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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 | 23,961 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,159 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 | 1,998 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,341 |
| — |
| — |
| 0 |
| AS395647US | ITLYNKDC - ITLYNK | — | — | 0 |
| AS395686US | EA-ONLINE-PCI1 - Electronic Arts, Inc. | — | — | 0 |
| AS395714US | AMS-SV2 - HEWLETT PACKARD ENTERPRISE COMPANY | — | — | 0 |
| AS395746US | TURN5-DC - Turn 5, Inc. | — | — | 0 |
| AS395780US | ZUORA-CORP-SAN-MATEO - Zuora, Inc | — | — | 0 |
| AS395797US | APD1 - Airbnb, Inc. | — | — | 0 |
| AS396044US | SAP-NS2-CORP - SAPNS2 | — | — | 0 |
| AS396060US | CRMC2017 - Catskill Regional Medical Center | — | — | 0 |
| AS396130US | PCH-NET - Publishers Clearing House LLC | — | — | 0 |
| AS396137US | INFOR-AS-3 - Infor (US), LLC | — | — | 0 |
| AS396154US | FLOWROUTE-ASN - Flowroute | — | — | 0 |
| AS396309US | ATO - Atlantic Business Products | — | — | 0 |
| AS396331US | ASN-IMX-MIA - Intermex Wire | — | — | 0 |
| AS396349US | NEDERNET-01 - Nedernet, Inc. | — | — | 0 |
| AS396351US | PTBB - Point Broadband Fiber Holding, LLC | — | — | 0 |
| AS396353US | BOSCH-IOT-CLOUD-US2 - Robert Bosch LLC | — | — | 0 |
| AS396355US | TPMR-HQFL - TRADE-PMR INC | — | — | 0 |
| AS396424US | FLORIDACONFERENCE - Florida Conference of Seventh-day Adventist | — | — | 0 |
| AS396449US | OUTSOURCING - CliftonLarsonAllen, LLP | — | — | 0 |
| AS396450US | INTERNET2-2 - Internet2 | — | — | 0 |
| AS396473US | MMH - Merrick Mirror Hosting, Inc | — | — | 0 |
| AS396495US | SHIAWASSEE-RESD - SHIAWASSEE REGIONAL EDUCATION SERVICE DISTRICT | — | — | 0 |
| AS396544US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396558US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396576US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396605US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396615US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396656US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396704US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396706US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396730US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396737US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396755US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396757US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396760US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396761US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396783US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396799US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396812US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396820US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396851US | CEO-EASTTX - Computers, Electronics, Office, Etc, Ltd. | — | — | 0 |
| AS396859US | APC-V1 - The Northern Trust Company | — | — | 0 |
| AS396920US | TRILITH-STUDIOS - Trilith Studios | — | — | 0 |
| AS396964US | SENTRY-DATA-SYSTEMS-800 - Sentry Data Systems, Inc | — | — | 0 |
| AS396987US | RADIOHIO-AS-1 - RADIOHIO INCORPORATED | — | — | 0 |
| AS397022US | HOTSCHEDULES - Red Book Connect LLC | — | — | 0 |