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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 | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 25,023 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,214 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,007 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,282 |
| NORTHWEST-REGIONAL-DATACENTER - Florida State University |
| 8.4K |
| — |
| 10 |
| AS32142US | ASD20 - Academy School District 20 | 8.4K | — | 2 |
| AS25892US | VERTEX - VTX Telecom | 8.4K | 131.1K | 20 |
| AS399006US | KUDZU-01 - KUDZU NETWORKS, INC | 8.4K | 65.5K | 6 |
| AS137922US | IBOSS-AS-AP IBOSS Inc. | 8.4K | 16 | 46 |
| AS32067US | AS32067 - Refinitiv US LLC | 8.4K | — | 21 |
| AS23546US | DELCOM-ASN - Delcom, Inc. | 8.4K | 65.5K | 24 |
| AS2732US | VALLIANT-TEL - Valliant Telephone Co INC | 8.4K | 65.5K | 5 |
| AS400941US | NUBINITY - Nubinity, LLC | 8.4K | 2 | 9 |
| AS46790US | PHS-WA - Providence Health & Services | 8.4K | — | 23 |
| AS273US | DNIC-AS-00273 - United States Department of Defense DoD | 8.4K | — | 2 |
| AS393740US | PROGRESSIVETEL - Progressive Rural Telephone Cooperative, Inc | 8.4K | — | 13 |
| AS19224US | QSGIT - Quantum Services Group, LLC. | 8.4K | 65.5K | 15 |
| AS46353US | INTERMAX-AS - Intermax Networks | 8.4K | 65.5K | 10 |
| AS30219US | MLB-ADVANCED-MEDIA - Major League Baseball Advanced Media, LP | 8.4K | — | 33 |
| AS7246US | BMS-AS - Bristol-Myers Squibb Company | 8.4K | 10 | 42 |
| AS29734US | TDA - Tuttle Development Authority | 8.4K | — | 4 |
| AS46573US | VAULT-HOST - Vault Host | 8.4K | — | 33 |
| AS395374US | CYSA-MAIN - Cyber Sainik | 8.4K | — | 33 |
| AS398816US | FLUME-01 - Flume | 8.4K | 66.3K | 23 |
| AS40336US | UNISKY-MIA - Jacobi International Inc. | 8.4K | — | 3 |
| AS46356US | SBUEDU - Saint Bonaventure University | 8.4K | — | 2 |
| AS32220US | ASN-BELD - Braintree Electric Light Dept. | 8.4K | 65.5K | 4 |
| AS46963US | CITY-WINSTON-SALEM-AS - City of Winston-Salem | 8.4K | — | 2 |
| AS19528US | MPDCOL - Meridian Parkway Data Center Owner, LLC | 8.4K | 32.8K | 17 |
| AS30091US | ACCESS-CABLE - Access Cable Television, Inc. | 8.4K | — | 12 |
| AS36305US | AMTA-AS1 - The Albany Mutual Telephone Association | 8.4K | 65.5K | 4 |
| AS4364US | IGLOU - IgLou Internet Services | 8.4K | — | 2 |
| AS27572US | THEBOE-27572 - The Boeing Company | 8.4K | — | 2 |
| AS35891US | NLB-ASN - Norwood Light Broadband | 8.4K | 65.5K | 6 |
| AS3364US | CSDCO-AS - Computer Systems Design Company | 8.4K | — | 4 |
| AS216475US | nktelecom NKtelecom INC | 8.4K | 6 | 34 |
| AS29878US | CHMP-ASN - Community Hospital of the Monterey Peninsula | 8.4K | — | 2 |
| AS23255US | PACIFICORP - Pacificorp | 8.7K | — | 15 |
| AS20392US | WESTPANET - WestPAnet, Inc. | 8.7K | — | 2 |
| AS46115US | LUTHER - Luther College | 8.7K | — | 19 |
| AS54478US | FNF-CLOUD1 - Fidelity National Financial Inc. | 8.7K | — | 24 |
| AS518US | DNIC-AS-00518 - United States Department of Defense DoD | 8.7K | 2 | 17 |
| AS5716US | CYBERCOM - Cyber Access Internet Communications, Inc. | 8.7K | — | 8 |
| AS400180US | FMTC-STANTON - The Farmers Mutual Telephone Company of Stanton, Iowa | 8.7K | — | 19 |
| AS54996US | SCRIPPSHEALTH - Scripps Health | 8.7K | — | 3 |
| AS22413US | EMPOWER - empower, Delivered by Craighead Electric | 8.7K | 65.5K | 25 |
| AS395948US | EFI-NTX - ELEKTRAFI INC. | 8.7K | — | 10 |
| AS18690US | MEDIDATA - Medidata Solutions, Inc | 8.7K | — | 3 |
| AS29900US | GTMCNET - GLENWOOD TELEPHONE MEMBERSHIP CORPORATION | 8.7K | 65.5K | 5 |
| AS13483US | INFOR-AS13483 - Infor US, LLC | 8.7K | — | 9 |
| AS5090US | ARKANSASTECH - ARKANSAS TECH UNIVERSITY | 8.7K | 1 | 4 |