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Autonomous System

AS33070

Rackspace Hosting

Announced IPs
798,976
CIDR prefixes
109
ASN
AS33070

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.

47/100
Caution
How this score is built
  • Baseline (neutral) 65
  • Multiple-origin (MOAS) routing anomaly −12
  • Hosting allocation −6
  • Trust score 47 / 100

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

About Rackspace Technology

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

Founded
1998
Headquarters
San Antonio
Industry
web hosting service
Employees
4,852

⚠ 2 MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS33070 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)
199.253.207.0/24 AS33070, AS36086 2026-07-22 20:53:23
69.20.95.0/24 AS27357, AS33070 2026-07-22 20:53:23

Network profile

Source: PeeringDB →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
67.192.0.0/16 65.5K
8.4%
Rackspace Hosting US
72.32.0.0/16 65.5K
14.4%
Rackspace Hosting US Texas San Antonio
148.62.0.0/16 65.5K
0.8%
Rackspace Hosting US
174.143.0.0/16 65.5K
0.0%
Rackspace Hosting US Texas San Antonio
72.3.128.0/17 32.8K
19.8%
Rackspace Hosting US Georgia Kennesaw
72.233.0.0/17 32.8K
98.0%
Rackspace Hosting US
98.129.0.0/17 32.8K
6.0%
Rackspace Hosting US
174.143.128.0/17 32.8K
45.8%
Rackspace Hosting US
23.253.64.0/18 16.4K
1.2%
Rackspace Hosting US
50.56.192.0/18 16.4K
66.4%
Rackspace Hosting US
72.232.64.0/18 16.4K
87.0%
Rackspace Hosting US
72.232.192.0/18 16.4K
98.3%
Rackspace Hosting US
74.205.64.0/18 16.4K
16.7%
Rackspace Hosting US
98.129.128.0/18 16.4K
5.5%
Rackspace Hosting US
166.78.0.0/18 16.4K
0.7%
Rackspace Hosting US
166.78.128.0/18 16.4K
0.5%
Rackspace Hosting US
173.203.192.0/18 16.4K
59.8%
Rackspace Hosting US
174.143.0.0/18 16.4K
9.6%
Rackspace Hosting US
198.101.192.0/18 16.4K
40.8%
Rackspace Hosting US
23.253.224.0/19 8.2K
1.2%
Rackspace Hosting US Oklahoma Sayre
50.56.160.0/19 8.2K
22.7%
Rackspace Hosting US Texas Dallas
64.39.0.0/19 8.2K
27.6%
Rackspace Hosting US
64.49.192.0/19 8.2K
18.0%
Rackspace Hosting US
66.216.64.0/19 8.2K
16.0%
Rackspace Hosting US
67.23.0.0/19 8.2K
83.1%
Rackspace Hosting US
72.232.32.0/19 8.2K
74.6%
Rackspace Hosting US
72.232.160.0/19 8.2K
94.9%
Rackspace Hosting US
74.205.32.0/19 8.2K
9.1%
Rackspace Hosting US
98.129.192.0/19 8.2K
7.5%
Rackspace Hosting US
104.130.128.0/19 8.2K
1.2%
Rackspace Hosting US
104.239.128.0/19 8.2K
1.4%
Rackspace Hosting US
108.166.64.0/19 8.2K
78.9%
Rackspace Hosting US
162.242.128.0/19 8.2K
1.2%
Rackspace Hosting US
172.99.96.0/19 8.2K
0.3%
Rackspace Hosting US
174.143.96.0/19 8.2K
4.9%
Rackspace Hosting US
192.237.192.0/19 8.2K
0.8%
Rackspace Hosting US
198.61.192.0/19 8.2K
23.5%
Rackspace Hosting US Texas Dallas
204.232.192.0/19 8.2K
43.3%
Rackspace Hosting US
209.61.128.0/19 8.2K
20.5%
