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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,174 |
| 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 | 3,656 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,940 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,379 |
| 1.3K |
| — |
| 5 |
| AS401170US | HBG-IP - HBG Inc. | 1.3K | — | 4 |
| AS32924US | GREENWAY-HEALTH - Greenway Health, LLC | 1.3K | — | 4 |
| AS22649US | AS-CODINGDIRECT - CodingDirect LLC | 1.3K | 4.1K | 6 |
| AS16641US | 16641 - ACBB-BITS, LLC | 1.3K | — | 5 |
| AS396046US | PNFP - Pinnacle Financial Partners, Inc. | 1.3K | — | 3 |
| AS399377US | DESERTGATE - DesertGate Internet LLC | 1.3K | — | 4 |
| AS11940US | DIRECTSCOM - Direct Supply, Inc. | 1.3K | — | 4 |
| AS55185US | GWLT-ORL01 - Gainwell Technologies LLC | 1.3K | — | 5 |
| AS1326US | ANSBB-ASNNET-1 - Verizon Business | 1.3K | — | 5 |
| AS4390US | BELLATLANTIC-COM - Bell Atlantic, Inc. | 1.3K | 1 | 6 |
| AS31834US | TELA-ASN - TELA, Incorporated | 1.3K | — | 5 |
| AS399907US | CAJUN-BROADBAND - Cajun Broadband, Inc | 1.3K | — | 2 |
| AS397582US | WOW - WOW-World of Wireless | 1.3K | — | 5 |
| AS14676US | REGUS - Regus Business Centre, LLC | 1.3K | — | 5 |
| AS401077US | UMBRACORP - Umbra Industries Corporation | 1.3K | 1 | 3 |
| AS400506US | BAIAS - Black Apple | 1.3K | — | 5 |
| AS27526US | ENDAI-NETWORKS-ASN - Endai Corporation | 1.3K | — | 4 |
| AS36446US | OCOSA - OCOSA Communication, LLC | 1.3K | 4.1K | 5 |
| AS32373US | AW1-WAYNE - AssetWorks, Inc. | 1.3K | — | 5 |
| AS53616US | ASYMPTOTE - ASYMPTOTE NETWORK, LLC | 1.3K | — | 2 |
| AS401890US | HYPFLX-AS01 - Hyperflex Broadband LLC | 1.3K | 65.5K | 3 |
| AS397076US | ECI-ASN - ECi Software Solutions, Inc. | 1.3K | — | 3 |
| AS396311US | FASTWAVE - FastWave.biz | 1.3K | — | 2 |
| AS36360US | ZINGOMEDIA - Zingo Media Group LLC | 1.3K | — | 5 |
| AS393247US | PARKVIEW-HEALTH - Parkview Hospital | 1.3K | — | 2 |
| AS397725US | JNR-ELECTRONICS-1 - J AND R ELECTRONICS, INC. | 1.3K | — | 2 |
| AS54572US | AS-ASN-2 - Nasdaq, Inc. | 1.3K | — | 3 |
| AS954US | TS-1316-954 - TMTG | 1.3K | — | 5 |
| AS47069US | USKVM - USKVM LLC | 1.3K | 4.1K | 3 |
| AS22414US | CRAIGS-NET-1 - Craigslist, Inc. | 1.3K | 17 | 4 |
| AS63051US | CRITICALHOSTING-USA - Critical Hosting Solutions LLC | 1.3K | 65.5K | 6 |
| AS54420US | COCC-ISP1 - COCC | 1.3K | — | 5 |
| AS399949US | AS-CYLOGIC - CYLOGIC INC | 1.3K | — | 2 |
| AS399586US | OKALOOSA-COUNTY-FL - The County of Okaloosa | 1.3K | — | 5 |
| AS14054US | PURPLENET - Purple Computer North America, Inc. | 1.3K | 1 | 6 |
| AS393506US | MYCOMUS-AS - MY.COM US, INC. | 1.3K | — | 4 |
| AS6977US | AS-LAYERSWITCH - LayerSwitch, Inc | 1.3K | 4.1K | 6 |
| AS32546US | SMARSH - Smarsh Inc | 1.3K | — | 4 |
| AS30697US | IVISION - iVision, Inc. | 1.3K | — | 2 |
| AS14649US | COSI-US - Contengent Online Systems Inc | 1.3K | — | 2 |
| AS23096US | CNSL-32-23096 - Controlled Networks Solution LLC | 1.3K | — | 5 |
| AS16754US | TTL-31 - TRILLIUM TRADING LLC | 1.3K | — | 4 |
| AS62631US | AURUS - Aurus Inc | 1.3K | — | 5 |
| AS26931US | SCHONFELD-NET - Schonfeld Strategic Techworx, LLC. | 1.3K | — | 4 |
| AS11455US | USTR-ASN - US Technology Resources, LLC | 1.3K | — | 5 |
| AS54566US | SERVIKUS - Servikus LLC | 1.3K | 256 | 3 |