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CIDR
/20 · 4.1K IPs
ASN
Iberdrola S.A.
Reverse DNS
No PTR record
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.

76/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network Allocation for 217.22.104.137

CIDR range
217.22.96.0/20
IP range (int)
3,642,122,240 — 3,642,126,335
Prefix length
/20
Organization
Iberdrola S.A.
ASN
AS15711
ASN name
Iberdrola S.A.
Location
Bilbao, Basque Country, Spain
Coordinates
43.266200, -2.950300
Accuracy radius
10 km
Postal code
48014
Regional Internet Registry
RIPE
Allocated
2000-10-02
Data source(s)
maxmind_city, maxmind_asn, maxmind_country, ipinfo_lite
Last updated
2026-07-28 04:10:17

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

Announced prefix
Origin AS
Announcement samples
9,961
Last seen
2026-07-30 04:21:54

Frequently Asked Questions

Who owns 217.22.104.137?

217.22.104.137 is allocated to Iberdrola S.A. (AS15711), registered in Bilbao, Spain.

Where is 217.22.104.137 located?

The geolocation for 217.22.104.137 maps to Bilbao, Spain 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 217.22.104.137 on?

217.22.104.137 belongs to the 217.22.96.0/20 network block announced by AS15711. This range contains 4,096 addresses.

Does 217.22.104.137 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: 2026-07-30 04:31:00 UTC
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