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CIDR
/20 · 4.1K IPs
ASN
Columbia University
Reverse DNS
send.columbiauniversitypress.com
Last scanned 4 hr ago
Blocklisted
Checking…
Scanning blocklists

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

81/100
Trusted
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
send.columbiauniversitypress.com
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
3600 s
Reverse DNS last checked
2026-07-22 12:53 UTC
Forward DNS last checked
2026-07-22 12:53 UTC

Forward DNS records for send.columbiauniversitypress.com

TypeValuePriorityTTL
A 128.59.208.1 172800s
A 13.248.213.45 172800s
A 76.223.67.189 172800s
every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Reverse DNS history

How this IP's reverse DNS (PTR) has changed over time, from our scans.

  1. send.columbiauniversitypress.com — Jun 18, 2026 → present
  2. 61w62-gw-3-1-vlan1413-1.net.columbia.edu stable — Jun 5, 2026 → Jun 18, 2026
  3. send.columbiauniversitypress.com — Jun 5, 2026 → Jun 5, 2026

Network Allocation for 128.59.208.1

CIDR range
128.59.208.0/20
IP range (int)
2,151,403,520 — 2,151,407,615
Prefix length
/20
Organization
Columbia University
ASN
AS14
ASN name
Columbia University
Location
New York, New York, United States
Coordinates
40.778500, -73.989800
Accuracy radius
5 km
Postal code
10023
Regional Internet Registry
ARIN
Allocated
1985-02-05
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-21 04:08:29

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
7,723
Last seen
2026-07-22 16:45:47

Frequently Asked Questions

Who owns 128.59.208.1?

128.59.208.1 is allocated to Columbia University (AS14), registered in New York, United States.

Where is 128.59.208.1 located?

The geolocation for 128.59.208.1 maps to New York, United States based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 128.59.208.1 on?

128.59.208.1 belongs to the 128.59.208.0/20 network block announced by AS14. This range contains 4,096 addresses.

Does 128.59.208.1 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-07-22 17:15:33 UTC
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