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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) | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 24,512 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,235 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,002 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,281 |
| TURNKEY-INTERNET - Turnkey Internet Inc. |
| — |
| — |
| 0 |
| AS10874US | SUNSET-DIRECT - Sunset Direct | — | — | 0 |
| AS10883US | LIFEPOINT - Labtest.com, Inc | — | — | 0 |
| AS11034US | INTELEPEER-US - IntelePeer, Inc. | — | — | 0 |
| AS11113US | XO-AS11113 - Verizon Business | — | — | 0 |
| AS11122US | CACI-NET - CACI INC | — | — | 0 |
| AS11220US | COGENT-11220 - Cogent Communications, LLC | — | — | 0 |
| AS11224US | SIR - Schaeffer's Investment Research | — | — | 0 |
| AS11299US | DIALISDN - Dial ISDN, Inc | — | — | 0 |
| AS11308US | APTIV-NET - APTIV SERVICES US, LLC | — | — | 0 |
| AS11366US | DWARVEN-HOLDINGS - Dwarven Holdings, LLC | — | — | 0 |
| AS11376US | CHOICE-BGP - Choice Logistics, Inc. | — | — | 0 |
| AS11416US | GLWAS - Great Lakes Wine & Spirits | — | — | 0 |
| AS11469US | ZONECLOUD - ZoneCloud Network LLC | — | — | 0 |
| AS11473US | WATCH-WCOIL - Watch Communications | — | — | 0 |
| AS11505US | TUPNET - Party Products LLC | — | — | 0 |
| AS11530US | CENTURYLINK-LEGACY-EMBARQ-MNFD - CenturyLink Communications, LLC | — | — | 0 |
| AS11531US | BITNEST - Bitnest Tech LLC | — | — | 0 |
| AS11557US | CROWNCASTLE-AS11557 - Crown Castle Fiber LLC | — | — | 0 |
| AS11567US | GANNETT3-NET - Gannett Co. Inc. | — | — | 0 |
| AS11578US | GANNETT2-NET - Gannett Co. Inc. | — | — | 0 |
| AS11593US | AS11593 - AKRS | — | — | 0 |
| AS11780US | BASIN-NETWORKING - Basin Networking | — | — | 0 |
| AS11788US | BAJAU-CO-NM-TX - TDS TELECOM | — | — | 0 |
| AS11914US | HUMONGOUS - Humongous Entertainment | — | — | 0 |
| AS12098US | MUFG BANK LTD - MUFG Bank Ltd. | — | — | 0 |
| AS12107US | DEALER-COM - Dealer Dot Com Inc. | — | — | 0 |
| AS12116US | FHLB - Federal Home Loan Bank of Dallas | — | — | 0 |
| AS12260US | KCA-NET - Kramer, Ceilley and Associates | — | — | 0 |
| AS12469US | INFONET-NETHERLAND GTT Communications Inc. | — | — | 0 |
| AS13350US | DIGITALREALTY-IT-02 - Digital Realty Trust, L.P. | — | — | 0 |
| AS13383US | PHYLAXIS-NET - Phylaxis, Inc. | — | — | 0 |
| AS13403US | ALAWEB-INTERNET - Buzz BroadBand | — | — | 0 |
| AS13528US | IXPRES-US - Internet Express | — | — | 0 |
| AS13564US | COURT-SQUARE-GROUP - Court Square Group, Inc. | — | — | 0 |
| AS13574US | GEARHE-COMM - Gearheart Communications | — | — | 0 |
| AS13757US | ASBDS - Blue diamond solutions inc | — | — | 0 |
| AS13792US | INTERNAP-BLK3 - Unitas Global | — | — | 0 |
| AS13856US | GDRG-NET-01 - Global Data Resource Group LLC | — | — | 0 |
| AS13908US | BLOOMBERG-700 - Bloomberg, LP | — | — | 0 |
| AS13995US | PDRINET1 - Personnel Decisions Research Institutes, Inc. | — | — | 0 |
| AS14040US | XO-ASN1 - Verizon Business | — | — | 0 |
| AS14130US | BPC-164-ASN - Boston PainCare Center | — | — | 0 |
| AS14284US | ROCKHURST - ROCKHURST UNIVERSITY | — | — | 0 |
| AS14326US | MFCLLC - PacketFabric, Inc. | — | — | 0 |
| AS14376US | SSF-22 - Fidelity National Information Services, Inc. | — | — | 0 |
| AS14391US | WNSC-NET-12-40-212-0-1 - Automatic Data Processing, Inc. | — | — | 0 |