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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,681 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,370 |
| 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.
32,364 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 236 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,914 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,047 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,503 |
| — |
| — |
| 0 |
| AS31745US | ZENPLI-NAR-PRD - Zenpli | — | — | 0 |
| AS31748US | COIX-RS - COIX | — | — | 0 |
| AS31876US | K2SHARE-TXRICVRC - K2Share LLC | — | — | 0 |
| AS31984US | ASAVIE-TECHNOLOGIES-INC - Akamai Technologies, Inc. | — | — | 0 |
| AS32023US | ANADARKO - Occidental Petroleum Corporation | — | — | 0 |
| AS32147US | HMIC - Nationwide Mutual Insurance Company | — | — | 0 |
| AS32154US | NATIONAL-RESEARCH-CORPORATION - National Research Corp. | — | — | 0 |
| AS32183US | CTI-AS-3 - CTI Networks Inc. | — | — | 0 |
| AS32214US | AGIO - Agio LLC | — | — | 0 |
| AS32275US | MCKINSEY-US-STP - McKinsey & Company, Inc. | — | — | 0 |
| AS32490US | HI-SPEED-US - South Central Communications, Inc. | — | — | 0 |
| AS32574US | DIGI-AS32574 - DigiCert, Inc. | — | — | 0 |
| AS32589US | HTLF-PUBLIC-AS - UMB Bank, NA | — | — | 0 |
| AS32615US | ADVANTAGE-CELLULAR-SYSTEMS-INC - ADVANTAGE CELLULAR SYSTEMS, INC | — | — | 0 |
| AS32620US | JELLY-TELECOM - Jelly Telecom LLC | — | — | 0 |
| AS32732US | DCT-TELECOM - Momentum Telecom, Inc. | — | — | 0 |
| AS32803US | INFINEON TECHNOLOGIES AMERICAS CORP - Infineon technologies Americas Corp | — | — | 0 |
| AS32870US | RADIAN6 - Salesforce.com, Inc. | — | — | 0 |
| AS32880US | TELEVOX - Televox, Inc. | — | — | 0 |
| AS32925US | HILMARCHEESE - HILMAR CHEESE COMPANY | — | — | 0 |
| AS32962US | VONAGE-06 - Vonage Holdings, Inc. | — | — | 0 |
| AS32965US | VONAGE-06 - Vonage Holdings, Inc. | — | — | 0 |
| AS32966US | VONAGE-06 - Vonage Holdings, Inc. | — | — | 0 |
| AS32967US | VONAGE-06 - Vonage Holdings, Inc. | — | — | 0 |
| AS33050US | REMAX-INTERNATIONAL - RE/Max International, Inc. | — | — | 0 |
| AS33053US | CLIPPER-MAGAZINE-NET - CLIPPER MAGAZINE | — | — | 0 |
| AS33140US | VERO-NETWORKS-AS33140 - Vero Broadband | — | — | 0 |
| AS33142US | OSWI-NET - Ultimate Internet Access, Inc | — | — | 0 |
| AS33148US | TEXAS-STATE-UNIVERSITY-SYSTEM - Texas State University | — | — | 0 |
| AS33163US | HEALTHPARTNERSPA - Health Partners Plans, Inc. | — | — | 0 |
| AS33172US | MERIDIAN-GROUP-INTL - Meridian Leasing Corporation | — | — | 0 |
| AS33253US | OURAYNET - OurayNet | — | — | 0 |
| AS33258US | HSL-155-33258 - Highline Services, LLC | — | — | 0 |
| AS33542US | COMCAST-TELECOMM-3 - Comcast Cable Communications, LLC | — | — | 0 |
| AS33731US | BOCUSADR - Bank of China | — | — | 0 |
| AS33732US | WXYZ-HOSTING-01 - WXYZ HOSTING LLC | — | — | 0 |
| AS35883US | PAVLOVMEDIA-TE - PAVLOV MEDIA INC | — | — | 0 |
| AS35899US | MARI-ASN - MARI USA HOLDINGS LLC | — | — | 0 |
| AS35926US | CHARTER-35926-NA - Charter Communications LLC | — | — | 0 |
| AS35970US | GCL-184-35970 - 2Guys Colo, LLC | — | — | 0 |
| AS36016US | DTSFIBER-1-CORE - DTS Fiber | — | — | 0 |
| AS36039US | GOOGLE - Google LLC | — | — | 0 |
| AS36130US | HUDSON-RIVER-PARK-TRUST - Hudson River Park Trust | — | — | 0 |
| AS36135US | ASKMWH01 - IAC Search & Media Inc | — | — | 0 |
| AS36220US | STORENET - Designs Apparel, Inc. | — | — | 0 |
| AS36238US | JHKELLY - JHKelly, LLC | — | — | 0 |