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 | 26,023 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,308 |
| 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.
32,233 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 | 51.6M | 3,893 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,006 |
| AS701US | UUNET - Verizon Business | 43.6M | 992 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,360 |
| 512 |
| — |
| 2 |
| AS396104US | KARMA-CORP-SVCS - Karma Automotive, LLC | 512 | — | 2 |
| AS393323US | WATERFURNACE - Waterfurnace International, Inc | 512 | — | 2 |
| AS393746US | MAXHOST-IO - Amazing Creations and More LLC | 512 | 5 | 7 |
| AS396875US | CCINC - Consumer Cellular Inc. | 512 | — | 2 |
| AS7455US | MOTO-INT1-AS - Motorists Mutual Insurance Company | 512 | — | 2 |
| AS17342US | HCCFL-AS - Hillsborough Community College | 512 | — | 2 |
| AS397012US | OXYAHGC-01 - oXya Corporation | 512 | — | 1 |
| AS400314US | GULF-WINDS-1 - Gulf Winds Credit Union | 512 | — | 2 |
| AS32562US | SLACKER-1 - Slacker Inc. | 512 | — | 2 |
| AS36525US | ALLEGIANCE-HEALTH - ALLEGIANCE HEALTH SERVICES | 512 | — | 2 |
| AS54514US | JFNA - Jewish Federations of North America, Inc. | 512 | — | 2 |
| AS401156US | MCB - Metropolitan Commercial Bank | 512 | — | 2 |
| AS4361US | VERSATURE-NET2PHONE - IDT Corporation | 512 | — | 2 |
| AS33759US | REGENERON - Regeneron Pharmaceuticals Inc. | 512 | — | 2 |
| AS46460US | KARMAK-NET - Karmak, Inc. | 512 | — | 1 |
| AS15276US | ZENDA-ASN - Zenda Telephone | 512 | — | 1 |
| AS11200US | REGISU - Regis University | 512 | — | 2 |
| AS53546US | LEGION - Legion, Inc. | 512 | — | 1 |
| AS26021US | AS-DNS3 - Unicycle, LLC | 512 | 4 | 4 |
| AS54362US | OGDEN-CITY-CORPORATION - Ogden City Corporation | 512 | — | 1 |
| AS40711US | INTERACTIVE-CHIC - Interactive Brokers LLC | 512 | — | 2 |
| AS55181US | KEUKA-COLLEGE - Keuka College | 512 | — | 2 |
| AS399400US | INSPIRO-RELIA-US - Inspiro Relia US, Inc. | 512 | — | 2 |
| AS30508US | TXDPS - Texas Department of Public Safety | 512 | — | 2 |
| AS54204US | WVTM-TV - HEARST CORPORATION | 512 | — | 2 |
| AS32744US | MCCC - Montgomery County Community College | 512 | — | 2 |
| AS29868US | DRW-HOLDINGS - DRW Holdings, LLC | 512 | — | 2 |
| AS395598US | MORAE-GLOBAL-US - Morae Global | 512 | — | 2 |
| AS13460US | EARTHCAM - EarthCam, Inc. | 512 | 2 | 4 |
| AS395279US | MICLOUD-US - Mitel Networks, Inc. | 512 | — | 2 |
| AS393448US | LIBERALLY-SINGAPORE - Liberally Network, LLC | 512 | 3 | 5 |
| AS398003US | TGNA-WOI - TEGNA Inc. | 512 | — | 2 |
| AS27001US | DAYSINNHOTELCIRCLE-GUEST-INTERNET - Days Inn Hotel Circle Sea World | 512 | — | 1 |
| AS55249US | SAGE-ELSEG1 - Sage Publications, Inc. | 512 | — | 1 |
| AS15249US | XPRESS-DATA - Xpress Data, Inc. | 512 | — | 2 |
| AS27507US | XTREME-INTERNET - Xtreme Internet | 512 | — | 2 |
| AS397259US | PIRATEL-LA1 - Piratel LLC | 512 | — | 2 |
| AS398843US | SABINO-WIFI-ASN - Sabino WiFi LLC | 512 | 65.5K | 3 |
| AS30279US | TUHSD-AS1 - TOLLESON UNION HIGH SCHOOL DISTRICT #214 | 512 | — | 2 |
| AS46139US | METASOURCE - Metasource LLC | 512 | — | 2 |
| AS7767US | EB - Encyclopaedia Britannica | 512 | 1 | 3 |
| AS13454US | PA-TURNPIKE - PENNSYLVANIA TURNPIKE COMMISSION | 512 | — | 2 |
| AS398015US | MICRO4ASN - MicroFour, Inc. | 512 | — | 2 |
| AS18870US | GWB - Great Western Bank | 512 | — | 2 |
| AS62966US | AS-BRIGHTEDGE-COM - BrightEdge Technologies | 512 | — | 1 |
| AS401460US | METROPLUS-HEALTH - METROPLUS HEALTH PLAN, INC. | 512 | — | 2 |