United States ASN Summary & United States IP addresses
Full list of United States IP ranges
This United States IP list includes all United States ASNs assigned, and the complete list of United States IP addresses list by IP ranges.
28,777 ASN Networks
| ASN | Description | IPv4 Prefixes | IPv6 Prefixes | IPv4 Peers | IPv6 Peers | Date Allocated |
|---|---|---|---|---|---|---|
| AS4 | University of Southern California |
45 | 7 | 6 | 1 | 1984-02-22 |
| AS6 | ATOS IT Solutions and Services, Inc. |
37 | 1 | 6 | 1 | 1984-02-02 |
| AS20 | University of Rochester |
3 | 1 | 3 | 2 | 1984-07-27 |
| AS21 | The RAND Corporation |
10 | 0 | 4 | 0 | 1984-07-30 |
| AS25 | University of California at Berkeley |
13 | 1 | 1 | 1 | 1984-08-03 |
| AS26 | Cornell University |
6 | 1 | 3 | 2 | 1984-08-10 |
| AS27 | University of Maryland |
7 | 6 | 1 | 1 | 1984-08-28 |
| AS65 | Air Force Systems Networking |
2 | 0 | 2 | 0 | 1986-03-18 |
| AS72 | Schlumberger Limited |
142 | 0 | 27 | 0 | 1986-05-05 |
| AS80 | General Electric Company |
9 | 0 | 2 | 0 | 1986-05-05 |
| AS91 | Rensselaer Polytechnic Institute |
8 | 1 | 2 | 3 | 1986-11-18 |
| AS100 | FMC Central Engineering Laboratories |
6 | 0 | 6 | 0 | 1987-02-26 |
| AS101 | University of Washington |
8 | 5 | 30 | 18 | 1987-03-31 |
| AS104 | University of Colorado at Boulder |
20 | 2 | 3 | 2 | 1987-04-09 |
| AS111 | Boston University |
12 | 1 | 4 | 0 | 1987-05-11 |
| AS129 | DoD Network Information Center |
16 | 0 | 1 | 0 | 1987-09-23 |
| AS138 | DoD Network Information Center |
56 | 0 | 1 | 0 | 1987-11-11 |
| AS153 | Headquarters, USAISC |
5 | 0 | 1 | 0 | 1988-01-05 |
| AS166 | Institute for Defense Analyses |
21 | 0 | 2 | 0 | 1988-03-29 |
| AS186 | The Catholic University of America |
1 | 0 | 2 | 0 | 1988-05-02 |
| AS194 | University Corporation for Atmospheric Research |
3 | 2 | 1 | 1 | 1988-05-26 |
| AS200 | Level 3 Parent, LLC |
1 | 0 | 1 | 0 | 2002-06-05 |
| AS206 | DXC US Latin America Corporation |
8 | 0 | 5 | 0 | 1999-06-25 |
| AS237 | Merit Network Inc. |
84 | 7 | 39 | 7 | 1988-09-12 |
| AS254 | Attachmate Corp. |
18 | 2 | 3 | 0 | 1988-11-11 |
| AS262 | NTT America, Inc. |
0 | 1 | 2 | 0 | 2000-07-11 |
| AS270 | National Aeronautics and Space Administration |
162 | 0 | 6 | 0 | 1989-02-24 |
| AS299 | University of California, Irvine |
5 | 0 | 2 | 0 | 1989-06-15 |
| AS514 | DoD Network Information Center |
1 | 0 | 1 | 0 | 1989-08-31 |
| AS572 | Greater Baltimore Medical Center Inc |
4 | 0 | 2 | 0 | 2014-02-18 |
| AS683 | Argonne National Laboratory |
29 | 13 | 2 | 2 | 1990-06-14 |
| AS747 | Headquarters, USAISC |
76 | 0 | 1 | 0 | 1990-09-25 |
| AS784 | Henry M. Jackson Foundation for The Advancement of Military Medicine |
1 | 0 | 1 | 0 | 1990-11-20 |
| AS813 | Verizon Business |
2 | 0 | 1 | 0 | 2002-05-21 |
| AS843 | F5, Inc. |
1 | 0 | 1 | 0 | 2018-11-30 |
| AS846 | SOLV Energy, LLC |
1 | 0 | 1 | 0 | 2022-06-16 |
| AS889 | Deerfield Valley Communications Union District |
1 | 1 | 2 | 2 | 2022-06-07 |
| AS916 | Stalwart Wireless |
1 | 1 | 1 | 1 | 2022-06-13 |
| AS919 | The Howard University |
9 | 0 | 1 | 0 | 2024-06-03 |
| AS924 | Cloudie Networks LLC |
5 | 7 | 15 | 42 | 2022-06-16 |
| AS925 | SiFibe, LLC |
1 | 0 | 1 | 0 | 2022-06-16 |
| AS927 | Quintillion Subsea Operations, LLC |
2 | 0 | 2 | 0 | 2022-06-16 |
| AS935 | Peter Pan Seafood Co, LLC |
1 | 0 | 1 | 0 | 2022-06-17 |
| AS939 | NovoServe LLC |
3 | 1 | 4 | 1 | 2022-06-17 |
| AS954 | TMTG |
5 | 0 | 2 | 0 | 2024-06-20 |
| AS965 | Webhosting Holdings LLC |
5 | 3 | 4 | 2 | 2022-06-22 |
| AS972 | Cofractal, Inc. |
0 | 3 | 0 | 2 | 2022-06-22 |
| AS973 | Revive IT Solutions LLC |
2 | 0 | 1 | 0 | 2022-06-23 |
| AS976 | CoreNET Inc. |
11 | 7 | 4 | 7 | 2022-06-24 |
| AS990 | Index Ventures |
1 | 0 | 2 | 0 | 2022-06-27 |
| AS999 | CORIX NETWORKS |
15 | 7 | 6 | 5 | 2024-06-11 |