Skip to main content
CIDR
/20 · 4.1K IPs
ASN
Rostelecom
Reverse DNS
mail.rn-oil.com
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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
mail.rn-oil.com
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
43200 s
Reverse DNS last checked
2026-09-23 15:02 UTC
Forward DNS last checked
2026-09-23 15:02 UTC

Forward DNS records for mail.rn-oil.com

TypeValuePriorityTTL
A 83.171.113.149 172800s
TXT _globalsign-domain-verification=gHSMRxjuYI9Mvh9aIHQn7NkGFmuDPU6iDgQkoens5L
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 83.171.113.149

CIDR range
83.171.112.0/20
IP range (int)
1,403,744,256 — 1,403,748,351
Prefix length
/20
Organization
Rostelecom
ASN
AS12389
ASN name
Rostelecom
Location
St Petersburg, St Petersburg, Russia
Coordinates
59.941700, 30.309600
Accuracy radius
200 km
Postal code
195213
Regional Internet Registry
RIPE
Allocated
2004-04-22
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-08-04 04:06:36

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

Announced prefix
Origin AS
Announcement samples
39,158
Last seen
2026-09-24 02:38:07

Frequently Asked Questions

Who owns 83.171.113.149?

83.171.113.149 is allocated to Rostelecom (AS12389), registered in St Petersburg, Russia.

Where is 83.171.113.149 located?

The geolocation for 83.171.113.149 maps to St Petersburg, 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 83.171.113.149 on?

83.171.113.149 belongs to the 83.171.112.0/20 network block announced by AS12389. This range contains 4,096 addresses.

Does 83.171.113.149 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: 2026-09-24 03:02:03 UTC
Share