AS18830
HMH
AS18830 is HMH (hmhco.com). It announces 1,024 IPv4 addresses in 3 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2007-12-19· business
1,024
IPv4 addresses announced
3
IPv4 prefixes
0
IPv6 prefixes
0.00%
of its routes RPKI-valid
1,024
of its IPv4 geolocated
1
country
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States1,024 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- HMH-18830
- name
- HMH
- org
- HOUGH-3
- org name
- HMH
- org address
- 125 High Street, Boston, MA, 02110
- org city
- Boston
- org country
- US
- country
- US
- source
- arin
- created
- 2007-12-19
- updated
- 2015-12-23
- abuse name
- Network Manager
- abuse email
- netadmin@hmhco.com
- abuse phone
- +1-617-351-5000
- abuse kind
- role
- abuse city
- Boston
- abuse country
- US
- admin name
- Network Manager
- admin email
- netadmin@hmhco.com
- admin phone
- +1-617-351-5000
- admin kind
- role
- admin city
- Boston
- admin country
- US
- tech name
- Network Manager
- tech email
- netadmin@hmhco.com
- tech phone
- +1-617-351-5000
- tech kind
- role
- tech city
- Boston
- tech country
- US
- abuse validated
- 1
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.20%
- 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
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 208.85.124.0/24 | United States | not found | 16 | 2026-10-02 |
| 208.85.125.0/24 | United States | not found | 16 | 2026-10-02 |
| 208.85.126.0/23 | United States | not found | 16 | 2026-10-02 |
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