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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 | 21,174 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,241 |
| 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 | 373 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,656 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,940 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,379 |
| ONECABLE - OneCable Network LLC |
| 1.5K |
| 32 |
| 8 |
| AS16957US | IDAHOPOWER-NETWORK - Idaho Power Company | 1.5K | 4.1K | 4 |
| AS36440US | TGNA-WCNC - TEGNA Inc. | 1.5K | — | 6 |
| AS40766US | EQUINOX-PAYMENTS - Equinox Payments | 1.5K | — | 6 |
| AS54855US | ISS-01 - Interface Security Systems LLC | 1.5K | — | 6 |
| AS394072US | ABILENE-ISD - Abilene Independent School District | 1.5K | — | 3 |
| AS401863US | TELEPAGE-HELENWOOD - TELE-PAGE, Inc | 1.5K | — | 2 |
| AS10493US | GCN-AS - Grand Central Networks Inc. | 1.5K | — | 6 |
| AS36544US | BWINPARTY-US-01 - BWIN.PARTY ENTERTAINMENT (NJ), LLC | 1.5K | — | 6 |
| AS32739US | CHRISTIANACARE-AS-1 - Christiana Care Health Services, Inc. | 1.5K | — | 6 |
| AS10880US | YAHOO-AN2 - Yahoo Holdings Inc. | 1.5K | 6 | 12 |
| AS54006US | RANCH-WIRELESS-INC - VTX Communications LLC | 1.5K | — | 5 |
| AS11821US | SMARTBURST - SmartBurst LLC | 1.5K | — | 3 |
| AS62807US | NETARYX - NETARYX LLC | 1.5K | 1 | 4 |
| AS393417US | SDNW-393417 - SDN Communications | 1.5K | 65.5K | 4 |
| AS395962US | WSU-VAN-AS - Washington State University | 1.5K | — | 3 |
| AS11246US | AILUJ-AS-A - Ailuj Inc. | 1.5K | — | 3 |
| AS11169US | ARQUENZO-KCMO-01 - Arquenzo LLC | 1.5K | 4.1K | 5 |
| AS63450US | ETHERWEBNET - Ether Web Network, Inc. | 1.5K | — | 3 |
| AS17103US | JRC-NETWORK-SERVICES - Jensen Research Corporation | 1.5K | 16 | 4 |
| AS46852US | IMC-CHICAGO - IMC Markets | 1.5K | — | 3 |
| AS22075US | AS-OUTBRAIN - Outbrain, Inc. | 1.5K | — | 6 |
| AS6349US | BCN-TELECOM-ASN1 - BCN Telecom Inc. | 1.5K | — | 6 |
| AS394563US | ATSG-REDICLOUD - XTIUM, INC. | 1.5K | — | 6 |
| AS46518US | CLOUDPROVIDERUSA - Cloud Provider USA, LLC. | 1.5K | — | 5 |
| AS27395US | OSONET - OSOLABS LLC | 1.5K | — | 6 |
| AS18523US | CHEP-AS1 - CHEP International, Inc. | 1.5K | — | 6 |
| AS54110US | CLEARLYIP1 - Modulis | 1.5K | — | 5 |
| AS20187US | PASSPORTHEALTH - Passport Health Communications, Inc. | 1.5K | — | 6 |
| AS36815US | INTERNETFX-NETWORK - Internet FX | 1.5K | 768 | 8 |
| AS205196US | BIGCORE-ASN BIG CORE LLC | 1.5K | — | 6 |
| AS62929US | 186-ASN - FirstLight Fiber, Inc. | 1.5K | — | 2 |
| AS398091US | ZX4 - zx4.com | 1.5K | — | 3 |
| AS62893US | FIBERWAVE - Fiber Wave, LLC | 1.5K | — | 5 |
| AS22009US | IDM - INTERNET DATA MANAGEMENT, INC. | 1.5K | — | 3 |
| AS54914US | AVERYDENNISON-AS - Avery Dennison Corporation | 1.5K | — | 3 |
| AS40608US | HCTNEBRASKA - HERSHEY COOPERATIVE TELEPHONE CO | 1.5K | — | 2 |
| AS396123US | WAVEBAND-LLC - WAVE.BAND, LLC | 1.5K | — | 6 |
| AS394548US | GIGSTREEM-BOS - GiGstreem | 1.5K | — | 6 |
| AS399788US | QUADSTATE-NET - Quad State Internet LLC | 1.5K | 65.6K | 7 |
| AS54301US | IPHASE-AS - Interphase Communications, Inc. | 1.5K | — | 6 |
| AS62813US | AJ-MADISON - Star Creations Inc. | 1.5K | — | 4 |
| AS939US | USA-2022 - NovoServe LLC | 1.5K | 65.5K | 3 |
| AS22003US | PT-ASN - PALANTIR TECHNOLOGIES INC. | 1.5K | — | 6 |
| AS19535US | AS19535 - JetBlue Airways Corporation | 1.5K | — | 3 |
| AS399925US | CITY-IT-INTERNET-01 - City of Gainesville | 1.5K | — | 5 |
| AS401780US | NNTC - Nucla Naturita Telephone | 1.5K | 1 | 7 |