185.4.166.0/24 - GTT BACKBONE GTT Communications (AS3257)
CIDR
185.4.166.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇬🇧 United Kingdom
City
Hoddesdon
RIR
RIPE NCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 185.4.166.0/24 | AS3257 GTT-BACKBONE GTT Communications Inc. | No ROA | - | 2026-10-13 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 185.4.164.0/22 | AS3257 GTT-BACKBONE GTT Communications Inc. | No ROA | - | 2026-10-13 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 185.4.166.0/26 | 🇬🇧GB | assigned | |
| 185.4.166.128/26 | 🇬🇧GB | assigned |
Transfer History
Registry transfers of 185.4.166.0/24, blocks inside it, or blocks containing it.
- 185.4.164.0/22M&A ·
- 185.4.164.0/22M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 185.4.164.0/22 | INTEROUTE NETWORKS LIMITED | GTT - EMEA Ltd. | M&A | |
| 185.4.164.0/22 | Interoute Vtesse 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 transfers in the RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/185.4.166.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/185.4.166.0/24" | jq
External Links