209.235.128.0/19 - BGP Prefix
IPv4ARINallocatedNo ROA
CIDR
209.235.128.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇨🇦 Canada
City
Waterloo
RIR
ARIN
Status
allocated
Allocated
2006-09-28
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
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| 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. | ||||
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.235.128.0/20 | AS14116 INFB-AS - Internet Names For Business Inc. | No ROA | - | 2026-10-13 |
| 209.235.144.0/20 | AS30447 INFB2-AS - Internet Names For Business Inc. | No ROA | - | 2026-10-13 |
Transfer History
Registry transfers of 209.235.128.0/19, blocks inside it, or blocks containing it.
- 209.235.128.0/19M&A ·
Geolocation
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/209.235.128.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.235.128.0/19" | jq
External Links