Skip to main content
CIDR
/25 · 128 IPs
ASN
Bluewin
Reverse DNS
105.164.63.81.static.wline.lns.sme.cust.swisscom.ch
Last scanned 10 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)
105.164.63.81.static.wline.lns.sme.cust.swisscom.ch
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
86400 s
Reverse DNS last checked
2026-07-28 00:58 UTC
Forward DNS last checked
2026-07-28 00:58 UTC

Forward DNS records for 105.164.63.81.static.wline.lns.sme.cust.swisscom.ch

TypeValuePriorityTTL
A 81.63.164.105 172775s
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 81.63.164.105

CIDR range
81.63.164.0/25
IP range (int)
1,363,125,248 — 1,363,125,375
Prefix length
/25
Organization
Bluewin
ASN
AS3303
ASN name
Bluewin
Location
Oberrieden, Zurich, Switzerland
Coordinates
47.274800, 8.584300
Accuracy radius
100 km
Postal code
8942
Regional Internet Registry
RIPE
Allocated
2002-12-17
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-07-28 04:06:43

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

Announced prefix
Origin AS
Announcement samples
4,172
Last seen
2026-07-28 11:23:15

Frequently Asked Questions

Who owns 81.63.164.105?

81.63.164.105 is allocated to Bluewin (AS3303), registered in Oberrieden, Switzerland.

Where is 81.63.164.105 located?

The geolocation for 81.63.164.105 maps to Oberrieden, Switzerland 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 81.63.164.105 on?

81.63.164.105 belongs to the 81.63.164.0/25 network block announced by AS3303. This range contains 128 addresses.

Does 81.63.164.105 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: 2026-07-28 11:52:33 UTC
Share