178.22.136.0/21
🇬🇧CIDR
178.22.136.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇬🇧 United Kingdom
City
Hambrook
RIR
RIPENCC
Status
allocated
Allocated
4/9/2010
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 178.22.136.0/21 | AS42353SIMWOOD Simwood eSMS Limited | Valid | RIPE | 5/30/2026 |
Covering Prefix
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 178.22.136.0/23 | AS42353SIMWOOD Simwood eSMS Limited | Valid | — | 5/30/2026 |
| 178.22.140.0/23 | AS42353SIMWOOD Simwood eSMS Limited | Valid | — | 5/30/2026 |
| 178.22.137.0/24 | AS42353SIMWOOD Simwood eSMS Limited | Valid | — | 5/30/2026 |
| 178.22.139.0/24 | AS42353SIMWOOD Simwood eSMS Limited | Valid | — | 5/30/2026 |
| 178.22.136.0/24 | AS42353SIMWOOD Simwood eSMS Limited | Valid | — | 5/30/2026 |
| 178.22.140.0/24 | AS42353SIMWOOD Simwood eSMS Limited | Valid | — | 5/30/2026 |
| 178.22.141.0/24 | AS42353SIMWOOD Simwood eSMS Limited | Valid | — | 5/30/2026 |
| 178.22.142.0/24 | AS42353SIMWOOD Simwood eSMS Limited | Valid | — | 5/30/2026 |
| 178.22.143.0/24 | AS42353SIMWOOD Simwood eSMS Limited | Valid | — | 5/30/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 178.22.136.0/21 | AS42353 | /21 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS42353 | RIPE | SIMWOOD-MNT | 9/20/2012 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 178.22.136.0/24 | AS42353 | 🇬🇧GB | assigned |
| 178.22.143.0/24 | AS42353 | 🇬🇧GB | assigned |
| 178.22.137.0/27 | 🇬🇧GB | assigned | |
| 178.22.139.0/27 | 🇬🇧GB | assigned | |
| 178.22.142.0/27 | 🇬🇧GB | assigned | |
| 178.22.142.80/28 | 🇬🇧GB | assigned | |
| 178.22.142.48/28 | 🇬🇧GB | assigned | |
| 178.22.141.0/28 | 🇬🇧GB | assigned | |
| 178.22.137.64/28 | 🇬🇧GB | assigned | |
| 178.22.142.32/28 | 🇬🇧GB | assigned | |
| 178.22.142.128/28 | 🇬🇧GB | assigned | |
| 178.22.137.48/28 | 🇬🇧GB | assigned | |
| 178.22.137.40/29 | 🇬🇧GB | assigned | |
| 178.22.142.144/29 | 🇬🇧GB | assigned | |
| 178.22.141.40/30 | 🇬🇧GB | assigned | |
| 178.22.142.152/30 | 🇬🇧GB | assigned | |
| 178.22.142.156/31 | 🇬🇧GB | assigned | |
| 178.22.137.32/31 | 🇬🇧GB | assigned | |
| 178.22.141.44/31 | 🇬🇧GB | assigned | |
| 178.22.142.158/32 | 🇬🇧GB | assigned | |
| 178.22.141.46/32 | 🇬🇧GB | assigned | |
| 178.22.137.34/32 | 🇬🇧GB | assigned |
Origin ASN
AS42353
SIMWOOD Simwood eSMS Limited
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/178.22.136.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/178.22.136.0/21" | jq
External Links