AS239 UTORONTO-AS - University of Toronto
🇨🇦ARINassigned
Announced Prefixes (BGP)
18total
15 IPv43 IPv6
IPv4 Addresses
Allocated (RIR)402,944
Announced (BGP)527,872
IPv6 Addresses
Allocated (RIR)2×10³¹
Announced (BGP)2×10³¹
Announced Prefixes
(BGP)18|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | - | 2026-10-11 |
1-10 of 18
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Allocated Prefixes
(RIR)27Prefix | Country | RIR | Status |
|---|---|---|---|
| 128.100.0.0/16 | 🇨🇦 CA | ARIN | allocated |
| 138.51.0.0/16 | 🇨🇦 CA | ARIN | allocated |
| 142.1.0.0/16 | 🇨🇦 CA | ARIN | allocated |
| 142.150.0.0/16 | 🇨🇦 CA | ARIN | allocated |
| 142.151.0.0/16 | 🇨🇦 CA | ARIN | allocated |
| 142.253.0.0/16 | 🇨🇦 CA | ARIN | allocated |
| 192.12.174.0/23 | 🇨🇦 CA | ARIN | allocated |
| 192.12.176.0/21 | 🇨🇦 CA | ARIN | allocated |
| 192.55.194.0/24 | 🇨🇦 CA | ARIN | allocated |
| 192.75.177.0/24 | 🇨🇦 CA | ARIN | allocated |
1-10 of 27
1 / 3
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 AS239 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/239Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/239" | jq