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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 | 23,695 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,300 |
| 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.
32,143 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,820 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,994 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,278 |
| — |
| 1 |
| 1 |
| AS395887US | RYAMER-ENTERPRISE - Ryamer, LLC | — | 256 | 1 |
| AS396518US | BUILDJET - BUILDJET, INC. | — | 1 | 1 |
| AS399975US | NSWAT - NetSWAT LLC | — | 1M | 10 |
| AS402613US | MILAN-US-WEST-CALIFORNIA - Milaneum, | — | 4.1K | 1 |
| AS959US | OHANACAST - OHANACRAFT, LLC | — | 1 | 1 |
| AS200556US | CADY-AS Ethan Cady | — | 259 | 4 |
| AS950US | MILEHIGHWALRUS-ANYCAST - Milehighwalrus Network | — | 32 | 2 |
| AS216225US | qprisk Quest & Pearson LLC | — | 32 | 2 |
| AS22729US | PETERSON-FARMS-01 - Peterson Farms, Inc. | — | 15 | 14 |
| AS105US | MOT-MCD-AS - Gould Computer Systems Division | — | 128 | 2 |
| AS400905US | KMF-GLOBAL - Keystone MetroFiber LLC | — | 1 | 1 |
| AS402402US | CELL - Infoecell | — | 1M | 2 |
| AS33656US | CMCS - Comcast Cable Communications, LLC | — | 7 | 7 |
| AS205336US | DEEPSPACECOW-NET Ishmael Martin-Lacayo | — | 1 | 1 |
| AS11853US | ASN-INTERNAP-BLK - Unitas Global | — | — | 0 |
| AS197992US | DEFSOLUTION-LLC DEFSOLUTION LLC | — | 7.9M | 15 |
| AS30476US | T2-CT-SHN - Charles Schwab & Co., Inc. | — | — | 0 |
| AS26768US | SAKURA - SAKURA LTD. | — | 2 | 2 |
| AS30420US | YCM - YORK CAPITAL MANAGEMENT (US) ADVISORS, L.P. | — | — | 0 |
| AS400522US | ROOTCLOUD - rootcloud LLC | — | 8.9M | 33 |
| AS29983US | INTEGRATELECOM - Allstream Business US, LLC | — | — | 0 |
| AS33760US | UWUNET - Ashton Holmes, Sole Proprietorship | — | 5 | 5 |
| AS30106US | ANCOR - Ancor Information Management | — | — | 0 |
| AS197867US | WONG-AS FELIX WONG TRADING AS FANTASTIC HOMEWARE USA CO | — | 256 | 1 |
| AS29847US | SI-AS1 - Screws Industries, Inc. | — | — | 0 |
| AS213424US | McKeeNet Jordan McKee | — | 1 | 1 |
| AS207719US | coderrquitsreality Carlos Guisewite | — | 1 | 1 |
| AS200332US | FOLFY-ASN Nolan Trapp | — | 1 | 1 |
| AS33216US | ANALOG DEVICES - Analog Devices, Inc. | — | — | 0 |
| AS400177US | RC - rootcloud LLC | — | 4.3M | 19 |
| AS27494US | NATL-MACH10 - Performive LLC | — | — | 0 |
| AS401113US | SCH-TEST-AS - RackGenius | — | 2 | 2 |
| AS33336US | TIMEINC-TAMPA-ASN - Meredith Corp. | — | — | 0 |
| AS402663US | PHOENIXNET-LABS - PhoenixNet-Labs | — | 4 | 4 |
| AS215207US | AETHERNET Henrik Van Tassell | — | 6 | 6 |
| AS27644US | THREATSTOP - ThreatSTOP | — | 18 | 3 |
| AS262US | VERIO - NTT America, Inc. | — | 1 | 1 |
| AS401311US | ALIEN - ALIEN, LLC | — | 8 | 8 |
| AS197259US | KAOFISH-AS KAOFISH NETWORK LLC | — | 16 | 1 |
| AS205232US | EvilNET Felix Alcantara | — | 768 | 3 |
| AS33654US | CMCS - Comcast Cable Communications, LLC | — | 16 | 16 |
| AS11161US | DIGITALVIRT - DigitalVirt | — | 1 | 1 |
| AS395460US | PROLIXIUM-AS - Prolixium Enterprises, LLC | — | 22 | 7 |
| AS151817US | ZAPPIEHOST-AS-AP - Zappie Host LLC | — | 65.5K | 2 |
| AS215313US | LINEAR-NETWORK Emily Ingalls | — | 17 | 2 |
| AS400883US | CHECK-POINT-INC-01 - Check Point Software Technologies Inc. | — | 1 | 1 |