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CIDR
/20 · 4.1K IPs
ASN
Slovak Telekom, a.s.
Reverse DNS
static-dsl-73.87-197-138.telecom.sk
Last scanned 17 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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
static-dsl-73.87-197-138.telecom.sk
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
86400 s
Reverse DNS last checked
2026-07-18 15:34 UTC
Forward DNS last checked
2026-07-18 15:34 UTC

Forward DNS records for static-dsl-73.87-197-138.telecom.sk

TypeValuePriorityTTL
A 87.197.138.73 172800s
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 87.197.138.73

CIDR range
87.197.128.0/20
IP range (int)
1,472,561,152 — 1,472,565,247
Prefix length
/20
Organization
Slovak Telekom, a.s.
ASN
AS6855
ASN name
Slovak Telekom, a.s.
Location
Levice, Nitra Region, Slovakia
Coordinates
48.215700, 18.604500
Accuracy radius
100 km
Postal code
934 01
Regional Internet Registry
RIPE
Allocated
2005-06-29
Data source(s)
maxmind_city, maxmind_asn, maxmind_country, ipinfo_lite
Last updated
2026-07-11 09:22:09

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

Announced prefix
Origin AS
Announcement samples
4,189
Last seen
2026-07-18 16:32:03

Frequently Asked Questions

Who owns 87.197.138.73?

87.197.138.73 is allocated to Slovak Telekom, a.s. (AS6855), registered in Levice, Slovakia.

Where is 87.197.138.73 located?

The geolocation for 87.197.138.73 maps to Levice, Slovakia 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 87.197.138.73 on?

87.197.138.73 belongs to the 87.197.128.0/20 network block announced by AS6855. This range contains 4,096 addresses.

Does 87.197.138.73 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: 2026-07-18 10:51:18 UTC
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