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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 |
| 2K |
| — |
| 8 |
| AS18614US | YAKNET - Yakima County | 2K | — | 1 |
| AS18439US | NNVHS - Northern Nevada High Speed LLC | 2K | 131.1K | 9 |
| AS30309US | IEXPOSURE-AS - Internet Exposure, Inc. | 2K | — | 1 |
| AS46559US | 3XNET - ZGX US LLC | 2K | 1 | 8 |
| AS31920US | GEETEL-AS - Geetingsville Telephone Co., Inc. | 2K | — | 1 |
| AS46994US | TELAX09 - Telax Hosted Call Centre | 2K | — | 3 |
| AS33069US | AS-BUSINESS-COMMUNICATIONS - BCI | 2K | 65.5K | 3 |
| AS16581US | DEEPINFRA-01 - Deep Infra Inc. | 2K | — | 8 |
| AS40533US | EBAY-ENTERPRISE - eBay, Inc | 2K | — | 8 |
| AS31801US | BHS-NET-LOU - Baptist Healthcare System | 2K | — | 8 |
| AS398448US | MFSTNET-AS - THE GENTRY FUND LLC | 2K | 65.5K | 5 |
| AS26876US | CHICOS - chico's fas inc | 2K | — | 6 |
| AS400457US | HWL-BROADBAND-01 - Hope Water and Light | 2K | — | 2 |
| AS402482US | ABTS-INTERNET2 - American | 2K | — | 3 |
| AS399064US | CONTENTGURU-US - Content Guru Inc | 2K | — | 8 |
| AS23137US | SATCOM-DIRECT-INC - Satcom Direct Inc. | 2K | — | 2 |
| AS401416US | AURA-AS - Aurascape, Inc. | 2K | 512 | 10 |
| AS32530US | OPUS-AS1 - Opus Corporation | 2K | — | 5 |
| AS401243US | KOMI-NET - Komi LLC | 2K | 45 | 53 |
| AS26224US | INCOMM-NET0 - InComm | 2K | — | 5 |
| AS10489US | ARMOUR-AS - Armour Cloud, LLC | 2K | — | 8 |
| AS46976US | LCPRODASN - Liquidity Connect LLC | 2K | — | 7 |
| AS399704US | HALSEY - GigXero Inc | 2K | — | 6 |
| AS11838US | HGTC-ASN - Horry-Georgetown Technical College | 2K | — | 4 |
| AS27409US | ROCKBRIDGE-GLOBAL-VILLAGE - Rockbridge Global Village, Inc. | 2K | — | 1 |
| AS26757US | SOLERA-HOLDINGS-EXPANSION-02 - Solera Holdings, LLC | 2K | — | 2 |
| AS19621US | MID-ASNO - MODESTO IRRIGATION DISTRICT | 2K | — | 5 |
| AS26632US | CONNETRIX-01 - Connetrix | 2K | — | 1 |
| AS13913US | AFFILIATED - Affiliated Monitoring, Inc. | 2K | — | 8 |
| AS396447US | SILVERIP-MW-ASN - SilverIP Communications Inc. | 2K | — | 6 |
| AS22422US | BOARD-OF-ELECTIONS-IN-THE-CITY-OF-NEW-YORK - Board of Elections in the City of New York | 2K | — | 1 |
| AS11716US | WON-AS - William O'Neil & Company | 2K | — | 8 |
| AS54562US | RISE-VOIP - JAB Wireless, INC. | 2K | — | 8 |
| AS400615US | DATACANOPY-C1-NVA5 - Data Canopy Colocation, LLC | 2K | — | 8 |
| AS400454US | AS-DATAREMOTE - DataRemote, Inc. | 2K | — | 8 |
| AS54407US | ARENT-FOX-LLP - ArentFox Schiff LLP | 2K | — | 8 |
| AS400258US | HBE-INTERNET - Professional Satellite Service, Inc. | 2K | — | 8 |
| AS53797US | PINPOINTE-N1 - Pinpointe On-Demand, Inc. | 2K | — | 1 |
| AS394381US | L7-CONNECT - L7 Connect | 2K | — | 8 |
| AS20338US | MYTELASN - My Telepath, Inc | 2K | — | 1 |
| AS17162US | DONALDSON - Donaldson Company, Inc. | 2K | — | 1 |
| AS40790US | BCG-NETWORK - BCG Attorney Search | 2K | — | 2 |
| AS8046US | NAPANET - NapaNet | 2K | 1 | 2 |
| AS54905US | DIGITAL-LANDSCAPE - Digital Landscape, Inc. | 2K | — | 1 |
| AS11523US | AS-HLEEM - H. Lee Moffitt Cancer Center & Research Institute, Inc. | 2K | — | 5 |
| AS42633US | DeloitteToucheTohmatsu-Global Deloitte Touche Tohmatsu Services, LLC | 2K | 8.2K | 8 |