89.18.88.0/21 - BGP Prefix
IPv4RIPE NCCallocatedNo ROA
CIDR
89.18.88.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇬🇧 United Kingdom
City
Manchester
RIR
RIPE NCC
Status
allocated
Allocated
2006-08-10
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
Related Announcements
1 less-specific, 4 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 89.18.64.0/19 | AS49406 FWI Fast Wireless Internet Ltd | No ROA | - | 2026-10-12 |
| 89.18.88.0/24 | AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH | Valid | - | 2026-10-12 |
| 89.18.89.0/24 | AS22616 ZSCALER-SJC1 - ZSCALER, INC. | Valid | - | 2026-10-12 |
| 89.18.90.0/24 | AS22616 ZSCALER-SJC1 - ZSCALER, INC. | Valid | - | 2026-10-12 |
| 89.18.91.0/24 | AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH | Valid | - | 2026-10-12 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 89.18.88.0/24 | AS62044 | 🇬🇧GB | assigned |
| 89.18.89.0/24 | AS22616 | 🇺🇸US | assigned |
| 89.18.90.0/24 | AS22616 | 🇨🇦CA | assigned |
| 89.18.91.0/24 | AS62044 | 🇮🇪IE | assigned |
Transfer History
Registry transfers of 89.18.88.0/21, blocks inside it, or blocks containing it.
- 89.18.88.0/21Transfer ·
Related Prefixes
Geolocation
Country🇬🇧United KingdomGB
CityManchester
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/89.18.88.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/89.18.88.0/21" | jq
External Links