Rackspace Hosting US
209.114.32.0/19 8.2K
37.9%
Rackspace Hosting US
50.56.128.0/20 4.1K
12.3%
Rackspace Hosting US
64.49.240.0/20 4.1K
29.1%
Rackspace Hosting US
65.61.160.0/20 4.1K
17.4%
Rackspace Hosting US
66.216.96.0/20 4.1K
27.9%
Rackspace Hosting US
67.23.32.0/20 4.1K
79.4%
Rackspace Hosting US
72.232.0.0/20 4.1K
97.7%
Rackspace Hosting US
72.232.128.0/20 4.1K
93.2%
Rackspace Hosting US
98.129.240.0/20 4.1K
3.4%
Rackspace Hosting US
104.130.240.0/20 4.1K
0.6%
Rackspace Hosting US
108.171.176.0/20 4.1K
77.4%
Rackspace Hosting US
162.209.64.0/20 4.1K
2.5%
Rackspace Hosting US
174.143.64.0/20 4.1K
7.0%
Rackspace Hosting US Texas San Antonio
209.61.176.0/20 4.1K
28.2%
Rackspace Hosting US
216.110.32.0/20 4.1K
7.9%
Rackspace Hosting US
50.56.152.0/21 2.0K
2.5%
Rackspace Hosting US
64.49.224.0/21 2.0K
8.1%
Rackspace Hosting US
65.61.128.0/21 2.0K
15.5%
Rackspace Hosting US
65.61.176.0/21 2.0K
12.3%
Rackspace Hosting US
66.216.120.0/21 2.0K
35.8%
Rackspace Hosting US
72.232.16.0/21 2.0K
99.4%
Rackspace Hosting US
72.232.152.0/21 2.0K
99.6%
Rackspace Hosting US
98.129.232.0/21 2.0K
47.1%
Rackspace Hosting US
104.239.240.0/21 2.0K
1.1%
Rackspace Hosting US
146.88.104.0/21 2.0K
2.4%
Rackspace Hosting US
147.75.0.0/21 2.0K
0.8%
Rackspace Hosting US
173.45.248.0/21 2.0K
81.3%
Rackspace Hosting US
174.143.88.0/21 2.0K
5.6%
Rackspace Hosting US
198.254.64.0/21 2.0K
0.0%
Rackspace Hosting US
209.61.168.0/21 2.0K
19.1%
Rackspace Hosting US
209.163.232.0/21 2.0K
8.2%
Rackspace Hosting US
50.56.144.0/22 1.0K
1.8%
Rackspace Hosting US
64.49.236.0/22 1.0K
9.9%
Rackspace Hosting US
65.61.136.0/22 1.0K
19.5%
Rackspace Hosting US
65.61.148.0/22 1.0K
14.1%
Rackspace Hosting US
65.61.156.0/22 1.0K
27.8%
Rackspace Hosting US
66.216.112.0/22 1.0K
10.1%
Rackspace Hosting US
98.129.224.0/22 1.0K
2.8%
Rackspace Hosting US
104.130.124.0/22 1.0K
3.9%
Rackspace Hosting US
146.88.96.0/22 1.0K
3.3%
Rackspace Hosting US
146.88.116.0/22 1.0K
1.9%
Rackspace Hosting US
151.106.224.0/22 1.0K
0.0%
Rackspace Hosting US
162.218.136.0/22 1.0K
9.9%
Rackspace Hosting US Texas Richardson
166.86.4.0/22 1.0K
12.8%
Rackspace Hosting US
174.143.84.0/22 1.0K
4.9%
Rackspace Hosting US
198.90.20.0/22 1.0K
7.4%
Rackspace Hosting US
199.79.48.0/22 1.0K
10.0%
Rackspace Hosting US
199.168.172.0/22 1.0K
14.3%
Rackspace Hosting US
199.204.136.0/22 1.0K
17.1%
Rackspace Hosting US
208.95.156.0/22 1.0K
0.7%
Rackspace Hosting US
209.61.160.0/22 1.0K
15.4%
Rackspace Hosting US
209.163.248.0/22 1.0K
5.2%
Rackspace Hosting US
64.49.234.0/23 512
14.6%
Rackspace Hosting US
65.61.144.0/23 512
3.3%
Rackspace Hosting US
65.61.154.0/23 512
27.7%
Rackspace Hosting US
65.61.184.0/23 512
9.8%
Rackspace Hosting US
65.61.190.0/23 512
4.9%
Rackspace Hosting US
66.216.118.0/23 512
5.7%
Rackspace Hosting US
98.129.230.0/23 512
0.0%
Rackspace Hosting US
