Autonomous System details
AS18830
Houghton Mifflin Harcourt Publishing Company — hmhco.com
Summary
| Country |
 United States
|
| Organization | Houghton Mifflin Harcourt Publishing Company |
| Domain | hmhco.com |
| Number of IPv4 | 1,024 |
| Number of IPv6 | 0 |
| AS Type | Business |
| Registry | ARIN |
| Allocated | December 19, 2007 (about 17 years ago) |
| Updated | December 23, 2015 (about 9 years ago) |
IP Ranges
AS18830 announces 3 IPv4 ranges and 0 IPv6 range.
That's a total of 1,024 IPv4 address and 0 IPv6 address.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 208.85.124.0/24 |
Houghton Mifflin Harcourt Publishing Company
|
256 | ARIN | ALLOCATION |
| 208.85.125.0/24 |
Houghton Mifflin Harcourt Publishing Company
|
256 | ARIN | ALLOCATION |
| 208.85.126.0/23 |
Houghton Mifflin Harcourt Publishing Company
|
512 | ARIN | ALLOCATION |
Peers
There is no peer for AS18830.
Downstreams
There is no downstream for AS18830.