205.220.16.0/23 - ZSCALER (AS53813)
CIDR
205.220.16.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇮🇳 India
City
Kolkata
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 205.220.16.0/23 | AS53813 ZSCALER-INC - ZSCALER, INC. | Valid | Other IRR | 2026-10-11 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 205.220.0.0/17 | AS22616 ZSCALER-SJC1 - ZSCALER, INC. | No ROA | - | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 205.220.16.0/23 | AS53813 | /24 | arin |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS53813 | Other IRR | MAINT-AS53444 | 2025-08-05 |
Transfer History
Registry transfers of 205.220.16.0/23, blocks inside it, or blocks containing it.
- 205.220.0.0/17Transfer ·
- 205.220.0.0/17M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 205.220.0.0/17 | Transfer | |||
| 205.220.0.0/17 | M&A |
Origin ASN
AS53813
ZSCALER-INC - ZSCALER, INC.
Related Prefixes
Geolocation
Country🇮🇳IndiaIN
CityKolkata
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 ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/205.220.16.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/205.220.16.0/23" | jq
External Links