# 60.246.36.21 — IP Intelligence Summary

60.246.36.21 is an IPv4 address announced by AS4609, with approximate network location Macau, Macao SAR China. It belongs to a residential connection with reverse DNS name nz36l21.bb60246.ctm.net. As of November 9, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/60.246.36.21
- Last updated: 2026-11-09

## Ownership

- Organization: Companhia de Telecomunicacoes de Macau
- Network name: CTM-AS-AP
- Allocated block: 60.246.0.0/16
- ASN: AS4609 (https://ipdebrief.com/asn/4609)
- Regional registry: APNIC
- Registered holder: Companhia de Telecomunicacoes de Macau
- Routing operator: —
- Network registration country: MO
- Registrant address country: —

## Location

- City: Macau
- Region: MO
- Country: Macao SAR China
- Time zone: —

Approximate network location; registration and certificate addresses are not server-location evidence.

## Network classification

- Infrastructure type: Residential
- Datacenter / hosting: no
- Residential: yes
- Mobile: no
- Anycast: Unverified (not proof of unicast)
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (0/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- nz36l21.bb60246.ctm.net
- Forward-confirmed: yes

## DNS posture

Mail authentication and CAA are optional domain policies, not IP-wide requirements.

- spf: Not checked
- dmarc: Not checked
- fcrDns: Not checked
- dnssec: Not checked
- caa: Not checked

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Source: IPDebrief, "60.246.36.21 IP intelligence", https://ipdebrief.com/60.246.36.21, updated 2026-11-09. Assessments are probabilistic.