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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 | 24,645 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,307 |
| 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.
32,220 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,890 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,006 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,364 |
| — |
| — |
| 0 |
| AS14399US | HUBRIS2 - IdeaTek Telcom, LLC | — | — | 0 |
| AS14542US | CALPOP - CALPOP.COM, INC. | — | — | 0 |
| AS14557US | EGINITY - Eginity, Inc. | — | — | 0 |
| AS14573US | KEYSPANENERGY-NE1 - Keyspan Energy | — | — | 0 |
| AS14596US | DCNET-ASN - DC-Net | — | — | 0 |
| AS14646US | FRANKLINCOVEY - Franklin Covey Co. | — | — | 0 |
| AS14682US | GGS - GGS Information Services | — | — | 0 |
| AS14683US | WILSHIREASSOCIATESINC - Wilshire Associates Incorporated | — | — | 0 |
| AS14719US | MICROSOFT-CORP-BCENTRAL - Microsoft Corporation | — | — | 0 |
| AS14824US | ZYNGA-01 - TAKE-TWO INTERACTIVE SOFTWARE, INC. | — | — | 0 |
| AS14838US | WIXCO-INC - Wix.Com, Inc. | — | — | 0 |
| AS14897US | PKS-INVESTMENTS - Purshe Kaplan Sterling Investments, Inc. | — | — | 0 |
| AS14944US | EMA-PRO - eMoney Advisor | — | — | 0 |
| AS15002US | DRUGSTORE - Drugstore.Com, Inc. | — | — | 0 |
| AS15089US | MASSMUTUAL - Massachusetts Mutual Life Insurance Company | — | — | 0 |
| AS15163US | MTD - MTD Products, Inc | — | — | 0 |
| AS15170US | MATCHNET - Spark Networks Limited | — | — | 0 |
| AS15287US | EASYVM-LLC - EasyVM, LLC | — | — | 0 |
| AS15288US | NOKIA-NA - Nokia of America Corporation | — | — | 0 |
| AS16446US | M2NGAGE2 - M2ngage Telecommunications II Corp. | — | — | 0 |
| AS16512US | RACKIFI - Fiberifi | — | — | 0 |
| AS16535US | ECHOS-3 - Echostar Purchasing Corporation | — | — | 0 |
| AS16631US | COGENT-16631 - Cogent Communications, LLC | — | — | 0 |
| AS16734US | KYNDR-RTP - Kyndryl | — | — | 0 |
| AS16806US | AVLNA-INTERNET - AVL North America, Inc. | — | — | 0 |
| AS16828US | DGA-SECURITY - DGA Security Systems, Inc. | — | — | 0 |
| AS16967US | SBCIDC-DLLSTX - AT&T Enterprises, LLC | — | — | 0 |
| AS17132US | ACDNET-ASN4 - ACD.net | — | — | 0 |
| AS17228US | ATT-CERFNET-BLOCK - AT&T Enterprises, LLC | — | — | 0 |
| AS17284US | VONAGE-17284 - Vonage Holdings, Inc. | — | — | 0 |
| AS17292US | INFOED-INTERNATIONAL - InfoEd International Inc | — | — | 0 |
| AS18452US | ALORICA - ALORICA INC | — | — | 0 |
| AS18469US | HP-POLY - HP Inc. | — | — | 0 |
| AS18529US | PLEXUS-SYSTEMS-US3 - ROCKWELL AUTOMATION Inc. | — | — | 0 |
| AS18581US | ALLIANZLIFE - Allianz Technology of America, Inc. | — | — | 0 |
| AS18586US | DOE-JUCE - Department of Energy, National Nuclear Security Administration | — | — | 0 |
| AS18706US | REALNETWORKS - REALNETWORKS LLC | — | — | 0 |
| AS18737US | VISANET-3 - VISA INTERNATIONAL SERVICE ASSOCIATION | — | — | 0 |
| AS18741US | SOUNDHOUND1 - SoundHound, Inc. | — | — | 0 |
| AS18823US | MEDICALERT - Medicalert Foundation | — | — | 0 |
| AS18861US | IVANET-BUE - IBASIS INC. | — | — | 0 |
| AS18879US | HR1 - HireRight LLC | — | — | 0 |
| AS18921US | ASHERECHICAGOEQUINIXCH3 - HERE North America LLC | — | — | 0 |
| AS19019US | AS-TIERP-19019 - TierPoint, LLC | — | — | 0 |
| AS19026US | XO-ASN14 - Verizon Business | — | — | 0 |
| AS19059US | CODERO-ASHBURN - Patmos Hosting, Inc. | — | — | 0 |