165.236.176.0/21 - Level 3 Parent (AS3356)
CIDR
165.236.176.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Monroe
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 |
|---|---|---|---|---|
| 165.236.176.0/21 | AS3356 LEVEL3 - Level 3 Parent, LLC | No ROA | - | 2026-10-12 |
Transfer History
Registry transfers of 165.236.176.0/21, blocks inside it, or blocks containing it.
- 165.236.0.0/16M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 165.236.0.0/16 | M&A |
Origin ASN
AS3356
LEVEL3 - Level 3 Parent, LLC
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/165.236.176.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/165.236.176.0/21" | jq
External Links