223.137.133.29
223.137.133.29 is an IPv4 address operated by EMOME-NET - Mobile Business Group, TW (AS17421), with approximate network location Taipei, Taiwan. Its reverse DNS name is 223-137-133-29.emome-ip.hinet.net. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
Witness AI IP Assessment (AI-generated)
AI-generated assessment. Verify critical details independently.
The host 223.137.133.29/32 is associated with AS17421 (EMOME-NET), a routing operator in Taiwan. The address falls within the 223.136.0.0/15 CIDR block registered to the Mobile Business Group. Geolocation data places the network in Taipei, Taiwan. DNS hygiene assessment returned a score of 100 with a "Partial coverage" label; CAA records were present for hinet.net, but SPF and DMARC records were absent, and DNSSEC status was unknown. Network role analysis classifies the host as "Firewalled / No Services," indicating no active services were detected on the endpoint. TLS probes and endpoint enumerations yielded no results. The risk score is 0. While the absence of detected services suggests limited exposure, the lack of SPF and DMARC configurations prevents definitive validation of email authentication policies for this block. Continuous monitoring is recommended to detect any future service launches or policy changes.
🏢 Ownership & Registration
| Registered holder | Unknown |
| ASN | AS17421 |
| Network Name | EMOME-NET |
| CIDR Block | 223.136.0.0/15 |
| RIR | APNIC |
| Network registration country | TW |
| Routing operator | EMOME-NET - Mobile Business Group, TW |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 223-137-133-29.emome-ip.hinet.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 223-137-133-29.emome-ip.hinet.net |
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 | Present / verified hinet.net |
| spf | Not found at queried name 223-137-133-29.emome-ip.hinet.net |
| dmarc | Not found at queried name _dmarc.223-137-133-29.emome-ip.hinet.net |
| dnssec | Unknown / lookup inconclusive 29.133.137.223.in-addr.arpa |
| fcrDns | Present / verified 223-137-133-29.emome-ip.hinet.net |
☁️ 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 | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS17421 |
| Network Prefix | 223.137.128.0/18 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 0% | 0 | 0 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 8% | 2 | 2 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-20 12:28:25 UTC |
| Last Seen | 2026-11-13 22:48:21 UTC |
| Profile Built | 2026-11-13 22:49:47 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 26 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 223.137.133.29
Where is 223.137.133.29 located?
Geolocation data places 223.137.133.29 in Taipei, Taipei City, Taiwan. The local time zone is Asia/Taipei. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 223.137.133.29 malicious or safe?
223.137.133.29 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 223.137.133.29?
The reverse DNS (PTR) record for 223.137.133.29 is 223-137-133-29.emome-ip.hinet.net. This hostname is forward-confirmed, meaning it resolves back to the same address.