Services, Inc., US United States 83,911,424 2,328,426,512,384 IPv4 IPv4
AS13979 ATT-IPFR - AT&T Services, Inc., US United States 15,872 0 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
56.0.33.26 1 retail-pi.usps.com
56.0.33.29 4 wp1-ext.usps.gov
56.0.33.31 3 ems.usps.com
56.0.33.32 1 ssp.usps.gov
56.0.33.33 1 onlineclaims.usps.com
56.0.33.36 1 pdx.usps.com
56.0.33.37 1 amps.usps.gov
56.0.33.38 1 omas.usps.com
56.0.33.81 2 prd2faq.usps.com
56.0.33.82 1 epayroll.usps.gov
ASNumber:       5774
ASName:         USPS-001
ASHandle:       AS5774
RegDate:        1995-10-17
Updated:        2008-02-06    
Ref:            https://rdap.arin.net/registry/autnum/5774


OrgName:        United States Postal Service.
OrgId:          USPS-3
Address:        4200 Wake Forest Road
City:           Raleigh
StateProv:      NC
PostalCode:     27668-9007
Country:        US
RegDate:        1995-10-17
Updated:        2017-01-28
Ref:            https://rdap.arin.net/registry/entity/USPS-3


OrgTechHandle: ZU38-ARIN
OrgTechName:   Domain Admin
OrgTechPhone:  +1-800-877-7435 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ZU38-ARIN

OrgAbuseHandle: ZU38-ARIN
OrgAbuseName:   Domain Admin
OrgAbusePhone:  +1-800-877-7435 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZU38-ARIN