Unclassified
Not enough sources, unclear purpose, or conflicting classifications
- ASNs
- 87,657
- 69.5% of all ASNs
- Routed ASNs
- 53,976
- 61.6% of this type
- IPv4 addresses
- 916.0M
- 26.7% of global
- IPv6 /48s
- 3.59B
- 29.0% of global
Routing data · Oct 26, 2026, 06:22 UTC
Unclassified ASN ranking
| Rank | ASN | Name | Country/region | IPv4 addresses | IPv6 /48s | Prefixes |
|---|---|---|---|---|---|---|
| 55001 | AS1860 | RTX BBN Technologies, Inc. |  United States | 0 | 0 | 0 |
| 55002 | AS1862 | RTX BBN Technologies, Inc. | United States | 0 | 0 | 0 |
| 55003 | AS1863 | RTX BBN Technologies, Inc. | United States | 0 | 0 | 0 |
| 55004 | AS1864 | RTX BBN Technologies, Inc. | United States | 0 | 0 | 0 |
| 55005 | AS1865 | RTX BBN Technologies, Inc. | United States | 0 | 0 | 0 |
| 55006 | AS1866 | RTX BBN Technologies, Inc. | United States | 0 | 0 | 0 |
| 55007 | AS1867 | RTX BBN Technologies, Inc. | United States | 0 | 0 | 0 |
| 55008 | AS1868 | RTX BBN Technologies, Inc. | United States | 0 | 0 | 0 |
| 55009 | AS1869 | RTX BBN Technologies, Inc. | United States | 0 | 0 | 0 |
| 55010 | AS1870 | HP Inc. | United States | 0 | 0 | 0 |
| 55011 | AS1871 | HP Inc. | United States | 0 | 0 | 0 |
| 55012 | AS1872 | HP Inc. | United States | 0 | 0 | 0 |
| 55013 | AS1873 | HP Inc. | United States | 0 | 0 | 0 |
| 55014 | AS1874 | HP Inc. | United States | 0 | 0 | 0 |
| 55015 | AS1875 | Southern Methodist University | United States | 0 | 0 | 0 |
| 55016 | AS1876 | Southern Methodist University | United States | 0 | 0 | 0 |
| 55017 | AS1879 | STUPI | United States | 0 | 0 | 0 |
| 55018 | AS1881 | FMV |  Sweden | 0 | 0 | 0 |
| 55019 | AS1883 | STUPI | United States | 0 | 0 | 0 |
| 55020 | AS1889 | IDDQD-AS |  European Union | 0 | 0 | 0 |
| 55021 | AS1893 | IDDQD-AS |  Germany | 0 | 0 | 0 |
| 55022 | AS1895 | NWN-AS | Germany | 0 | 0 | 0 |
| 55023 | AS1903 | IDDQD-AS | European Union | 0 | 0 | 0 |
| 55024 | AS1905 | Dynamics Research Corporation | United States | 0 | 0 | 0 |
| 55025 | AS1907 | Single Source Network Systems, Inc. | United States | 0 | 0 | 0 |
| 55026 | AS1910 | United States Department of Defense (DoD) | United States | 0 | 0 | 0 |
| 55027 | AS1912 | United States Department of Defense (DoD) | United States | 0 | 0 | 0 |
| 55028 | AS1915 | National Science Foundation | United States | 0 | 0 | 0 |
| 55029 | AS1917 | CTC | United States | 0 | 0 | 0 |
| 55030 | AS1918 | United States Department of Defense (DoD) | United States | 0 | 0 | 0 |
| 55031 | AS1920 | BT Americas, Inc | United States | 0 | 0 | 0 |
| 55032 | AS1923 | IDDQD-AS | European Union | 0 | 0 | 0 |
| 55033 | AS1924 | Unified Industries, Inc. | United States | 0 | 0 | 0 |
| 55034 | AS1925 | United States Department of Defense (DoD) | United States | 0 | 0 | 0 |
| 55035 | AS1927 | Navy Network Information Center (NNIC) | United States | 0 | 0 | 0 |
| 55036 | AS1928 | Parke-Davis | United States | 0 | 0 | 0 |
| 55037 | AS1931 | HP Inc. | United States | 0 | 0 | 0 |
| 55038 | AS1933 | Navy Network Information Center (NNIC) | United States | 0 | 0 | 0 |
| 55039 | AS1934 | Verizon Business | United States | 0 | 0 | 0 |
| 55040 | AS1936 | Renater (AS1936) | European Union | 0 | 0 | 0 |
| 55041 | AS1937 | Renater | European Union | 0 | 0 | 0 |
| 55042 | AS1939 | Renater | European Union | 0 | 0 | 0 |
| 55043 | AS1940 | Renater | European Union | 0 | 0 | 0 |
| 55044 | AS1941 | Renater | European Union | 0 | 0 | 0 |
| 55045 | AS1943 | Renater | European Union | 0 | 0 | 0 |
| 55046 | AS1944 | Renater | European Union | 0 | 0 | 0 |
| 55047 | AS1946 | Renater | European Union | 0 | 0 | 0 |
| 55048 | AS1947 | Renater | European Union | 0 | 0 | 0 |
| 55049 | AS1948 | Renater | European Union | 0 | 0 | 0 |
| 55050 | AS1949 | Renater | European Union | 0 | 0 | 0 |