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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 | 23,999 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,154 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 231 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,882 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,990 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,318 |
| — |
| — |
| 0 |
| AS32080US | 3PLAI - 3plai LLC | — | — | 0 |
| AS32188US | JPFINANCIAL - JEFFERSON-PILOT LIFE INSURANCE COMPANY | — | — | 0 |
| AS32292US | 3RED - 3Red Partners LLC | — | — | 0 |
| AS32314US | JAGWIRELESS - Jag Wire Enterprises, Inc. | — | — | 0 |
| AS32346US | SAKURA-SEA - SAKURA LTD. | — | — | 0 |
| AS32356US | COMMUNITY-TEL-INC - Ronan Telephone Company | — | — | 0 |
| AS32387US | CHARTER-32387-NA - Charter Communications LLC | — | — | 0 |
| AS32404US | ACDIV01AS - ACDI/VOCA | — | — | 0 |
| AS32414US | FMC-MIA - FMC Globalsat, Inc. | — | — | 0 |
| AS32485US | BLACKEDGE-US-01 - Black Edge Capital, LLC | — | — | 0 |
| AS32495US | DNBWALTHAM - IMarket Inc. | — | — | 0 |
| AS32632US | VAULT-NETWORKS - VOLICO | — | — | 0 |
| AS32669US | 32669 - WACOM TECHNOLOGY CORPORATION | — | — | 0 |
| AS32700US | HOMENET - Homenet Inc | — | — | 0 |
| AS32740US | SLIQUA - Sliqua Enterprise Hosting, Inc. | — | — | 0 |
| AS32796US | VETERANS-TRANSPORTATION - Veterans Transportation Services Inc. | — | — | 0 |
| AS32888US | SECURE-24-DCB - NTT Managed Services Americas, LLC | — | — | 0 |
| AS32921US | ZSCALER-NEWYORK - ZSCALER, INC. | — | — | 0 |
| AS32961US | VONAGE-06 - Vonage Holdings, Inc. | — | — | 0 |
| AS33072US | ISC-F-AS - Internet Systems Consortium, Inc. | — | — | 0 |
| AS33219US | CHARTER-33219-NA - Charter Communications LLC | — | — | 0 |
| AS33265US | LEEBHMG-ASN-33265 - Lee Enterprises, Incorporated | — | — | 0 |
| AS33276US | JRD - Jetro, Restaurant Depot | — | — | 0 |
| AS33305US | INFODIR - Info Directions, Inc. | — | — | 0 |
| AS33384US | TEVA-NA - Teva Pharmaceuticals USA, INC | — | — | 0 |
| AS33436US | CODETINI - Codetini LLC | — | — | 0 |
| AS33502US | SUNGARDAS-33502 - BroadbandONE, LLC | — | — | 0 |
| AS33525US | NAHQUC - LG CNS America Inc. | — | — | 0 |
| AS33591US | MERITAIN-AS - Meritain Health, Inc. | — | — | 0 |
| AS33679US | SOVATO-HEALTH-INC - Sovato Health, Inc. | — | — | 0 |
| AS33687US | HPINC - HP Inc. | — | — | 0 |
| AS33716US | UP-TIME-TECHNOLOGY-ISP-1 - Up Time Technology, Inc. | — | — | 0 |
| AS35879US | CAPE-COD-COMPUTER-INC - Cape Cod Computer, Inc. | — | — | 0 |
| AS35881US | GICU - Greater Iowa Credit Union | — | — | 0 |
| AS35912US | ANCHORCOMPUTER-INC - Anchor Computer Inc. | — | — | 0 |
| AS35915US | DCMSERVICES - DCM Services, LLC | — | — | 0 |
| AS35941US | MOSAIC - Mosaic Data Services, Inc. | — | — | 0 |
| AS35989US | BAKER-AND-HOSTETLER-LLP - Baker & Hostetler, LLP | — | — | 0 |
| AS35993US | AKAMAI-AS - Akamai Technologies, Inc. | — | — | 0 |
| AS36018US | MEDSOLUTIONS - Medsolutions, Inc | — | — | 0 |
| AS36121US | NUCOM - Nucom Technology, Inc. | — | — | 0 |
| AS36241US | NUVEUM - Nuveum Inc. | — | — | 0 |
| AS36317US | TOLL-GIBR - TOLL BROTHERS INC | — | — | 0 |
| AS36371US | ST-CHI - Mitel Networks, Inc. | — | — | 0 |
| AS36404US | WAPA-ASN - Western Area Power Administration | — | — | 0 |
| AS36419US | ZNL-15-36419 - GIGAPATH LLC | — | — | 0 |