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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 | 21,226 |
| 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 | 408 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,718 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,959 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,300 |
| — |
| — |
| 0 |
| AS36520US | GEN-AS3 - Google LLC | — | — | 0 |
| AS36557US | COWEN-INC - Ramius Capital Group, L.L.C. | — | — | 0 |
| AS36583US | VELOCITY-SEA - Velocity Technology Solutions, Inc | — | — | 0 |
| AS36594US | MOL - Medicine Online, Inc. | — | — | 0 |
| AS36604US | LATINSCHOOL - The Latin School of Chicago | — | — | 0 |
| AS36616US | AGTLD - VeriSign Global Registry Services | — | — | 0 |
| AS36617US | AGTLD - VeriSign Global Registry Services | — | — | 0 |
| AS36620US | EGTLD - VeriSign Global Registry Services | — | — | 0 |
| AS36694US | VIEWPOST-ASN - Viewpost | — | — | 0 |
| AS36735US | METTEL-CAMB - MetTel | — | — | 0 |
| AS36806US | AERIS-SJCORP-BGPNET - Aeris Communications, Inc. | — | — | 0 |
| AS39967US | PATH-NETWORK - Path Network, Inc. | — | — | 0 |
| AS40151US | ELITE - Old Dominion University | — | — | 0 |
| AS40201US | ASN-CSYSTEMS-2 - MSTAR.net LLC | — | — | 0 |
| AS40235US | WEXFORD-CAPITAL-LLC - Wexford Capital LLC | — | — | 0 |
| AS40251US | SAGESO-40251 - Sage Software, Inc. | — | — | 0 |
| AS40273US | FRONTPOINT-AS2 - FrontPoint Partners LP | — | — | 0 |
| AS40341US | Q9-AS-CAL2 - Equinix, Inc. | — | — | 0 |
| AS40402US | LITHIUM - Khoros, LLC | — | — | 0 |
| AS40407US | ZOOMFIBER-02 - Zoom Fiber | — | — | 0 |
| AS40441US | CHARLES-SCHWAB-40441 - Charles Schwab & Co., Inc. | — | — | 0 |
| AS40477US | HYDROTEX-NETWORK - Hydrotex Partners, Ltd. | — | — | 0 |
| AS40496US | NEXGENACCESS - NEXGENACCESS, INC. | — | — | 0 |
| AS40653US | OIS-01 - Objective Interface Systems, Inc. | — | — | 0 |
| AS40803US | KNOWNWEBHOSTING - THEHOSTINGSOLUTION.COM L.L.C. | — | — | 0 |
| AS40811US | GOLUB-AS-2008 - Golub Capital Incorporated | — | — | 0 |
| AS40829US | ALAS-CHI - Attorneys' Liability Assurance Society, Inc. | — | — | 0 |
| AS40840US | AS-OMNIVA-BB - Omniva LLC | — | — | 0 |
| AS40932US | HSKPLAW - Hutchens, Senter, Kellam and Pettit, PA | — | — | 0 |
| AS40941US | GEOLINKS-AS - GeoLinks | — | — | 0 |
| AS43217US | HEIDRICK-STRUGGLES-PARIS Heidrick and Struggles International Inc | — | — | 0 |
| AS45915US | YAHOO-AS-AP - Yahoo Inc. | — | — | 0 |
| AS46141US | OMNIPOP - Big Ten Academic Alliance | — | — | 0 |
| AS46296US | WHITEHAT - WhiteHat Inc. | — | — | 0 |
| AS46438US | NOVO-BUILDING-PRODUCTS - The Empire Company, Inc. | — | — | 0 |
| AS46499US | JEIX-US - AirRabbit, LLC | — | — | 0 |
| AS46611US | CLAYSCHOOLS - Clay County Schools | — | — | 0 |
| AS46625US | HELLMAN-JORDAN-MANAGEMENT-COMPANY-INC-ASN - Hellman Jordan Management Company Inc. | — | — | 0 |
| AS46712US | QTS-COS - Quality Technology Services, LLC | — | — | 0 |
| AS46731US | AS-CITYOFJEFFERSON - City of Jefferson | — | — | 0 |
| AS46748US | AS46748 - Graduate School USA | — | — | 0 |
| AS46831US | OUTRIGGER-COM-HNL - OUTRIGGER ENTERPRISES, INC. | — | — | 0 |
| AS46893US | TRANSWORKS - Norfolk Southern Railway Company | — | — | 0 |
| AS46896US | CSGA - CSG Systems Inc. | — | — | 0 |
| AS46948US | LYCEE-505 - Lycee Francais De New York | — | — | 0 |
| AS46954US | AS-SIGMANET - CONVERGEONE HOLDINGS, INC. | — | — | 0 |