AS4211
Maricopa County Government
AS4211 is Maricopa County Government (maricopa.gov). It announces 14,336 IPv4 addresses in 6 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 1995-01-06· Government
14,336
IPv4 addresses announced
6
IPv4 prefixes
0
IPv6 prefixes
0.00%
of its routes RPKI-valid
14,336
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 States14,336 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- ASN-MARICOPA1
- name
- Maricopa County Government
- org
- MCG-14
- org name
- Maricopa County Government
- org address
- 301 S. 4th Ave, Phoenix, AZ, 85003
- org city
- Phoenix
- org country
- US
- country
- US
- source
- arin
- created
- 1995-01-06
- updated
- 2000-10-02
- abuse name
- Dan Wilkins
- abuse email
- hostmaster@mail.maricopa.gov
- abuse phone
- +1-602-506-7116
- abuse kind
- person
- abuse city
- Phoenix
- abuse country
- US
- admin name
- Susan Matyas
- admin email
- Sue.matyas@mail.maricopa.gov
- admin phone
- +1-602-506-8195
- admin kind
- person
- admin city
- Phoenix
- admin country
- US
- tech
- JA117-ARIN
- tech name
- Jerry Allen
- tech email
- jallen@maricopa.gov
- tech phone
- +1-602-506-8195
- tech kind
- person
- tech city
- Phoenix
- tech country
- US
- abuse unvalidated since
- 2018-12-14
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.
- 0.05%
- 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
- 0.03%
- 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 |
|---|---|---|---|---|
| 156.42.0.0/16 | United States | Not found | 17 | 2026-10-02 |
| 156.42.0.0/20 | United States | Not found | 17 | 2026-10-02 |
| 156.42.16.0/20 | United States | Not found | 17 | 2026-10-02 |
| 156.42.192.0/21 | United States | Not found | 18 | 2026-10-02 |
| 156.42.200.0/21 | United States | Not found | 18 | 2026-10-02 |
| 156.42.216.0/21 | United States | Not found | 18 | 2026-10-02 |
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