Addresses
2,048
2.0K
Sub-ranges
0+
within this block
PTR Density
99.4%
2.0K of 2.0K IPs have PTR
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.
76/100
Moderate
How this score is built
- Baseline (neutral) 65
- Long-established allocation (15y) +6
- Has a reverse-DNS (PTR) record +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
First 256 of 2,048 IP addresses in 139.0.16.0/21
139.0.16.0
139.0.16.1
139.0.16.2
139.0.16.3
139.0.16.4
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139.0.16.254
139.0.16.255
+ 1.8K more (range too large to list inline)
BGP Routing
Live BGP anomalies →This block is announced in BGP, observed across our RIPE RIS collectors.
Announced prefix
Origin AS
Announcement samples
5,839
Last seen
2026-07-24 07:22:13
RIR Ownership History
Atom feed ⇲Allocation changes captured weekly from regional internet registry (RIR) delegation files.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | RIR Transfer | arin | apnic |
Frequently Asked Questions
What is 139.0.16.0/21?
139.0.16.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 139.0.16.0 to 139.0.23.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 139.0.16.0/21 network?
The 139.0.16.0/21 range is allocated to Linknet ASN and announced via AS9905 from Indonesia.
Last updated: 2026-07-24 07:40:30 UTC
