AS19994 — RACKSPACE
Network type: hosting
AS19994 announces 60 IPv4 prefixes covering 537,088 addresses and 1 IPv6 prefixes.
About this network
Rackspace Hosting (RACKSPACE) — a US managed-hosting and multicloud provider, headquartered in San Antonio, Texas. This is one of several Rackspace ASNs.
What it's used for
- Managed dedicated servers, private/hybrid cloud, and managed services for business customers out of Rackspace datacenters.
Notable
- A hosting network: an IP here identifies Rackspace as the host, not the operator of whatever runs on it.
- Rackspace runs several ASNs across its US, UK, and other regional datacenters.
Interesting
- Rackspace built its brand on "Fanatical Support" managed hosting, and co-founded OpenStack with NASA in 2010.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 23.253.0.0/18
- 23.253.160.0/19
- 23.253.192.0/19
- 50.56.0.0/17
- 50.57.0.0/17
- 50.57.128.0/18
- 50.57.192.0/19
- 50.57.224.0/20
- 64.49.232.0/23
- 66.216.116.0/23
- 67.207.128.0/19
- 69.170.128.0/20
- 74.120.216.0/22
- 74.200.192.0/18
- 104.130.64.0/19
- 104.130.96.0/20
- 104.130.112.0/21
- 104.130.192.0/19
- 104.239.192.0/19
- 108.166.0.0/18
- 108.166.96.0/19
- 108.171.160.0/20
- 134.8.2.0/24
- 146.88.100.0/22
- 146.88.112.0/22
- 146.88.120.0/22
- 147.75.8.0/21
- 161.47.0.0/16
- 162.209.0.0/18
- 162.209.80.0/20
- 162.216.40.0/22
- 162.242.160.0/19
- 166.78.64.0/18
- 166.78.192.0/18
- 173.45.224.0/20
- 173.45.240.0/21
- 173.203.0.0/17
- 184.106.0.0/19
- 184.106.32.0/20
- 184.106.48.0/22
- 184.106.52.0/23
- 184.106.54.0/24
- 184.106.56.0/21
- 184.106.64.0/18
- 184.106.128.0/17
- 192.237.128.0/18
- 192.237.224.0/19
- 198.61.128.0/18
- 198.61.224.0/19
- 198.101.128.0/18
- 198.254.72.0/21
- 199.180.184.0/22
- 199.253.200.0/23
- 204.9.188.0/24
- 204.13.108.0/22
- 204.51.170.0/24
- 208.78.96.0/21
- 209.20.64.0/19
- 209.61.166.0/23
- 216.18.148.0/22
- 2001:4801::/32
Upstream networks
- AS12200 Rackspace Hosting
Downstream networks
- AS396479 Mailgun Technologies Inc.
Adjacent networks
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IPv4 Prefixes
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⚠ SUSPICIOUS PREFIX ANNOUNCEMENTS DETECTED