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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 | 23,999 |
| 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.
32,154 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 231 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,882 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,990 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,318 |
| — |
| — |
| 0 |
| AS55071US | IMPREZZIO-SPK - Imprezzio Inc | — | — | 0 |
| AS55135US | HPDF-LBNL - High Performance Data Facility | — | — | 0 |
| AS55177US | REDTECT - Red Tect LLC | — | — | 0 |
| AS55202US | PUB-AAWS-ASN - Alcoholics Anonymous World Services, Inc | — | — | 0 |
| AS55238US | KMCPHX - PING, INC. | — | — | 0 |
| AS60939US | ASN-FIBREBAY Fibrebay Network LLC | — | — | 0 |
| AS62496US | ARVIG-62496 - Arvig Enterprises Inc. | — | — | 0 |
| AS62527US | BALTLIFE-AS-MAIN - The Baltimore Life Companies | — | — | 0 |
| AS62638US | MARRIOTT-HDQ-01 - Marriott International, Inc. | — | — | 0 |
| AS62727US | PLEXICOMM - Plexicomm, LLC | — | — | 0 |
| AS62764US | ICS-OAK-BROOK-HQ - Inland Computer Services Inc | — | — | 0 |
| AS62776US | HEALTH-DIALOG - Health Dialog Services Corporation | — | — | 0 |
| AS62870US | PMG - Princeton Medical Group | — | — | 0 |
| AS63080US | WIX - WILLAMETTE INTERNET EXCHANGE INC | — | — | 0 |
| AS63181US | SJH-NH - St. Joseph Hospital | — | — | 0 |
| AS63245US | TRAFBIZ-01 - Microsoft Corporation | — | — | 0 |
| AS63262US | LBUS-AS - LayerBridge | — | — | 0 |
| AS63373US | NFI-ASN-01 - Net Friends, Inc. | — | — | 0 |
| AS63425US | GROUPONE-VA1 - Group One Consulting, Inc. | — | — | 0 |
| AS64263US | RGNCM - R. G. Niederhoffer Capital Management, Inc. | — | — | 0 |
| AS131477US | PSC-594-131477 - Prime Security Corp. | — | — | 0 |
| AS197598US | VIRTUEON Virtueon Solutions LLC | — | — | 0 |
| AS198383US | private-network-customer Travchis LLC | — | — | 0 |
| AS198998US | TimKevin Tim Kevin | — | — | 0 |
| AS199765US | FREECONNECT EEST Networks LLC | — | — | 0 |
| AS200084US | Nex_clip Joseph Villa | — | — | 0 |
| AS200506US | Big-Neto-cloud NetO Corp | — | — | 0 |
| AS204191US | sobesky Miss Group INC | — | — | 0 |
| AS205488US | ISC-BBU1 Internet Systems Consortium Inc. | — | — | 0 |
| AS211541US | STORJ Storj Labs Inc. | — | — | 0 |
| AS213215US | VXLAN Xiaomin Wu | — | — | 0 |
| AS213623US | ihg-asn SIX CONTINENTS HOTELS, INC. | — | — | 0 |
| AS219045US | Triangle-International Triangle International LLC | — | — | 0 |
| AS219233US | PinnacleWave PinnacleWave Corp LLC | — | — | 0 |
| AS393265US | WAVELINK-COMMUNICATIONS - WaveLink Communications | — | — | 0 |
| AS393315US | 3000 - ITW FOOD EQUIPMENT GROUP | — | — | 0 |
| AS393402US | HARTELCO - Hartelco | — | — | 0 |
| AS393537US | GBI - Gold Bullion International LLC | — | — | 0 |
| AS393576US | FMA-ALLIANCE-LTD - FMA Alliance, Ltd. | — | — | 0 |
| AS393597US | 1PATH - 1Path | — | — | 0 |
| AS393609US | MCPHSU - Massachusetts College of Pharmacy and Health Sciences | — | — | 0 |
| AS393646US | RQNPC-01 - Ray Quinney & Nebeker P.C. | — | — | 0 |
| AS393831US | KAPPACOMPUTERSYSTEMSLLC - Kappa Computer Systems LLC | — | — | 0 |
| AS393918US | BARNSTABLECOUNTY - Barnstable County | — | — | 0 |
| AS393978US | TTI-23-393978 - Trading Technologies Intl, Inc. | — | — | 0 |
| AS394029US | LUBBOCK911 - Lubbock Emergency Communication District | — | — | 0 |