# 199.100.0.21 — IP Intelligence Summary

199.100.0.21 is an IPv4 address operated by COGENT-174 - Cogent Communications, LLC, US (AS174), with approximate network location New York, Brazil. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/199.100.0.21
- Last updated: 2026-11-13

## Ownership

- Organization: Cogent Communications, LLC
- Network name: COGENT-199-97-98-99-100-16
- Allocated block: 199.97.0.0/16
- ASN: AS174 (https://ipdebrief.com/asn/174)
- Regional registry: ARIN
- Registered holder: Cogent Communications, LLC
- Routing operator: COGENT-174 - Cogent Communications, LLC, US
- Network registration country: United States
- Registrant address country: —

## Location

- City: New York
- Region: SP
- Country: Brazil
- Time zone: America/Sao_Paulo

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

## DNS posture

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

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

## Nearby addresses

- 199.100.0.10 (https://ipdebrief.com/199.100.0.10)
- 199.100.0.12 (https://ipdebrief.com/199.100.0.12)
- 199.100.0.81 (https://ipdebrief.com/199.100.0.81)

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Source: IPDebrief, "199.100.0.21 IP intelligence", https://ipdebrief.com/199.100.0.21, updated 2026-11-13. Assessments are probabilistic.