# 212.187.66.105 — IP Intelligence Summary

212.187.66.105 is an IPv4 address announced by AS33915, with approximate network location Alkmaar, Netherlands. Its reverse DNS name is c66105.upc-c.chello.nl. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/212.187.66.105
- Last updated: 2026-11-12

## Ownership

- Organization: Ziggo Services B.V. Hostmasters
- Network name: UPC-NL
- Allocated block: 212.187.64.0/21
- ASN: AS33915 (https://ipdebrief.com/asn/33915)
- Regional registry: RIPE
- Registered holder: Ziggo Services B.V. Hostmasters
- Routing operator: —
- Network registration country: NL
- Registrant address country: —

## Location

- City: Alkmaar
- Region: North Holland
- Country: Netherlands
- Time zone: Europe/Amsterdam

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

## Network classification

- Infrastructure type: —
- Datacenter / hosting: no
- Residential: no
- 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

- c66105.upc-c.chello.nl
- 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, "212.187.66.105 IP intelligence", https://ipdebrief.com/212.187.66.105, updated 2026-11-12. Assessments are probabilistic.