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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 | 23,924 |
| 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.
32,140 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 230 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,881 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,992 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,310 |
| — |
| — |
| 0 |
| AS393331US | APPFOLIO-2 - AppFolio, Inc. | — | — | 0 |
| AS1369US | DNIC-AS-01369 - Navy Network Information Center (NNIC) | — | — | 0 |
| AS401649US | AS-CYRATECH-LAX - Cyratech Technologies LLC | — | 256 | 1 |
| AS207977US | GreenSpruceISP GreenSpruce Internet Services LLC | — | — | 0 |
| AS53422US | BRIVOSYSTEMS - Brivo Systems, LLC | — | — | 0 |
| AS206116US | GATE-AS-EU Gate Communications LLC | — | — | 0 |
| AS50381US | UNICYCLE-AS Hostonce LLC | — | — | 0 |
| AS33242US | LIGHTYEAR-NY - LIGHTYEAR CAPITAL LLC | — | — | 0 |
| AS62655US | TRANSFORMATIVEMED - TransformativeMed, Inc. | — | — | 0 |
| AS53300US | EMBARK-CORPORATION - Embark Corp | — | — | 0 |
| AS46795US | AG-PARTNERS-LLC - AG PARTNERS LLC | — | — | 0 |
| AS46703US | SOFTLAYER-SEA01 - IBM Cloud | — | — | 0 |
| AS47033US | CANTON-DC - MTD Products, Inc | — | — | 0 |
| AS46538US | MANTARA - Mantara Inc. | — | — | 0 |
| AS55154US | MADGEN-01 - Madgenius.com | — | — | 0 |
| AS55074US | DIALOGTECH-EAST - Invoca, Inc. | — | — | 0 |
| AS54408US | FICOH - First Insurance Company of Hawaii | — | — | 0 |
| AS46847US | NEXVORTEX - nexVortex | — | — | 0 |
| AS53921US | TTCLA - The Telephone Connection of Los Angeles, Inc. | — | — | 0 |
| AS53637US | BASS3 - Signature Aviation USA, LLC | — | — | 0 |
| AS30117US | SJC-CLASSIC - Classic Vacations, LLC | — | — | 0 |
| AS46387US | BVS-AS - BVS Performance Systems | — | — | 0 |
| AS402001US | CERTIDA-AC - Certida LLC | — | — | 0 |
| AS40789US | TCLOUD - TCLOUD NETWORK, INC | — | — | 0 |
| AS40718US | BEELINE - Bee Line Cable | — | — | 0 |
| AS40329US | RIVIERA-RESEARCH-PARK - REH Property | — | — | 0 |
| AS40664US | PNC - PNC Bank, National Association | — | — | 0 |
| AS32327US | ZAYOB-NE - Zayo Bandwidth NorthEast LLC | — | — | 0 |
| AS32320US | WESTERN-STONE-AND-METAL-CORP - Western Stone and Metal | — | — | 0 |
| AS31806US | TERRIBLE-NETWORK - terrible.network | — | — | 0 |
| AS40136US | BMCM-ASN - Assured Guaranty Corp | — | — | 0 |
| AS30431US | AS-PREFIXX - Prefixx, Inc. | — | — | 0 |
| AS30397US | CITY-OF-DALLAS-ASN - City of Dallas | — | — | 0 |
| AS197346US | SYLANT-ASN Sylant LLC | — | 1 | 1 |
| AS30195US | CHARLESBANK - Charlesbank Capital Partners | — | — | 0 |
| AS35897US | TAM - Tocqueville Asset Management LP | — | — | 0 |
| AS35870US | NAMETAG - Nametag | — | — | 0 |
| AS33528US | AS33528 - Essendant Co. | — | — | 0 |
| AS30602US | ISPRIME - ISPrime, Inc. | — | — | 0 |
| AS33092US | UC-HEALTH-UNIV-OF-CA - UC HEALTH | — | — | 0 |
| AS33087US | AMCOI - AMCO Insurance Company | — | — | 0 |
| AS33005US | ELTOPIA - Eltopia Communications, LLC | — | — | 0 |
| AS33013US | AICPA - American Institute of Certified Public Accountants | — | — | 0 |
| AS138918US | NTC-AS-SYD - Northern Trust Corporation | — | — | 0 |
| AS136025US | ORACLE-AS-AP - Oracle Corporation | — | — | 0 |
| AS63477US | CONIFER-EDGE - Coniferous Systems, LLC | — | — | 0 |