217.28.164.0/22 - TDC Holding A/S (AS3292)
CIDR
217.28.164.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇩🇰 Denmark
City
Viby J
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 217.28.164.0/22 | AS3292 TDC TDC Holding A/S | Valid | RIPE | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 217.28.164.0/22 | AS3292 | /22 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS3292 | RIPE | STIBO | 2019-03-27 |
Transfer History
Registry transfers of 217.28.164.0/22, blocks inside it, or blocks containing it.
- 217.28.160.0/20M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 217.28.160.0/20 | Aarhuus Stiftsbogtrykkerie A/S | Stibo A/S | M&A |
Origin ASN
AS3292
TDC TDC Holding A/S
Related Prefixes
Geolocation
Abuse Contact
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/217.28.164.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/217.28.164.0/22" | jq
External Links