AS27665 AS27665 - Columbus Communications Trinidad Limited.
🇹🇹Org handle: 21475
LACNICallocated
Announced Prefixes (BGP)
79total
40 IPv439 IPv6
IPv4 Addresses
Allocated (RIR)9,216
Announced (BGP)148,736
IPv6 Addresses
Allocated (RIR)1.2×10³⁰
Announced (BGP)1.5×10³⁰
Routing hygiene
Score 25/100 · Medium riskRPKI ROA coverage
49.4%
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
- 51% of announced prefixes (40 of 79) have no valid ROA
- Only one upstream seen in the AS paths of its routes
Based on 79 announced prefixes, updated daily (2026-10-25). How the score works · RPKI explained
Listed on the threat map (2026-10-25)
Large hosting providers appear because attackers rent their servers, not necessarily because of the operator.
Announced Prefixes
(BGP)79|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | Other IRR | - | |
| Valid | Other IRR | - | |
| Valid | Other IRR | - | |
| Valid | Other IRR | - | |
| Valid | Other IRR | - | |
| No ROA | Other IRR | - | |
| Valid | Other IRR | - | |
| Valid | Other IRR | - | |
| Valid | Other IRR | - | |
| Valid | Other IRR | - |
1-10 of 79
1 / 8
Allocated Prefixes
(RIR)6Prefix | Country | RIR | Status |
|---|---|---|---|
| 131.100.160.0/22 | 🇹🇹 TT | LACNIC | allocated |
| 138.59.24.0/22 | 🇹🇹 TT | LACNIC | allocated |
| 143.0.172.0/22 | 🇹🇹 TT | LACNIC | allocated |
| 190.6.224.0/20 | 🇹🇹 TT | LACNIC | allocated |
| 200.1.104.0/21 | 🇹🇹 TT | LACNIC | allocated |
| 2800:e00::/28 | 🇹🇹 TT | LACNIC | allocated |
All 79 announced prefixes of AS27665 →
Downstream Customers(1)
| ASN | Name |
|---|---|
| AS14789 | 🇺🇸CLOUDFLARENET - Cloudflare, Inc. |
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS27665 hands its own prefixes to: transit providers, or peers at an exchange.
- AS23520Columbus Networks USA79
Downstreams (8)
Networks whose own prefixes AS27665 passes on: usually its customers.
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
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the LACNIC 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/27665Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/27665" | jq