Skip to main content
WorldIP.io
Autonomous System

AS19994

Rackspace Hosting

Announced IPs
537,088
CIDR prefixes
60
ASN
AS19994

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

53/100
Caution
How this score is built
  • Baseline (neutral) 65
  • Active-threat / abuse risk −12
  • Trust score 53 / 100

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

About Rackspace Technology

Rackspace Technology, Inc. is an American information technology cloud computing company based in San Antonio, Texas.

Founded
1998
Industry
web hosting service
Employees
4,852

⚠ 1 MOAS prefix — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS19994 is now also announced by another ASN (MOAS — Multiple-Origin AS), detected from our RIPE RIS collectors. Often benign (anycast, multi-homing, or a recent transfer) — but it can signal a route leak or prefix hijack, so it's worth inspecting.

PrefixOrigin ASNsLast detected (UTC)
65.61.188.0/24 AS15395, AS19994 2026-11-13 00:54:05

Web3 footprint

AS19994 hosts 1 observed decentralized-network node across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
161.47.0.0/16 65.5K
1.8%
Rackspace Hosting US — —
50.56.0.0/17 32.8K
55.4%
Rackspace Hosting US Illinois Chicago
50.57.0.0/17 32.8K
52.6%
Rackspace Hosting US West Virginia Greenstown
173.203.0.0/17 32.8K
51.6%
Rackspace Hosting US — —
184.106.128.0/17 32.8K
82.2%
Rackspace Hosting US — —
23.253.0.0/18 16.4K
2.9%
Rackspace Hosting US Illinois Chicago
50.57.128.0/18 16.4K
83.1%
Rackspace Hosting US — —
74.200.192.0/18 16.4K
23.9%
Rackspace Hosting US — —
108.166.0.0/18 16.4K
13.3%
Rackspace Hosting US — —
162.209.0.0/18 16.4K
2.1%
Rackspace Hosting US — —
166.78.64.0/18 16.4K
1.8%
Rackspace Hosting US — —
166.78.192.0/18 16.4K
3.3%
Rackspace Hosting US — —
184.106.64.0/18 16.4K
53.7%
Rackspace Hosting US — —
192.237.128.0/18 16.4K
1.9%
Rackspace Hosting US — —
198.61.128.0/18 16.4K
2.8%
Rackspace Hosting US Illinois Chicago
198.101.128.0/18 16.4K
12.4%
Rackspace Hosting US — —
23.253.160.0/19 8.2K
1.9%
Rackspace Hosting US — —
23.253.192.0/19 8.2K
1.3%
Rackspace Hosting US — —
50.57.192.0/19 8.2K
12.4%
Rackspace Hosting US — —
67.207.128.0/19 8.2K
67.2%
Rackspace Hosting US — —
104.130.64.0/19 8.2K
1.4%
Rackspace Hosting US Illinois Chicago
104.130.192.0/19 8.2K
2.0%
Rackspace Hosting US — —
104.239.192.0/19 8.2K
0.7%
Rackspace Hosting US — —
108.166.96.0/19 8.2K
67.9%
Rackspace Hosting US — —
162.242.160.0/19 8.2K
1.4%
Rackspace Hosting US — —
184.106.0.0/19 8.2K
5.2%
Rackspace Hosting US Illinois Chicago
192.237.224.0/19 8.2K
1.3%
Rackspace Hosting US — —
198.61.224.0/19 8.2K
7.5%
Rackspace Hosting US — —
209.20.64.0/19 8.2K
83.9%
Rackspace Hosting US — —
50.57.224.0/20 4.1K
57.6%
Rackspace Hosting US — —
69.170.128.0/20 4.1K
7.5%
Rackspace Hosting US — —
104.130.96.0/20 4.1K
4.6%
Rackspace Hosting US — —
108.171.160.0/20 4.1K
39.7%
Rackspace Hosting US Texas Dallas
162.209.80.0/20 4.1K
0.6%
Rackspace Hosting US — —
173.45.224.0/20 4.1K
82.2%
Rackspace Hosting US — —
184.106.32.0/20 4.1K
4.2%
Rackspace Hosting US — —
104.130.112.0/21 2.0K
2.0%
Rackspace Hosting US — —
147.75.8.0/21 2.0K
0.2%
Rackspace Hosting US — —
173.45.240.0/21 2.0K
92.2%
Rackspace Hosting US — —
184.106.56.0/21 2.0K
5.0%
Rackspace Hosting US — —
198.254.72.0/21 2.0K
0.0%
Rackspace Hosting US — —
208.78.96.0/21 2.0K
87.7%
Rackspace Hosting US — —
74.120.216.0/22 1.0K
6.3%
Rackspace Hosting US — —
146.88.100.0/22 1.0K
2.1%
Rackspace Hosting US — —
146.88.112.0/22 1.0K
2.9%
Rackspace Hosting US — —
146.88.120.0/22 1.0K
1.1%
