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 (33y) +6
- Has a reverse-DNS (PTR) record +5
- Enterprise allocation +4
- Trust score 80 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 51.199.16.128/28
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 51.199.16.136/29 | 8 | Sky UK Limited | AS5607 | GB |
| 51.199.16.128/30 | 4 | Sky UK Limited | AS5607 | GB |
| 51.199.16.134/31 | 2 | Sky UK Limited | AS5607 | GB |
| 51.199.16.132/32 | 1 | Sky UK Limited | AS5607 | GB |
| 51.199.16.133/32 | 1 | Sky UK Limited | AS5607 | GB |
Geolocation
All 16 IP addresses in 51.199.16.128/28
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 51.199.0.0/17.
RIR Ownership History
Atom feed ⇲Allocation changes captured weekly from regional internet registry (RIR) delegation files.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | New Allocation | — | GB |
Frequently Asked Questions
What is 51.199.16.128/28?
51.199.16.128/28 is a CIDR network block containing 16 IPv4 addresses (from 51.199.16.128 to 51.199.16.143). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 51.199.16.128/28 network?
The 51.199.16.128/28 range is allocated to Sky UK Limited and announced via AS5607 from United Kingdom.
How many IP addresses are in 51.199.16.128/28?
51.199.16.128/28 contains exactly 16 usable IPv4 addresses. A /28 prefix length means 16 addresses are covered by this single routing entry.