HMH
HMH uses 4,152 IPv4 addresses in 12 ranges, by the registry records IP Company reads.
About the company
Who it is, where it is registered and who owns it.
- Description
- American publisher of textbooks
- Founded
- 1880
- Headquarters
- Boston, United States
- Listed
- Nasdaq: HMHC
- Legal name
- Houghton Mifflin Harcourt Publishers Inc.
- LEI
- 549300DDRF1LRKBXUN11
- Registered
- United States (US-DE)
Who routes its space
The networks announcing its IPv4, by the addresses each announces.
Where its space is
Its IPv4 that IP Geolocation places, by country. A /24 counts for the company using most of it.
- United States4,096 · 100.00%
Networks it operates
The autonomous systems registered under its domain, by the IPv4 each announces anywhere.
| ASN | NAME | TYPE | REGISTERED | IPV4 |
|---|---|---|---|---|
| AS18830 | HMH | Business | United States | 1,024 |
| AS17209 | HMH | Business | United States | 512 |
| AS19030 | HMH | Business | United States | 0 |
| AS30556 | HMH | Business | United States | 0 |
What the databases see
Addresses each address-keyed database holds in its IPv4, as a share of it, with the largest providers. A /24 counts for the company using most of it; counts overlap.
- 0.05%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- Web IP380.92%
- None here
- 0.05%
Speed tests
Speeds measured from its space in the last 90 days.
Its address ranges
Its largest IPv4 ranges, then its IPv6 ones, as IP Company draws them, a CIDR a row, with the network announcing each.
| RANGE | IPV4 | ORIGIN |
|---|---|---|
| 206.208.104.0/21 | 2,048 | |
| 208.85.124.0/22 | 1,024 | AS18830 |
| 198.161.165.0/24 | 256 | AS17209 |
| 38.126.75.0/24 | 256 | AS174 |
| 38.73.129.0/24 | 256 | AS17209 |
| 38.83.44.0/24 | 256 | AS174 |
| 125.253.90.48/28 | 16 | AS59210 |
| 108.217.15.240/29 | 8 | AS7018 |
| 12.151.36.152/29 | 8 | AS7018 |
| 38.101.164.8/29 | 8 | AS174 |
| 38.71.46.144/29 | 8 | AS174 |
| 38.82.20.160/29 | 8 | AS174 |
Names it registers under
The holder names its registry records give, by the IPv4 under each.
- HMH3,344 · 80.54%
- HMH Education Company792 · 19.08%
- HMH Corp16 · 0.39%
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