$ query “AS27357” --type=asn → 1 result(s)

AS27357 · RACKSPACE-IAD

Rackspace Hosting

AS27357 is run by Rackspace Hosting and is a hosting access provider, established in the United States in 2017. The system announces a solid 263 936 IPv4 addresses, including a /16, and supports IPv6. Its primary geographic footprint is in the United States, with additional presence in the United Kingdom and Canada, and smaller footprints in 16 additional countries.

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
February 16, 2017
Last Changed
May 10, 2026
Last Seen
June 27, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
38 / 34
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
263 936
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 United States (361 728 IPs), 🇬🇧 United Kingdom (560 IPs), 🇨🇦 Canada (304 IPs) and 16 more
Prefix Changed
May 13, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 263 936 total (0.00%)

Connectivity Summary

Upstream Providers
1 upstream providing transit
Downstream Customers
1 downstream buying transit
Degree
2 unique BGP neighbors
Reach
1 network in customer cone

Upstream Providers (1)

Prefix Lists

IPv4 Prefixes (38 total)

  • 146.20.0.0/16 (65 536 addresses (/16 prefix))
  • 69.20.0.0/17 (32 768 addresses (/17 prefix))
  • 104.130.0.0/18 (16 384 addresses (/18 prefix))
  • 207.97.192.0/18 (16 384 addresses (/18 prefix))
  • 204.232.128.0/18 (16 384 addresses (/18 prefix))
  • 173.203.128.0/18 (16 384 addresses (/18 prefix))
  • 162.242.192.0/18 (16 384 addresses (/18 prefix))
  • 74.205.0.0/19 (8 192 addresses (/19 prefix))
  • 204.232.224.0/19 (8 192 addresses (/19 prefix))
  • 172.99.64.0/19 (8 192 addresses (/19 prefix))
  • 162.209.96.0/19 (8 192 addresses (/19 prefix))
  • 104.130.160.0/19 (8 192 addresses (/19 prefix))
  • 23.253.128.0/19 (8 192 addresses (/19 prefix))
  • 104.239.160.0/19 (8 192 addresses (/19 prefix))
  • 104.130.224.0/20 (4 096 addresses (/20 prefix))
  • 104.239.224.0/20 (4 096 addresses (/20 prefix))
  • 159.135.64.0/20 (4 096 addresses (/20 prefix))
  • 72.4.112.0/20 (4 096 addresses (/20 prefix))
  • 104.239.248.0/21 (2 048 addresses (/21 prefix))
  • 198.210.16.0/21 (2 048 addresses (/21 prefix))
  • 142.0.184.0/22 (1 024 addresses (/22 prefix))
  • 104.130.120.0/22 (1 024 addresses (/22 prefix))
  • 65.61.186.0/23 (512 addresses (/23 prefix))
  • 65.61.142.0/23 (512 addresses (/23 prefix))
  • 65.61.146.0/23 (512 addresses (/23 prefix))
  • 159.135.254.0/24 (256 addresses (/24 prefix))
  • 192.68.40.0/24 (256 addresses (/24 prefix))
  • 173.204.89.0/24 (256 addresses (/24 prefix))
  • 204.51.224.0/24 (256 addresses (/24 prefix))
  • 204.51.235.0/24 (256 addresses (/24 prefix))
  • 65.61.152.0/24 (256 addresses (/24 prefix))
  • 156.43.59.0/24 (256 addresses (/24 prefix))
  • 65.61.141.0/24 (256 addresses (/24 prefix))
  • 209.0.201.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (1 total)

  • 2001:4802::/32