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
- Forward-confirmed reverse DNS (FCrDNS) +10
- Long-established allocation (18y) +6
- Not on any threat blocklist +5
- Trust score 86 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- 173-55-255-255.c931214bbe23d156f1f88404ad7f7b9d.ip.frontiernet.net
- Forward-confirmed (FCrDNS)
- ✓ Confirmed
- PTR TTL
- 300 s
- Reverse DNS last checked
- 2026-07-18 16:49 UTC
- Forward DNS last checked
- 2026-07-18 16:49 UTC
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Network Allocation for 173.55.255.255
- CIDR range
- 173.55.128.0/17
- IP range (int)
- 2,906,095,616 — 2,906,128,383
- Prefix length
- /17
- Location
- United States
- Coordinates
- 37.751000, -97.822000
- Accuracy radius
- 1000 km
- Regional Internet Registry
- ARIN
- Allocated
- 2008-10-09
- Data source(s)
- maxmind_city, maxmind_country, ipinfo_lite
- Last updated
- 2026-07-10 00:20:27
RIR Ownership History
Atom feed ⇲Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | New Allocation | — | US |
See the full history for 173.48.0.0/13.
Frequently Asked Questions
Who owns 173.55.255.255?
173.55.255.255 is allocated to an unknown organization, registered in United States.
Where is 173.55.255.255 located?
The geolocation for 173.55.255.255 maps to 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 173.55.255.255 on?
173.55.255.255 belongs to the 173.55.128.0/17 network block. This range contains 32,768 addresses.
Does 173.55.255.255 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.
