77.73.245.77
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
- Long-established allocation (19y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Trust score 81 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- test-erp.theater-basel.ch
- Forward-confirmed (FCrDNS)
- ✗ Mismatch
- PTR TTL
- 3600 s
- Reverse DNS last checked
- 2026-10-27 02:44 UTC
- Forward DNS last checked
- 2026-10-27 02:44 UTC
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Domains hosted
as of 2026-10-25 UTC0
issued.live's latest DNS data shows no domain resolving to this IP.
Domain data provided by issued.live — for full details visit https://issued.live/pricing
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.
- test-erp.theater-basel.ch — Oct 26, 2026 → present
- erp.theater-basel.ch — Oct 25, 2026 → Oct 26, 2026
- test-erp.theater-basel.ch — Oct 25, 2026 → Oct 25, 2026
- erp.theater-basel.ch — Oct 24, 2026 → Oct 25, 2026
- test-erp.theater-basel.ch — Oct 22, 2026 → Oct 24, 2026
- erp.theater-basel.ch — Oct 21, 2026 → Oct 22, 2026
- test-erp.theater-basel.ch — Oct 21, 2026 → Oct 21, 2026
- erp.theater-basel.ch — Oct 19, 2026 → Oct 21, 2026
- test-erp.theater-basel.ch — Oct 18, 2026 → Oct 19, 2026
- erp.theater-basel.ch — Oct 17, 2026 → Oct 18, 2026
- test-erp.theater-basel.ch — Oct 15, 2026 → Oct 17, 2026
- erp.theater-basel.ch — Oct 14, 2026 → Oct 15, 2026
- test-erp.theater-basel.ch — Oct 13, 2026 → Oct 14, 2026
- erp.theater-basel.ch — Oct 12, 2026 → Oct 13, 2026
- test-erp.theater-basel.ch — Oct 12, 2026 → Oct 12, 2026
- erp.theater-basel.ch — Oct 10, 2026 → Oct 12, 2026
- test-erp.theater-basel.ch — Oct 9, 2026 → Oct 10, 2026
- erp.theater-basel.ch — Oct 5, 2026 → Oct 9, 2026
- test-erp.theater-basel.ch — Oct 5, 2026 → Oct 5, 2026
- erp.theater-basel.ch — Oct 3, 2026 → Oct 5, 2026
- test-erp.theater-basel.ch — Oct 2, 2026 → Oct 3, 2026
- erp.theater-basel.ch — Oct 1, 2026 → Oct 2, 2026
- test-erp.theater-basel.ch — Sep 30, 2026 → Oct 1, 2026
- erp.theater-basel.ch — Sep 28, 2026 → Sep 30, 2026
- test-erp.theater-basel.ch — Sep 26, 2026 → Sep 28, 2026
- erp.theater-basel.ch — Sep 26, 2026 → Sep 26, 2026
- test-erp.theater-basel.ch — Aug 23, 2026 → Sep 26, 2026
- erp.theater-basel.ch — Aug 18, 2026 → Aug 23, 2026
- test-erp.theater-basel.ch — Aug 18, 2026 → Aug 18, 2026
- erp.theater-basel.ch — Jul 4, 2026 → Aug 18, 2026
- test-erp.theater-basel.ch — Jun 21, 2026 → Jul 4, 2026
- erp.theater-basel.ch — Jun 17, 2026 → Jun 21, 2026
Network Allocation for 77.73.245.77
- CIDR range
- 77.73.240.0/21
- IP range (int)
- 1,296,691,200 — 1,296,693,247
- Prefix length
- /21
- Organization
- IWB Industrielle Werke Basel
- ASN
- AS43284
- ASN name
- IWB Industrielle Werke Basel
- Location
- Basel, Basel City, Switzerland
- Coordinates
- 47.558400, 7.591400
- Accuracy radius
- 5 km
- Postal code
- 4051
- Regional Internet Registry
- RIPE
- Allocated
- 2007-04-02
- Data source(s)
- maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
- Last updated
- 2026-10-27 04:07:24
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 77.73.245.77?
77.73.245.77 is allocated to IWB Industrielle Werke Basel (AS43284), registered in Basel, Switzerland.
Where is 77.73.245.77 located?
The geolocation for 77.73.245.77 maps to Basel, Switzerland 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 77.73.245.77 on?
77.73.245.77 belongs to the 77.73.240.0/21 network block announced by AS43284. This range contains 2,048 addresses.
Does 77.73.245.77 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.
