Cofractal, Inc.
AS26073 is Cofractal, Inc. (cofractal.com). It announces 4,864 IPv4 addresses in 19 prefixes, and 21 IPv6 prefixes.
United States· ARIN· allocated 2018-06-15· 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 States4,864 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- COFRACTAL-001
- name
- Cofractal, Inc.
- org
- COFRA
- org name
- Cofractal, Inc.
- org address
- 209 E Java Drive. #61593, Sunnyvale, CA, 94089
- org city
- Sunnyvale
- org country
- US
- country
- US
- source
- arin
- created
- 2018-06-15
- updated
- 2019-08-05
- abuse name
- Operations
- abuse email
- aropsd5f8@cofractal.net
- abuse phone
- +1-650-300-0520
- abuse kind
- role
- abuse city
- Sunnyvale
- abuse country
- US
- admin name
- Operations
- admin email
- aropsd5f8@cofractal.net
- admin phone
- +1-650-300-0520
- admin kind
- role
- admin city
- Sunnyvale
- admin country
- US
- tech
- OPERA632-ARIN
- tech name
- Operations
- tech email
- aropsd5f8@cofractal.net
- tech phone
- +1-650-300-0520
- tech kind
- role
- tech city
- Sunnyvale
- 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.
- 0.04%
- None here
- None here
- None here
- None here
- None here
- Hosting IP51210.53%
- None here
- None here
- None here
- SSH IP541.11%
- None here
- 0.10%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 23.139.160.0/24 | United States | valid | 18 | 2026-10-02 |
| 23.165.224.0/22 | United States | not found | 18 | 2026-10-02 |
| 23.165.224.0/23 | United States | not found | 17 | 2026-10-02 |
| 23.165.224.0/24 | United States | valid | 17 | 2026-10-02 |
| 23.165.225.0/24 | United States | valid | 17 | 2026-10-02 |
| 23.165.226.0/23 | United States | not found | 17 | 2026-10-02 |
| 23.165.227.0/24 | United States | valid | 17 | 2026-10-02 |
| 44.4.41.0/24 | United States | not found | 18 | 2026-10-02 |
| 158.51.16.0/22 | United States | valid | 18 | 2026-10-02 |
| 158.51.16.0/24 | United States | valid | 17 | 2026-10-02 |
| 158.51.17.0/24 | United States | valid | 18 | 2026-10-02 |
| 199.19.152.0/24 | United States | not found | 17 | 2026-10-02 |
| 199.19.153.0/24 | United States | not found | 17 | 2026-10-02 |
| 199.255.16.0/24 | United States | not found | 17 | 2026-10-02 |
| 199.255.18.0/24 | United States | not found | 17 | 2026-10-02 |
| 199.255.19.0/24 | United States | not found | 17 | 2026-10-02 |
| 208.80.44.0/22 | United States | not found | 18 | 2026-10-02 |
| 208.80.44.0/23 | United States | not found | 17 | 2026-10-02 |
| 208.80.44.0/24 | United States | not found | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2600:ec00::/28 | United States | not found | 20 | 2026-10-02 |
| 2600:ec00::/48 | United States | not found | 20 | 2026-10-02 |
| 2600:ec04:3f2::/48 | United States | not found | 20 | 2026-10-02 |
| 2602:fa6d:10::/48 | United States | valid | 20 | 2026-10-02 |
| 2602:fe19::/32 | United States | valid | 20 | 2026-10-02 |
| 2602:fe19::/48 | United States | valid | 20 | 2026-10-02 |
| 2602:fe19:4::/48 | United States | valid | 20 | 2026-10-02 |
| 2602:fe19:5::/48 | United States | valid | 20 | 2026-10-02 |
| 2602:fe19:10::/48 | United States | valid | 20 | 2026-10-02 |
| 2602:fe19:4002::/48 | United States | valid | 20 | 2026-10-02 |
| 2602:fe19:4004::/48 | United States | valid | 20 | 2026-10-02 |
| 2602:fe19:4016::/48 | United States | valid | 20 | 2026-10-02 |
| 2606:45c0:20::/44 | United States | not found | 20 | 2026-10-02 |
| 2606:45c0:30::/44 | United States | not found | 20 | 2026-10-02 |
| 2606:45c0:40::/44 | United States | not found | 20 | 2026-10-02 |
| 2606:45c0:50::/44 | United States | not found | 20 | 2026-10-02 |
| 2606:45c0:9590::/48 | United States | not found | 20 | 2026-10-02 |
| 2606:7940:30::/44 | United States | not found | 20 | 2026-10-02 |
| 2606:7940:50::/44 | United States | not found | 20 | 2026-10-02 |
| 2a0d:1a40:edef::/48 | The Netherlands | valid | 20 | 2026-10-02 |
| 2a0e:1cc0:10::/48 | The Netherlands | valid | 20 | 2026-10-02 |
Test the real build first.
An evaluation license puts a full current build in your hands — every row, every column, no sampling — so you can measure it against your own traffic before anyone talks about terms.