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
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About Postmedia Network
Postmedia Network Canada Corp. is a Canadian-based media conglomerate majority-owned by American investors, consisting of the publishing properties of the former Canwest, with primary operations in English-language newspaper publishing, news gathering and Internet operations.
Network profile
Source: PeeringDB →Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 204.187.152.0/23 | 512 |
0.0%
|
Postmedia Network Inc | CA | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS18588 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 204.187.152.0/24 | 10,669 | 2026-08-03 18:27:30 |
| 204.187.153.0/24 | 6,401 | 2026-08-03 18:27:30 |
Frequently Asked Questions
What is AS18588?
AS18588 is an Autonomous System Number assigned to Postmedia Network Inc. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS18588 announce?
AS18588 announces 512 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Canada.
Who operates AS18588?
AS18588 is operated by Postmedia Network Inc. The organization is based in Canada. You can view all IP ranges and related ASNs on the organization page.
What country is AS18588 registered in?
AS18588 is registered in Canada. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
