Loading…
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. | 218.1M | 24,718 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,307 |
| 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.
32,222 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 | 3,893 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,007 |
| AS701US | UUNET - Verizon Business | 43.6M | 997 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,395 |
| 512 |
| — |
| 2 |
| AS211831US | Canfield Canfield Scientific, Inc. | 512 | — | 2 |
| AS14738US | DIGIKEY - Digi-Key Corporation | 512 | — | 2 |
| AS36576US | WTAE-TV - Hearst-Argyle Television, Inc. | 512 | — | 2 |
| AS13452US | AS-IL1-DIA - Guggenheim Services LLC | 512 | — | 2 |
| AS30327US | ALFA-MUTUAL - Alfa Mutual Insurance Company | 512 | — | 2 |
| AS63050US | MII-DOMAIN - MiTek Inc. | 512 | — | 2 |
| AS18629US | LTF-001 - Life Time, Inc | 512 | — | 2 |
| AS8012US | THE-BANK-OF-NEW-YORK-MELLON-CORPORATION-AS8012 - The Bank of New York Mellon Corporation | 512 | — | 2 |
| AS394220US | AMWAYCENTER - Orlando Venues | 512 | — | 2 |
| AS40334US | TGNA-KENS - TEGNA Inc. | 512 | — | 2 |
| AS397126US | SWRI-BLDR - Southwest Research Institute | 512 | — | 2 |
| AS393824US | APOG-LENOIR-RHYNE - Apogee Telecom Inc. | 512 | — | 1 |
| AS399272US | BARNHOLDT-NA - Barnholdt, LLC | 512 | 270 | 14 |
| AS4898US | OPENTABLE-AS - Opentable, Inc. | 512 | — | 2 |
| AS20359US | PREFERREDMUTUALINSURANCECOMPANY - Preferred Mutual Insurance Company | 512 | — | 2 |
| AS14345US | AFS-8 - AMERIPRISE FINANCIAL SERVICES, LLC | 512 | — | 1 |
| AS53374US | NTIU5 - Northwest Tri-County IU 5 | 512 | — | 2 |
| AS197841US | MICHAEL - Michael Newcomb, Sole Proprietorship | 512 | 32 | 4 |
| AS396846US | FL-WIFI-01 - Florida Wifi, LLC | 512 | — | 2 |
| AS218572US | ORG-CLL25-AS CORVID LINK LLC | 512 | — | 2 |
| AS54357US | FIRST-SOLAR - First Solar, inc. | 512 | — | 2 |
| AS400493US | APEXA-AS - APEX Analytix, LLC | 512 | — | 2 |
| AS14512US | BENTLEY-AS - Bentley University | 512 | — | 1 |
| AS40000US | NOBLIS-AUTONOMOUS-SYSTEM - Noblis, Inc. | 512 | — | 2 |
| AS398287US | BITCOM - Bitcom | 512 | — | 2 |
| AS399028US | MEADO-ASN-01 - Meadowbrook, Inc. | 512 | — | 2 |
| AS46577US | HALNET-FMT2 - Halibut Electronics, Inc | 512 | 2 | 4 |
| AS16542US | MGIC - Mortgage Gauranty Insurance Corp | 512 | — | 2 |
| AS155US | DNIC-AS-00155 - United States Department of Defense (DoD) | 512 | — | 2 |
| AS398888US | RAPIDWIRELESS - Rapid Wireless, LLC | 512 | — | 2 |
| AS54223US | ETRAILER - etrailer Corporation | 512 | — | 2 |
| AS400597US | SILICONDUST - Silicondust USA, Inc. | 512 | 2 | 4 |
| AS40908US | IES - Integrated Electrical Services, Inc (IES) | 512 | — | 2 |
| AS22312US | TECO-ENERGY - TECO Energy, LLC | 512 | — | 2 |
| AS1010US | WHT-ASN-01 - Walnut Hill Communications | 512 | — | 2 |
| AS398004US | TGNA-KSFM - TEGNA Inc. | 512 | — | 2 |
| AS398665US | CSBSO - COUNTY OF SAN BERNARDINO | 512 | — | 2 |
| AS399615US | OCU-ASN01 - ORIX Corporation USA | 512 | — | 2 |
| AS399144US | SUHSD-INTERNET-2026 - Sequoia Union High School District | 512 | — | 2 |
| AS399936US | PBX-SALTLAKECITY - PBXIO LLC | 512 | 4.1K | 3 |
| AS27201US | COLVA - CITY OF LYNCHBURG | 512 | — | 2 |
| AS14440US | CITONCOMPUTERCORP - Citon Computer Corp | 512 | 4.1K | 10 |
| AS395009US | VECTORWORKS-NET - Vectorworks, Inc. | 512 | — | 2 |
| AS400672US | AS-PHOENIXNAP-LA0 - PhoenixNAP LLC | 512 | 257 | 4 |
| AS14830US | PFA-BETH-AS-1 - ProFund Advisors LLC | 512 | — | 2 |
| AS33173US | MYGN-US - Myriad Genetics Incorporated | 512 | — | 2 |