192.56.16.0/21 - BGP Prefix
IPv4not announcedNo ROA
CIDR
192.56.16.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
New York
Status
not announced
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns →
| 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
4 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 192.56.16.0/24 | AS2688 ATGS-MMD-AS - AT&T Enterprises, LLC | No ROA | - | 2026-10-12 |
| 192.56.17.0/24 | AS71 HPINC-AMERICAS - HP Inc. | No ROA | - | 2026-10-12 |
| 192.56.21.0/24 | AS2110 AS-BTIRE Enet Communications LIMITED | Valid | - | 2026-10-12 |
| 192.56.21.0/24 | AS5466 EIRCOM Eircom Limited | Invalid | - | 2026-10-12 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 192.56.16.0/22 | AS3360 | 🇺🇸US | allocated |
| 192.56.20.0/24 | 🇺🇸US | allocated | |
| 192.56.21.0/24 | AS3360 | 🇺🇸US | allocated |
| 192.56.22.0/24 | 🇺🇸US | allocated | |
| 192.56.23.0/24 | AS3360 | 🇺🇸US | allocated |
Transfer History
Registry transfers of 192.56.16.0/21, blocks inside it, or blocks containing it.
- 192.56.23.0/24M&A ·
- 192.56.21.0/24M&A ·
- 192.56.16.0/22M&A ·
- 192.56.16.0/21M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 192.56.23.0/24 | M&A | |||
| 192.56.21.0/24 | M&A | |||
| 192.56.16.0/22 | M&A | |||
| 192.56.16.0/21 | M&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 transfer marketTransfers published by all five RIRs
API
Open https://api.ipctl.io/v1/prefix/192.56.16.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/192.56.16.0/21" | jq
External Links