Loading…
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 | 24,512 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| 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.
32,235 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 | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,002 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,281 |
| 29.7K |
| 8.2K |
| 17 |
| AS11643US | EBAY - eBay, Inc | 29.7K | — | 15 |
| AS33152US | KCEC-ASN - Kit Carson Electric Cooperative, Inc | 29.7K | 65.5K | 5 |
| AS3379US | KAISER-NCAL - Kaiser Foundation Health Plan, Inc. | 29.7K | 65.5K | 38 |
| AS26666US | INTERSERVER-LAX - Interserver, Inc | 30K | 987.1K | 64 |
| AS17252US | AS2-COLOAM - Colocation America Corporation | 30K | 65.5K | 14 |
| AS22302US | INOC - INOC, LLC | 30K | 67.8K | 19 |
| AS13984US | SD-DATA-CENTER - SD Data Center | 30K | 205.3K | 35 |
| AS396479US | MAILGUN-US - Mailgun Technologies Inc. | 30.2K | — | 118 |
| AS399356US | KOSCIUSKO-CONNECT-01 - Kosciusko Connect LLC | 30.5K | — | 26 |
| AS15212US | C-SPIRE-WIRELESS - C Spire | 30.5K | — | 23 |
| AS202623US | CLOUDFLARENET-CORE Cloudflare Inc | 30.5K | 20 | 31 |
| AS6142US | SUN-JAVA - Oracle Corporation | 30.5K | 27.3K | 60 |
| AS23138US | FIRST-STEP - FIRST STEP INTERNET, LLC | 30.5K | 131.1K | 36 |
| AS14743US | INTERNAP-BLOCK-4 - Unitas Global | 30.7K | 65.5K | 17 |
| AS46632US | SOUTHWEST-ARKANSAS-TELEPHONE-COOPERATIVE - Southwest Arkansas Telephone Cooperative | 30.7K | — | 28 |
| AS25773US | RADWARE-CLOUD-SERVICES - RADWARE INC. | 30.7K | 18 | 138 |
| AS17071US | UBSW-STAMFORD - UBS AG | 30.7K | — | 85 |
| AS18616US | NATURALWIRELESS - Natural Wireless, LLC | 30.7K | 65.5K | 14 |
| AS11406US | CIGNA-1 - CIGNA | 30.7K | — | 23 |
| AS395035US | LIVEOAK-FIBER - LiveOak Fiber | 31K | 73.9K | 67 |
| AS11712US | BELLSOUTH - AT&T Services, Inc. | 31K | — | 6 |
| AS32601US | ACUNET-2 - Abilene Christian University | 31K | — | 9 |
| AS11155US | DELIGHTSPEED-01 - DE LightSpeed | 31K | — | 33 |
| AS33659US | CMCS - Comcast Cable Communications, LLC | 31.2K | 124 | 171 |
| AS16417US | IRONPORT-SYSTEMS-INC - Cisco Systems Ironport Division | 31.2K | 11 | 118 |
| AS7342US | VERISIGN-AS - VeriSign Infrastructure & Operations | 31.2K | 120 | 242 |
| AS17293US | VTXC - VTX Communications LLC | 31.2K | 131.1K | 38 |
| AS393775US | IPP-AS - IP Pathways, LLC | 31.2K | 8.2K | 51 |
| AS2044US | DF-PTL1 - Digital Fortress | 31.2K | 65.5K | 13 |
| AS10674US | GRUCOM - Gainesville Regional Utilities | 31.5K | 65.5K | 9 |
| AS11138US | BEK-COMMUNICATIONS-INTERNET-ROUTER - BEK Communications Cooperative | 31.5K | — | 57 |
| AS6282US | FONL-6282 - Fiber Optical Network LLC | 31.5K | — | 43 |
| AS25625US | IPAI - IP Access International | 31.5K | — | 70 |
| AS22221US | NGIC-COMM - National General Management Corp. | 31.5K | — | 34 |
| AS53271US | PHENIXCITYCABLE - Phenix Cable | 31.5K | — | 10 |
| AS27288US | DPCHICO-1 - Digital Path | 31.5K | 65.5K | 11 |
| AS394161US | TESLA - Tesla Motors, Inc. | 31.5K | 13 | 102 |
| AS30042US | ARIN-US-ASN-2 - Boerboel LLC | 31.5K | — | 123 |
| AS6428US | CDM - CDM | 31.5K | 65.5K | 95 |
| AS63473US | HOSTHATCH - HostHatch, LLC | 31.5K | 273 | 117 |
| AS53259US | JO-CARROLL-ENERGY - Jo-Carroll Energy, Inc. (NFP) | 31.7K | 65.5K | 26 |
| AS400268US | SWIFTCURRENT-CONNECT - Pierce Pepin Cooperative Services | 31.7K | 65.5K | 26 |
| AS26271US | CMSINTERNET - CMSInter.net LLC | 31.7K | 20.5K | 15 |
| AS22667US | VISTA - Vista Broadband Networks, Inc. | 32K | 65.5K | 18 |
| AS11766US | MERIPLEX-1-AS - Meriplex Communications, Ltd. | 32K | — | 23 |
| AS21777US | MASSIVE-NETWORKS-21777 - Massive Networks, Inc. | 32.3K | 67.1K | 70 |