88.81.108.154
88.81.108.154 is an IPv4 address announced by AS39093, with approximate network location Westport, Ireland. Its reverse DNS name is 154-108.cust.westnet.ie. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Island Bridge Networks Network Operations |
| ASN | AS39093 |
| Network Name | WN-CUST-BLOCK4 |
| CIDR Block | 88.81.108.0/23 |
| RIR | RIPE |
| Network registration country | ie |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 154-108.cust.westnet.ie |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 154-108.cust.westnet.ie |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| spf | Not checked |
| dmarc | Not checked |
| fcrDns | Not checked |
| dnssec | Not checked |
| caa | Not checked |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS39093 |
| Network Prefix | 88.81.96.0/19 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 16% | 4 | 4 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Stale
| First Seen | 2026-07-06 12:09:37 UTC |
| Last Seen | 2026-10-05 07:18:22 UTC |
| Profile Built | 2026-11-12 03:50:59 UTC |
| Data Freshness | Stale |
| Signal Types | 19 |
| Total Observations | 21 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 88.81.108.154
Who owns the IP address 88.81.108.154?
88.81.108.154 is registered to Island Bridge Networks Network Operations. The address falls within the 88.81.108.0/23 network block. Registration is held at RIPE.
Where is 88.81.108.154 located?
Geolocation data places 88.81.108.154 in Westport, Connacht, Ireland. The local time zone is Europe/Dublin. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 88.81.108.154 malicious or safe?
88.81.108.154 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 88.81.108.154?
The reverse DNS (PTR) record for 88.81.108.154 is 154-108.cust.westnet.ie. This hostname is forward-confirmed, meaning it resolves back to the same address.