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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 | 21,260 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,265 |
| 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 | 413 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,727 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,958 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,328 |
| — |
| — |
| 0 |
| AS397835US | GLENDALE-WATER-AND-POWER - Glendale Water and Power | — | — | 0 |
| AS397845US | HSBNA-PRIMARY - Home State Bank, National Association | — | — | 0 |
| AS397954US | GJC-INTERNAL - GJC | — | — | 0 |
| AS397996US | NEC-PUBLIC - Microsoft Corporation | — | — | 0 |
| AS398040US | Q5NETWORKS-01 - Q5 Networks | — | — | 0 |
| AS398051US | MUTUALINK01 - Mutualink, Inc. | — | — | 0 |
| AS398110US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | — | — | 0 |
| AS398166US | MARGOLIN-MAIN - Margolin, Winer & Evens L.L.P. | — | — | 0 |
| AS398171US | NEXOGY - nexogy, INC | — | — | 0 |
| AS398184US | HIGHSCORE-ASN-1 - Highscore, Inc | — | — | 0 |
| AS398211US | IONQI-1 - IonQ, Inc. | — | — | 0 |
| AS398220US | QSHL-ASN - Quick Server Hosting LLC | — | — | 0 |
| AS398271US | HVPN - HardenedVPN.com LLC | — | — | 0 |
| AS398404US | CKM-AS-00 - CastleKnight Management LP | — | — | 0 |
| AS398495US | CT-444-2 - CS Technologies | — | — | 0 |
| AS398504US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398573US | CUPANET-LCK-AS - Commonwealth University of Pennsylvania | — | — | 0 |
| AS398590US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398611US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398616US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398651US | DCT-CLOUD-AS1 - Dimenxional Cloud Technologies, LLC | — | — | 0 |
| AS398658US | MICROSOFT-AZURE-DEDICATED - Microsoft Corporation | — | — | 0 |
| AS398680US | NXP-BUILD - Willis Towers Watson | — | — | 0 |
| AS398706US | PHX01-CASAGRANDE - Lucid USA, Inc. | — | — | 0 |
| AS398858US | TSYS-EQUINIX-LD7 - Global Payments Inc. | — | — | 0 |
| AS398864US | CHAR-CO-FL-SB - The School Board of Charlotte County, FL | — | — | 0 |
| AS398870US | GCRNET - University of North Carolina at Greensboro | — | — | 0 |
| AS398887US | AS-WEB3 - Sulpizi Development LLC | — | — | 0 |
| AS398966US | MULTITEL - MultiTEL LLC | — | — | 0 |
| AS399333US | AS-COLOMICHIGAN - ColoMichigan LLC | — | — | 0 |
| AS399351US | MEL-V1 - The Northern Trust Company | — | — | 0 |
| AS399383US | ASLIN-999 - linxiaobai LLC | — | — | 0 |
| AS399403US | CMC-SUN-01 - Axim Geospatial LLC | — | — | 0 |
| AS399423US | CBNEPTUNE-AS-399423 - CB Neptune Holdings, LLC | — | — | 0 |
| AS399448US | PEACEWEB-CLOUD - PeaceWeb | — | — | 0 |
| AS399470US | PROACTIS-US-ASN - Perfect Commerce, LLC | — | — | 0 |
| AS399487US | VBRICK-AWS-01 - Vbrick | — | — | 0 |
| AS399585US | BLACKSTAR-01 - BlackStar Group | — | — | 0 |
| AS399611US | OMNIPOINT-INTERNET - OmniPoint Internet | — | — | 0 |
| AS399655US | CYCOG-ASN1 - CyCognito Inc. | — | — | 0 |
| AS399757US | RAPTOR-TRADING-SYSTEMS - Raptor Trading Systems Inc | — | — | 0 |
| AS399862US | M2M-COMMUNICATORS-01 - M2M Communicators Inc | — | — | 0 |
| AS399906US | SACREDSHIP-01 - Sacred Ship Technologies Inc | — | — | 0 |
| AS399908US | CCG-TECHNOLOGY - Good Deal Development, LLC | — | — | 0 |
| AS399921US | FIA-TECH-AS-01 - FIA Technology Services, LLC | — | — | 0 |
| AS399966US | ORACLE-PCA - Oracle Corporation | — | — | 0 |