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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) | 227.5M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218M | 24,389 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,302 |
| 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.
32,169 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,341 |
| — |
| — |
| 0 |
| AS25838US | OMANET - AAA Ohio Motorists Association | — | — | 0 |
| AS25860US | WEBJUICE-NETWORK - WebJuice, LLC | — | — | 0 |
| AS25866US | ND-K12-I2 - State of North Dakota, ITD | — | — | 0 |
| AS25867US | INTRIA-HP-CORP - HEWLETT PACKARD ENTERPRISE COMPANY | — | — | 0 |
| AS26014US | FECI-FDG - Florida East Coast Industries, LLC | — | — | 0 |
| AS26124US | FISHEL-COMP-01 - Team Fishel | — | — | 0 |
| AS26299US | ICANN - ICANN | — | — | 0 |
| AS26433US | ETP-19-26433 - ERGOS Technology Partners | — | — | 0 |
| AS26504US | METRO-VA-KG - Breezeline | — | — | 0 |
| AS26544US | MOORE-CONCEPTS - Moore Concepts | — | — | 0 |
| AS26777US | CBC-COMPANIES-INC - CBC Companies, Inc. | — | — | 0 |
| AS26890US | AIPIV-ASN - AIP IV, LLC | — | — | 0 |
| AS26893US | EPCOM-GLOBAL-NETWORKS-US100 - Epcom Global Networks | — | — | 0 |
| AS26926US | LINDEN-LAB - Linden Lab | — | — | 0 |
| AS27090US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27093US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27136US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27193US | SKYRIVER - Skyriver Communications, Inc. | — | — | 0 |
| AS27251US | ECS - EQUICOMP, LLC | — | — | 0 |
| AS27300US | BAHAMAS-IX-ROUTE-SERVERS - Richmond-IX Corporation | — | — | 0 |
| AS27331US | 161-214-0-0 - DEPARTMENT OF HOMELAND SECURITY | — | — | 0 |
| AS27334US | TELEPAK-NETWORKS - C Spire Fiber | — | — | 0 |
| AS27352US | AS-KDE - Kentucky Department of Education | — | — | 0 |
| AS27355US | SPELASN - Spelman College | — | — | 0 |
| AS27387US | ORBA - Ostrow Reisin Berk & Abrams, Ltd. | — | — | 0 |
| AS27438US | EQUINIX-CX-MT - Equinix, Inc. | — | — | 0 |
| AS27444US | EQUINIX-CX-VA - Equinix, Inc. | — | — | 0 |
| AS27450US | C-IV - California Statewide Automated Welfare System Consortium IV | — | — | 0 |
| AS27481US | COLTRANE - Coltrane Asset Management, L.P. | — | — | 0 |
| AS27536US | GLENVIEW-CAPITAL - Glenview Capital Management, LLC | — | — | 0 |
| AS27571US | TRADEBOT-AS - Tradebot Systems, Inc | — | — | 0 |
| AS27601US | MCA - MCA | — | — | 0 |
| AS29712US | GALAXY - Fiserv Solutions, LLC | — | — | 0 |
| AS29715US | RDI1 - R & D Industries, Inc. | — | — | 0 |
| AS29739US | NEO2 - Neopolitan Networks | — | — | 0 |
| AS29772US | MCKINSEY-AM-SG1 - McKinsey & Company, Inc. | — | — | 0 |
| AS29859US | WOW-INTERNET-ILL - WideOpenWest Finance LLC | — | — | 0 |
| AS29879US | RBDIS80 - RB Distribution Inc | — | — | 0 |
| AS30005US | CORENET-EAST - Coretel America, Inc. | — | — | 0 |
| AS30137US | SPIDERROCK-GW-B - SPIDERROCK HOLDINGS, LLC | — | — | 0 |
| AS30190US | SAIA-ASN - Saia Motor Freight Line | — | — | 0 |
| AS30269US | BERTRAM-COMMUNICATIONS-DCB - Bertram Communications LLC | — | — | 0 |
| AS30274US | TG-413-30274 - TXSE | — | — | 0 |
| AS30289US | ADVANCED-NETWORK-SOLUTIONS - Advanced Network SOlutions | — | — | 0 |
| AS30328US | LIBERTY-MUTUAL - Liberty Mutual Group | — | — | 0 |
| AS30349US | PAYCOR-BGP-AS - Paycor | — | — | 0 |