ICF International
AS3713 is ICF International (icfi.com). It announces 4,096 IPv4 addresses in 17 prefixes, and 2 IPv6 prefixes.
United States· ARIN· allocated 1994-07-13· Business
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 States4,096 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- ICFCONSULTINGGROUPINC
- name
- ICF International
- org
- ICG-67
- org name
- ICF International
- org address
- 1902 Reston Metro Plaza, Reston, VA, 20190
- org city
- Reston
- org country
- US
- country
- US
- source
- arin
- created
- 1994-07-13
- updated
- 2014-01-16
- abuse name
- ICF ARIN
- abuse email
- arin@icfi.com
- abuse phone
- +1-703-934-3000
- abuse kind
- person
- abuse city
- Reston
- abuse country
- US
- admin name
- ICF ARIN
- admin email
- arin@icfi.com
- admin phone
- +1-703-934-3000
- admin kind
- person
- admin city
- Reston
- admin country
- US
- tech name
- ICF ARIN
- tech email
- arin@icfi.com
- tech phone
- +1-703-934-3000
- tech kind
- person
- tech city
- Reston
- 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
- 0.05%
- None here
- None here
- Web IP160.39%
- 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 |
|---|---|---|---|---|
| 199.223.16.0/21 | United States | Not found | 17 | 2026-10-02 |
| 199.223.16.0/24 | United States | Not found | 17 | 2026-10-02 |
| 199.223.17.0/24 | United States | Not found | 17 | 2026-10-02 |
| 199.223.18.0/24 | United States | Not found | 17 | 2026-10-02 |
| 199.223.19.0/24 | United States | Not found | 17 | 2026-10-02 |
| 199.223.20.0/24 | United States | Not found | 17 | 2026-10-02 |
| 199.223.21.0/24 | United States | Not found | 17 | 2026-10-02 |
| 199.223.22.0/24 | United States | Not found | 17 | 2026-10-02 |
| 199.223.23.0/24 | United States | Not found | 17 | 2026-10-02 |
| 199.223.24.0/22 | United States | Not found | 17 | 2026-10-02 |
| 199.223.24.0/24 | United States | Not found | 17 | 2026-10-02 |
| 199.223.27.0/24 | United States | Not found | 17 | 2026-10-02 |
| 199.223.28.0/22 | United States | Not found | 17 | 2026-10-02 |
| 199.223.28.0/24 | United States | Not found | 17 | 2026-10-02 |
| 199.223.29.0/24 | United States | Not found | 17 | 2026-10-02 |
| 199.223.30.0/24 | United States | Not found | 17 | 2026-10-02 |
| 199.223.31.0/24 | United States | Not found | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2604:d800:1001::/48 | United States | Not found | 19 | 2026-10-02 |
| 2620:7b:b000::/48 | United States | Not found | 19 | 2026-10-02 |
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