# 116.51.17.221 — IP Intelligence Summary

116.51.17.221 is an IPv4 address operated by NETWORK ADMIN - AS17645 (AS2914), geolocated to Singapore, Singapore. Its reverse DNS name is ce-5-2-0.a03.sngpsi07.sg.ce.gin.ntt.net. As of October 28, 2026, IPDebrief rates it High Risk (70/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/116.51.17.221
- Last updated: 2026-10-28

## Ownership

- Organization: NETWORK ADMIN - AS17645
- Network name: NTT-GIN
- Allocated block: 116.51.16.0/20
- ASN: AS2914 (https://ipdebrief.com/asn/2914)
- Regional registry: APNIC

## Location

- City: Singapore
- Region: SG
- Country: Singapore
- Time zone: Asia/Singapore

## Network classification

- Infrastructure type: —
- Datacenter / hosting: no
- Residential: no
- Mobile: no
- Anycast: no
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: High Risk (70/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- ce-5-2-0.a03.sngpsi07.sg.ce.gin.ntt.net
- Forward-confirmed: no

## Analyst narrative

An intelligence profile was generated for IP address 116.51.17.221/32, classified as a High Risk asset with a risk score of 70. The address is owned by ASN 2914 (NTT-GIN) within the 116.51.16.0/20 CIDR block in Singapore, though geolocation sources disagreed on the specific country. Network analysis showed no open ports, indicating a firewalled state with no active services.

Threat assessment classified the IP as Campaign Infrastructure with a high likelihood of malicious intent. Although the blacklist count was zero, the address correlated with 30 other IPs. Neighborhood data indicated an abuse density of 0.5 in the /24 subnet, with two threat siblings

## Nearby addresses

- 116.51.17.47 (https://ipdebrief.com/116.51.17.47)
- 116.51.17.127 (https://ipdebrief.com/116.51.17.127)
- 116.51.17.138 (https://ipdebrief.com/116.51.17.138)
- 116.51.17.213 (https://ipdebrief.com/116.51.17.213)

## Addresses sharing infrastructure

- 116.51.16.29 — Same abuse contact (https://ipdebrief.com/116.51.16.29)
- 116.51.16.91 — Same abuse contact (https://ipdebrief.com/116.51.16.91)
- 116.51.16.95 — Same abuse contact (https://ipdebrief.com/116.51.16.95)
- 116.51.16.101 — Same abuse contact (https://ipdebrief.com/116.51.16.101)
- 116.51.16.203 — Same abuse contact (https://ipdebrief.com/116.51.16.203)
- 116.51.18.65 — Same abuse contact (https://ipdebrief.com/116.51.18.65)
- 116.51.18.77 — Same abuse contact (https://ipdebrief.com/116.51.18.77)
- 116.51.18.79 — Same abuse contact (https://ipdebrief.com/116.51.18.79)
- 116.51.22.180 — Same abuse contact (https://ipdebrief.com/116.51.22.180)
- 116.51.22.181 — Same abuse contact (https://ipdebrief.com/116.51.22.181)
- 116.51.26.74 — Same abuse contact (https://ipdebrief.com/116.51.26.74)

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Source: IPDebrief, "116.51.17.221 IP intelligence", https://ipdebrief.com/116.51.17.221, updated 2026-10-28. Assessments are probabilistic.