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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,661 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 236 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,490 |
| DRC - Dynamics Research Corporation |
| — |
| — |
| 0 |
| AS1964US | MCI-NETCS - Verizon Business | — | — | 0 |
| AS1978US | DNIC-AS-01978 - Navy Network Information Center (NNIC) | — | — | 0 |
| AS1979US | DNIC-AS-01979 - Navy Network Information Center (NNIC) | — | — | 0 |
| AS1985US | DNIC-AS-01985 - Navy Network Information Center (NNIC) | — | — | 0 |
| AS1995US | DNIC-AS-01995 - Navy Network Information Center (NNIC) | — | — | 0 |
| AS2034US | NGIS-AS2 - Northrop Grumman Corp. | — | — | 0 |
| AS2051US | CISCO-EXT - CISCO SYSTEMS, INC. | — | — | 0 |
| AS2056US | AOL-AS - Yahoo Holdings Inc. | — | — | 0 |
| AS2166US | HPINC - HP Inc. | — | — | 0 |
| AS2573US | QED-SYS - QED Systems, Inc. | — | — | 0 |
| AS2581US | GAO - U.S. Government Accountability Office | — | — | 0 |
| AS2622US | DNIC-AS-02622 - United States Department of Defense (DoD) | — | — | 0 |
| AS2623US | DNIC-AS-02623 - United States Department of Defense (DoD) | — | — | 0 |
| AS2684US | NET-ASSEMBLY-CA-GOV - California ASSEMBLY | — | — | 0 |
| AS2730US | Q7-LABS - Q7 Labs, LLC | — | — | 0 |
| AS2767US | ZAYO-CAN-2767 - Zayo Bandwidth | — | — | 0 |
| AS2899US | SPRO-NET - ARK Data Centers LLC | — | — | 0 |
| AS2951US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS2968US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS3000US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS3010US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS3019US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS3038US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS3051US | RICE-AS3051 - Rice University | — | — | 0 |
| AS3078US | CITI12 - Citigroup Inc. | — | — | 0 |
| AS3115US | DSMNET - Infotex of Iowa | — | — | 0 |
| AS3117US | KUPJONES-KREATIONS - Texas Dept. of Mental Health & Mental Retardation | — | — | 0 |
| AS3120US | MAGIC-INTRNL - General Magic, Inc. | — | — | 0 |
| AS3144US | HEPTA-SKY - HeptaSky LLC | — | — | 0 |
| AS3358US | UCIA-AS - Central Intelligence Agency | — | — | 0 |
| AS3469US | DNIC-AS-03469 - United States Department of Defense (DoD) | — | — | 0 |
| AS3494US | INS-COM - INTERNATIONAL NETWORK SERVICES | — | — | 0 |
| AS3520US | DSI-WR - RTX BBN Technologies, Inc. | — | — | 0 |
| AS3536US | DNIC-AS-03536 - United States Department of Defense (DoD) | — | — | 0 |
| AS3537US | DNIC-AS-03537 - United States Department of Defense (DoD) | — | — | 0 |
| AS3553US | COVANET - Commonwealth of Virginia | — | — | 0 |
| AS3560US | GDSAS - Technetix, Inc. | — | — | 0 |
| AS3566US | JRIVER-LINK - JRiver, Inc. | — | — | 0 |
| AS3579US | DATABANK - Databank, Inc. | — | — | 0 |
| AS3604US | CPBX - Linder Computer Enterprises | — | — | 0 |
| AS3610US | MHV-NET - Computer Solutions by Hawkinson | — | — | 0 |
| AS3649US | COGENT-3649 - Cogent Communications, LLC | — | — | 0 |
| AS3655US | GE-IPS - General Electric Company | — | — | 0 |
| AS3683US | AMERICAN-NET - American Network | — | — | 0 |
| AS3706US | DIGEX-AS2 - Digital Express Group, Inc. | — | — | 0 |
| AS3710US | REALM-AS - Realm Corporation | — | — | 0 |