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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. | 210.9M | 21,015 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,222 |
| 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 | 368 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 48M | 3,584 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,935 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,561 |
| 18.2K |
| 8.2K |
| 11 |
| AS22223US | MVTV-AS1 - MVTV Wireless | 18.2K | 65.5K | 17 |
| AS13990US | COUNTYOFORANGE - County of Orange | 18K | — | 32 |
| AS25393US | MIROHOST Internet Invest, Ltd. | 17.9K | 66.3K | 13 |
| AS7163US | NYLI-AS - New York Life Insurance Company | 17.9K | — | 25 |
| AS397453US | MEEKER-01 - Meeker Cooperative Light & Power Association | 17.9K | 65.5K | 11 |
| AS11115US | ONLINE-TECH-LLC - Otava, LLC | 17.9K | 4.1K | 13 |
| AS62809US | EXPOHL - VOLT BROADBAND | 17.9K | 131.1K | 25 |
| AS21735US | GANNET-3-21735 - Gannett Co. Inc. | 17.9K | — | 5 |
| AS33695US | SCALEMATRIX - ScaleMatrix | 17.9K | 4.1K | 32 |
| AS25769US | GVTEL - Garden Valley Telephone Company | 17.9K | 65.5K | 10 |
| AS14244US | AS-NSI-GLOBAL - NSI Hosting | 17.9K | 3 | 42 |
| AS13337US | EVWI-NET-01 - e-vergent.com LLC | 17.9K | — | 10 |
| AS400633US | PRTC-MCKEE - Peoples Rural Telephone Cooperative Corporation, Inc. | 17.9K | — | 19 |
| AS393950US | XIBER-LLC - Xiber | 17.9K | 4 | 30 |
| AS32524US | GRUPO-SMS - Grupo-SMS USA, LLC | 17.7K | 65.5K | 69 |
| AS21694US | FRESNOCOE - Fresno County Office of Education | 17.7K | 4.1K | 8 |
| AS14277US | GIGSTREEM - GiGstreem | 17.7K | 6.1K | 39 |
| AS8067US | WSCNET-AS - Westfield State University | 17.7K | — | 5 |
| AS207023US | centrixweb1 Centrix Web Services LLC | 17.7K | 524.3K | 38 |
| AS23467US | NEWRELIC-AS-1 - New Relic | 17.7K | 3 | 11 |
| AS16831US | FUJITSU - 1Finity Americas, Inc. | 17.7K | — | 32 |
| AS1215US | ORACLE-NA-AS - Oracle Corporation | 17.7K | 1 | 4 |
| AS13819US | FWIN-NET - INDIGITAL TELECOM | 17.7K | 65.5K | 9 |
| AS26269US | HAEFELETV - Haefele Connect | 17.7K | 4.1K | 30 |
| AS397369US | LVHN-INET-01 - LVHN | 17.7K | — | 7 |
| AS12175US | YELMNET - Rainier Connect | 17.7K | — | 18 |
| AS17210US | EVERYWHERE-WIRELESS-LLC - Everywhere Wireless, LLC | 17.7K | 67.6K | 45 |
| AS1399US | CHARLES-SCHWAB-2 - Charles Schwab & Co., Inc. | 17.7K | — | 4 |
| AS398719US | M-PULSEFIBER - M-Pulse Fiber, LLC | 17.7K | 65.5K | 29 |
| AS1218US | NCUBE-BELMONT-AS - Oracle Corporation | 17.7K | 27.2K | 42 |
| AS398090US | LAMBDA - Lambda | 17.7K | 131.1K | 35 |
| AS46792US | PMU-PARAGOULD - Paragould Municipal Utilities | 17.4K | 65.5K | 6 |
| AS399643US | COOKSONHILLS-CONNECT-21 - COOKSON HILLS CONNECT, LLC | 17.4K | — | 6 |
| AS395748US | NS - NetSpeed LLC | 17.4K | 16.4K | 64 |
| AS23260US | SCI-AS - Midcontinent Communications | 17.4K | 65.5K | 10 |
| AS22549US | TBDSL-01 - KUDUCOM | 17.4K | 3 | 7 |
| AS39948US | INIT-PHX - Wi-Fiber, Inc. | 17.4K | — | 65 |
| AS10594US | CEC - Cutting Edge Communications, Inc. | 17.4K | — | 6 |
| AS26407US | CAROLINA-DIGITAL-PHONE - Carolina Digital Phone, Inc. | 17.4K | — | 3 |
| AS5783US | KCSOS-NET - Kern County Superintendent of Schools | 17.4K | — | 5 |
| AS10732US | TIERRANET - TierraNet Inc. | 17.4K | — | 6 |
| AS55230US | PWRTC-AS - Pulaski White Rural Telephone Cooperative Inc. | 17.4K | 65.5K | 10 |
| AS40511US | FIRELINE - Fireline Network Solutions, Inc. | 17.4K | — | 34 |
| AS46446US | CALTELCOM - California Telecom | 17.4K | — | 20 |
| AS19695US | DYFEND NETWORK - Dyfend LLC | 17.4K | — | 56 |
| AS7926US | FICO - Fair Isaac and Company | 17.4K | — | 19 |