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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 | 24,389 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,302 |
| 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.
32,169 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 | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,341 |
| 1K |
| 4.1K |
| 2 |
| AS400525US | AM-PRODNET-01 - Audible Magic | 1K | — | 3 |
| AS26152US | WXCCE - Cisco Webex LLC | 1K | — | 4 |
| AS1420US | STL-C9D - STL OFFICE SOLUTIONS, INC. | 1K | — | 1 |
| AS397908US | ALDOT-ROUTE - Alabama Department of Transportation | 1K | — | 4 |
| AS18923US | TWRS-FTW - Towerstream I, Inc. | 1K | 1 | 2 |
| AS62576US | S-MOBILE-24 - S-Mobile LLC | 1K | — | 4 |
| AS394609US | INCOMM-NET1 - InComm | 1K | — | 4 |
| AS399998US | TRUCKEE-MEADOWS-INTERNET - CENOS NETWORKS, LLC | 1K | — | 4 |
| AS4894US | COANAHEIM - City of Anaheim | 1K | — | 1 |
| AS394755US | CRHSC - City of Rock Hill SC | 1K | — | 4 |
| AS402511US | XPEER - XPEERS | 1K | 2.1M | 8 |
| AS14070US | SVH-TVH-AS1 - Valley Health System | 1K | — | 1 |
| AS14210US | EDGECAST - Edgecast Inc. | 1K | 5 | 9 |
| AS397432US | FORTWORTH-CITY - City of Fort Worth | 1K | — | 3 |
| AS395931US | ACECLOUD-01 - Real Time Cloud Services LLC | 1K | 4.1K | 2 |
| AS16568US | PROMEGA - PROMEGA CORPORATION | 1K | — | 4 |
| AS26670US | MCISD-AS - Mission CISD | 1K | — | 1 |
| AS54180US | SMVLMS - SMITHVILLE TELEPHONE CO | 1K | — | 1 |
| AS22746US | LCTS - Lincoln County Telephone System, Inc. | 1K | 65.5K | 2 |
| AS399790US | CHOPTANK-FIBER-LLC - Choptank Fiber, LLC. | 1K | 4.1K | 5 |
| AS18783US | RDSEC-NET-01 - RD Sec LLC | 1K | 4.1K | 4 |
| AS46490US | DMEHOAS - DME Holdings, LLC | 1K | — | 4 |
| AS11980US | BDO-USA-LLP - BDO USA | 1K | — | 2 |
| AS22871US | HHSF-IN - Heartland Rural Electric Membership Corporation | 1K | — | 4 |
| AS19358US | JBL-ASN - JOHNSON BROTHERS LIQUOR COMPANY | 1K | — | 3 |
| AS14195US | CONTEGO-AS - Contego Solutions LLC | 1K | — | 3 |
| AS33134US | KTCFV-USA - Kingston Technology Company, Inc. | 1K | — | 4 |
| AS16991US | CBTS-AS-DC1 - Cincinnati Bell Technology Solutions | 1K | — | 1 |
| AS12272US | MEDATA-PROD-AS - Medata Inc. | 1K | — | 4 |
| AS394088US | SCIENCEDMZ - Agriculture Research Service | 1K | — | 3 |
| AS55103US | THIN-NOLOGY - Thin-nology, LLC | 1K | 4.1K | 5 |
| AS395720US | KUM-AND-GO - Kum & Go, L.C. | 1K | — | 3 |
| AS14770US | REYNOLDSMEDIA-01 - Reynolds Media Inc. | 1K | 2 | 5 |
| AS25801US | AUTOMATED-FINANCIAL - Automated Financial Systems | 1K | — | 4 |
| AS36019US | 4SIWI-NET - 4 SIWI, LLC | 1K | — | 1 |
| AS19060US | BRYANLGH-AS-01 - Bryan Health | 1K | — | 2 |
| AS400445US | NUSENDA-ADMIN-01 - NUSENDA FEDERAL CREDIT UNION | 1K | — | 3 |
| AS22716US | LOGIC-32-22716 - Logicalis | 1K | — | 1 |
| AS20284US | INETUASN1 - Flexential iNETu Corp. | 1K | — | 3 |
| AS399215US | ACTS-01 - ACTS | 1K | — | 3 |
| AS26471US | STIFEL - Stifel, Nicolaus & C | 1K | — | 4 |
| AS8232US | GXS-EUROPE GXS International Inc. | 1K | — | 2 |
| AS33015US | LASCASN - Los Angeles Superior Court of California | 1K | — | 4 |
| AS18560US | LSCO1 - Lamar State College - Orange | 1K | — | 1 |
| AS63136US | SIPRADIUS - SipRadius | 1K | — | 4 |
| AS398423US | APOG-CENT - Apogee Telecom Inc. | 1K | — | 3 |