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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 | 23,666 |
| 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 |
| 234 |
| 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 | 4,491 |
| — |
| — |
| 0 |
| AS399431US | AMCN-CORP-AS-BTHPNY - Rainbow Media Holdings LLC | — | — | 0 |
| AS399396US | NY-MASSIVEGRID-1-MNT - MASSIVEGRID, INC | — | — | 0 |
| AS399047US | GIGAPOINTE - L.I. Combs Management Corp. | — | — | 0 |
| AS399162US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS396134US | SOMOS-VA - Somos, Inc. | — | — | 0 |
| AS396099US | SD-ASN-01 - Subnet Digital LLC | — | — | 0 |
| AS395575US | OPTORO - Optoro, Inc. | — | — | 0 |
| AS62554US | BSTONE-2K12 - BLACKSTONE CALLING CARD, INC. | — | — | 0 |
| AS395150US | FCPS - Frederick County Public Schools | — | — | 0 |
| AS400254US | WT-JACK - Wolverine Trading, LLC | — | — | 0 |
| AS397469US | SPECTEROPS-AS-01 - SpecterOps | — | — | 0 |
| AS395574US | BAGE-UPBGP - BAGE CLOUD LLC | — | — | 0 |
| AS397047US | EM-PRIMARY-ASN1 - EMMA, Inc | — | — | 0 |
| AS396888US | ZUORA-CORP-EMEA - Zuora, Inc | — | — | 0 |
| AS396778US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS397204US | VRSN-AC28 - VeriSign Global Registry Services | — | — | 0 |
| AS396579US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396572US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS30178US | CSI-ASN - College of Southern Idaho | — | — | 0 |
| AS30347US | IBERIABANKLFY - IBERIABANK CORPORATION | — | — | 0 |
| AS29780US | WOW-INTERNET-CLV - WideOpenWest Finance LLC | — | — | 0 |
| AS132128US | CTL-AS-AP - CommScope Technologies LLC | — | — | 0 |
| AS394007US | GE-PREDIX - General Electric Company | — | — | 0 |
| AS393955US | WIRELESS-PARTNERS-LLC - Wireless Partners LLC | — | — | 0 |
| AS393757US | BPS-2 - Bass Pro, LLC. | — | — | 0 |
| AS4198US | RADIXNET - RadixNet, Inc. | — | — | 0 |
| AS54988US | CMAS1 - cloudmain.com | — | — | 0 |
| AS54908US | DEVONCORP2 - Devon Energy Corporation | — | — | 0 |
| AS54408US | FICOH - First Insurance Company of Hawaii | — | — | 0 |
| AS206116US | GATE-AS-EU Gate Communications LLC | — | — | 0 |
| AS54000US | ARC-INTERNET - Augusta Georgia | — | — | 0 |
| AS53998US | FOX - Fox | — | — | 0 |
| AS201994US | AMETEK-LDC AMETEK Inc. | — | — | 0 |
| AS54144US | EI-SERVICES - Shawn Kleinart Consulting | — | — | 0 |
| AS218798US | Reboot-Labs Reboot Labs LLC | — | 458.8K | 15 |
| AS64468US | CSML-14-64468 - Summit Securities Group LLC | — | — | 0 |
| AS63375US | FULLSPANSOLUTIONS-AS02 - Full Span Solutions LLC | — | — | 0 |
| AS63446US | GLOBALCONNECTIONS-AS - Global Connections, Inc | — | — | 0 |
| AS63075US | GL-SDWAN - GeoStar, LLC. | — | — | 0 |
| AS63026US | DP-ASN - DartPoints LLC | — | — | 0 |
| AS398708US | OFFICERING - OFFICERING LLC | — | — | 0 |
| AS138918US | NTC-AS-SYD - Northern Trust Corporation | — | — | 0 |
| AS398329US | AS-CHIL - CHI-NOG | — | — | 0 |
| AS398278US | ITI-FW-DC - ITI | — | — | 0 |
| AS397869US | ADSUPPLY - AdSupply, Inc. | — | — | 0 |
| AS398133US | DMEA - DMEA | — | — | 0 |