Unclassified
Not enough sources, unclear purpose, or conflicting classifications
- ASNs
- 87,635
- 69.5% of all ASNs
- Routed ASNs
- 53,959
- 61.6% of this type
- IPv4 addresses
- 916.2M
- 26.7% of global
- IPv6 /48s
- 3.59B
- 29.6% of global
Routing data · Oct 23, 2026, 22:20 UTC
Unclassified ASN ranking
| Rank | ASN | Name | Country/region | IPv4 addresses | IPv6 /48s | Prefixes |
|---|---|---|---|---|---|---|
| 61901 | AS19891 | WithSecure Inc. |  United States | 0 | 0 | 0 |
| 61902 | AS19892 | HUBERT COMPANY, LLC | United States | 0 | 0 | 0 |
| 61903 | AS19894 | — | — | 0 | 0 | 0 |
| 61904 | AS19895 | BroadbandONE, LLC | United States | 0 | 0 | 0 |
| 61905 | AS19897 | Inteliquent, inc. | United States | 0 | 0 | 0 |
| 61906 | AS19898 | IBM | United States | 0 | 0 | 0 |
| 61907 | AS19906 | Charles River Associates Inc. | United States | 0 | 0 | 0 |
| 61908 | AS19907 | NeuStar, Inc. | United States | 0 | 0 | 0 |
| 61909 | AS19910 | NeuStar, Inc. | United States | 0 | 0 | 0 |
| 61910 | AS19916 | — | — | 0 | 0 | 0 |
| 61911 | AS19921 | Health Sciences Libraries Consortium | United States | 0 | 0 | 0 |
| 61912 | AS19924 | Sunset Systems | United States | 0 | 0 | 0 |
| 61913 | AS19928 | Interactive Tracking Systems |  Canada | 0 | 0 | 0 |
| 61914 | AS19931 | LMK Communications, LLC | United States | 0 | 0 | 0 |
| 61915 | AS19932 | Webster Bank, National Association | United States | 0 | 0 | 0 |
| 61916 | AS19938 | Movate Inc | United States | 0 | 0 | 0 |
| 61917 | AS19942 | Flochi Networks | United States | 0 | 0 | 0 |
| 61918 | AS19943 | Chestnut Ridge Counseling Services, Inc. | United States | 0 | 0 | 0 |
| 61919 | AS19947 | Flexential Colorado Corp. | United States | 0 | 0 | 0 |
| 61920 | AS19948 | — | — | 0 | 0 | 0 |
| 61921 | AS19952 | Nortel Networks, Inc | Canada | 0 | 0 | 0 |
| 61922 | AS19953 | Nortel Networks, Inc | Canada | 0 | 0 | 0 |
| 61923 | AS19954 | Citigroup Inc. | United States | 0 | 0 | 0 |
| 61924 | AS19956 | AT&T Enterprises, LLC | United States | 0 | 0 | 0 |
| 61925 | AS19958 | AT&T Corp. - ITS | United States | 0 | 0 | 0 |
| 61926 | AS19959 | Kansas Data Inc. | United States | 0 | 0 | 0 |
| 61927 | AS19962 | Level 3 Parent, LLC | United States | 0 | 0 | 0 |
| 61928 | AS19964 | Invacare Corporation | United States | 0 | 0 | 0 |
| 61929 | AS19965 | First Class Solutions, LLC | United States | 0 | 0 | 0 |
| 61930 | AS19971 | Q CENTER LLC | United States | 0 | 0 | 0 |
| 61931 | AS19973 | Verizon Business | United States | 0 | 0 | 0 |
| 61932 | AS19976 | Real Page, Inc. | United States | 0 | 0 | 0 |
| 61933 | AS19979 | SipStorm, Inc. | United States | 0 | 0 | 0 |
| 61934 | AS19981 | WireFree Communications Inc. | United States | 0 | 0 | 0 |
| 61935 | AS19984 | Patterson-UTI Management Services, LLC | United States | 0 | 0 | 0 |
| 61936 | AS19986 | BUC INTERNATIONAL | United States | 0 | 0 | 0 |
| 61937 | AS19991 | FirstEnergy Corp. | United States | 0 | 0 | 0 |
| 61938 | AS19992 | Caloptima | United States | 0 | 0 | 0 |
| 61939 | AS19995 | VSE Corporation | United States | 0 | 0 | 0 |
| 61940 | AS19998 | TA CHEN INTERNATIONAL, INC. | United States | 0 | 0 | 0 |
| 61941 | AS20000 | Fulcrum Analytics, Inc | United States | 0 | 0 | 0 |
| 61942 | AS20006 | Cortel Business Systems | United States | 0 | 0 | 0 |
| 61943 | AS20008 | Idemia Identity & Security USA, LLC | United States | 0 | 0 | 0 |
| 61944 | AS20013 | CyrusOne LLC | United States | 0 | 0 | 0 |
| 61945 | AS20017 | DAT Solutions, LLC | United States | 0 | 0 | 0 |
| 61946 | AS20022 | Everest BBN, Inc. | United States | 0 | 0 | 0 |
| 61947 | AS20023 | Everest BBN, Inc. | United States | 0 | 0 | 0 |
| 61948 | AS20024 | Everest BBN, Inc. | United States | 0 | 0 | 0 |
| 61949 | AS20025 | Everest BBN, Inc. | United States | 0 | 0 | 0 |
| 61950 | AS20026 | Everest BBN, Inc. | United States | 0 | 0 | 0 |