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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218M | 24,358 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,303 |
| 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.
32,168 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,342 |
| — |
| — |
| 0 |
| AS397042US | SNIPINTERNET - Snip Internet LLC | — | — | 0 |
| AS397178US | WOVEN PLANET L5 - Woven By Toyota, U.S., Inc. | — | — | 0 |
| AS397180US | HRCAC-IGAMING-1 - Hard Rock Hotel and Casino Atlantic City | — | — | 0 |
| AS397198US | VRSN-AC28 - VeriSign Global Registry Services | — | — | 0 |
| AS397222US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS397233US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS397239US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS397318US | CALIX-UT-SLC - Calix, Inc. | — | — | 0 |
| AS397319US | AHL-DFW1-02 - AVENU HOLDINGS, LLC | — | — | 0 |
| AS397404US | VMW-IAD03-COLO - Avago Technologies U.S. Inc. | — | — | 0 |
| AS397409US | MOBI - mobi | — | — | 0 |
| AS397464US | SAP-HYBRIS-WA1 - SAP America Inc. | — | — | 0 |
| AS397471US | DBS-VB-ASN-01 - Data Business Systems Inc. | — | — | 0 |
| AS397478US | DCA-SERVICES - DCA Services, Inc. | — | — | 0 |
| AS397482US | ZESTFINANCE - ZestFinance Inc. | — | — | 0 |
| AS397518US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | — | — | 0 |
| AS397520US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | — | — | 0 |
| AS397559US | RIH-2 - Rhode Island Housing | — | — | 0 |
| AS397577US | MGS-EXIT-HUB - MIC GLOBAL SERVICES, LLC | — | — | 0 |
| AS397610US | MISK - Misk.com, Inc. | — | — | 0 |
| AS397621US | BWINPARTY-US-MS - BWIN.PARTY ENTERTAINMENT (NJ), LLC | — | — | 0 |
| AS397706US | BETM - BETM | — | — | 0 |
| AS397755US | SIGNAL-MESSENGER - Signal Messenger, LLC | — | — | 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 |
| AS398211US | IONQI-1 - IonQ, Inc. | — | — | 0 |
| AS398220US | QSHL-ASN - Quick Server Hosting LLC | — | — | 0 |
| AS398271US | HVPN - HardenedVPN.com LLC | — | — | 0 |
| AS398377US | SHRUG-NET - Shrug.host | — | — | 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 |