Skip to main content
CIDR
/23 · 512 IPs
ASN
COLT Technology Services Group Limited
Reverse DNS
No PTR record
Blocklisted
Checking…
Scanning blocklists

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.

76/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network Allocation for 57.133.218.161

CIDR range
57.133.218.0/23
IP range (int)
965,073,408 — 965,073,919
Prefix length
/23
Organization
COLT Technology Services Group Limited
ASN
AS8220
ASN name
COLT Technology Services Group Limited
Location
Wimbledon, England, United Kingdom
Coordinates
51.422300, -0.198400
Accuracy radius
10 km
Postal code
SW19
Regional Internet Registry
RIPE
Allocated
1993-06-21
Data source(s)
maxmind_city, maxmind_country, ipinfo_lite, maxmind_asn
Last updated
2026-09-10 05:20:55

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
6,609
Last seen
2026-09-10 21:45:09

Frequently Asked Questions

Who owns 57.133.218.161?

57.133.218.161 is allocated to COLT Technology Services Group Limited (AS8220), registered in Wimbledon, United Kingdom.

Where is 57.133.218.161 located?

The geolocation for 57.133.218.161 maps to Wimbledon, United Kingdom based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 57.133.218.161 on?

57.133.218.161 belongs to the 57.133.218.0/23 network block announced by AS8220. This range contains 512 addresses.

Does 57.133.218.161 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-09-10 21:57:54 UTC
Share