AS18588 POSTM - Postmedia Network Inc
🇨🇦ARINassigned
Announced Prefixes (BGP)
2total
2 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)7,168
Announced (BGP)512
IPv6 Addresses
Allocated (RIR)3×10²⁶
Announced (BGP)0
Routing hygiene
Score 40/100 · Medium riskRPKI ROA coverage
0%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
1
diversity 0/100
- 100% of announced prefixes (2 of 2) have no valid ROA
- Only one upstream seen in the AS paths of its routes
Based on 2 announced prefixes, updated daily (2026-10-12). How the score works · RPKI explained
Announced Prefixes
(BGP)2|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | ARIN | 2026-10-12 | |
| No ROA | ARIN | 2026-10-12 |
Allocated Prefixes
(RIR)7Prefix | Country | RIR | Status |
|---|---|---|---|
| 199.71.32.0/20 | 🇨🇦 CA | ARIN | allocated |
| 199.71.48.0/22 | 🇨🇦 CA | ARIN | allocated |
| 204.187.148.0/22 | 🇨🇦 CA | ARIN | allocated |
| 204.187.152.0/23 | 🇨🇦 CA | ARIN | allocated |
| 204.187.154.0/24 | 🇨🇦 CA | ARIN | allocated |
| 205.210.170.0/24 | 🇨🇦 CA | ARIN | allocated |
| 2620:116:d000::/40 | 🇨🇦 CA | ARIN | allocated |
All 2 announced prefixes of AS18588 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS18588 hands its own prefixes to: transit providers, or peers at an exchange.
- AS19122EStruxture Data Centers2
ASPA
No ASPA
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS18588 should publish an ASPA object
- IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/18588Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/18588" | jq