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CIDR
/20 · 4.1K IPs
ASN
Telecom Liechtenstein AG
Reverse DNS
dialin.telcoli.li
Last scanned 2 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.

86/100
Trusted
How this score is built

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
portal.telcoli.li
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
3600 s
Reverse DNS last checked
2026-10-01 00:01 UTC
Forward DNS last checked
2026-10-01 00:01 UTC
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.

Reverse DNS history

How this IP's reverse DNS (PTR) has changed over time, from our scans.

This IP's reverse DNS changes frequently — the timeline below shows the most recent changes.

Reverse-DNS changes between Sep 30, 2026 and Oct 1, 2026 were not recorded; the current PTR is shown from its earliest retained observation.

  1. portal.telcoli.li — since at least Oct 1, 2026 → present
  2. csweb.telcoli.li — Sep 30, 2026 → Oct 1, 2026
  3. meet.telcoli.li — Sep 29, 2026 → Sep 30, 2026
  4. dialin.telcoli.li — Sep 28, 2026 → Sep 29, 2026
  5. lyncdiscover.telcoli.li — Sep 27, 2026 → Sep 28, 2026
  6. dialin.telcoli.li — Sep 26, 2026 → Sep 27, 2026
  7. lyncdiscover.telcoli.li — Sep 26, 2026 → Sep 26, 2026
  8. dialin.telcoli.li — Sep 26, 2026 → Sep 26, 2026
  9. meet.telcoli.li — Sep 25, 2026 → Sep 26, 2026
  10. no PTR — Aug 23, 2026 → Sep 25, 2026
  11. meet.telcoli.li — Aug 18, 2026 → Aug 23, 2026
  12. dialin.telcoli.li — Aug 18, 2026 → Aug 18, 2026

Network Allocation for 217.173.236.162

CIDR range
217.173.224.0/20
IP range (int)
3,652,050,944 — 3,652,055,039
Prefix length
/20
Organization
Telecom Liechtenstein AG
ASN
AS20634
ASN name
Telecom Liechtenstein AG
Location
Vaduz, Vaduz, Liechtenstein
Coordinates
47.132200, 9.511500
Accuracy radius
10 km
Regional Internet Registry
RIPE
Allocated
2001-04-10
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-09-29 04:10:30

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

Announced prefix
Origin AS
Announcement samples
25,807
Last seen
2026-10-01 10:56:02

Frequently Asked Questions

Who owns 217.173.236.162?

217.173.236.162 is allocated to Telecom Liechtenstein AG (AS20634), registered in Vaduz, Liechtenstein.

Where is 217.173.236.162 located?

The geolocation for 217.173.236.162 maps to Vaduz, Liechtenstein 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 217.173.236.162 on?

217.173.236.162 belongs to the 217.173.224.0/20 network block announced by AS20634. This range contains 4,096 addresses.

Does 217.173.236.162 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: 2026-09-29 12:26:26 UTC
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