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How United States ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to United States over time.
The largest autonomous systems registered to United States by IPv4 footprint.
| AS | Holder | IPv4 | Prefixes |
|---|---|---|---|
| AS749US | DNIC-AS-00749 - United States Department of Defense (DoD) | 227.7M | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,163 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,248 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) |
United States against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 398 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,712 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,958 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,299 |
| — |
| — |
| 0 |
| AS401342US | STANFORD-MOBILE - Stanford University | — | — | 0 |
| AS401424US | BC-001 - Brello Cloud | — | — | 0 |
| AS401480US | BGEA - Billy Graham Evangelistic Association | — | — | 0 |
| AS401525US | WACHT-11-ASN1 - Wachter | — | — | 0 |
| AS401559US | ASN2-ONEOK-INC - ONEOK | — | — | 0 |
| AS401567US | COMTER - Comter Networks LLC | — | — | 0 |
| AS401573US | BHD-CLD1 - BlackHawk Data LLC | — | — | 0 |
| AS401614US | 7NETS - 7Nets | — | — | 0 |
| AS401625US | EXBAND-NETWORKS - Exband LLC | — | — | 0 |
| AS401629US | CLOUDAT - CLOUD ATLAS LLC | — | — | 0 |
| AS401651US | BLUE-ANT - Blue Ant, LLC | — | — | 0 |
| AS401660US | RCCA-209NET - SBC Wireless Inc | — | — | 0 |
| AS401865US | ITHACA-NETWORK - Ithaca Broadband LLC | — | — | 0 |
| AS402047US | SMARTWAVE-BROADBAND-AS - SmartWave Broadband LLC | — | — | 0 |
| AS402068US | OKGT - One King God Of Thunder LLC | — | — | 0 |
| AS402099US | UHNJ-ASN - University Hospital | — | — | 0 |
| AS402125US | UMASSAMHERST-SCIENCEDMZ-01 - University of Massachusetts - AMHERST | — | — | 0 |
| AS402178US | LIVELINK-ISP-5885981 - Live Link ISP LLC | — | — | 0 |
| AS402262US | NJJ-DATASERVICES-LLC - NJJ Data Services LLC | — | — | 0 |
| AS402268US | YUGS-2 - YUGS Networks Ltd. | — | — | 0 |
| AS402299US | 1600FREEMAN - 1600 Freeman LLC | — | — | 0 |
| AS402350US | ARCBOX - ArcBox | — | — | 0 |
| AS402355US | VISENTRY-NET - Visentry | — | — | 0 |
| AS402445US | USGC - U.S. | — | — | 0 |
| AS402459US | LISTKIT-US - ListKit | — | — | 0 |
| AS402489US | LINKROUTE-US - LINKROUTE | — | — | 0 |
| AS402517US | DATAWORLDNET - Data | — | — | 0 |
| AS402526US | GW - Glintweaver | — | — | 0 |
| AS402574US | LIVINGSTON - Livingston | — | — | 0 |
| AS402579US | STSB-NET-FTTH - STS | — | — | 0 |
| AS107US | ECSNET-AS - Air Force Systems Networking | — | — | 0 |
| AS130US | CSOCNET-AS - Space Communications Division | — | — | 0 |
| AS139US | DNIC-AS-00139 - Navy Network Information Center (NNIC) | — | — | 0 |
| AS150US | DNIC-AS-00150 - United States Department of Defense (DoD) | — | — | 0 |
| AS192US | ROCHINSTTECH - Rochester Institute of Technology | — | — | 0 |
| AS200US | CENTURYLINK-LEGACY-LVLT-200 - Level 3 Parent, LLC | — | — | 0 |
| AS207US | CLI-GW-AS - Computational Logic, Inc. | — | — | 0 |
| AS246US | ASIFICS-GW-AS - Air Force Systems Networking | — | — | 0 |
| AS266US | AS-ITDS - IT Digital Services LLC | — | — | 0 |
| AS410US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS429US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS438US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS445US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS448US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS466US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS471US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |