Autonomous System
AS21737 SpringNet
ISPActiveUnited StatesARIN
AS21737 (SPRINGNET2-NET) is an ISP network operated by SpringNet in United States, registered with ARIN. It has 10 IPv4 prefixes with 26,112 addresses and 1 IPv6 prefix, which makes it the 5,916th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses26,112in 10 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#5,916of 82,200 active ASNs
Details
OrganizationSpringNet
AS nameSPRINGNET2-NET
Websitespringnet.net
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactabuse@springnet.net
Registered2001-06-18
Last updated2005-09-29
IPv4 prefixes
10 prefixes · 26,112 addresses| Network | Addresses | First – last address |
|---|---|---|
| 64.22.224.0/19 | 8,192 | 64.22.224.0 – 64.22.255.255 |
| 66.119.0.0/19 | 8,192 | 66.119.0.0 – 66.119.31.255 |
| 75.98.96.0/20 | 4,096 | 75.98.96.0 – 75.98.111.255 |
| 76.77.128.0/20 | 4,096 | 76.77.128.0 – 76.77.143.255 |
| 64.22.225.0/24 | 256 | 64.22.225.0 – 64.22.225.255 |
| 64.22.249.0/24 | 256 | 64.22.249.0 – 64.22.249.255 |
| 64.22.255.0/24 | 256 | 64.22.255.0 – 64.22.255.255 |
| 75.98.102.0/24 | 256 | 75.98.102.0 – 75.98.102.255 |
| 75.98.103.0/24 | 256 | 75.98.103.0 – 75.98.103.255 |
| 198.246.200.0/24 | 256 | 198.246.200.0 – 198.246.200.255 |
64.22.224.0/19 66.119.0.0/19 75.98.96.0/20 76.77.128.0/20 64.22.225.0/24 64.22.249.0/24 64.22.255.0/24 75.98.102.0/24 75.98.103.0/24 198.246.200.0/24
IPv6 prefixes
1 prefix- 2001:49b8::/32
2001:49b8::/32
Query AS21737 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=AS21737&key=YOUR_API_KEY"Any address in its prefixes resolves to AS21737, with or without a key:
curl "https://api.ipapi.is/?q=64.22.224.1"Largest networks in United States
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