217.205.128.0/22 - GTT BACKBONE GTT Communications (AS3257)
CIDR
217.205.128.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇩🇪 Germany
City
Düsseldorf
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 |
|---|---|---|---|---|
| 217.205.128.0/22 | AS3257 GTT-BACKBONE GTT Communications Inc. | No ROA | - | 2026-10-14 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 217.204.0.0/14 | AS3257 GTT-BACKBONE GTT Communications Inc. | No ROA | - | 2026-10-14 |
Transfer History
Registry transfers of 217.205.128.0/22, blocks inside it, or blocks containing it.
- 217.204.0.0/14M&A ·
- 217.204.0.0/14M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 217.204.0.0/14 | INTEROUTE NETWORKS LIMITED | GTT - EMEA Ltd. | M&A | |
| 217.204.0.0/14 | Interoute Managed Services UK Limited | INTEROUTE NETWORKS LIMITED | M&A |
Related Prefixes
More prefixes of AS3257
All prefixes of AS3257 →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/217.205.128.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/217.205.128.0/22" | jq
External Links