Montgomery County Government, Maryland
AS54439 is Montgomery County Government, Maryland (montgomerycountymd.gov). It announces 12,800 IPv4 addresses in 13 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2020-12-31· government
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 States12,800 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- MCGM-FIBERNET3
- name
- Montgomery County Government, Maryland
- org
- MCGM
- org name
- Montgomery County Government, Maryland
- org address
- 100 Maryland Ave., Suite 300, Rockville, MD, 20850
- org city
- Rockville
- org country
- US
- country
- US
- source
- arin
- created
- 2020-12-31
- updated
- 2021-03-08
- abuse name
- Robert Shields
- abuse email
- rob.shields@montgomerycountymd.gov
- abuse phone
- +1-703-283-3884
- abuse kind
- person
- abuse city
- Sterling
- abuse country
- US
- admin name
- Mark Gardner
- admin email
- mark.gardner@montgomerycountymd.gov
- admin phone
- +1-240-773-8116
- admin kind
- person
- admin city
- Rockville
- admin country
- US
- tech name
- Robert Shields
- tech email
- rob.shields@montgomerycountymd.gov
- tech phone
- +1-703-283-3884
- tech kind
- person
- tech city
- Sterling
- 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.
- None here
- geonode, anyip, proxiware0.22%
- None here
- None here
- None here
- None here
- Hosting IP2,30418.00%
- None here
- None here
- None here
- None here
- None here
- 0.16%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 192.26.21.0/24 | United States | not found | 18 | 2026-10-02 |
| 192.26.22.0/23 | United States | not found | 17 | 2026-10-02 |
| 192.26.24.0/24 | United States | not found | 18 | 2026-10-02 |
| 192.35.92.0/23 | United States | not found | 17 | 2026-10-02 |
| 192.41.164.0/22 | United States | not found | 18 | 2026-10-02 |
| 192.41.168.0/23 | United States | not found | 18 | 2026-10-02 |
| 208.76.112.0/24 | United States | not found | 18 | 2026-10-02 |
| 208.76.114.0/24 | United States | not found | 18 | 2026-10-02 |
| 208.76.115.0/24 | United States | not found | 18 | 2026-10-02 |
| 208.76.116.0/24 | United States | not found | 18 | 2026-10-02 |
| 208.76.117.0/24 | United States | not found | 18 | 2026-10-02 |
| 208.76.119.0/24 | United States | not found | 18 | 2026-10-02 |
| 213.18.192.0/19 | United States | not found | 18 | 2026-10-02 |
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