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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) | 227.7M | 3,139 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,129 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,241 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 373 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,664 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,947 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,375 |
| 1K |
| 2 |
| 5 |
| AS22466US | WALLOWA-VALLEY-NETWORKS-LLC - Wallowa Valley Networks, LLC | 1K | — | 1 |
| AS23413US | VM-AW-US - Omnissa, LLC | 1K | — | 4 |
| AS26566US | AS-SJC44NET - Pal Communications LLC | 1K | — | 1 |
| AS395401US | WPC-AK - Whitestone Power & Communications | 1K | 66.1K | 10 |
| AS17146US | MGBAS01 - MGB Systems, Inc. | 1K | — | 4 |
| AS46588US | CDW-CONFIGS-01 - CDW | 1K | — | 4 |
| AS396056US | EAGLE-TELEPHONE-ASN - EAGLE TELEPHONE SYSTEM INC | 1K | 4.1K | 2 |
| AS26152US | WXCCE - Cisco Webex LLC | 1K | — | 4 |
| AS18923US | TWRS-FTW - Towerstream I, Inc. | 1K | 1 | 2 |
| AS33131US | INTRALINKS - INTRALINKS INC. | 1K | — | 4 |
| AS11733US | EJGALLO - E. & J. Gallo Winery Inc. | 1K | — | 1 |
| AS5978US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | 1K | — | 3 |
| AS395931US | ACECLOUD-01 - Real Time Cloud Services LLC | 1K | 4.1K | 2 |
| AS35968US | TGNA-WUSA - TEGNA Inc. | 1K | — | 4 |
| AS399388US | DCTEXAS - DCTexas Internet | 1K | — | 1 |
| AS40931US | MOBITV - Tivo LLC | 1K | 1 | 3 |
| AS13543US | COOKEVILLE-TN-GOV - City of Cookeville | 1K | 1 | 2 |
| AS15190US | CTS-LANGUAGELINK - CTS LanguageLink | 1K | — | 3 |
| AS23199US | COMDATA-NETWORK - Comdata,INC | 1K | — | 4 |
| AS7407US | MCI-SGUM - Verizon Business | 1K | — | 1 |
| AS15041US | ETRN-MKC - ETRN.com, Inc. | 1K | — | 4 |
| AS3736US | AMERIWEB - American Webmasters Inc. | 1K | 4.1K | 4 |
| AS14532US | CBOSS - CBOSS INC | 1K | 6 | 10 |
| AS11346US | LAS-NIDR - PIMCO | 1K | — | 4 |
| AS23318US | ABBVIE-1 - AbbVie, Inc. | 1K | — | 1 |
| AS5957US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | 1K | 1 | 5 |
| AS26084US | PCI - PCI | 1K | — | 4 |
| AS54710US | INNOUT - IN-N-OUT BURGERS | 1K | — | 4 |
| AS14210US | EDGECAST - Edgecast Inc. | 1K | 5 | 9 |
| AS33134US | KTCFV-USA - Kingston Technology Company, Inc. | 1K | — | 4 |
| AS14740US | MAGNA5 - Magna5 MS LLC | 1K | — | 3 |
| AS36349US | 3ESSENTIALS - 3Essentials Inc. | 1K | — | 4 |
| AS394377US | COUNTY-OF-TULARE - County of Tulare | 1K | — | 3 |
| AS133144US | M8X8INC-AS-AP - 8x8, Inc. | 1K | — | 4 |
| AS40857US | PAECOM - IT-CNP, Inc. | 1K | 65.5K | 5 |
| AS395687US | SKYPULSE - SkyPulse Communications | 1K | 65.5K | 4 |
| AS16568US | PROMEGA - PROMEGA CORPORATION | 1K | — | 4 |
| AS14070US | SVH-TVH-AS1 - Valley Health System | 1K | — | 1 |
| AS14389US | CASHEXPRESS - Cash Express, LLC | 1K | — | 1 |
| AS54067US | CSC-ASN - Columbia Sportswear Company | 1K | — | 3 |
| AS19245US | HOOPA-VALLEY-TRIBE - Hoopa Valley Public Utilities District | 1K | — | 1 |
| AS36019US | 4SIWI-NET - 4 SIWI, LLC | 1K | — | 1 |
| AS33673US | NE-AS1 - MCN Online, LLC | 1K | — | 1 |
| AS399632US | TI-DALLAS-QD-HUB - Texas Instruments Incorporated | 1K | — | 4 |
| AS23160US | HEILIND - Heilind Electronics | 1K | — | 4 |
| AS11787US | PACOURTS-AS - Supreme Court of Pennsylvania | 1K | — | 4 |