174.143.82.0/23 512
19.3%
Rackspace Hosting US
199.47.220.0/23 512
6.4%
Rackspace Hosting US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS33070 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
166.86.4.0/22 9,899 2026-07-22 20:15:57
208.95.156.0/22 9,888 2026-07-22 20:15:57
162.209.64.0/20 9,481 2026-07-22 20:46:02
65.61.188.0/22 9,472 2026-07-22 20:46:04
173.45.248.0/21 9,460 2026-07-22 20:46:04
104.239.128.0/19 9,423 2026-07-22 20:46:02
104.239.240.0/21 9,396 2026-07-22 20:46:04
72.36.247.0/24 9,356 2026-07-22 20:46:04
72.232.0.0/16 9,230 2026-07-22 20:15:57
50.56.152.0/21 8,765 2026-07-22 20:46:02
23.253.224.0/19 8,764 2026-07-22 20:46:02
66.216.120.0/21 8,744 2026-07-22 20:45:49
65.61.184.0/23 8,737 2026-07-22 20:46:04
64.49.236.0/22 8,736 2026-07-22 20:46:02
66.216.118.0/23 8,726 2026-07-22 20:46:02
65.61.136.0/22 8,719 2026-07-22 20:45:49
66.216.112.0/22 8,714 2026-07-22 20:46:02
72.3.128.0/17 8,713 2026-07-22 20:45:49
65.61.128.0/21 8,696 2026-07-22 20:46:04
64.49.192.0/19 8,695 2026-07-22 20:46:04
64.49.240.0/20 8,694 2026-07-22 20:46:04
67.23.32.0/20 8,690 2026-07-22 20:46:04
65.61.176.0/21 8,690 2026-07-22 20:46:04
50.56.144.0/22 8,688 2026-07-22 20:46:04
64.49.224.0/21 8,687 2026-07-22 20:46:04
65.61.153.0/24 8,685 2026-07-22 20:46:04
98.129.230.0/23 8,684 2026-07-22 20:46:02
50.56.192.0/18 8,684 2026-07-22 20:46:04
23.253.64.0/18 8,681 2026-07-22 20:46:04
98.129.224.0/22 8,680 2026-07-22 20:45:49
72.32.0.0/16 8,679 2026-07-22 20:46:04
65.61.154.0/23 8,679 2026-07-22 20:46:04
98.129.192.0/19 8,677 2026-07-22 20:46:02
50.56.160.0/19 8,675 2026-07-22 20:46:04
66.216.64.0/19 8,675 2026-07-22 20:46:04
65.61.144.0/23 8,673 2026-07-22 20:46:04
65.61.156.0/22 8,673 2026-07-22 20:46:04
65.61.140.0/24 8,672 2026-07-22 20:46:02
65.61.160.0/20 8,672 2026-07-22 20:46:04
148.62.0.0/16 8,671 2026-07-22 20:46:02
173.203.192.0/18 8,671 2026-07-22 20:46:02
98.129.228.0/24 8,671 2026-07-22 20:46:02
65.61.148.0/22 8,670 2026-07-22 20:46:04
64.49.234.0/23 8,668 2026-07-22 20:46:02
108.166.64.0/20 8,666 2026-07-22 20:46:02
174.143.0.0/16 8,658 2026-07-22 20:46:02
98.129.128.0/18 8,656 2026-07-22 20:46:02
67.192.0.0/16 8,655 2026-07-22 20:46:04
74.205.64.0/18 8,646 2026-07-22 20:46:04
74.205.32.0/19 8,644 2026-07-22 20:46:04

Showing top 50 of 122 announced prefixes by sample volume.

Frequently Asked Questions

What is AS33070?

AS33070 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 AS33070 announce?

AS33070 announces 799.0K IPv4 addresses distributed across 109 routed CIDR prefixes. The network is registered in United States.

Who operates AS33070?

AS33070 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 AS33070 registered in?

AS33070 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: 2026-07-22 20:55:32 UTC
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