Rackspace Hosting
AS27357 is Rackspace Hosting (rackspace.com). It announces 263,168 IPv4 addresses in 39 prefixes, and 1 IPv6 prefixes.
United States· ARIN· allocated 2003-02-20· hosting
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 States259,282 · 98.52%
- United Kingdom900 · 0.34%
- Canada870 · 0.33%
- Mexico340 · 0.13%
- The Netherlands280 · 0.11%
- Australia204 · 0.08%
- India198 · 0.08%
- Switzerland166 · 0.06%
- Israel100 · 0.04%
- Brazil86 · 0.03%
- Philippines80 · 0.03%
- Latvia62 · 0.02%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- RACKSPACE
- name
- Rackspace Hosting
- org
- RACKS-8
- org name
- Rackspace Hosting
- org address
- 1718 Dry Creek Way, Ste 115, San Antonio, TX, 78259-1837
- org city
- San Antonio
- org country
- US
- country
- US
- source
- arin
- created
- 2003-02-20
- updated
- 2012-02-24
- abuse name
- Abuse Desk
- abuse email
- abuse@rackspace.com
- abuse phone
- +1-210-312-4000
- abuse kind
- role
- abuse city
- San Antonio
- abuse country
- US
- admin name
- IPADMIN
- admin email
- hostmaster@rackspace.com
- admin phone
- +1-210-312-4000
- admin kind
- role
- admin city
- San Antonio
- admin country
- US
- tech name
- Chris Hansell
- tech email
- chris.hansell@rackspace.com
- tech phone
- +1-210-312-4000
- tech kind
- person
- tech city
- San Antonio
- 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 IP4700.18%
- None here
- floppydata0.00%
- None here
- None here
- None here
- Hosting IP263,168rackspace100.00%
- None here
- None here
- Anycast IP2560.10%
- SSH IP4,2551.62%
- SMTP IP2000.08%
- 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 |
|---|---|---|---|---|
| 23.253.128.0/19 | United States | not found | 17 | 2026-10-02 |
| 65.61.141.0/24 | United States | not found | 17 | 2026-10-02 |
| 65.61.142.0/23 | United States | not found | 17 | 2026-10-02 |
| 65.61.146.0/23 | United States | not found | 17 | 2026-10-02 |
| 65.61.152.0/24 | United States | not found | 17 | 2026-10-02 |
| 65.61.186.0/23 | United States | not found | 17 | 2026-10-02 |
| 69.20.0.0/17 | United States | not found | 17 | 2026-10-02 |
| 69.20.95.0/24also AS33070 | United States | not found | 14 | 2026-10-02 |
| 72.4.112.0/20 | United States | not found | 17 | 2026-10-02 |
| 74.205.0.0/19 | United States | not found | 17 | 2026-10-02 |
| 104.130.0.0/18 | United States | not found | 17 | 2026-10-02 |
| 104.130.120.0/22 | United States | not found | 17 | 2026-10-02 |
| 104.130.160.0/19 | United States | not found | 17 | 2026-10-02 |
| 104.130.224.0/20 | United States | not found | 17 | 2026-10-02 |
| 104.239.160.0/19 | United States | not found | 17 | 2026-10-02 |
| 104.239.224.0/20 | United States | not found | 17 | 2026-10-02 |
| 104.239.248.0/21 | United States | not found | 17 | 2026-10-02 |
| 142.0.184.0/22 | United States | valid | 17 | 2026-10-02 |
| 146.20.0.0/16 | United States | not found | 17 | 2026-10-02 |
| 148.62.86.0/24also AS15395, AS19994, AS33070 | United States | not found | 9 | 2026-10-02 |
| 156.43.59.0/24 | United Kingdom | not found | 17 | 2026-10-02 |
| 159.135.64.0/20 | United States | not found | 17 | 2026-10-02 |
| 159.135.254.0/24 | United States | not found | 17 | 2026-10-02 |
| 162.209.96.0/19 | United States | not found | 17 | 2026-10-02 |
| 162.242.192.0/19 | United States | not found | 17 | 2026-10-02 |
| 162.242.224.0/19 | United States | not found | 17 | 2026-10-02 |
| 172.99.64.0/19 | United States | not found | 17 | 2026-10-02 |
| 173.203.128.0/18 | United States | not found | 17 | 2026-10-02 |
| 173.204.89.0/24 | United States | not found | 17 | 2026-10-02 |
| 192.68.40.0/24 | The Netherlands | not found | 17 | 2026-10-02 |
| 198.210.16.0/21also AS3356 | United States | not found | 1 | 2026-10-02 |
| 198.210.16.0/22 | United States | not found | 17 | 2026-10-02 |
| 198.210.20.0/22 | United States | not found | 17 | 2026-10-02 |
| 204.51.224.0/24 | United States | not found | 17 | 2026-10-02 |
| 204.51.235.0/24 | United States | not found | 17 | 2026-10-02 |
| 204.232.128.0/18 | United States | not found | 17 | 2026-10-02 |
| 204.232.224.0/19 | United States | not found | 17 | 2026-10-02 |
| 207.97.192.0/18 | United States | not found | 17 | 2026-10-02 |
| 209.0.201.0/24 | United States | not found | 16 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:4802::/32 | United States | not found | 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.