18.139.88.102
18.139.88.102 is an IPv4 address operated by AMAZON-02 - Amazon.com, Inc., US (AS16509), with approximate network location Singapore, Singapore. It belongs to datacenter or hosting infrastructure with reverse DNS name ec2-18-139-88-102.ap-southeast-1.compute.amazonaws.com. As of November 14, 2026, IPDebrief rates it Low Risk (10/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Amazon Data Services Singapore |
| ASN | AS16509 |
| Network Name | AMAZON-SIN |
| CIDR Block | 18.138.0.0/15 |
| RIR | ARIN |
| Network registration country | — |
| Registrant address country | Singapore |
| Routing operator | AMAZON-02 - Amazon.com, Inc., US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-18-139-88-102.ap-southeast-1.compute.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-18-139-88-102.ap-southeast-1.compute.amazonaws.com |
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.
Partial coverage: 1 conclusive IP DNS checks.
| caa | Not found at queried name com |
| spf | Not found at queried name ec2-18-139-88-102.ap-southeast-1.compute.amazonaws.com, lms-aws-ap-southeast-1.roblox.com |
| dmarc | Not found at queried name _dmarc.ec2-18-139-88-102.ap-southeast-1.compute.amazonaws.com, _dmarc.lms-aws-ap-southeast-1.roblox.com |
| dnssec | Unknown / lookup inconclusive 102.88.139.18.in-addr.arpa |
| fcrDns | Present / verified ec2-18-139-88-102.ap-southeast-1.compute.amazonaws.com |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| Port | Latest capture attempt |
|---|---|
| 443 | Certificate not captured; current certificate unknown (unreachable) |
| 8443 | Certificate not captured; current certificate unknown (unreachable) |
| Port | Probe target | Certificate finding |
|---|---|---|
| (IP-targeted) | CN=lms-aws-ap-southeast-1.roblox.com Historical certificate; current certificate unknown |
| SANs | lms-aws-ap-southeast-1.roblox.com |
| Valid From | 2026-09-22T00:00:00+00:00 |
| Valid Until | 2027-04-07T23:59:59+00:00 |
🛡️ Public Network Snapshot
| Origin ASN | AS16509 |
| Network Prefix | 18.138.0.0/15 |
| Route mapping | Found |
| HSTS | Not detected |
| CSP | Not detected |
| HTTP/2 | Enabled |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 33% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 35% | 2 | 4 |
| ownership | 13% | 1 | 2 |
| reputation | 28% | 1 | 3 |
| geolocation | 35% | 2 | 3 |
| Overall | 26% | 9 | 17 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Fresh
| First Seen | 2026-10-24 20:07:06 UTC |
| Last Seen | 2026-11-13 22:43:40 UTC |
| Profile Built | 2026-11-14 07:18:45 UTC |
| Data Freshness | Fresh |
| Signal Types | 22 |
| Total Observations | 34 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 18.139.88.102
Who owns the IP address 18.139.88.102?
18.139.88.102 is registered to Amazon Data Services Singapore. The address falls within the 18.138.0.0/15 network block. Registration is held at ARIN.
Where is 18.139.88.102 located?
Geolocation data places 18.139.88.102 in Singapore. The local time zone is Asia/Singapore. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 18.139.88.102 malicious or safe?
18.139.88.102 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 18.139.88.102?
The reverse DNS (PTR) record for 18.139.88.102 is ec2-18-139-88-102.ap-southeast-1.compute.amazonaws.com. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 18.139.88.102 a VPN, proxy, or data center address?
18.139.88.102 is classified as cloud infrastructure and hosting infrastructure based on network ownership and behavioural analysis.