Country | Announced Prefix | Description | Valid ROA | Parent Prefix | RIR |
---|---|---|---|---|---|
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56.0.0.0/16 | United States Postal Service. | 56.0.0.0/8 | ARIN | |
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56.0.32.0/20 | United States Postal Service | 56.0.0.0/8 | ARIN | |
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56.0.64.0/19 | United States Postal Service | 56.0.0.0/8 | ARIN | |
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56.0.91.0/24 | United States Postal Service. | 56.0.0.0/11 | ARIN | |
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56.0.95.0/24 | United States Postal Service | 56.0.0.0/8 | ARIN | |
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56.0.103.0/24 | United States Postal Service | 56.0.0.0/12 | ARIN | |
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56.0.128.0/19 | United States Postal Service | 50.127.0.0/16 | ARIN | |
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56.0.146.0/24 | United States Postal Service | 56.0.0.0/12 | ARIN | |
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56.0.151.0/24 | United States Postal Service. | 56.0.0.0/8 | ARIN | |
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56.0.152.0/24 | United States Postal Service | 56.0.0.0/15 | ARIN | |
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56.0.155.0/24 | United States Postal Service | 56.0.0.0/15 | ARIN | |
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56.0.192.0/20 | United States Postal Service | 56.0.0.0/8 | ARIN | |
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56.0.208.0/20 | United States Postal Service | 56.0.0.0/8 | ARIN | |
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56.105.0.0/16 | United States Postal Service. | 56.0.0.0/8 | ARIN | |
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56.105.64.0/18 | United States Postal Service | 50.128.0.0/9 | ARIN | |
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56.105.65.0/24 | United States Postal Service | 56.105.0.0/16 | ARIN | |
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56.105.67.0/24 | United States Postal Service | 56.0.0.0/8 | ARIN | |
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56.105.72.0/21 | United States Postal Service | 56.96.0.0/11 | ARIN | |
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56.105.80.0/22 | United States Postal Service | 56.96.0.0/11 | ARIN | |
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56.105.84.0/23 | United States Postal Service | 56.0.0.0/8 | ARIN | |
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56.105.108.0/22 | United States Postal Service | 56.105.0.0/16 | ARIN | |
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56.105.120.0/22 | United States Postal Service | 59.78.0.0/15 | APNIC | |
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56.105.128.0/24 | United States Postal Service. | 56.0.0.0/8 | ARIN | |
![]() |
56.105.128.0/18 | United States Postal Service | 56.0.0.0/8 | ARIN | |
![]() |
56.105.129.0/24 | United States Postal Service | 56.0.0.0/8 | ARIN | |
![]() |
56.105.156.0/22 | United States Postal Service | 56.105.0.0/16 | ARIN | |
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56.105.164.0/22 | United States Postal Service | 56.96.0.0/11 | ARIN | |
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56.235.0.0/17 | United States Postal Service | 56.235.0.0/16 | ARIN | |
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56.235.0.0/16 | United States Postal Service. | 56.0.0.0/8 | ARIN | |
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56.235.128.0/17 | United States Postal Service | 56.235.0.0/16 | ARIN |
Country | Announced Prefix | Description | Valid ROA | Parent Prefix | RIR |
---|---|---|---|---|---|
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2610:68::/32 | United States Postal Service. | 2610:68::/32 | ARIN | |
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2610:68:4000::/34 | United States Postal Service. | 2610:68::/32 | ARIN |
Country | ASN | Name | Description | IPv6 |
---|---|---|---|---|
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AS701 | UUNET | Verizon Business | |
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AS33651 | CMCS | Comcast Cable Communications, LLC | |
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AS6224 | CENTURYLINK-MTIPS2-CHI | CenturyLink Communications, LLC | |
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AS13367 | COMCAST-13367 | Comcast Cable Communications, LLC | |
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AS7018 | ATT-INTERNET4 | AT&T Enterprises, LLC | |
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AS33667 | CMCS | Comcast Cable Communications, LLC | |
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AS4296 | CENTURYLINK-MTIPS3-BUR | CenturyLink Communications, LLC |
Country | ASN | Name | Description | IPv6 |
---|---|---|---|---|
![]() |
AS6224 | CENTURYLINK-MTIPS2-CHI | CenturyLink Communications, LLC | |
![]() |
AS701 | UUNET | Verizon Business | |
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AS4296 | CENTURYLINK-MTIPS3-BUR | CenturyLink Communications, LLC | |
![]() |
AS13367 | COMCAST-13367 | Comcast Cable Communications, LLC | |
![]() |
AS7018 | ATT-INTERNET4 | AT&T Enterprises, LLC | |
![]() |
AS33651 | CMCS | Comcast Cable Communications, LLC | |
![]() |
AS33667 | CMCS | Comcast Cable Communications, LLC |
Country | ASN | Name | Description | IPv4 |
---|---|---|---|---|
![]() |
AS6224 | CENTURYLINK-MTIPS2-CHI | CenturyLink Communications, LLC | |
![]() |
AS4296 | CENTURYLINK-MTIPS3-BUR | CenturyLink Communications, LLC |
# # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2025, American Registry for Internet Numbers, Ltd. # ASNumber: 5774 ASName: USPS-001 ASHandle: AS5774 RegDate: 1995-10-18 Updated: 2024-12-26 Ref: https://rdap.arin.net/registry/autnum/5774 OrgName: United States Postal Service OrgId: USPS-3-Z Address: 4200 Wake Forest Road City: Raleigh StateProv: NC PostalCode: 27668-9007 Country: US RegDate: 2021-07-27 Updated: 2024-12-26 Ref: https://rdap.arin.net/registry/entity/USPS-3-Z OrgTechHandle: YOKLA1-ARIN OrgTechName: Yoklavich, John OrgTechPhone: +1-919-501-9334 OrgTechEmail: john.f.yoklavich@usps.gov OrgTechRef: https://rdap.arin.net/registry/entity/YOKLA1-ARIN OrgTechHandle: KONTO18-ARIN OrgTechName: Kontos, Emmanuel OrgTechPhone: +1-919-649-7461 OrgTechEmail: emmanuel.kontos@usps.gov OrgTechRef: https://rdap.arin.net/registry/entity/KONTO18-ARIN OrgTechHandle: ZU38-ARIN OrgTechName: Domain Admin OrgTechPhone: +1-800-877-7435 OrgTechEmail: domainadmin@imail.usps.gov OrgTechRef: https://rdap.arin.net/registry/entity/ZU38-ARIN OrgAbuseHandle: ZU38-ARIN OrgAbuseName: Domain Admin OrgAbusePhone: +1-800-877-7435 OrgAbuseEmail: domainadmin@imail.usps.gov OrgAbuseRef: https://rdap.arin.net/registry/entity/ZU38-ARIN # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2025, American Registry for Internet Numbers, Ltd. #
Country | IX | Name | IPv4 | IPv6 | Port Speed |
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