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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 | 25,525 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,309 |
| 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.
32,245 autonomous systems registered to United States. Click an AS for detail.
| 73M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,898 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,000 |
| AS701US | UUNET - Verizon Business | 43.6M | 991 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,357 |
| 1K |
| — |
| 1 |
| AS32488US | COMPASSMSP - CompassMSP, LLC. | 1K | — | 4 |
| AS16708US | TELCOM-SYSTEMS - Telcom Systems LLC | 1K | — | 1 |
| AS20129US | MAS-NJDC - Mizuho Americas Services LLC | 1K | — | 4 |
| AS54707US | IL-235-54707 - Intellipop, LLC | 1K | — | 4 |
| AS14627US | NOIP-VITAL - Vitalwerks Internet Solutions, LLC | 1K | 16 | 4 |
| AS7407US | MCI-SGUM - Verizon Business | 1K | — | 1 |
| AS26795US | AS-AEN - Arizona Education Network Services Corporation | 1K | 4.1K | 2 |
| AS36263US | AWS-EVENTS - Amazon.com, Inc. | 1K | 576 | 10 |
| AS394737US | ANTS-TECHNOLOGY - ANTS-Technology | 1K | — | 4 |
| AS63109US | FCEMC-NETWORKS - Four County Electric Membership Corporation | 1K | — | 1 |
| AS27441US | SSN-US - ITRON INC. | 1K | — | 2 |
| AS63398US | TWINRIVERS-USD - Twin Rivers Unified School District | 1K | — | 3 |
| AS22716US | LOGIC-32-22716 - Logicalis | 1K | — | 1 |
| AS63136US | SIPRADIUS - SipRadius | 1K | — | 4 |
| AS26399US | BROADMOOR - Broadmoor Hotel Inc | 1K | — | 4 |
| AS400927US | BARGER-CREEK - Barger Creek Wireless | 1K | — | 1 |
| AS396470US | LCC-EDU - Lansing Community College | 1K | — | 3 |
| AS400430US | MOUNDSVIEW-ASN - Multi-Tech Systems, Inc | 1K | — | 3 |
| AS402535US | MOORGADE - Moorgade | 1K | — | 4 |
| AS11787US | PACOURTS-AS - Supreme Court of Pennsylvania | 1K | — | 4 |
| AS400156US | FIBERFLY - fiberfly | 1K | — | 4 |
| AS207088US | ADOARD ADOARD GLOBAL REACH LLC | 1K | — | 1 |
| AS63374US | INCREDIBLETECH - Incredible Technologies Inc | 1K | — | 4 |
| AS36022US | CHK-OKC - Expand Operating LLC | 1K | — | 1 |
| AS7011US | FRONTIER-AND-CITIZENS - Frontier Communications of America, Inc. | 1K | — | 4 |
| AS6517US | LAKENETWORKS-AS - LAKENETWORKS | 1K | 76.4K | 21 |
| AS33539US | ISP-MANAGEMENT - ISP Management, Inc. | 1K | — | 4 |
| AS395720US | KUM-AND-GO - Kum & Go, L.C. | 1K | — | 3 |
| AS39937US | LTECH - LTech Solutions, Ltd. | 1K | 65.5K | 5 |
| AS22496US | LIMEBROKERAGE-US - Score Priority Corp | 1K | — | 1 |
| AS396943US | SV - City of Sunnyvale | 1K | — | 4 |
| AS15190US | CTS-LANGUAGELINK - CTS LanguageLink | 1K | — | 3 |
| AS17146US | MGBAS01 - MGB Systems, Inc. | 1K | — | 4 |
| AS55103US | THIN-NOLOGY - Thin-nology, LLC | 1K | 4.1K | 5 |
| AS21683US | DALKO-NETWORKS - Dalko, LLC | 1K | — | 1 |
| AS399388US | DCTEXAS - DCTexas Internet | 1K | — | 1 |
| AS22871US | HHSF-IN - Heartland Rural Electric Membership Corporation | 1K | — | 4 |
| AS55121US | IQVOICE - InterQoS Online, Inc. | 1K | — | 1 |
| AS22761US | PSYCHO-SOLUTIONS-LLC - Psycho Solutions LLC | 1K | — | 4 |
| AS14136US | PCCC - PC Connection, Inc. | 1K | — | 4 |
| AS40047US | IU1-KITS - Intermediate Unit 1 | 1K | — | 1 |
| AS896US | FORTLAB - Fortlab | 1K | — | 4 |
| AS399998US | TRUCKEE-MEADOWS-INTERNET - CENOS NETWORKS, LLC | 1K | — | 4 |
| AS53293US | BGP-SAS-01 - Samsung Austin Semiconductor LLC | 1K | — | 4 |
| AS20284US | INETUASN1 - Flexential iNETu Corp. | 1K | — | 3 |
| AS22448US | MICRO-SPEC - Microcomputer Specialists, Inc. | 1K | — | 1 |