130.58.11.23
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.
- Baseline (neutral) 65
- Academic allocation +6
- Long-established allocation (38y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Trust score 87 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- www1.its.swarthmore.edu
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 60 s
- Reverse DNS last checked
- 2026-09-28 03:56 UTC
Forward DNS records for www1.its.swarthmore.edu
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 130.58.11.23 | — | 172800s |
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.
This IP's reverse DNS changes frequently — the timeline below shows the most recent changes.
- www1.its.swarthmore.edu — Sep 28, 2026 → present
- secure.swarthmore.edu — Sep 27, 2026 → Sep 28, 2026
- testsecure.swarthmore.edu — Sep 26, 2026 → Sep 27, 2026
- secure.swarthmore.edu — Aug 25, 2026 → Sep 26, 2026
- cabezon.swarthmore.edu — Aug 24, 2026 → Aug 25, 2026
- www1.its.swarthmore.edu — Aug 19, 2026 → Aug 24, 2026
- secure.swarthmore.edu — Aug 16, 2026 → Aug 19, 2026
- cabezon.swarthmore.edu — Jun 15, 2026 → Aug 16, 2026
- www1.its.swarthmore.edu — Jun 12, 2026 → Jun 15, 2026
Network Allocation for 130.58.11.23
- CIDR range
- 130.58.0.0/18
- IP range (int)
- 2,184,839,168 — 2,184,855,551
- Prefix length
- /18
- Organization
- Swarthmore College
- ASN
- AS3782
- ASN name
- Swarthmore College
- Location
- Media, Pennsylvania, United States
- Coordinates
- 39.919800, -75.399000
- Accuracy radius
- 20 km
- Postal code
- 19063
- Regional Internet Registry
- ARIN
- Allocated
- 1988-06-07
- Data source(s)
- maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
- Last updated
- 2026-09-27 05:24:04
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
Frequently Asked Questions
Who owns 130.58.11.23?
130.58.11.23 is allocated to Swarthmore College (AS3782), registered in Media, United States.
Where is 130.58.11.23 located?
The geolocation for 130.58.11.23 maps to Media, 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 130.58.11.23 on?
130.58.11.23 belongs to the 130.58.0.0/18 network block announced by AS3782. This range contains 16,384 addresses.
Does 130.58.11.23 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.
