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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. | 211.1M | 21,110 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,246 |
| 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 | 398 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,708 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,954 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,419 |
| — |
| — |
| 0 |
| AS398466US | BUILTFAST - SiteTailors, LLC | — | — | 0 |
| AS398503US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398541US | PELOTON-01 - Peloton Interactive Inc. | — | — | 0 |
| AS398584US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398587US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398588US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398603US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398628US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398635US | GNC-AM-DC-01 - Access Master | — | — | 0 |
| AS398776US | APWUHP-NET - American Postal Workers Union, AFL-CIO Health Plan | — | — | 0 |
| AS398807US | AURORA-NETWORKS-01 - Aurora Borealis Networks | — | — | 0 |
| AS398826US | OLINK-CLOUD - OLink Cloud LLC | — | — | 0 |
| AS398835US | LINKED-LAKES - Linked Lakes | — | — | 0 |
| AS398950US | ROTS - Rounders On The Strip | — | — | 0 |
| AS398973US | MORGAN-ASN-EV-3 - Morgan Stanley | — | — | 0 |
| AS399020US | SADOS-MSP-INC - SADOS MSP, Inc | — | — | 0 |
| AS399062US | BMC-NET - Aspeed Newtorks LLC | — | — | 0 |
| AS399174US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS399177US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS399181US | CROSS-RIVER-01 - Cross River Bank | — | — | 0 |
| AS399243US | MVT-LC-EP-DATACENTERS - Mesilla Valley Transportation | — | — | 0 |
| AS399380US | BRAILLEWORKS - Brailleworks | — | — | 0 |
| AS399489US | GTG-PDX01 - Genuine Technology Group, Inc | — | — | 0 |
| AS399506US | EIT-ASN-01 - Eagle IT | — | — | 0 |
| AS399516US | TRUEREGISTRAR - PeaceWeb | — | — | 0 |
| AS399602US | CTUIR-ASN-01 - Confederated Tribes of the Umatilla Indian Reservation | — | — | 0 |
| AS399625US | BDO-PUBLIC-SECTOR - BDO Public Sector, LLC | — | — | 0 |
| AS399950US | ATORI LLC - Atori LLC | — | — | 0 |
| AS399959US | DES-NET - Data Enterprise Systems Inc | — | — | 0 |
| AS400015US | BYITGKC - Blue Yonder, Inc | — | — | 0 |
| AS400091US | ISC-F-AS - Internet Systems Consortium, Inc. | — | — | 0 |
| AS400105US | SUN-FIBER - SUN FIBER, LLC | — | — | 0 |
| AS400191US | INDENT - Indent Solutions | — | — | 0 |
| AS400206US | 172-97-72-0-WIMAX-EXPRESS - WiMAX Express Inc. | — | — | 0 |
| AS400217US | TMZ1 - TMZ | — | — | 0 |
| AS400259US | VSL - VIRION STRATEGIES LLC | — | — | 0 |
| AS400292US | TRUELIST - Truelist, LLC | — | — | 0 |
| AS400324US | AS-01-MEL - Mitchell Engineering LLC | — | — | 0 |
| AS400367US | WDT-TX-VA-BGP-01 - Solis Mammography | — | — | 0 |
| AS400413US | MARTINCOIT - Martincoit Networks | — | — | 0 |
| AS400574US | MICROSOFT-AZURE-DEDICATED - Microsoft Corporation | — | — | 0 |
| AS400625US | ACSC1003 - Automobile Club of Southern California | — | — | 0 |
| AS400751US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | — | — | 0 |
| AS400788US | FOOXYZ - FOO.XYZ LLC | — | — | 0 |
| AS400793US | AS-APEXLOOP - Apex Loop LLC | — | — | 0 |
| AS400808US | SALTWATERSCUBA-ASN - Saltwater Scuba, LLC | — | — | 0 |