161.129.64.0/21 - Interserver (AS19318)
CIDR
161.129.64.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Englewood Cliffs
RIR
ARIN
Status
allocated
Allocated
2024-09-09
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 161.129.64.0/21 | AS19318 IS-AS-1 - Interserver, Inc | Valid | ARINOther IRR | 2026-10-11 |
More-Specific Announcements
4 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 161.129.64.0/24 | AS19318 IS-AS-1 - Interserver, Inc | Valid | - | 2026-10-11 |
| 161.129.65.0/24 | AS19318 IS-AS-1 - Interserver, Inc | Valid | - | 2026-10-11 |
| 161.129.66.0/24 | AS19318 IS-AS-1 - Interserver, Inc | Valid | - | 2026-10-11 |
| 161.129.67.0/24 | AS19318 IS-AS-1 - Interserver, Inc | Valid | - | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 161.129.64.0/21 | AS19318 | /24 | arin |
Transfer History
Registry transfers of 161.129.64.0/21, blocks inside it, or blocks containing it.
- 161.129.64.0/21Transfer ·
- 161.129.64.0/21M&A ·
- 161.129.64.0/21M&A ·
Origin ASN
AS19318
IS-AS-1 - Interserver, Inc
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/161.129.64.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/161.129.64.0/21" | jq
External Links