AS42427 MIMECAST-UK Mimecast Services Limited
🇬🇧Org handle: ORG-MSL21-RIPE
RIPE NCCallocated
Announced Prefixes (BGP)
17total
15 IPv42 IPv6
IPv4 Addresses
Allocated (RIR)2,048
Announced (BGP)3,840
IPv6 Addresses
Allocated (RIR)2.4×10²⁴
Announced (BGP)2.4×10²⁴
Announced Prefixes
(BGP)17|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
41.74.203.0/24MOAS | No ROA | Other IRR | 2026-10-11 |
| Valid | Other IRRRIPE | 2026-10-11 | |
170.10.142.0/24MOAS | Valid | Other IRR | 2026-10-11 |
| Valid | Other IRRRIPE | 2026-10-11 | |
| Valid | Other IRRRIPE | 2026-10-11 | |
| Valid | Other IRRRIPE | 2026-10-11 | |
| Valid | Other IRRRIPE | 2026-10-11 | |
| Valid | Other IRRRIPE | 2026-10-11 | |
| Valid | Other IRRRIPE | 2026-10-11 | |
| Valid | Other IRRRIPE | 2026-10-11 |
1-10 of 17
1 / 2
Allocated Prefixes
(RIR)10Prefix | Country | RIR | Status |
|---|---|---|---|
| 91.220.42.0/24 | 🇬🇧 GB | RIPENCC | assigned |
| 185.58.84.0/24 | 🇬🇧 GB | RIPE | assigned |
| 185.58.85.0/24 | 🇬🇧 GB | RIPE | assigned |
| 185.58.86.0/24 | 🇬🇧 GB | RIPE | assigned |
| 185.58.87.0/24 | 🇬🇧 GB | RIPE | assigned |
| 193.7.204.0/24 | 🇬🇧 GB | RIPE | assigned |
| 193.7.205.0/24 | 🇬🇧 GB | RIPE | assigned |
| 195.130.217.0/24 | 🇬🇧 GB | RIPENCC | assigned |
| 2a02:5be0::/48 | 🇬🇧 GB | RIPE | assigned |
| 2a02:5be0:1::/48 | 🇬🇧 GB | RIPE | assigned |
ASPA
No ASPA
Abuse Contact
+31205354444
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 AS42427 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/42427Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/42427" | jq