CIRBN, LLC
AS62523 is CIRBN, LLC (cirbn.org). It announces 16,640 IPv4 addresses in 18 prefixes, and 1 IPv6 prefixes.
United States· ARIN· allocated 2013-06-21· isp
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 States16,640 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CIRBN-LLC
- name
- CIRBN, LLC
- org
- CL-214
- org name
- CIRBN, LLC
- org address
- 200 W Front Street, Suite 500A, Bloomington, IL, 61701
- org city
- Bloomington
- org country
- US
- country
- US
- source
- arin
- created
- 2013-06-21
- updated
- 2013-06-21
- abuse name
- CIRBN Abuse Contact
- abuse email
- abuse@cirbn.org
- abuse phone
- +1-309-820-7321
- abuse kind
- role
- abuse city
- Bloomington
- abuse country
- US
- admin name
- CIRBN Technical Staff
- admin email
- internalsupport@cirbn.org
- admin phone
- +1-309-820-7321
- admin kind
- role
- admin city
- Bloomington
- admin country
- US
- tech name
- CIRBN Technical Staff
- tech email
- internalsupport@cirbn.org
- tech phone
- +1-309-820-7321
- tech kind
- role
- tech city
- Bloomington
- 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.
- VPN IP110watchguard0.66%
- geonode, anyip, thordata0.38%
- None here
- None here
- None here
- None here
- Hosting IP1,0246.15%
- None here
- None here
- None here
- SSH IP820.49%
- 0.03%
- 0.08%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 38.89.244.0/22 | United States | not found | 18 | 2026-10-02 |
| 64.150.64.0/24 | United States | valid | 18 | 2026-10-02 |
| 76.78.250.0/24 | United States | valid | 18 | 2026-10-02 |
| 107.152.0.0/20 | United States | valid | 18 | 2026-10-02 |
| 158.222.16.0/22 | United States | not found | 18 | 2026-10-02 |
| 158.222.20.0/24 | United States | not found | 17 | 2026-10-02 |
| 158.222.21.0/24 | United States | not found | 17 | 2026-10-02 |
| 158.222.22.0/24 | United States | not found | 17 | 2026-10-02 |
| 162.222.8.0/21 | United States | not found | 18 | 2026-10-02 |
| 199.38.32.0/20 | United States | valid | 18 | 2026-10-02 |
| 216.124.156.0/22 | United States | valid | 18 | 2026-10-02 |
| 216.125.236.0/24 | United States | valid | 18 | 2026-10-02 |
| 216.125.237.0/24 | United States | valid | 18 | 2026-10-02 |
| 216.125.238.0/24 | United States | valid | 18 | 2026-10-02 |
| 216.125.239.0/24 | United States | valid | 18 | 2026-10-02 |
| 216.125.243.0/24 | United States | valid | 18 | 2026-10-02 |
| 216.125.244.0/23 | United States | valid | 18 | 2026-10-02 |
| 216.125.246.0/24 | United States | valid | 18 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2605:b180::/32 | United States | valid | 20 | 2026-10-02 |
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