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CIDR
/22 · 1.0K IPs
ASN
COLT Technology Services Group Limited
Reverse DNS
pw-ether71.31060002-lo0-sr1.ams.router.colt.net
Last scanned 12 hr ago
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.

86/100
Trusted
How this score is built

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

DNS records

Reverse DNS (PTR)
pw-ether71.31060002-lo0-sr1.ams.router.colt.net
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
3600 s
Reverse DNS last checked
2026-07-17 23:27 UTC
Forward DNS last checked
2026-07-17 23:27 UTC
every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Network Allocation for 212.123.215.120

CIDR range
212.123.212.0/22
IP range (int)
3,564,884,992 — 3,564,886,015
Prefix length
/22
Organization
COLT Technology Services Group Limited
ASN
AS8220
ASN name
COLT Technology Services Group Limited
Location
Amsterdam, North Holland, The Netherlands
Coordinates
52.371600, 4.888300
Accuracy radius
20 km
Postal code
1012
Regional Internet Registry
RIPE
Allocated
2000-10-03
Data source(s)
maxmind_city, maxmind_country, ipinfo_lite, maxmind_asn
Last updated
2026-07-11 09:24:54

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

Announced prefix
Origin AS
Announcement samples
3,733
Last seen
2026-07-18 10:51:58

Frequently Asked Questions

Who owns 212.123.215.120?

212.123.215.120 is allocated to COLT Technology Services Group Limited (AS8220), registered in Amsterdam, The Netherlands.

Where is 212.123.215.120 located?

The geolocation for 212.123.215.120 maps to Amsterdam, The Netherlands 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 212.123.215.120 on?

212.123.215.120 belongs to the 212.123.212.0/22 network block announced by AS8220. This range contains 1,024 addresses.

Does 212.123.215.120 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: 2026-07-18 09:11:02 UTC
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