164.42.3.88
IPv4 address
164.42.3.88
An address in San Juan, Puerto Rico, announced by Interamerican University of Puerto Rico (AS16649). It's a DNS server on port 53.
Summary
Geolocation
Where the address is, and what that place uses.
- City
- San Juan
- Region
- San Juan
- Postal code
- 00901
- Country
- Puerto Rico
- Continent
- North America
- Coordinates
- 18.4663, -66.1057
- Timezone
- America/Puerto_Rico
Ownership
Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.
- Company
- Interamerican University of Puerto Rico
- Domain
- inter.edu
- Type
- Education
- Registered in
- Puerto Rico
- AS number
- AS16649
- Name
- Interamerican University of Puerto Rico
- Prefix
- 164.42.0.0/16
- RPKI
- Not found
- Type
- Education
- Domain
- inter.edu
- Registered in
- Puerto Rico
- Name
- Interamerican University of Puerto Rico
- Network name
- UIPRNET-B
- Organization
- IUPR-Z
- Status
- allocation
- Registry
- ARIN
- Domain
- inter.edu
- Abuse
- zaragoza@inter.edu
- Name
- Juan Zaragoza
- zaragoza@inter.edu
- Phone
- +1-787-766-1912
- Address
- P.O. Box 363255, San Juan, PR, 00936-3255
- Network
- 164.42.0.0-164.42.255.255
Anonymity
Whether the address hides someone else: a VPN, Tor, a relay, a proxy pool, or a hosting range.
Network
What kind of network it is on: a mobile carrier, a satellite operator, an anycast service, a CDN edge.
Services
What our own internet-wide measurement found listening on it.
- Port
- 53
- Recursion
- Refused
- Response code
- 0
- Answer
- Wrong
- First seen
- 2026-08-10
- Last seen
- 2026-10-26
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