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CIDR
/20 · 4.1K IPs
ASN
prgmr.com, Inc.
Reverse DNS
durak.org
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)
durak.org
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
86400 s
Reverse DNS last checked
2026-09-22 15:20 UTC

Forward DNS records for durak.org

TypeValuePriorityTTL
A 71.19.148.133 86400s
MX smtp.google.com 10
NS ns1.durak.org
NS ns2.durak.org
NS ns3.durak.org
NS ns4.durak.org
TXT ahrefs-site-verification_955ad6e62232e281a169d1aa4ff69a2989d7023d85670b8a1df5c798f5c8f695
TXT google-site-verification=2WaUxTmvj-Q1MHuHkm1TD9X24-hwD-ghsdPJKTxHdho
TXT google-site-verification=ZlPRfIPvKFCa1BRnBuPUywvj5vbIdTWpJ_EL127KoMI
TXT have-i-been-pwned-verification=0c54d8980bff16ad37799ac47144c74b
TXT v=DMARC1; p=reject; rua=mailto:postminion@durak.org!10m; rf=afrf; pct=100; ri=86400
TXT v=spf1 include:_spf.google.com ip4:71.19.148.133/32 a mx mx:durak.org -all
TXT yandex-verification: 8a5da326a39b1c5a
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 71.19.148.133

CIDR range
71.19.144.0/20
IP range (int)
1,192,464,384 — 1,192,468,479
Prefix length
/20
Organization
prgmr.com, Inc.
ASN
AS47066
ASN name
prgmr.com, Inc.
Location
Santa Clara, California, United States
Coordinates
37.353000, -121.954400
Accuracy radius
20 km
Postal code
95052
Regional Internet Registry
ARIN
Allocated
2011-06-06
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-09-22 04:06:31

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

Announced prefix
Origin AS
Announcement samples
56,289
Last seen
2026-09-22 20:18:55

Frequently Asked Questions

Who owns 71.19.148.133?

71.19.148.133 is allocated to prgmr.com, Inc. (AS47066), registered in Santa Clara, United States.

Where is 71.19.148.133 located?

The geolocation for 71.19.148.133 maps to Santa Clara, United States 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 71.19.148.133 on?

71.19.148.133 belongs to the 71.19.144.0/20 network block announced by AS47066. This range contains 4,096 addresses.

Does 71.19.148.133 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: 2026-09-22 04:50:02 UTC
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