IPv4 prefix
18.0.0.0/11
- IP Prefix (CIDR)
- 18.0.0.0/11
- Subnet Mask
- 255.224.0.0
- Address Count
- 2,097,152
- Owner
- Massachusetts Institute of Technology
- Handle
- MIT-2
- Address
- Room W92-167 77 Massachusetts Avenue Cambridge MA 02139-4307 United States
- Registry
- ARIN
- Registered Prefix
- 18.0.0.0/11 (18.0.0.0 - 18.31.255.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 18.0.0.0/15 | More specific | AS3 | Massachusetts Institute of Technology |
United States of America (US)
|
18.0.0.0 | 18.1.255.255 |
| 18.2.192.0/19 | More specific | AS10578 | Harvard University |
United States of America (US)
|
18.2.192.0 | 18.2.223.255 |
| 18.3.0.0/16 | More specific | AS3 | Massachusetts Institute of Technology |
United States of America (US)
|
18.3.0.0 | 18.3.255.255 |
| 18.4.0.0/14 | More specific | AS3 | Massachusetts Institute of Technology |
United States of America (US)
|
18.4.0.0 | 18.7.255.255 |
| 18.8.0.0/13 | More specific | AS3 | Massachusetts Institute of Technology |
United States of America (US)
|
18.8.0.0 | 18.15.255.255 |
| 18.16.0.0/15 | More specific | AS3 | Massachusetts Institute of Technology |
United States of America (US)
|
18.16.0.0 | 18.17.255.255 |
| 18.18.0.0/16 | More specific | AS3 | Massachusetts Institute of Technology |
United States of America (US)
|
18.18.0.0 | 18.18.255.255 |
| 18.18.6.0/24 | More specific | AS5518 | SIA Tet |
Latvia (LV)
|
18.18.6.0 | 18.18.6.255 |
| 18.22.0.0/15 | More specific | AS3 | Massachusetts Institute of Technology |
United States of America (US)
|
18.22.0.0 | 18.23.255.255 |
| 18.25.0.0/16 | More specific | AS3 | Massachusetts Institute of Technology |
United States of America (US)
|
18.25.0.0 | 18.25.255.255 |
| 18.26.0.0/15 | More specific | AS3 | Massachusetts Institute of Technology |
United States of America (US)
|
18.26.0.0 | 18.27.255.255 |
| 18.29.0.0/16 | More specific | AS3 | Massachusetts Institute of Technology |
United States of America (US)
|
18.29.0.0 | 18.29.255.255 |
| 18.31.0.0/16 | More specific | AS3 | Massachusetts Institute of Technology |
United States of America (US)
|
18.31.0.0 | 18.31.255.255 |