109.159.134.187
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 (17y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Trust score 81 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- ftip002857671.acc1.sf.21cn-ipp.bt.net
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 604800 s
- Reverse DNS last checked
- 2026-07-07 04:19 UTC
- Forward DNS last checked
- 2026-07-07 04:19 UTC
Forward DNS records for ftip002857671.acc1.sf.21cn-ipp.bt.net
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 109.159.134.187 | — | 172800s |
| AAAA | 2a00:2380:300e:1000::2de | — | 172800s |
| AAAA | 2a00:2380:300e:1000::2df | — | 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.
- no PTR — Jul 3, 2026 → present
- ftip002857671.acc1.sf.21cn-ipp.bt.net stable — Jun 24, 2026 → Jul 3, 2026
Network Allocation for 109.159.134.187
- CIDR range
- 109.159.134.0/23
- IP range (int)
- 1,839,171,072 — 1,839,171,583
- Prefix length
- /23
- Organization
- British Telecommunications PLC
- ASN
- AS2856
- ASN name
- British Telecommunications Limited
- Location
- Leighton Buzzard, England, United Kingdom
- Coordinates
- 51.915900, -0.670300
- Accuracy radius
- 100 km
- Postal code
- LU7
- Regional Internet Registry
- RIPE
- Allocated
- 2009-08-06
- Data source(s)
- maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
- Last updated
- 2026-09-15 04:08:01
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 109.159.134.187?
109.159.134.187 is allocated to British Telecommunications PLC (AS2856), registered in Leighton Buzzard, United Kingdom.
Where is 109.159.134.187 located?
The geolocation for 109.159.134.187 maps to Leighton Buzzard, United Kingdom 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 109.159.134.187 on?
109.159.134.187 belongs to the 109.159.134.0/23 network block announced by AS2856. This range contains 512 addresses.
Does 109.159.134.187 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.
