AS13037 ZEN-AS Zen Internet Ltd
🇬🇧Org handle: ORG-ZIL1-RIPE
Zen Internet - UK
RIPE NCCallocated
Announced Prefixes (BGP)
38total
37 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)577,024
Announced (BGP)527,616
IPv6 Addresses
Allocated (RIR)6.3×10²⁹
Announced (BGP)6.3×10²⁹
Prefix Limit (IPv4)
1,000
Prefix Limit (IPv6)
5
Country
🇬🇧 GBRIR
RIPE NCCStatus
allocated
Allocated
2000-02-25
Announced Prefixes
(BGP)38|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 |
1-10 of 38
1 / 4
Allocated Prefixes
(RIR)32Prefix | Country | RIR | Status |
|---|---|---|---|
| 51.148.0.0/16 | 🇬🇧 GB | RIPENCC | assigned |
| 51.155.0.0/16 | 🇬🇧 GB | RIPENCC | assigned |
| 62.3.64.0/18 | 🇬🇧 GB | RIPENCC | allocated |
| 77.104.128.0/18 | 🇬🇧 GB | RIPENCC | allocated |
| 82.68.0.0/15 | 🇬🇧 GB | RIPENCC | allocated |
| 82.71.0.0/16 | 🇬🇧 GB | RIPENCC | allocated |
| 88.97.0.0/16 | 🇬🇧 GB | RIPENCC | allocated |
| 88.97.0.0/18 | 🇬🇧 GB | RIPE | assigned |
| 88.97.88.0/22 | 🇬🇧 GB | RIPE | assigned |
| 88.98.0.0/20 | 🇬🇧 GB | RIPENCC | allocated |
1-10 of 32
1 / 4
All 38 announced prefixes of AS13037 →
BGP Neighbours
(seen in AS paths)Upstreams (2)
Networks AS13037 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (2)
Networks whose own prefixes AS13037 passes on: usually its customers.
Other adjacent networks (1)
Adjacent to AS13037 in the transit part of AS paths: peers, providers or customers.
- AS6461Zayo Bandwidth3
ASPA
No ASPA
Abuse Contact
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 AS13037 should publish an ASPA object
- IPv4 transfers in the RIPE NCC 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/13037Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/13037" | jq