# 211.51.216.221 — IP Intelligence Summary

211.51.216.221 is an IPv4 address announced by AS4766, with approximate network location Goyang-si, South Korea. It belongs to a mobile network. As of November 11, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/211.51.216.221
- Last updated: 2026-11-11

## Ownership

- Organization: IP Manager
- Network name: KORNET-KR
- Allocated block: 211.51.0.0/16
- ASN: AS4766 (https://ipdebrief.com/asn/4766)
- Regional registry: APNIC
- Registered holder: IP Manager
- Routing operator: —
- Network registration country: KR
- Registrant address country: —

## Location

- City: Goyang-si
- Region: Gyeonggi-do
- Country: South Korea
- Time zone: Asia/Seoul

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

## Network classification

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

## Exposed services

- 80/tcp — http
- 443/tcp — https
- 22/tcp — ssh

## 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

## TLS observations

- C=US, S=California, L=Sunnyvale, O=Ruckus Wireless Inc., CN=SN-922102016814; port unknown; target —; Historical certificate; current certificate unknown; valid until 2045-12-27T12:09:04.0000000+00:00

---

Source: IPDebrief, "211.51.216.221 IP intelligence", https://ipdebrief.com/211.51.216.221, updated 2026-11-11. Assessments are probabilistic.