79.121.200.0/21 - GTT BACKBONE GTT Communications (AS3257)
CIDR
79.121.200.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
New York
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 79.121.200.0/21 | AS3257 GTT-BACKBONE GTT Communications Inc. | Valid | RIPE | 2026-10-12 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 79.121.128.0/17 | AS3257 GTT-BACKBONE GTT Communications Inc. | No ROA | - | 2026-10-12 |
RPKI ROAs
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS3257 | RIPE | AS3257-IPAM-MNT | 2026-03-27 |
Transfer History
Registry transfers of 79.121.200.0/21, blocks inside it, or blocks containing it.
- 79.121.128.0/17M&A ·
- 79.121.128.0/17M&A ·
- 79.121.128.0/17M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 79.121.128.0/17 | INTEROUTE NETWORKS LIMITED | GTT - EMEA Ltd. | M&A | |
| 79.121.128.0/17 | Interoute Managed Services UK Limited | INTEROUTE NETWORKS LIMITED | M&A | |
| 79.121.128.0/17 | EASYNET CHANNEL PARTNERS LIMITED | Interoute Managed Services UK Limited | M&A |
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/79.121.200.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/79.121.200.0/21" | jq
External Links