Rackspace Hosting US — —
162.216.40.0/22 1.0K
9.1%
Rackspace Hosting US — —
184.106.48.0/22 1.0K
3.3%
Rackspace Hosting US — —
199.180.184.0/22 1.0K
14.2%
Rackspace Hosting US — —
204.13.108.0/22 1.0K
8.3%
Rackspace Hosting US — —
216.18.148.0/22 1.0K
0.0%
Rackspace Hosting US — —
64.49.232.0/23 512
8.8%
Rackspace Hosting US — —
66.216.116.0/23 512
0.4%
Rackspace Hosting US — —
184.106.52.0/23 512
1.2%
Rackspace Hosting US — —
199.253.200.0/23 512
0.2%
Rackspace Hosting US — —
209.61.166.0/23 512
1.8%
Rackspace Hosting US — —
134.8.2.0/24 256
0.0%
Rackspace Hosting US — —
184.106.54.0/24 256
26.6%
Rackspace Hosting US — —
204.9.188.0/24 256
62.9%
Rackspace Hosting US — —
204.51.170.0/24 256
0.8%
Rackspace Hosting US — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS19994 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
50.57.128.0/18 38,275 2026-11-13 00:40:30
64.49.232.0/23 38,198 2026-11-13 00:40:33
67.207.128.0/19 38,146 2026-11-13 00:40:33
74.200.192.0/18 38,128 2026-11-13 00:40:32
23.253.192.0/19 38,100 2026-11-13 00:34:39
23.253.160.0/19 38,003 2026-11-13 00:34:39
23.253.0.0/18 37,924 2026-11-13 00:34:39
50.57.224.0/20 37,906 2026-11-13 00:34:39
50.57.192.0/19 37,900 2026-11-13 00:34:39
50.57.0.0/17 37,889 2026-11-13 00:34:39
66.216.116.0/23 37,753 2026-11-13 00:34:39
69.170.128.0/20 37,747 2026-11-13 00:34:39
74.120.216.0/22 37,711 2026-11-13 00:34:39
50.56.0.0/17 37,665 2026-11-13 00:34:39
104.130.96.0/20 37,612 2026-11-13 00:34:39
108.166.0.0/18 37,610 2026-11-13 00:34:39
104.130.64.0/20 37,607 2026-11-13 00:34:39
108.171.160.0/20 37,605 2026-11-13 00:34:39
104.130.192.0/19 37,504 2026-11-13 00:34:39
104.239.192.0/19 37,500 2026-11-13 00:34:39
104.130.112.0/21 37,473 2026-11-13 00:34:39
108.166.96.0/19 37,460 2026-11-13 00:34:39
104.130.80.0/20 37,459 2026-11-13 00:34:39
134.8.2.0/24 37,435 2026-11-13 00:34:39
146.88.112.0/22 37,326 2026-11-13 00:40:30
147.75.8.0/22 37,083 2026-11-13 00:34:39
147.75.12.0/22 36,984 2026-11-13 00:34:39
146.88.100.0/22 36,920 2026-11-13 00:34:39
146.88.120.0/22 36,918 2026-11-13 00:34:39
184.106.54.0/24 36,901 2026-11-13 00:40:36
173.45.224.0/20 36,849 2026-11-13 00:40:37
161.47.0.0/18 36,783 2026-11-13 00:34:39
162.242.160.0/19 36,745 2026-11-13 00:34:39
161.47.64.0/18 36,722 2026-11-13 00:34:39
162.216.40.0/22 36,721 2026-11-13 00:34:39
161.47.128.0/17 36,714 2026-11-13 00:34:39
162.209.80.0/20 36,693 2026-11-13 00:34:39
166.78.64.0/18 36,686 2026-11-13 00:34:39
162.209.0.0/18 36,682 2026-11-13 00:34:39
166.78.192.0/18 36,680 2026-11-13 00:34:39
184.106.52.0/23 36,631 2026-11-13 00:40:32
173.203.0.0/17 36,609 2026-11-13 00:34:39
173.45.240.0/21 36,571 2026-11-13 00:34:39
184.106.56.0/21 36,304 2026-11-13 00:34:39
184.106.64.0/18 36,259 2026-11-13 00:34:39
184.106.0.0/19 36,245 2026-11-13 00:34:39
184.106.32.0/20 36,235 2026-11-13 00:34:39
184.106.48.0/22 36,215 2026-11-13 00:34:39
184.106.128.0/17 36,213 2026-11-13 00:34:39
204.51.170.0/24 35,097 2026-11-13 00:34:39

Showing top 50 of 67 announced prefixes by sample volume.

Frequently Asked Questions

What is AS19994?

AS19994 is an Autonomous System Number assigned to Rackspace Hosting. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS19994 announce?

AS19994 announces 537.1K IPv4 addresses distributed across 60 routed CIDR prefixes. The network is registered in United States.

Who operates AS19994?

AS19994 is operated by Rackspace Hosting. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS19994 registered in?

AS19994 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-13 00:54:05 UTC
Share