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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) | 227.5M | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.2M | 25,263 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,336 |
| 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.
32,247 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,900 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,004 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,350 |
| — |
| — |
| 0 |
| AS27431US | CHARTER-27431-NA - Charter Communications LLC | — | — | 0 |
| AS27458US | FLN-111-IN - Fast Lane Internet | — | — | 0 |
| AS27531US | PETV - Boss TV | — | — | 0 |
| AS27551US | ENCO-BLOCK-01 - Enco Electronic Systems, LLC | — | — | 0 |
| AS29751US | ST-CLAIR-CO-MICHIGAN - SAINT CLAIR COUNTY | — | — | 0 |
| AS29796US | MARKETTOOLS-INC - MarketTools Inc. | — | — | 0 |
| AS29870US | WAVE-CNI-1 - Wave Broadband | — | — | 0 |
| AS29998US | AZCOLO - ZoyAR Inc | — | — | 0 |
| AS30025US | NINJA-ROOT-SERVER-PEERING - Richmond-IX Corporation | — | — | 0 |
| AS30112US | ALTA-1828 - AMERICAN LAND TITLE ASSOCIATION | — | — | 0 |
| AS30157US | EQUINIX-CX-AT - Equinix, Inc. | — | — | 0 |
| AS30203US | EMDSERONO-NA-BOS1 - EMD Serono, Inc. | — | — | 0 |
| AS30430US | KPFNY - Kohn Pedersen Fox | — | — | 0 |
| AS30465US | STATE-WIDE - STATE-WIDE MULTIPLE LISTING SERVICE,INC. | — | — | 0 |
| AS30496US | AS-TIERP-30496 - TierPoint, LLC | — | — | 0 |
| AS30502US | PROHCI-MIA - Hosting Consulting, Inc | — | — | 0 |
| AS30509US | PRO-1 - PROTECTION ONE | — | — | 0 |
| AS30589US | RSQ-ASN-2003 - RingSquared | — | — | 0 |
| AS30596US | NELNET-ASN-1 - Nelnet, Inc | — | — | 0 |
| AS31852US | ET-ASN1 - Elite Telecom, Inc | — | — | 0 |
| AS31907US | VONAGE-04 - Vonage Holdings, Inc. | — | — | 0 |
| AS31943US | XNET - X Network LLC | — | — | 0 |
| AS31945US | MERTANDHOUSE LLC - MERTANDHOUSE LLC | — | — | 0 |
| AS31987US | PERSISTENT-TELECOM - Persistent Telecom INC | — | — | 0 |
| AS32028US | AS32028 - Wave Broadband | — | — | 0 |
| AS32039US | MGIC-MYERS-AS32039 - Myers Internet, Inc. | — | — | 0 |
| AS32080US | 3PLAI - 3plai LLC | — | — | 0 |
| AS32188US | JPFINANCIAL - JEFFERSON-PILOT LIFE INSURANCE COMPANY | — | — | 0 |
| AS32292US | 3RED - 3Red Partners LLC | — | — | 0 |
| AS32314US | JAGWIRELESS - Jag Wire Enterprises, Inc. | — | — | 0 |
| AS32346US | SAKURA-SEA - SAKURA LTD. | — | — | 0 |
| AS32356US | COMMUNITY-TEL-INC - Ronan Telephone Company | — | — | 0 |
| AS32387US | CHARTER-32387-NA - Charter Communications LLC | — | — | 0 |
| AS32404US | ACDIV01AS - ACDI/VOCA | — | — | 0 |
| AS32414US | FMC-MIA - FMC Globalsat, Inc. | — | — | 0 |
| AS32485US | BLACKEDGE-US-01 - Black Edge Capital, LLC | — | — | 0 |
| AS32495US | DNBWALTHAM - IMarket Inc. | — | — | 0 |
| AS32632US | VAULT-NETWORKS - VOLICO | — | — | 0 |
| AS32669US | 32669 - WACOM TECHNOLOGY CORPORATION | — | — | 0 |
| AS32700US | HOMENET - Homenet Inc | — | — | 0 |
| AS32740US | SLIQUA - Sliqua Enterprise Hosting, Inc. | — | — | 0 |
| AS32796US | VETERANS-TRANSPORTATION - Veterans Transportation Services Inc. | — | — | 0 |
| AS32888US | SECURE-24-DCB - NTT Managed Services Americas, LLC | — | — | 0 |
| AS32921US | ZSCALER-NEWYORK - ZSCALER, INC. | — | — | 0 |
| AS32961US | VONAGE-06 - Vonage Holdings, Inc. | — | — | 0 |
| AS33072US | ISC-F-AS - Internet Systems Consortium, Inc. | — | — | 0 |