Johns Hopkins University Applied Physics Laboratory
AS77 is Johns Hopkins University Applied Physics Laboratory (jhuapl.edu). It announces 66,048 IPv4 addresses in 3 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 1986-05-05· education
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 States66,048 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- JHUAPL-AS
- name
- Johns Hopkins University Applied Physics Laboratory
- org
- JHUAPL
- org name
- Johns Hopkins University Applied Physics Laboratory
- org address
- 11100 Johns Hopkins Road, Laurel, MD, 20723
- org city
- Laurel
- org country
- US
- country
- US
- source
- arin
- created
- 1986-05-05
- updated
- 2012-02-24
- abuse name
- Network Operations Center
- abuse email
- nic-contact@jhuapl.edu
- abuse phone
- +1-240-228-6016
- abuse kind
- role
- abuse city
- Laurel
- abuse country
- US
- admin name
- Network Operations Center
- admin email
- nic-contact@jhuapl.edu
- admin phone
- +1-240-228-6016
- admin kind
- role
- admin city
- Laurel
- admin country
- US
- tech name
- Network Operations Center
- tech email
- nic-contact@jhuapl.edu
- tech phone
- +1-240-228-6016
- tech kind
- role
- tech city
- Laurel
- tech country
- US
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.
- 0.01%
- gridpanel_net0.00%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.00%
- 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 |
|---|---|---|---|---|
| 128.244.0.0/16 | United States | valid | 20 | 2026-10-02 |
| 204.9.128.0/24 | United States | valid | 20 | 2026-10-02 |
| 204.9.130.0/24 | United States | valid | 4 | 2026-10-02 |
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