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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. | 217.9M | 23,731 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,300 |
| 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.
32,144 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,838 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,995 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,313 |
| — |
| — |
| 0 |
| AS27050US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS6004US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS31941US | SCIPIO-TECH-31941 - Peace Communications LLC | — | — | 0 |
| AS7327US | 7THLEVEL - 7th Level, Inc. | — | — | 0 |
| AS7293US | SBIS-BLK - AT&T Enterprises, LLC | — | — | 0 |
| AS10890US | PHILADELPHIA-NEWSPAPERS - Philadelphia Newspapers Incorporated | — | — | 0 |
| AS10943US | AS-ORT2 - OLD REPUBLIC NATIONAL TITLE INSURANCE CO. | — | — | 0 |
| AS10684US | EMPIRENET - EmpireNet | — | — | 0 |
| AS10304US | NETCHANNEL - Netchannel, INC. | — | — | 0 |
| AS10527US | PULVER - Pulver.com | — | — | 0 |
| AS10737US | MOBI - CellularONE | — | — | 0 |
| AS6139US | SAUDI - Washington Coordinating Center | — | — | 0 |
| AS6126US | CA-INC - Avago Technologies U.S. Inc. | — | — | 0 |
| AS19301US | CERIDIAN-TAX - CERIDIAN TAX SERVICE, INC | — | — | 0 |
| AS6037US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5913US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5879US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5762US | NETMAG - Magnet Interactive Studios | — | — | 0 |
| AS7811US | ITOCHU - ITOCHU Techno-Solutions America, Inc. | — | — | 0 |
| AS6592US | NETUS - Netus, Inc. | — | — | 0 |
| AS6585US | AIMTECH - Aimtech Corp | — | — | 0 |
| AS6398US | TELEDESIC - Teledesic Corporation | — | — | 0 |
| AS6448US | QAD - QAD, Inc. | — | — | 0 |
| AS6260US | SIX2SIXO-NETWORKS - MOD Mission Critical, LLC | — | — | 0 |
| AS29808US | DCS-CLOUD-01 - deadCenter Solutions LLC | — | — | 0 |
| AS36412US | DREXEL-ASN2 - Drexel University | — | — | 0 |
| AS36030US | Q9-AS-CAL1 - Equinix, Inc. | — | — | 0 |
| AS36284US | AS-TIERP-36284 - TierPoint, LLC | — | — | 0 |
| AS33578US | ALTER-TRADING - ALTER TRADING COMPANY | — | — | 0 |
| AS33571US | TEC-ELCAMINO-BGP - Vistage Worldwide, Inc. | — | — | 0 |
| AS30209US | DATAPIPE-ASN3 - DataPipe, Inc. | — | — | 0 |
| AS27120US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS29965US | CHARTER-29965-NA - Charter Communications LLC | — | — | 0 |
| AS29881US | TPAIX - WideOpenWest Finance LLC | — | — | 0 |
| AS29738US | DATABANK-PIT - DataBank Holdings, Ltd. | — | — | 0 |
| AS14342US | ITCM-UCIN - Allstream Business US, LLC | — | — | 0 |
| AS32241US | ACPANA - HostPapa | — | — | 0 |
| AS32199US | EUSEHOST LLC - EuseHost LLC | — | — | 0 |
| AS32070US | TAMNET - TAM Network | — | — | 0 |
| AS27582US | AS-TIERP-27582 - TierPoint, LLC | — | — | 0 |
| AS30637US | AS-INAPCDN-AMS - Unitas Global | — | — | 0 |
| AS30607US | 302-DIRECT-MEDIA-ASN - Cisco OpenDNS, LLC | — | — | 0 |
| AS30480US | ONENET-OKCIX-AS-1 - OneNet | — | — | 0 |
| AS30578US | NATURE-AMERICA-BO - Springer Nature America, INC | — | — | 0 |
| AS8384US | GTT Communications Inc. | — | — | 0 |
| AS8008US | ETC-60-AS - Great Plains Communications LLC | — | — | 0 |