AS27357 Rackspace Hosting
Unclassified · based in United States · IPLogs default verdict: Checked per IP
- ASN
- AS27357
- Name
- Rackspace Hosting
- Category
- Unclassified
- Country
- United States
- IPLogs verdict
- Checked per IP
- Registry
- ARIN
- Allocated
- 2003-02-20
- PeeringDB
- Not listed
- Proxy backbone
- No
About Rackspace Hosting
Rackspace Hosting (AS27357) is registered with ARIN in United States and was allocated on 2003-02-20. Not enough registry signal to classify the whole ASN. IPLogs still classifies individual IPs in it via MaxMind, reverse DNS, and active probing.
How IPLogs classifies AS27357
When the detection engine sees an IP that routes through AS27357, it checks three lists: (1) the curated VPN-provider ASN list, (2) the datacenter / hosting ASN list, and (3) the trusted CDN allowlist. Matches produce one of vpn_asn, dc_ip, or no flag respectively. Keywords in the org name (e.g. "vpn", "proxy", "anonym") may also trigger vpn_org_keyword even for unknown ASNs.
Use the ASN as a shortcut when you want to block a whole hosting provider at the edge rather than maintaining a per-IP list.
Authoritative sources for AS27357
Third-party registries where you can verify the announcements, peer relationships, and WHOIS registration for this ASN.
Frequently asked questions about AS27357
+Is AS27357 (Rackspace Hosting) a VPN, datacenter, or residential network?
IPLogs classifies Rackspace Hosting (AS27357) as a unclassified network based in United States. The default verdict for any IP that routes through this ASN is "Checked per IP".
+Who operates AS27357 and where is it registered?
Rackspace Hosting (AS27357) is registered with ARIN, operates in United States, was allocated on 2003-02-20.
+How do I check or block AS27357 traffic?
Send any suspect IP to the IPLogs API — POST https://iplogs.com/v1/check with body {"ip":"<ip>"} — and the response reports the originating ASN plus whether it matched the VPN, datacenter, or CDN lists. To block a whole hosting network at the edge, filter on AS27357 instead of maintaining a per-IP list. Copy-paste recipes for Cloudflare WAF, Nginx, and Stripe Radar are at /guides/block-vpn-traffic.