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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 | 23,661 |
| 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 |
| 236 |
| 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 | 4,490 |
| 1K |
| 4.1K |
| 5 |
| AS40640US | CAYUSEHOLDINGS-PEN-01 - CAYUSE TECHNOLOGIES LLC | 1K | — | 1 |
| AS396965US | WILDCARD-CORP - Wildcard Corp. | 1K | 65.5K | 5 |
| AS398969US | MSG-ENT - Sphere Entertainment Group, LLC | 1K | — | 4 |
| AS398638US | JELLYDIGITAL - Jelly Digital, LLC. | 1K | — | 3 |
| AS53535US | ARIN-PFS-ANYCAST - ARIN Operations | 1K | 3 | 6 |
| AS398436US | HYPEBEASTSERVERS - hypebeastservers | 1K | — | 4 |
| AS399868US | SNAPCOM - Snapcom | 1K | 5 | 9 |
| AS26263US | CLV-MULTIHOME - City of Las Vegas | 1K | — | 1 |
| AS30184US | RESI-BGP1 - RESI | 1K | — | 1 |
| AS27311US | AS27311 - Biogen MA Inc | 1K | — | 4 |
| AS19463US | RISE-AS19463 - JAB Wireless, INC. | 1K | — | 4 |
| AS399183US | DEEPINTENT - DeepIntent, Inc. | 1K | 1 | 5 |
| AS46351US | BBHSOLUTIONS - BBH Solutions Inc. | 1K | — | 1 |
| AS14583US | VITA-VSP-1 - Virginia Information Technologies Agency (VITA) | 1K | — | 2 |
| AS398430US | SPEEDWAVZ - Speedwavz LLP | 1K | — | 4 |
| AS6979US | SAP-SE-PHL - SAP America Inc. | 1K | 4 | 6 |
| AS394893US | CLAIR - Clair Global | 1K | — | 4 |
| AS398180US | HDERLINK - HDER Link, LTD | 1K | — | 4 |
| AS54342US | RNHN - Rural Nebraska Healthcare Network | 1K | — | 1 |
| AS398492US | MPM-ASN - Momentive Performance Materials Inc. | 1K | — | 3 |
| AS22500US | MAW-INTF-WORLD - MAW COMMUNICATIONS | 1K | — | 1 |
| AS63229US | NOCTURNAL - Nocturnal Networks | 1K | 4.1K | 3 |
| AS62568US | BIC2ASN1 - Brother International Corporation | 1K | — | 4 |
| AS396989US | LCS-01 - LookingGlass Cyber Solutions Inc. | 1K | — | 4 |
| AS36267US | BPVN - BPVN LLC | 1K | — | 1 |
| AS26156US | VERUS - Verus, LLC | 1K | 65.5K | 2 |
| AS21913US | MAINFREIGHTUS-AS - Mainfreight, Inc. | 1K | — | 4 |
| AS36469US | ATL-COLO - Noble Systems Corporation | 1K | — | 4 |
| AS15015US | SGC - Spring Grove Communications | 1K | — | 2 |
| AS19546US | RCWILLEY - R. C. Willey Home Furnishings | 1K | — | 4 |
| AS53675US | HWB-ASN-53675 - Hancock Whitney Bank | 1K | — | 4 |
| AS40036US | WAL-91-40036 - Wisk Aero LLC | 1K | — | 3 |
| AS19284US | AGSTAR-AS - Compeer Financial, ACA | 1K | — | 4 |
| AS46833US | SENSUS-DATACENTERS - Sensus USA, Inc. | 1K | — | 2 |
| AS400451US | CMTC - Curium Technologies | 1K | — | 1 |
| AS4901US | CAAREN - The George Washington University | 1K | 16 | 2 |
| AS398665US | CSBSO - COUNTY OF SAN BERNARDINO | 1K | — | 3 |
| AS10790US | WEBEX-CONNECT - Lazard Freres & Co., LLC | 1K | — | 4 |
| AS40030US | FALLSNET - Fallsnet | 1K | 65.5K | 2 |
| AS395003US | ABE-COMMERCE - AB E-Commerce, LLC | 1K | — | 4 |
| AS10936US | MARNELL-CORRAO-ASSOC-MCC1 - Marnell Corrao Assoc. | 1K | — | 1 |
| AS55268US | WA-EDMONDS15 - Edmonds School District #15 | 1K | — | 3 |
| AS55277US | PINAL-AS - Pinal County Arizona | 1K | — | 1 |
| AS25903US | GRIDCOMMUNICATIONS-240 - Grid Communications | 1K | — | 4 |
| AS400341US | ETHALABS-AS-01 - XICOMM LLC | 1K | — | 1 |
| AS32560US | BITXBIT - BIT BY BIT COMPUTER CONSULTANTS, INC. | 1K | — | 4 |