Internet service provider
CFU-NET IP ranges and locations
CFU-NET (AS13855): residential ISP in United States, 11 IPv4 prefixes, 25,344 addresses, #310 of 1,948 ISPs. Cities served, largest ranges and the VPN/proxy answer.
At a glance
- Name
- CFU-NET
- Network type
- Residential
- ASN
- AS13855
- Country
- 🇺🇸 United States
- Share of United States IPv4 space
- 0%
- Largest range
- 24.149.0.0/19
Cities and regions served
Geolocating the first address of each of the 10 largest ranges places CFU-NET customers in Cedar Falls, Grundy Center. Residential blocks are assigned per region, so a lookup of a CFU-NET address usually resolves to the subscriber's metropolitan area rather than an exact street.
Is CFU-NET a VPN or proxy?
Mostly not. CFU-NET is classified as a residential ISP network, but 1 of the 10 sampled ranges also appear in the datacenter list (hostnoc). Most AS13855 addresses belong to subscribers; a minority are hosted servers that may run VPN or proxy exits. Check the specific address rather than the whole network.
Largest IPv4 ranges
| CIDR | First address | Last address | Addresses |
|---|---|---|---|
| 24.149.0.0/19 | 24.149.0.0 | 24.149.31.255 | 8,192 |
| 67.212.96.0/20 | 67.212.96.0 | 67.212.126.255 | 7,936 |
| 69.57.200.0/21 | 69.57.200.0 | 69.57.207.255 | 2,048 |
| 69.57.192.0/22 | 69.57.192.0 | 69.57.197.255 | 1,536 |
| 64.191.8.0/22 | 64.191.8.0 | 64.191.11.255 | 1,024 |
| 168.203.8.0/22 | 168.203.8.0 | 168.203.11.255 | 1,024 |
| 192.111.20.0/22 | 192.111.20.0 | 192.111.23.255 | 1,024 |
| 199.168.104.0/22 | 199.168.104.0 | 199.168.107.255 | 1,024 |
| 209.40.80.0/22 | 209.40.80.0 | 209.40.83.255 | 1,024 |
| 142.147.101.0/24 | 142.147.101.0 | 142.147.101.255 | 256 |
| 192.101.160.0/24 | 192.101.160.0 | 192.101.160.255 | 256 |
Other ISPs in United States
| Name | ASN | Network type | IPv4 addresses |
|---|---|---|---|
| ATT-INTERNET4 | AS7018 | Residential | 90,000,896 |
| COMCAST-7922 | AS7922 | Residential | 42,195,456 |
| UUNET | AS701 | Residential | 40,601,088 |
| T-MOBILE-AS21928 | AS21928 | Mobile carrier | 13,121,792 |
| CHARTER-20115 | AS20115 | Residential | 12,425,728 |
| UUNET | AS702 | Residential | 5,716,992 |
How this page is built
The network type comes from the registry name of AS13855 (telecom, broadband, cable, mobile and similar words mark it as a residential ISP or carrier), ranges from iptoasn routing data, locations from DB-IP Lite (CC BY 4.0) and the datacenter check from the open datacenter list. Figures are recomputed daily.