Autonomous System
AS111 Boston University
EducationActiveUnited StatesARIN
AS111 (BOSTONU-AS) is an education network operated by Boston University in United States, registered with ARIN. It has 11 IPv4 prefixes with 133,888 addresses and 1 IPv6 prefix, which makes it the 1,789th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses133,888in 11 prefixes
IPv6 prefixes1≈ 1.3 × 10³⁰ addresses
Size rank#1,789of 82,200 active ASNs
Details
OrganizationBoston University
AS nameBOSTONU-AS
Websitebu.edu
Country United States (US)
Network typeEducation
RegistryARIN
Abuse contactIRT@bu.edu
Registered1987-05-11
Last updated2023-06-07
IPv4 prefixes
11 prefixes · 133,888 addresses| Network | Addresses | First – last address |
|---|---|---|
| 128.197.0.0/16 | 65,536 | 128.197.0.0 – 128.197.255.255 |
| 168.122.0.0/16 | 65,536 | 168.122.0.0 – 168.122.255.255 |
| 192.12.186.0/23 | 512 | 192.12.186.0 – 192.12.187.255 |
| 192.12.190.0/23 | 512 | 192.12.190.0 – 192.12.191.255 |
| 128.197.136.0/24 | 256 | 128.197.136.0 – 128.197.136.255 |
| 128.197.254.0/24 | 256 | 128.197.254.0 – 128.197.254.255 |
| 192.5.206.0/24 | 256 | 192.5.206.0 – 192.5.206.255 |
| 192.5.207.0/24 | 256 | 192.5.207.0 – 192.5.207.255 |
| 192.12.185.0/24 | 256 | 192.12.185.0 – 192.12.185.255 |
| 192.12.189.0/24 | 256 | 192.12.189.0 – 192.12.189.255 |
| 192.54.224.0/24 | 256 | 192.54.224.0 – 192.54.224.255 |
128.197.0.0/16 168.122.0.0/16 192.12.186.0/23 192.12.190.0/23 128.197.136.0/24 128.197.254.0/24 192.5.206.0/24 192.5.207.0/24 192.12.185.0/24 192.12.189.0/24 192.54.224.0/24
IPv6 prefixes
1 prefix- 2631:5000::/28
2631:5000::/28
Query AS111 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=AS111&key=YOUR_API_KEY"Any address in its prefixes resolves to AS111, with or without a key:
curl "https://api.ipapi.is/?q=128.197.0.1"Largest networks in United States
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