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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) | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 25,247 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,189 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 | 3,901 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,010 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.5M | 4,222 |
| 3.3K |
| 1 |
| 14 |
| AS395712US | MPUA-MILINK - Milan Public Utilities Authority | 3.3K | 65.5K | 10 |
| AS8254US | ROUTE95 GREEN FLOID LLC | 3.3K | 196.6K | 16 |
| AS6989US | GTSI - Government Technology Services Inc. | 3.3K | — | 13 |
| AS399937US | UCMCLOUD - Cisco Webex LLC | 3.3K | — | 13 |
| AS20029US | HCDL-DENVER-DATA-CENTER - H5 Data Centers | 3.3K | 4.1K | 14 |
| AS395194US | SBL-NE-ASN - Stealth Broadband | 3.3K | 65.5K | 8 |
| AS137933US | HOMERHOST-AS-AP - CyberForest LLC. | 3.3K | 1 | 12 |
| AS31843US | ARXWEB - Arx Technologies | 3.3K | 4.1K | 5 |
| AS393226US | INTERCONTINENTAL-EXCHANGE-MULTI-ISP-SITES - Intercontinental Exchange, Inc. | 3.3K | — | 13 |
| AS6405US | AIN - American Information Network | 3.3K | 1K | 9 |
| AS22295US | ADVIN - Advin Services LLC | 3.3K | 4.1K | 21 |
| AS398940US | USA-NETWORKING - University of South Alabama | 3.3K | 65.5K | 13 |
| AS399440US | AS-HEARTLANDFIBER - Heartland Fiber, Inc. | 3.3K | — | 4 |
| AS396921US | US-CBP - U.S. Customs and Border Protection | 3.3K | 17 | 15 |
| AS25808US | CONCORD-MA - Town of Concord MA | 3.3K | — | 13 |
| AS395215US | SAN-JOAQUIN-COUNTY - San Joaquin County | 3.3K | — | 5 |
| AS396924US | SKYLANDS-NETWORKS - Skylands Networks | 3.3K | 65.5K | 8 |
| AS8757US | NSFOCUS NSFOCUS, Inc. | 3.3K | 6 | 19 |
| AS401890US | HYPFLX-AS01 - Hyperflex Broadband LLC | 3.3K | 65.5K | 4 |
| AS33052US | VZUNET - Verizon Business | 3.3K | 1 | 5 |
| AS26121US | JEPPESEN - Jeppesen ForeFlight Inc. | 3.3K | — | 10 |
| AS12253US | LEONCOUNTYFL - Leon County Board of County Commisioners | 3.3K | 256 | 12 |
| AS14239US | RICH-PRODUCTS - Rich Products Corporation | 3.3K | — | 5 |
| AS46379US | SIENA-COLLEGE - Siena University | 3.3K | — | 3 |
| AS54638US | NSO - NETSOURCE ONE, INC | 3.3K | 4.1K | 10 |
| AS31880US | AS31880 - Nestle USA | 3.3K | — | 11 |
| AS55192US | TEKNET-WISP - teknet | 3.3K | — | 13 |
| AS17199US | SWAGELOK - Swagelok Company | 3.3K | — | 9 |
| AS21891US | BUGGS-NET - Buggs Island Telephone Cooperative | 3.3K | — | 3 |
| AS397449US | HAYWIRE-ASN-01 - Haywire | 3.3K | 82K | 10 |
| AS33395US | RMM-SOLUTIONS-AS - RMM Solutions Inc | 3.3K | — | 12 |
| AS21787US | CERIDIAN - CERIDIAN | 3.3K | — | 7 |
| AS29766US | CHSPSC-29766 - CHSPSC, LLC | 3.3K | — | 10 |
| AS11167US | GOGO - Gogo Business Aviation LLC | 3.3K | — | 5 |
| AS398699US | WCCE - Cisco Systems Inc | 3.3K | — | 13 |
| AS23302US | STC - South Texas College | 3.3K | — | 3 |
| AS25648US | PARALLAXSYSTEMS - Parallax Systems | 3.3K | — | 3 |
| AS1261US | NATINST-AS-AS - National Instruments Corporation | 3.3K | — | 10 |
| AS396350US | BOOMCOMMUNICATIONS-US - Boom Communications | 3.3K | 4.1K | 9 |
| AS394576US | MIAMI-INTERNATIONAL-AIRPORT - Miami International Airport | 3.3K | — | 6 |
| AS32002US | RACKGENIUS - RackGenius | 3.3K | 4 | 11 |
| AS22040US | LINXUS1 - Linxus Internet | 3.3K | — | 10 |
| AS399378US | SMTC-01 - Stratford Mutual Telephone Company | 3.3K | — | 8 |
| AS397666US | HOSTROUND-LLC - HostRound LLC | 3.3K | 4.1K | 29 |
| AS3423US | ATTIS-ASN3423 - AT&T Enterprises, LLC | 3.3K | 65.5K | 13 |
| AS394492US | USEI - US Electrodynamics, Inc. | 3.3K | — | 13 |