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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 | 24,645 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,307 |
| 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.
32,220 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,890 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,006 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,364 |
| — |
| — |
| 0 |
| AS7220US | DIAMONDMM - Diamond Multimedia Systems, Inc | — | — | 0 |
| AS7240US | URAEUS - Uraeus Consulting | — | — | 0 |
| AS7269US | ONESOURCE - OneSource Information Services,Inc | — | — | 0 |
| AS7272US | TCIMET - TCI Telephony Services | — | — | 0 |
| AS7318US | FOCALINK-AS - Focalink | — | — | 0 |
| AS7320US | LANCITY - LANcity Company | — | — | 0 |
| AS7333US | ATH - AMERICAN TECHNOLOGY HOLDINGS, INC. | — | — | 0 |
| AS7335US | LOOP - Loop Phone Organization | — | — | 0 |
| AS7412US | ENS-NET - EZ Network Systems, Inc. | — | — | 0 |
| AS7435US | ATM-CIN - Attachmate Corp. | — | — | 0 |
| AS7739US | AUTOWEB - AutoWeb Interactive | — | — | 0 |
| AS7756US | TWC-7756-NA - Charter Communications Inc | — | — | 0 |
| AS7789US | FISHBONE - Fishbone Communications, Inc | — | — | 0 |
| AS7807US | RURALNET - RuralNet | — | — | 0 |
| AS7852US | PGTEL - California Internet Services | — | — | 0 |
| AS7931US | ACVI - Auburn Cable Vision Inc. | — | — | 0 |
| AS7966US | HARBOR - Harbor Communications | — | — | 0 |
| AS8062US | BELLSOUTH-NET-BLK3 - AT&T Enterprises, LLC | — | — | 0 |
| AS8105US | DAKOTACOM - DakotaPro.biz | — | — | 0 |
| AS8129US | CAIWIRELESS - CAI Wireless Systems, Inc. | — | — | 0 |
| AS8136US | IFSI - Internet Financial Systems Inc. | — | — | 0 |
| AS8390US | TPN-AS GTT Communications Inc. | — | — | 0 |
| AS8861US | TEMP-RELUVA GTT Communications Inc. | — | — | 0 |
| AS9460US | KYNDRYLINC-AS-AP - Kyndryl INC | — | — | 0 |
| AS10241US | OCI - Options & Choices, Inc. | — | — | 0 |
| AS10256US | GS-ASN - Akula Communications Corp. | — | — | 0 |
| AS10291US | LABSHUB-NETWORKING - Amazon.com, Inc. | — | — | 0 |
| AS10347US | RANDMCNALLY - Rand McNally | — | — | 0 |
| AS10363US | LEESTL-ASN-10363 - Lee Enterprises, Incorporated | — | — | 0 |
| AS10374US | WELLSFARGO-10372-10376 - Wells Fargo Bank, N.A. | — | — | 0 |
| AS10427US | RAMS-FIE-AS - Federal Information Exchange | — | — | 0 |
| AS10453US | CNIWEB - CREATIVE NETWORK INNOVATIONS, INC. | — | — | 0 |
| AS10478US | PTINETCORP - PTI Communications | — | — | 0 |
| AS10483US | AKPERMFUND - Alaska Permanent Fund | — | — | 0 |
| AS10488US | TFM-ASN - TFM Associates LLC | — | — | 0 |
| AS10507US | SPCS - Sprint Personal Communications Systems | — | — | 0 |
| AS10549US | EMINET - The EmiNet Domain | — | — | 0 |
| AS10559US | WEBSTREETSECURITIES - Web Street Securities, Inc. | — | — | 0 |
| AS10636US | CG-FS-AS1 - Cap Gemini America, Inc. | — | — | 0 |
| AS10675US | VIET-MY - Viet-My | — | — | 0 |
| AS10705US | NU01-WS-NC - NetUnlimited Inc. | — | — | 0 |
| AS10740US | OWO-AS - Origin Systems, INC. | — | — | 0 |
| AS10765US | CLOUDNET-AS - CloudNet | — | — | 0 |
| AS10774US | SBIS-ASN-BLK-2 - AT&T Enterprises, LLC | — | — | 0 |
| AS10789US | BIGNET-AS - The Bignet | — | — | 0 |
| AS10822US | UNISTAR - Unistar Entertainment, Inc | — | — | 0 |