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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) | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 24,372 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,235 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,006 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,275 |
| — |
| — |
| 0 |
| AS46295US | ATNL-3-46295 - All Tribal Networks LLC | — | — | 0 |
| AS46306US | BAC-ASN2011BGP - BACTES | — | — | 0 |
| AS46321US | FISD - Forney Independent School District | — | — | 0 |
| AS46332US | ACTBLUETECH - ActBlue Technical Services, Inc. | — | — | 0 |
| AS46344US | ASPIRELIFESTYLES-BURLINGTON - Circle Company Associates, Inc. | — | — | 0 |
| AS46380US | BANK-OF-AGRICULTURE-AND-COMMERCE - BAC | — | — | 0 |
| AS46393US | ALTIUS-KY-AS - ALTIUS Broadband, LLC | — | — | 0 |
| AS46427US | SF-INNOV - SF Innovations Inc. | — | — | 0 |
| AS46500US | HUNTSVILLE-IX-ROUTE-SERVERS - Richmond-IX Corporation | — | — | 0 |
| AS46532US | BARE-METAL-CLOUD - Newservers Incorporated | — | — | 0 |
| AS46602US | TPC - PLAIN DEALER PUBLISHING CO. | — | — | 0 |
| AS46648US | SUTTERHEALTH - Sutter Health | — | — | 0 |
| AS46666US | MARKETAXESSTECH-INC-AS - MarketAxess Technologies, Inc. | — | — | 0 |
| AS46668US | KBMG - Choreograph | — | — | 0 |
| AS46819US | CHOCTAW-DETROIT - CHOCTAW-KAUL DISTRIBUTION COMPANY | — | — | 0 |
| AS46845US | NATURE-AMERICA-SF - Springer Nature America, INC | — | — | 0 |
| AS46911US | HSMNDC2-1 - Best Buy Co., Inc. | — | — | 0 |
| AS46989US | CBEYOND - Fusion, LLC | — | — | 0 |
| AS48300US | PIPELLC-NET Pipe Networks LLC | — | — | 0 |
| AS53304US | ABACUS-GROUP - Abacus Group LLC | — | — | 0 |
| AS53345US | ONE-SOURCE-NETWORKS - GTT Americas, LLC | — | — | 0 |
| AS53431US | NUVAS - NuVasive Inc. | — | — | 0 |
| AS53458US | GROSV - Grosvenor Capital Management L.P. | — | — | 0 |
| AS53480US | VAULTASVA-ASN - Vaultas Alexandria, LLC | — | — | 0 |
| AS53481US | VISANET-6 - VISA INTERNATIONAL SERVICE ASSOCIATION | — | — | 0 |
| AS53495US | SICOM-ASN - SICOM Systems, Inc | — | — | 0 |
| AS53582US | SOLFO - Solfo Inc. | — | — | 0 |
| AS53651US | WCCU-ASN-01 - WCCU Credit Union | — | — | 0 |
| AS53665US | BODIS-1 - Bodis, LLC | — | — | 0 |
| AS53683US | FQLA - FloQast, Inc | — | — | 0 |
| AS53690US | AVAILITY-1 - Availity | — | — | 0 |
| AS53705US | WFSCORP - World Fuel Services Corporation | — | — | 0 |
| AS53762US | TERACORP - Teratech Corporation | — | — | 0 |
| AS53885US | SPILLMAN - Spillman Technologies, Inc. | — | — | 0 |
| AS53892US | FCPS - Flagler County Public Schools | — | — | 0 |
| AS53916US | CAMPUSDOOR - Campus Door Holdings Inc. | — | — | 0 |
| AS53972US | WEPA-LLC - WEPA | — | — | 0 |
| AS54055US | RSNB-01 - RSNB Bank | — | — | 0 |
| AS54064US | STIG - STI Group | — | — | 0 |
| AS54080US | COX - CoxWireless | — | — | 0 |
| AS54083US | LIVESTREAM-USA-NYC-1 - Livestream LLC | — | — | 0 |
| AS54173US | ACCELAHOSTING-1 - Accela, Inc. | — | — | 0 |
| AS54195US | CMCVICTX - Citizens Medical Center | — | — | 0 |
| AS54217US | THOMASASN01 - Thomas Reprographics, Inc | — | — | 0 |
| AS54369US | VSD-KET - Victoria's Secret | — | — | 0 |
| AS54376US | LYNX-NETWORK-GROUP - Lynx Network Group, Inc. | — | — | 0 |