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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 | 23,661 |
| 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 |
| 236 |
| 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 | 4,490 |
| SECANTNET - Aunalytics, Inc |
| — |
| — |
| 0 |
| AS27315US | EQUINIX-CX-HO - Equinix, Inc. | — | — | 0 |
| AS27350US | EDPROPASN - EDISON PROPERTIES, LLC | — | — | 0 |
| AS27397US | CABLERACER - Beaver Valley Cable Co. Inc. | — | — | 0 |
| AS27443US | LIFEGRID-INTERNET - LifeGrid Internet | — | — | 0 |
| AS27449US | IPN-TELECOM - IPN Telecom, LLC | — | — | 0 |
| AS27460US | LANXESS-USA - LANXESS Corporation | — | — | 0 |
| AS27497US | CENTURYLINK-RESERVED-IPADMIN - CenturyLink Communications, LLC | — | — | 0 |
| AS27534US | AS27534 - Mutual of Omaha Insurance Company | — | — | 0 |
| AS29728US | COTTAGE-HEALTH - Cottage Health | — | — | 0 |
| AS29801US | BRUNDAGE-MANAGEMENT-COMPANY - Brundage Management Company, Inc. | — | — | 0 |
| AS29836US | TRIBUNE-PUBLISHING-COMPANY - Tribune Publishing Company, LLC | — | — | 0 |
| AS29860US | MYFLORIDAHOUSE - Florida House of Representatives | — | — | 0 |
| AS29976US | NETSUITE-CORP - Oracle Corporation | — | — | 0 |
| AS30064US | FRONTIER-FRTR - Frontier Communications of America, Inc. | — | — | 0 |
| AS30086US | ISTREETCOLO - iStreet Solutions | — | — | 0 |
| AS30090US | COMMUNITY-OK-74070 - Community Cable & Broadband, Inc. | — | — | 0 |
| AS30163US | GE-INDUSTRIAL-SYSTEMS - General Electric Company | — | — | 0 |
| AS30214US | AS-IRONP-CASP - Cisco Systems Ironport Division | — | — | 0 |
| AS30223US | SACLANT - Supreme Allied Commander Transformation (SACT) | — | — | 0 |
| AS30225US | NEXTCO-AS - Nextera Communications LLC | — | — | 0 |
| AS30226US | NTIRETY-10 - Ntirety, Inc. | — | — | 0 |
| AS30300US | BMLPROD - Bill Me Later | — | — | 0 |
| AS30345US | CTRYWIDE-1340 - CountrWide Insurance Company | — | — | 0 |
| AS30464US | LPS-2 - Black Knight IP Holding Company, LLC | — | — | 0 |
| AS30468US | VONAGE-03 - Vonage Holdings, Inc. | — | — | 0 |
| AS30571US | JACKHENRY-1 - Jack Henry & Associates, Inc. | — | — | 0 |
| AS30610US | SERVICELINK - SERVICE LINK, INC. | — | — | 0 |
| AS30623US | TNGAS - THE NAILCO GROUP, INC. | — | — | 0 |
| AS30636US | INTERNAP-BLK6 - Unitas Global | — | — | 0 |
| AS31547US | MCK-EUROPE-AS McKinsey & Company Inc United Kingdom | — | — | 0 |
| AS31761US | TALISEN-TECH - Talisen Technologies Inc. | — | — | 0 |
| AS32004US | BIG-ASN - Business Information Group, Inc. | — | — | 0 |
| AS32037US | AS-ADDISON - Arbonne International, Inc. | — | — | 0 |
| AS32179US | AS-VITALIX - Dynascale Technologies, Inc. | — | — | 0 |
| AS32190US | ADS-17-32190 - CDK Global, LLC | — | — | 0 |
| AS32353US | CONCEPTCAPAS - Cowen Group, Inc | — | — | 0 |
| AS32388US | ACC-1169-ASN-BASE - AVADirect Custom Computers | — | — | 0 |
| AS32476US | MSFT-32476 - Microsoft Corporation | — | — | 0 |
| AS32548US | KWIKOM-PIXIUS - KwiKom Communications | — | — | 0 |
| AS32588US | VCSL-US - Virtusa Consulting Services Private Limited | — | — | 0 |
| AS32593US | SDL-158-32593 - SYnthetic Development LLC | — | — | 0 |
| AS32616US | TCA-BGP - Take Charge America, Inc. | — | — | 0 |
| AS32637US | GM-ED-MULTILINE - General Mills, Inc. | — | — | 0 |
| AS32651US | VGRS-AC24 - VeriSign Global Registry Services | — | — | 0 |
| AS32660US | SANOFI - Sanofi | — | — | 0 |
| AS32772US | TAFS-TRANSIT-ASN - TRANS AMERICAS FIBER | — | — | 0 |