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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,291 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,268 |
| 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 | 411 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,732 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,968 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,335 |
| — |
| — |
| 0 |
| AS53807US | SNV-CORP-ARIBA - SAP America Inc. | — | — | 0 |
| AS53814US | BGP - Lafayette Federal Credit Union - NET Telcos, Inc | — | — | 0 |
| AS53870US | THISTLEGROVE - Thistle Grove Industries | — | — | 0 |
| AS53890US | VITU-49 - Virtuoso, Ltd. | — | — | 0 |
| AS53912US | AS-DUBLIN-MD - Guggenheim Services LLC | — | — | 0 |
| AS53932US | TELX-ATLANTA - Telx | — | — | 0 |
| AS53997US | DNC-HOLDINGS-INC - DNC Holdings, Inc. | — | — | 0 |
| AS54138US | NETPROTECT-OVP - Overplay, Inc | — | — | 0 |
| AS54207US | ANAGLYPH-CONSULTING - Anaglyph Consulting, Inc. | — | — | 0 |
| AS54335US | RENDERCORELAB - RENDERCORE LAB INC | — | — | 0 |
| AS54360US | USJ-ASN - USJ | — | — | 0 |
| AS54595US | DELCO - Delaware County | — | — | 0 |
| AS54630US | DOCUSIGN-FEDERAL - Docusign, Inc | — | — | 0 |
| AS54733US | GETDATACOM - Datacom LLC | — | — | 0 |
| AS54771US | PLAN-CBL - Hargray Communications Group, Inc. | — | — | 0 |
| AS54827US | HNB-2ND-ASN - Huntington Bancshares Inc. | — | — | 0 |
| AS54895US | ASN-216 - Internet Pipeline, Inc. | — | — | 0 |
| AS54950US | USCAL-ATT-SIP - AEG | — | — | 0 |
| AS54966US | HALBERT-HARGROVE - Halbert Hargrove Global Advisors, LLC | — | — | 0 |
| AS54985US | AS-PIN - PIN LLC | — | — | 0 |
| AS54995US | NEOLANE-INC - Adobe Inc. | — | — | 0 |
| AS55085US | OLBANKING-PROD-AS - Fiserv Solutions, LLC | — | — | 0 |
| AS55199US | AS-EPSILON - Epsilon US, Inc. | — | — | 0 |
| AS55273US | 360-MADDISON-BGP - etc.venues NYC LLC | — | — | 0 |
| AS56799US | CyberHeat Cyberheat.io, LLC | — | — | 0 |
| AS59800US | AS-DNS1 Hostonce LLC | — | — | 0 |
| AS59936US | JOEY Joseph White-Swift | — | — | 0 |
| AS62486US | TMX - TMX Finance LLC | — | — | 0 |
| AS62547US | EXELISVIS - L3Harris Technologies, Inc. | — | — | 0 |
| AS62567US | DIGITALOCEAN-AS62567 - DigitalOcean, LLC | — | — | 0 |
| AS62603US | FRSS-AS-01 - Four Rivers Software Systems, Inc. | — | — | 0 |
| AS62650US | LEAF-GROUP-LTD - Leaf Group Ltd. | — | — | 0 |
| AS62708US | SMARTDATASOLUTIONS - Smart Data Solutions, LLC | — | — | 0 |
| AS62709US | MEDEXPRESS-URGENT-CARE-MSO-LLC - MedExpress | — | — | 0 |
| AS62746US | EZCORP-INC - EZCORP | — | — | 0 |
| AS62769US | AS-KINETOGRAPH - Kinetograph LLC | — | — | 0 |
| AS62771US | DUCOM - Drexel University College of Medicine | — | — | 0 |
| AS62780US | GOULD - Gould Paper Corporation | — | — | 0 |
| AS62828US | QUARTZ-SYSTEMS - Quartz Systems, LLC | — | — | 0 |
| AS62908US | SOURCEMED - Source Medical Solutions Inc. | — | — | 0 |
| AS62927US | MOOSE-TEC - Moose-Tec | — | — | 0 |
| AS63142US | LOGICMONITOR-NET-AS - LogicMonitor, Inc. | — | — | 0 |
| AS63230US | REVSPRING-PHOENIX - Revspring Inc. | — | — | 0 |
| AS63235US | REVSPRING-OAKS - Revspring Inc. | — | — | 0 |
| AS63250US | YUNXIN-LLC - yunxin llc | — | — | 0 |
| AS63295US | ORCL-CHICAGO1 - Oracle Corporation | — | — | 0 |