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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,666 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,491 |
| — |
| — |
| 0 |
| AS63188US | ICOGUNNISON - Visionary Communications LLC | — | — | 0 |
| AS512US | DNIC-AS-00512 - United States Department of Defense (DoD) | — | — | 0 |
| AS62505US | AS-PHX - Noble Systems Corporation | — | — | 0 |
| AS62481US | TRUIST-ASN-62481 - Truist Financial Corporation | — | — | 0 |
| AS17062US | HPINC - HP Inc. | — | — | 0 |
| AS16759US | SWA-MKT-INET - Southwest Airlines Co. | — | — | 0 |
| AS396610US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS15152US | MODIVCARE-ASN1 - Modivcare Inc. | — | — | 0 |
| AS15072US | NETRIPLEX-CORPORATION - Netriplex Corporation | — | — | 0 |
| AS14883US | C3-TRACI - C3 | — | — | 0 |
| AS14949US | VSATSYSTEMS-01 - Satassurance, LLC | — | — | 0 |
| AS18963US | MIDLAND-ISD-TX-01 - MIDLAND ISD | — | — | 0 |
| AS18915US | MONKEY-US-01 - Surveymonkey Inc. | — | — | 0 |
| AS18714US | RSNAK-01 - Rock Solid Networks of Alaska LLC | — | — | 0 |
| AS19003US | IHSENERGY-CALGARY - IHS Global, Inc. | — | — | 0 |
| AS394007US | GE-PREDIX - General Electric Company | — | — | 0 |
| AS17041US | AS-LRCOMM-ORIG - L.R. Communications, Inc. | — | — | 0 |
| AS12270US | TWC-12270-NA - Charter Communications Inc | — | — | 0 |
| AS13384US | SECURENET-AS - Worldpay, LLC | — | — | 0 |
| AS11683US | ELNK-CHARTER-CONN - Windstream Communications LLC | — | — | 0 |
| AS11672US | DFJBINC - NET2ATLANTA.COM LLC | — | — | 0 |
| AS11143US | OECONNECTION - OEConnection, LLC | — | — | 0 |
| AS18514US | MDCH-CRP-ASN - M.D.C. Holdings, Inc. | — | — | 0 |
| AS14394US | KBCFP-NYC - KBC BANK N.V. | — | — | 0 |
| AS14392US | COF-EQX-EAST-O365 - Capital One Financial Corporation | — | — | 0 |
| AS393807US | AS-INTULSE-VA - Intulse, Ltd | — | — | 0 |
| AS395343US | AR-CORP01 - Amazon Robotics LLC | — | — | 0 |
| AS395593US | WOODRUFF-ARTS-CENTER - Woodruff Arts Center | — | — | 0 |
| AS395280US | CARTUS-US - Cartus Corporation | — | — | 0 |
| AS396888US | ZUORA-CORP-EMEA - Zuora, Inc | — | — | 0 |
| AS396814US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396745US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS395575US | OPTORO - Optoro, Inc. | — | — | 0 |
| AS393900US | IQT1 - In-Q-Tel, Inc. | — | — | 0 |
| AS393884US | VL-135 - Zenlayer Inc | — | — | 0 |
| AS393757US | BPS-2 - Bass Pro, LLC. | — | — | 0 |
| AS6585US | AIMTECH - Aimtech Corp | — | — | 0 |
| AS393433US | ACPNY - AdvantageCare Physicians, P.C. | — | — | 0 |
| AS393343US | RW-SHANHS - Ranch WiFi LLC | — | — | 0 |
| AS215280US | OCEAN-CA Sajjaad Farzad | — | — | 0 |
| AS395154US | IM-ODIN - Ingram Micro Inc. | — | — | 0 |
| AS394837US | RIZZ-FIBER - Rizz Fiber | — | — | 0 |
| AS394716US | HEBISD - HEBISD | — | — | 0 |
| AS394371US | CCM-NET2 - Collectivei | — | — | 0 |
| AS393955US | WIRELESS-PARTNERS-LLC - Wireless Partners LLC | — | — | 0 |
| AS394010US | PINGAN - Ping An | — | — | 0 |