192.19.136.0/21 - Avago Technologies U.S (AS19637)
CIDR
192.19.136.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇸🇬 Singapore
City
Singapore
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 192.19.136.0/21 | AS19637 AVG19637 - Avago Technologies U.S. Inc. | No ROA | ARIN | 2026-10-11 |
More-Specific Announcements
6 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 192.19.136.0/23 | AS19637 AVG19637 - Avago Technologies U.S. Inc. | Valid | - | 2026-10-11 |
| 192.19.138.0/23 | AS19637 AVG19637 - Avago Technologies U.S. Inc. | No ROA | - | 2026-10-11 |
| 192.19.140.0/24 | AS19637 AVG19637 - Avago Technologies U.S. Inc. | No ROA | - | 2026-10-11 |
| 192.19.141.0/24 | AS19637 AVG19637 - Avago Technologies U.S. Inc. | No ROA | - | 2026-10-11 |
| 192.19.142.0/24 | AS19637 AVG19637 - Avago Technologies U.S. Inc. | No ROA | - | 2026-10-11 |
| 192.19.143.0/24 | AS19637 AVG19637 - Avago Technologies U.S. Inc. | No ROA | - | 2026-10-11 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS19637 | ARIN | MNT-ATU-3 | - |
Related Prefixes
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/192.19.136.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/192.19.136.0/21" | jq
External Links