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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. | 218.1M | 24,635 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,306 |
| 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.
32,220 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 | 3,891 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,003 |
| AS701US | UUNET - Verizon Business | 43.6M | 992 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,360 |
| 256 |
| 1 |
| 2 |
| AS32226US | MENARD-INC - Menard, Inc. | 256 | — | 1 |
| AS393412US | MONOTYPE-HQ - Monotype Imaging Inc | 256 | — | 1 |
| AS63032US | DICOMGRID - DICOM Grid Inc | 256 | — | 1 |
| AS207612US | XTT XTT Ltd Co. LLC | 256 | — | 1 |
| AS395511US | NYCRE-ROC - NY CREATES | 256 | — | 1 |
| AS26045US | LUBBCO1 - Lubbock County | 256 | — | 1 |
| AS53475US | MAHER-TERMINALS - Maher Terminals LLC | 256 | — | 1 |
| AS33622US | NEXET-NETWORK - NEXET, LLC | 256 | 2 | 3 |
| AS396455US | CMM-CMH - CoverMyMeds LLC | 256 | — | 1 |
| AS398414US | AS398414 - Kaman Industrial Technologies | 256 | — | 1 |
| AS53516US | ROSENBERG-AND-ESTIS - Rosenberg & Estis P.C. | 256 | — | 1 |
| AS394145US | SCEFCU - SCE Federal Credit Union | 256 | — | 1 |
| AS53993US | VWG-NET - Victory Wholesale Group | 256 | — | 1 |
| AS26429US | SIERRA-PACIFIC-INDUSTRIES-AN - Sierra Pacific Industries | 256 | — | 1 |
| AS398146US | EMYPEOPLE - eMyPeople LLC | 256 | — | 1 |
| AS394663US | ARTIFICIAL LABS AI USA - Artificial Labs Corp | 256 | — | 1 |
| AS394725US | CALICO - Calico Life Sciences LLC | 256 | — | 1 |
| AS22014US | INNOVATION-NETWORK - City of Las Vegas | 256 | 256 | 2 |
| AS16428US | SFS-AS1 - Store Financial Services, LLC | 256 | — | 1 |
| AS393671US | WABHM - Warren Averett, LLC | 256 | — | 1 |
| AS36141US | PLAYA-01 - Playa Pointe, LLC | 256 | — | 1 |
| AS30454US | CO-LIN - Copiah-Lincoln Community College | 256 | — | 1 |
| AS54445US | DIERBERGS - Dierbergs | 256 | — | 1 |
| AS13850US | FRACTALCORE - FractalCore LLC | 256 | — | 1 |
| AS396848US | DEC-139 - Delaware Electric Cooperative, Inc. | 256 | — | 1 |
| AS32029US | SMLNY - Security Mutual Life Insurance Company of New York | 256 | — | 1 |
| AS22350US | ECMD - ECMD INC. | 256 | — | 1 |
| AS397503US | DC001POC-01 - Nuvek LLC. | 256 | — | 1 |
| AS22204US | ACETO - Aceto Corporation | 256 | — | 1 |
| AS23443US | SCMG-SAV - South Coast Medical Group LLC | 256 | — | 1 |
| AS399897US | FULLSPANSOLUTIONS-AS01 - Full Span Solutions LLC | 256 | — | 1 |
| AS397646US | MHU - Mars Hill University | 256 | 8.2K | 4 |
| AS62832US | FASTMATCH-1 - Fastmatch Inc | 256 | — | 1 |
| AS396029US | ACT-SVCS-01 - Account Services | 256 | — | 1 |
| AS393225US | ARIN-PFS-IAD - ARIN Operations | 256 | 1 | 2 |
| AS219158US | MDWS Benjamin Meadows | 256 | 1 | 2 |
| AS398545US | COUNTY-OF-VOLUSIA - County of Volusia | 256 | — | 1 |
| AS17131US | OEM-CONTROLS - OEM Controls, Inc. | 256 | — | 1 |
| AS394675US | LITTEN-COMMUNICATIONS-01 - Litten Communications LLC | 256 | — | 1 |
| AS395124US | KLG - Keller Logistics Group, INC | 256 | — | 1 |
| AS399483US | YVMH-AS01 - Yakima Valley Memorial | 256 | — | 1 |
| AS19590US | FICOH-ASN-1 - FICOH | 256 | — | 1 |
| AS26920US | DTI-EAST-SLCL - DataGroup Technologies, LLC | 256 | — | 1 |
| AS15059US | CENLAR-FSB-2020 - Cenlar FSB | 256 | — | 1 |
| AS11343US | WHOOP-ASN - Whoop, Inc. | 256 | — | 1 |
| AS11611US | ARCTICFOX - Arctic Fox Networks Inc | 256 | 4.1K | 2 |