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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) | 227.5M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218M | 23,924 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,140 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 230 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,881 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,992 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,310 |
| 4.9K |
| 4 |
| 8 |
| AS1339US | ANSBB-ASNNET-1 - Verizon Business | 4.9K | 2 | 14 |
| AS23294US | ULM-1 - The University of Louisiana at Monroe | 4.9K | 1 | 8 |
| AS397563US | ADEOXTECH - ADEOX | 4.9K | — | 16 |
| AS15008US | AISG - AISG | 4.9K | — | 9 |
| AS4179US | CITY-OF-LA - City of Los Angeles | 4.9K | — | 19 |
| AS17073US | ALLEGISGROUP7312 - Allegis Group | 4.9K | — | 19 |
| AS33177US | AS33177 - Kaleida Health | 4.9K | — | 7 |
| AS22062US | GEOSTAR - GeoStar, LLC. | 4.9K | — | 10 |
| AS19337US | MOBIUSPARTNERS - Mobius Partners Internet | 4.9K | — | 19 |
| AS1097US | CORE-TRANSIT - Core Transit LLC | 4.9K | 16.4K | 23 |
| AS26867US | BGC-NETWORK - Brookshire Grocery Company | 4.9K | — | 4 |
| AS32845US | TEL-STAR - Tel-Star Communications, Inc | 4.9K | — | 17 |
| AS398022US | OTP-398022 - Otter Tail Power Company | 4.6K | — | 3 |
| AS16525US | KBR - KBR | 4.6K | — | 9 |
| AS397087US | MUW-ASN-01 - Mississippi University for Women | 4.6K | — | 3 |
| AS53958US | BART-BM - AUPROXIES LLC | 4.6K | — | 3 |
| AS46193US | SKYWERX - Visionary Communications LLC | 4.6K | — | 15 |
| AS22604US | DSS-MT - Disney Streaming Services | 4.6K | 17 | 35 |
| AS16816US | S-NETCOM - S-Net, Inc. | 4.6K | 2 | 20 |
| AS36487US | NEB-SANDHILLS-NET - Consolidated Telephone Company | 4.6K | — | 18 |
| AS38047US | TAIWAN-TELECOM - Taiwan Telecom | 4.6K | 65.8K | 30 |
| AS397325US | DATACANOPY - Data Canopy Colocation, LLC | 4.6K | — | 18 |
| AS22027US | CBTS-USONX-01 - CBTS Technology Solutions LLC | 4.6K | — | 8 |
| AS13821US | ACML - AllianceBernstein L.P. | 4.6K | — | 17 |
| AS4868US | PIONEER - Pioneer Hi-Bred International, Inc. | 4.6K | — | 13 |
| AS1733US | DISACENT-NIPR-ASN - United States Department of Defense (DoD) | 4.6K | 3 | 13 |
| AS19353US | TUASN7 - Trans Union, LLC | 4.6K | — | 9 |
| AS401443US | WAP-AC - WAP.AC LLC | 4.6K | — | 16 |
| AS3725US | ASN-SONY - Sony Pictures Technologies Inc. | 4.6K | 3 | 6 |
| AS54363US | BHI - Baker Hughes Holdings LLC | 4.6K | — | 17 |
| AS395000US | DELUXE-DEC - Deluxe Corporation | 4.6K | — | 18 |
| AS397182US | SERVICENOW-WAVE - SERVICENOW, INC. | 4.6K | 3 | 9 |
| AS13443US | LINKEDIN - LinkedIn Corporation | 4.6K | 504 | 77 |
| AS29938US | ENDICOTT-DIRECT-NETWORK - Endicott College | 4.6K | — | 3 |
| AS31783US | SKRC-SOUTH01 - SKYRIDER COMMUNICATIONS LLC | 4.6K | — | 13 |
| AS31950US | AS-DANS - Data Network Solutions | 4.6K | 65.5K | 5 |
| AS53782US | PCOASTP - Pacific Coast Producers | 4.6K | — | 3 |
| AS22473US | SALT-LAKE-CITY - Salt Lake City Corporation | 4.6K | — | 18 |
| AS36002US | GOMAMI - GoMami Networks | 4.6K | — | 16 |
| AS395944US | KENNETT-BOARD-OF-PUBLIC-WORKS - CLGW | 4.6K | — | 4 |
| AS395357US | RIVIERA-CELLULAR-AND-TELECOMMUNICATIONS-INC - Riviera Telephone Company, Inc. | 4.6K | — | 11 |
| AS397754US | TELLERWIFI - TellerWifi | 4.6K | — | 12 |
| AS35862US | JCWIFI - JCWIFI.COM | 4.6K | 65.5K | 6 |
| AS14390US | CORENET - Coretel America, Inc. | 4.6K | — | 9 |
| AS3380US | PPPL-AS1 - Princeton Plasma Physics Laboratory | 4.6K | — | 3 |
| AS22855US | CARDINALHEALTH-AS01 - Cardinal Health, Inc. | 4.6K | 1 | 18 |