Autonomous System
AS6106 University of California, Riverside
EducationActiveUnited StatesARIN
AS6106 (UCR-EDU) is an education network operated by University of California, Riverside in United States, registered with ARIN. It has 4 IPv4 prefixes with 132,352 addresses and 1 IPv6 prefix, which makes it the 1,835th largest of 82,141 active autonomous systems by IPv4 space.
IPv4 addresses132,352in 4 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#1,835of 82,141 active ASNs
Details
OrganizationUniversity of California, Riverside
AS nameUCR-EDU
Websiteucr.edu
Country United States (US)
Network typeEducation
RegistryARIN
Abuse contactabuse@ucr.edu
Registered1995-11-10
Last updated2022-10-07
IPv4 prefixes
4 prefixes · 132,352 addresses| Network | Addresses | First – last address |
|---|---|---|
| 138.23.0.0/16 | 65,536 | 138.23.0.0 – 138.23.255.255 |
| 169.235.0.0/16 | 65,536 | 169.235.0.0 – 169.235.255.255 |
| 138.23.104.0/22 | 1,024 | 138.23.104.0 – 138.23.107.255 |
| 192.31.146.0/24 | 256 | 192.31.146.0 – 192.31.146.255 |
138.23.0.0/16 169.235.0.0/16 138.23.104.0/22 192.31.146.0/24
IPv6 prefixes
1 prefix- 2607:f290::/32
2607:f290::/32
Query AS6106 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS6106&key=YOUR_API_KEY"Any address in its prefixes resolves to AS6106, with or without a key:
curl "https://api.ipapi.is/?q=138.23.0.1"Largest networks in United States
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