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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 | 21,253 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,249 |
| 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 | 413 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,722 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,964 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,301 |
| FOC-20-1 - FIRST ORION CORP. |
| — |
| — |
| 0 |
| AS396903US | SENSOR-TOWER-1 - Sensor Tower, Inc | — | — | 0 |
| AS396974US | BRIGHTPACKET-396974 - Bright Packet, Inc. | — | — | 0 |
| AS396996US | MERIDIAN-EAST-01 - HarborGrid Inc | — | — | 0 |
| AS397000US | CLARKPEST-ASN - Clark Pest Control | — | — | 0 |
| AS397053US | PLA01 - NFP Property and Casualty Services Inc. | — | — | 0 |
| AS397119US | GEN2-ASN-BGP - Gen II Fund Services, LLC | — | — | 0 |
| AS397144US | F5-XC-SS - F5, Inc. | — | — | 0 |
| AS397193US | VRSN-AC28 - VeriSign Global Registry Services | — | — | 0 |
| AS397207US | VRSN-AC28 - VeriSign Global Registry Services | — | — | 0 |
| AS397211US | VRSN-AC28 - VeriSign Global Registry Services | — | — | 0 |
| AS397214US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS397217US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS397231US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS397232US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS397245US | BLUSKY-TECHNOLOGIES - BluSky Technologies, LLC | — | — | 0 |
| AS397247US | BRIAR-SOLUTIONS-1 - Briar Solutions | — | — | 0 |
| AS397313US | STEMC - Southwest Tennessee Electric Membership Corporation | — | — | 0 |
| AS397397US | CHEYENNE-BOPU - Cheyenne Board of Public Utilities | — | — | 0 |
| AS397467US | LIGHTWAVEUSA - Lightwave USA LLC | — | — | 0 |
| AS397628US | ROUNDPOINT-MORTGAGESERVICING-CORPORATION - RoundPoint Mortgage Servicing Corporation | — | — | 0 |
| AS397821US | GEICO-MSPEER - GEICO | — | — | 0 |
| AS397826US | RASBGP - RAS Security Group | — | — | 0 |
| AS397872US | JBL-ASN-01 - Point Broadband Fiber Holding, LLC | — | — | 0 |
| AS397895US | MC-1 - Masters Communications | — | — | 0 |
| AS397946US | LUMIN-DIGITAL-HOSTED-01 - Lumin Digital, Inc. | — | — | 0 |
| AS398036US | COMPUTERSOS - Computer SOS Inc. | — | — | 0 |
| AS398067US | 8X8-AS-SJC01 - 8x8, Inc. | — | — | 0 |
| AS398127US | CR8DL - CR8DL INC. | — | — | 0 |
| AS398161US | LOGICOMSOFT - Logicom Software LLC | — | — | 0 |
| AS398215US | ISTRA-LLC - Istra LLC | — | — | 0 |
| AS398221US | ASN1-OCPA-01 - Orange County Property Appraiser | — | — | 0 |
| AS398349US | F5-SL-LABS - F5, Inc. | — | — | 0 |
| AS398355US | DATAIDEAS-LLC - Data Ideas llc. | — | — | 0 |
| AS398467US | HZYF-AS - HZYF Inc | — | — | 0 |
| AS398500US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398505US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398528US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398559US | NSWAT - NetSWAT LLC | — | — | 0 |
| AS398592US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398624US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398673US | NXP-BUILD - Willis Towers Watson | — | — | 0 |
| AS398681US | NXP-BUILD - Willis Towers Watson | — | — | 0 |
| AS398791US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | — | — | 0 |
| AS399100US | GMA-GOBOUNDLESS - Selectronics Corp. | — | — | 0 |
| AS399101US | SPECTRA-SOUTH - Spectra Laboratories, Inc | — | — | 0 |
| AS399165US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |