167.103.250.0/23 - ZSCALER (AS53813)
CIDR
167.103.250.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇦🇺 Australia
City
Sydney
RIR
APNIC
Status
assigned
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 167.103.250.0/23 | AS53813 ZSCALER-INC - ZSCALER, INC. | Valid | Other IRR | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 167.103.250.0/23 | AS53813 | /24 | apnic |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS53813 | Other IRR | MAINT-AS53444 | 2025-08-29 |
Transfer History
Registry transfers of 167.103.250.0/23, blocks inside it, or blocks containing it.
- 167.103.0.0/16Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 167.103.0.0/16 | Transfer |
Origin ASN
AS53813
ZSCALER-INC - ZSCALER, INC.
Related Prefixes
Geolocation
Country🇦🇺AustraliaAU
CitySydney
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 APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/167.103.250.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/167.103.250.0/23" | jq
External Links