Skip to main content
CIDR
/19 · 8.2K IPs
ASN
Rackdog LLC
Reverse DNS
undefined.hostname.localhost
Last scanned 16 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.

85/100
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)
undefined.hostname.localhost
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
120 s
Reverse DNS last checked
2026-07-19 19:41 UTC
Forward DNS last checked
2026-07-19 19:41 UTC

Forward DNS records for undefined.hostname.localhost

TypeValuePriorityTTL
A 127.0.0.1 10752s
AAAA ::1 10752s
NS localhost
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 149.51.167.195

CIDR range
149.51.160.0/19
IP range (int)
2,503,188,480 — 2,503,196,671
Prefix length
/19
Organization
Rackdog, LLC
ASN
AS154395
ASN name
Rackdog LLC
Location
Tsuen Wan, Tsuen Wan District, Hong Kong
Coordinates
22.363800, 114.109100
Accuracy radius
20 km
Regional Internet Registry
ARIN
Allocated
1992-01-28
Data source(s)
maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
Last updated
2026-07-08 06:22:17

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

Announced prefix
Origin AS
Announcement samples
293,477
Last seen
2026-07-19 22:31:12

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.

Date Event From To
2026-05-10 New Allocation US

See the full history for 149.51.128.0/18.

Frequently Asked Questions

Who owns 149.51.167.195?

149.51.167.195 is allocated to Rackdog, LLC (AS154395), registered in Tsuen Wan, Hong Kong.

Where is 149.51.167.195 located?

The geolocation for 149.51.167.195 maps to Tsuen Wan, Hong Kong 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 149.51.167.195 on?

149.51.167.195 belongs to the 149.51.160.0/19 network block announced by AS154395. This range contains 8,192 addresses.

Does 149.51.167.195 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: 2026-07-19 18:37:14 UTC
Share