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CIDR
/21 · 2.0K IPs
ASN
Xtreme Networks Limited
Reverse DNS
203-171-55-58.static-xtreme.net.nz
Last scanned 1 days 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.

81/100
Trusted
How this score is built

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

DNS records

Reverse DNS (PTR)
203-171-55-58.static-xtreme.net.nz
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
86400 s
Reverse DNS last checked
2026-09-26 07:04 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 203.171.55.58

CIDR range
203.171.48.0/21
IP range (int)
3,416,993,792 — 3,416,995,839
Prefix length
/21
Organization
Xtreme Networks Limited
ASN
AS18400
ASN name
Xtreme Networks Limited
Location
Wellington, Wellington Region, New Zealand
Coordinates
-41.286900, 174.780400
Accuracy radius
10 km
Postal code
6021
Regional Internet Registry
APNIC
Allocated
2008-10-06
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-09-27 05:25:37

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

Announced prefix
Origin AS
Announcement samples
32,874
Last seen
2026-09-27 18:59:48

Frequently Asked Questions

Who owns 203.171.55.58?

203.171.55.58 is allocated to Xtreme Networks Limited (AS18400), registered in Wellington, New Zealand.

Where is 203.171.55.58 located?

The geolocation for 203.171.55.58 maps to Wellington, New Zealand 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 203.171.55.58 on?

203.171.55.58 belongs to the 203.171.48.0/21 network block announced by AS18400. This range contains 2,048 addresses.

Does 203.171.55.58 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: 2026-09-27 07:41:45 UTC
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