$ query “AS12200” --type=asn → 1 result(s)

AS12200 · RACKSPACE

Rackspace Hosting

AS12200 is run by Rackspace Hosting and is a mid-size transit provider, registered in the United States since 2015. The system announces 6 656 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the United States, with additional presence in the United Kingdom and Ireland. This AS has recently updated its prefix announcements.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
October 06, 2015
Last Changed
May 10, 2026
Last Seen
June 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
15 / 14
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
6 656
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/48
Geolocated Countries
🇺🇸 United States (5 376 IPs), 🇬🇧 United Kingdom (1 024 IPs), 🇮🇪 Ireland (256 IPs)
Prefix Changed
June 20, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
9 upstreams providing transit
Peers
191 networks exchanging traffic without transit
Downstream Customers
20 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
222 unique BGP neighbors
Reach
27 networks in customer cone

Upstream Providers (9)

  • AS174 — COGENT (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS6461 — MFNX (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS13237 — LAMBDANET-AS
  • AS4826 — VOCUS-BACKBONE-AS
  • AS32787 — PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK
  • AS57304 — RETNRU-AS
  • AS32097 — WHOLESALE-INTERNET

Prefix Lists

IPv4 Prefixes (15 total)

  • 146.20.220.0/22 (1 024 addresses (/22 prefix))
  • 208.95.152.0/22 (1 024 addresses (/22 prefix))
  • 166.86.0.0/22 (1 024 addresses (/22 prefix))
  • 199.253.202.0/23 (512 addresses (/23 prefix))
  • 146.177.20.0/23 (512 addresses (/23 prefix))
  • 199.253.204.0/23 (512 addresses (/23 prefix))
  • 146.177.56.0/24 (256 addresses (/24 prefix))
  • 174.143.80.0/24 (256 addresses (/24 prefix))
  • 192.65.36.0/24 (256 addresses (/24 prefix))
  • 171.33.145.0/24 (256 addresses (/24 prefix))
  • 146.177.74.0/24 (256 addresses (/24 prefix))
  • 204.9.96.0/24 (256 addresses (/24 prefix))
  • 205.143.66.0/24 (256 addresses (/24 prefix))
  • 66.70.24.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (1 total)

  • 2607:e3c0:a042::/48