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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 |
| VRSN-AC50-340 - VeriSign Global Registry Services |
| — |
| — |
| 0 |
| AS396727US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396751US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396769US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396787US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396792US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396822US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396958US | SBT - Sterling Bank & Trust, FSB | — | — | 0 |
| AS397020US | LTS-IL02 - Links Technology Solutions, Inc. | — | — | 0 |
| AS397079US | VYON - Home Ground LLC | — | — | 0 |
| AS397173US | REDPANDA-SYSTEMS - RedPanda Systems | — | — | 0 |
| AS397196US | VRSN-AC28 - VeriSign Global Registry Services | — | — | 0 |
| AS397208US | VRSN-AC28 - VeriSign Global Registry Services | — | — | 0 |
| AS397209US | VRSN-AC28 - VeriSign Global Registry Services | — | — | 0 |
| AS397234US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS397241US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS397299US | EM-PRIMARY-ASN2 - EMMA, Inc | — | — | 0 |
| AS397356US | EARLHAM-COLLEGE - Earlham College | — | — | 0 |
| AS397439US | DPSAC-1 - Digital Path | — | — | 0 |
| AS397517US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | — | — | 0 |
| AS397586US | RURAL-COMM-AS - Rural Comm | — | — | 0 |
| AS397660US | LOCALITY-NETWORKS-01 - Locality Networks inc | — | — | 0 |
| AS397724US | BOLD-UAFS - Apogee Telecom Inc. | — | — | 0 |
| AS397882US | ABB-1933 - Anderson Brothers Bank | — | — | 0 |
| AS398014US | CNSQ-AS398014 - Centersquare | — | — | 0 |
| AS398021US | GTC-ALBYGA-IPV4 - GAIA Telekom Corporation | — | — | 0 |
| AS398054US | UCNSB-ASN - Utilities Commission City of New Smyrna Beach | — | — | 0 |
| AS398179US | GVSU-ASN - Grand Valley State University | — | — | 0 |
| AS398186US | GBA - GEORGE BUTLER ASSOCIATES, INC | — | — | 0 |
| AS398190US | NM1 - NMACS.com, LLC | — | — | 0 |
| AS398231US | FSC-FSGN-ASN - Federal Signal Corporation | — | — | 0 |
| AS398239US | LTN-398239 - LTN Global Communications Inc | — | — | 0 |
| AS398452US | BIRD-COMPUTE - Bird Compute LLC | — | — | 0 |
| AS398481US | NSWAT - NetSWAT LLC | — | — | 0 |
| AS398517US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398598US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398613US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398618US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398679US | NXP-BUILD - Willis Towers Watson | — | — | 0 |
| AS398684US | NXP-BUILD - Willis Towers Watson | — | — | 0 |
| AS398686US | NXP-BUILD - Willis Towers Watson | — | — | 0 |
| AS398715US | NITEL-AS398715 - WAN Dynamics, Inc | — | — | 0 |
| AS398825US | TGSLLC-01 - TGS, LLC | — | — | 0 |
| AS398842US | RSUI-GROUP-ASN - RSUI INDEMNITY COMPANY | — | — | 0 |
| AS398849US | DSS-CACHE - Disney Streaming Services | — | — | 0 |
| AS398855US | AKTIONASSOC-DC1-001 - AKTION ASSOCIATES, INCORPORATED | — | — | 0 |
| AS398910US | NEXA-WAVE - NexaWave Solutions LLC | — | — | 0 |