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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,163 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,245 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 398 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,708 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,952 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,420 |
| ABTEX-01 - ABTEX LLC |
| — |
| — |
| 0 |
| AS398811US | EQUINIX-EC-BO - Equinix, Inc. | — | — | 0 |
| AS399236US | HYPER - Hypercom | — | — | 0 |
| AS399245US | GRAND-TRAVERSE-COUNTY - Grand Traverse County | — | — | 0 |
| AS399316US | SUNRISEFL-ASN-101 - City of Sunrise | — | — | 0 |
| AS399418US | BLUESKYNETWORK1 - Blue Sky Network, LLC | — | — | 0 |
| AS399474US | NIGHTSCPAE-TECH - Nightscape Tech, LLC | — | — | 0 |
| AS399528US | PECHANGA-RESORT-CASINO - Pechanga Resort & Casino | — | — | 0 |
| AS399534US | CREATIVEWIRELESS-01 - Creative Wireless Technology Solutions, Inc. | — | — | 0 |
| AS399583US | OPM-AZURE - Office of Personnel Management | — | — | 0 |
| AS399657US | PASADENA-CITY-COLLEGE - Pasadena City College | — | — | 0 |
| AS399711US | SPLISHCO - Splish Co., LLC | — | — | 0 |
| AS399737US | ETHERWARE - Etherware Solutions LLC | — | — | 0 |
| AS399822US | FARWEST-STEEL-CORP - Farwest Steel Corporation | — | — | 0 |
| AS399934US | ICFN - Innercity Fibernet | — | — | 0 |
| AS400122US | LIBERTY-LINK-WINDSOR - Liberty Link LLC | — | — | 0 |
| AS400144US | GREENSKY-01 - GreenSky, LLC | — | — | 0 |
| AS400296US | DART-NET - Snaju Development | — | — | 0 |
| AS400309US | VAULT-HOST-SGP - Vault Host | — | — | 0 |
| AS400356US | TRITECH-WIRELESS-01 - Tritech Fiber | — | — | 0 |
| AS400714US | ABH-AS - AB Handshake Corporation | — | — | 0 |
| AS400763US | AMS-AUX-AUSTIN - HEWLETT PACKARD ENTERPRISE COMPANY | — | — | 0 |
| AS400857US | POLKSTATECOLLEGE - Polk State College | — | — | 0 |
| AS400888US | AWS-DIRECT-ASN - Spy Fu, Inc. | — | — | 0 |
| AS400889US | SPARC-GROUP-01 - SPARC Group LLC | — | — | 0 |
| AS400969US | PEG-TW-01 - PEG TECH INC | — | — | 0 |
| AS400997US | AS-WIALON-US - Gurtam Inc. | — | — | 0 |
| AS401018US | AXLETREE-NET-01 - Axletree Solutions Inc. | — | — | 0 |
| AS401090US | SARAPLUS-AZURE-01 - SARA Plus, LLC | — | — | 0 |
| AS401101US | THEKNIFECOMPANY-NICKNAME-FOR-ASN - A.G. Russell Knives, Inc. | — | — | 0 |
| AS401117US | EHL - EQM Holdings LLC | — | — | 0 |
| AS401129US | GCGL-15-BLOCK-2024 - Grant Consulting Group LLC | — | — | 0 |
| AS401154US | ASTRALSEC - Astral Security, Inc. | — | — | 0 |
| AS401278US | ZGOVPS - ZgoShop, Inc. | — | — | 0 |
| AS401286US | POWEREDGE-PROVIDER - PowerEdge Network, LLC | — | — | 0 |
| AS401300US | PUBLIC-ASN-REQUEST - Summit Securities Group LLC | — | — | 0 |
| AS401524US | WORLDPAY-US-01 - Worldpay, LLC | — | — | 0 |
| AS401532US | EDGEHOG - Edgehog LLC | — | — | 0 |
| AS401603US | AS-THREELANTERNS - Three Lanterns LLC | — | — | 0 |
| AS401627US | POW-VA-GOV - County of Powhatan | — | — | 0 |
| AS401688US | LATENCYLOGIC - Latency Logic LLC | — | — | 0 |
| AS401697US | DATACERA-INC - DataCera Inc. | — | — | 0 |
| AS401808US | CHELAM - Chelam, Inc. | — | — | 0 |
| AS401850US | LUANFLARE - Luanflare, Inc | — | — | 0 |
| AS401855US | FTOP - Maximize Marketing Agency, Inc. | — | — | 0 |
| AS401857US | BRIGHT-MIND-NETWORK - BrightMind Solutions LLC | — | — | 0 |
| AS401862US | CWTEL - Chazy and Westport Communications | — | — | 0 |