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CIDR
/19 · 8.2K IPs
ASN
Saint Petersburg State University
Reverse DNS
photw11.phys.spbu.ru
Last scanned 13 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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
photw11.phys.spbu.ru
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
3600 s
Reverse DNS last checked
2026-07-29 05:46 UTC
Forward DNS last checked
2026-07-29 05:46 UTC

Forward DNS records for photw11.phys.spbu.ru

TypeValuePriorityTTL
A 195.19.234.140 172235s
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 195.19.234.140

CIDR range
195.19.224.0/19
IP range (int)
3,272,859,648 — 3,272,867,839
Prefix length
/19
Organization
Saint Petersburg State University
ASN
AS5495
ASN name
Saint Petersburg State University
Location
Russia
Coordinates
55.738600, 37.606800
Accuracy radius
1000 km
Regional Internet Registry
RIPE
Allocated
1997-04-09
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-11 00:20:45

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

Announced prefix
Origin AS
Announcement samples
18,207
Last seen
2026-07-29 18:59:24

Frequently Asked Questions

Who owns 195.19.234.140?

195.19.234.140 is allocated to Saint Petersburg State University (AS5495), registered in Russia.

Where is 195.19.234.140 located?

The geolocation for 195.19.234.140 maps to Russia 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 195.19.234.140 on?

195.19.234.140 belongs to the 195.19.224.0/19 network block announced by AS5495. This range contains 8,192 addresses.

Does 195.19.234.140 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: 2026-07-29 19:15:13 UTC
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