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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 |
| — |
| — |
| 0 |
| AS62640US | ERC-SIN - THE GLENWOOD TELEPHONE MEMBERSHIP CORPORATION | — | — | 0 |
| AS62661US | AS-PDCS - PLASMA DC SOLUTIONS LLC | — | — | 0 |
| AS62767US | CTS - Chabills Tire | — | — | 0 |
| AS62794US | MCG-HEALTH - MCG Health | — | — | 0 |
| AS62843US | NEWPIGCORPORATION - New Pig Corporation | — | — | 0 |
| AS62860US | MEDICALTEAMS-HQ - Medical Teams International | — | — | 0 |
| AS62871US | IDAHO-REGIONAL-OPTICAL-NETWORK - IRON | — | — | 0 |
| AS62885US | LJSILVERS-NET - Long John Silvers | — | — | 0 |
| AS62987US | VOLOG-1-62987 - Vology | — | — | 0 |
| AS63034US | DECIX-NYC-AS - DE-CIX North America Inc. | — | — | 0 |
| AS63043US | ESECUREDNET - eSited Solutions | — | — | 0 |
| AS63069US | GRGE-63069 - Gorge Networks LLC | — | — | 0 |
| AS63203US | SPRINGIX - Kansas City Internet eXchange | — | — | 0 |
| AS63284US | FLEXTRONICS-CCA - Flextronics International USA, Inc. | — | — | 0 |
| AS63339US | AS-VLAYER - Netrouting, Inc. | — | — | 0 |
| AS63361US | FCL-ASN - FiWi Communications LLC | — | — | 0 |
| AS63485US | PATRIOT-ASN - Big | — | — | 0 |
| AS135282US | ASN-AUS ASN-A | — | — | 0 |
| AS141706US | KOISHI-NETWORK-AS-AP Koishi Network | — | — | 0 |
| AS197993US | Ausra Ausra LLC | — | — | 0 |
| AS200716US | AS-RP Rafael Possamai | — | — | 0 |
| AS203197US | SPHERES Spheres Hosting L.L.C. | — | — | 0 |
| AS203275US | missgroup Miss Group INC | — | — | 0 |
| AS206489US | PinnacleHue PinnacleHue LLC | — | — | 0 |
| AS209319US | Bitrion Spectriot LLC | — | — | 0 |
| AS211048US | ISC-TAS1 Internet Systems Consortium Inc. | — | — | 0 |
| AS213628US | kykuitent Kykuit Enterprises, LLC | — | — | 0 |
| AS213918US | EVOSERVERS-AS EVO SERVERS LLC | — | — | 0 |
| AS214264US | Bitrion Spectriot LLC | — | — | 0 |
| AS219486US | mynymbox Mynymbox LLC | — | — | 0 |
| AS219509US | PRIVATESECTOR-AS PrivateSector LLC | — | — | 0 |
| AS393222US | INTERV-205 - InterVoice, Inc. | — | — | 0 |
| AS393263US | ULTRA-MOBILE - BA Telecom | — | — | 0 |
| AS393280US | CALLFIRE0 - Callfire Inc. | — | — | 0 |
| AS393284US | EL-MAITLAND-FL - Ellucian Company LP | — | — | 0 |
| AS393317US | AMAITIS-AS1 - Amaitis & Associates Inc. | — | — | 0 |
| AS393450US | CUBIC-TRANSPORTATION-SYSTEMS - Cubic Transportation Systems, Inc. | — | — | 0 |
| AS393487US | MT-315 - Matador Trading Inc | — | — | 0 |
| AS393532US | TURBOBRIDGE - TurboBridge | — | — | 0 |
| AS393611US | SAP-DC-SC - SAP America Inc. | — | — | 0 |
| AS393634US | SAP-US-ST-HEC03 - SAP America Inc. | — | — | 0 |
| AS393791US | BIDS-NJ - BIDS Trading L.P. | — | — | 0 |
| AS393923US | HIS-DR-IE - Hawaii Information Service | — | — | 0 |
| AS393944US | BASETENNET - Baseten | — | — | 0 |
| AS393970US | ECO-MATERIAL-TECHNOLOGIES-INC-01 - Eco Material Technologies Inc. | — | — | 0 |
| AS393975US | LPS-12 - Black Knight IP Holding Company, LLC | — | — | 0 |