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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,666 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,491 |
| — |
| — |
| 0 |
| AS60234US | Ausra Ausra LLC | — | — | 0 |
| AS62464US | ZIMMER-BUSINESS-SOLUTIONS - Zimmer Holdings Inc. | — | — | 0 |
| AS199299US | FREEFOXCONNECT FST Networks LTD | — | — | 0 |
| AS64206US | PNW - PNW Security | — | — | 0 |
| AS62786US | MIMOSA - Mimosa Networks, Inc. | — | — | 0 |
| AS62878US | QUADRANET-TRANSIT - QuadraNet Enterprises LLC | — | — | 0 |
| AS62869US | BUFFALO-SM - Buffalo Studios | — | — | 0 |
| AS398525US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS393679US | CITY-OF-WOOSTER - City of Wooster | — | — | 0 |
| AS146951US | ISC-AS-AP - ISC F-Root Kolkata | — | — | 0 |
| AS393314US | ORACLE-BYOASN - Oracle Corporation | — | — | 0 |
| AS211420US | kryptoslogic Kryptos Logic LLC | — | — | 0 |
| AS214092US | Zachary-Ezetta Zachary Ezetta | — | — | 0 |
| AS395445US | DODGE-COUNTY-WI - Dodge County | — | — | 0 |
| AS398672US | NXP-BUILD - Willis Towers Watson | — | — | 0 |
| AS398620US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398506US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS64219US | MEGAPORTUSAINC-SEAIX-US - Megaport (USA) Inc. | — | — | 0 |
| AS397869US | ADSUPPLY - AdSupply, Inc. | — | — | 0 |
| AS397673US | AHELIOTECH - AHELIOTECH | — | — | 0 |
| AS399677US | TSYS-EQUINIX-LD8 - Global Payments Inc. | — | — | 0 |
| AS398209US | REAL-GREEN-SYSTEMS - REAL GREEN HOLDINGS, LLC | — | — | 0 |
| AS399258US | ABRIGO-ASN - Abrigo, Inc. | — | — | 0 |
| AS399202US | VIPER-ASN01 - Vasuki Systems Inc | — | — | 0 |
| AS398975US | EQUINIX-CX-PH - Equinix, Inc. | — | — | 0 |
| AS399047US | GIGAPOINTE - L.I. Combs Management Corp. | — | — | 0 |
| AS396610US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS395239US | SWAG-FIBER - SWAG Fiber, LLC | — | — | 0 |
| AS396577US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS395492US | IOVATION-AS15301 - Trans | — | — | 0 |
| AS396225US | BANNING - Banning Engineering PC | — | — | 0 |
| AS394243US | PRODEGE-AS - Prodege LLC | — | — | 0 |
| AS394371US | CCM-NET2 - Collectivei | — | — | 0 |
| AS393955US | WIRELESS-PARTNERS-LLC - Wireless Partners LLC | — | — | 0 |
| AS393900US | IQT1 - In-Q-Tel, Inc. | — | — | 0 |
| AS394063US | AMHERST-H-WILDER-FOUNDATION - Amherst H. Wilder Foundation | — | — | 0 |
| AS395808US | JET-COMMUNICATIONS - Jet Communications, LLC | — | — | 0 |
| AS1991US | DNIC-AS-01991 - Navy Network Information Center (NNIC) | — | — | 0 |
| AS394639US | GOOGLE - Google LLC | — | — | 0 |
| AS394943US | MAXWELL-TECHNOLOGIES - Tesla Motors, Inc. | — | — | 0 |
| AS395125US | BGCA1275 - Boys & Girls Clubs of America | — | — | 0 |
| AS211369US | VERISIGN-AS VeriSign Inc. | — | — | 0 |
| AS210883US | AQUASYS Aquasys, LLC | — | — | 0 |
| AS199465US | feiya FeiYa Network LTD. | — | — | 0 |
| AS394716US | HEBISD - HEBISD | — | — | 0 |
| AS64468US | CSML-14-64468 - Summit Securities Group LLC | — | — | 0 |