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CIDR
/21 · 2.0K IPs
ASN
Vodafone Portugal - Communicacoes Pessoais S.A.
Reverse DNS
26.136.230.161.rev.vodafone.pt
Last scanned 1 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.

81/100
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)
26.136.230.161.rev.vodafone.pt
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
86400 s
Reverse DNS last checked
2026-07-17 19:59 UTC
Forward DNS last checked
2026-07-17 19:59 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.

Network Allocation for 161.230.136.26

CIDR range
161.230.136.0/21
IP range (int)
2,716,239,872 — 2,716,241,919
Prefix length
/21
Organization
Vodafone Portugal - Communicacoes Pessoais S.A.
ASN
AS12353
ASN name
Vodafone Portugal - Communicacoes Pessoais S.A.
Location
Cascais, Lisbon, Portugal
Coordinates
38.712000, -9.441500
Accuracy radius
20 km
Postal code
2750-036
Regional Internet Registry
ARIN
Allocated
1993-03-19
Data source(s)
maxmind_city, maxmind_asn, maxmind_country, ipinfo_lite
Last updated
2026-07-11 09:23:40

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

Announced prefix
Origin AS
Announcement samples
3,591
Last seen
2026-07-18 19:44:54

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.

Date Event From To
2026-05-10 RIR Transfer arin ripe

See the full history for 161.230.0.0/16.

Frequently Asked Questions

Who owns 161.230.136.26?

161.230.136.26 is allocated to Vodafone Portugal - Communicacoes Pessoais S.A. (AS12353), registered in Cascais, Portugal.

Where is 161.230.136.26 located?

The geolocation for 161.230.136.26 maps to Cascais, Portugal 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 161.230.136.26 on?

161.230.136.26 belongs to the 161.230.136.0/21 network block announced by AS12353. This range contains 2,048 addresses.

Does 161.230.136.26 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 14:56:07 UTC
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